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Add svn:eol-style property to source files, so that the line endings are correctly converted to the target system's native end of line style.

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Dean Camera 2010-05-08 03:12:14 +00:00
parent e331b531c6
commit 071e02c6b6
839 changed files with 274562 additions and 274562 deletions
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528
Projects/Webserver/Lib/DHCPClientApp.c
View file

@ -1,264 +1,264 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
#if defined(ENABLE_DHCP_CLIENT) || defined(__DOXYGEN__)
/** \file
*
* DHCP Client Application. When connected to the uIP stack, this will retrieve IP configuration settings from the
* DHCP server on the network.
*/
#define INCLUDE_FROM_DHCPCLIENTAPP_C
#include "DHCPClientApp.h"
/** Initialization function for the DHCP client. */
void DHCPClientApp_Init(void)
{
/* Create a new UDP connection to the DHCP server port for the DHCP solicitation */
struct uip_udp_conn* Connection = uip_udp_new(&uip_broadcast_addr, HTONS(DHCPC_SERVER_PORT));
/* If the connection was successfully created, bind it to the local DHCP client port */
if (Connection != NULL)
{
uip_udp_appstate_t* const AppState = &Connection->appstate;
uip_udp_bind(Connection, HTONS(DHCPC_CLIENT_PORT));
/* Set the initial client state */
AppState->DHCPClient.CurrentState = DHCP_STATE_SendDiscover;
/* Set timeout period to half a second for a DHCP server to respond */
timer_set(&AppState->DHCPClient.Timeout, CLOCK_SECOND / 2);
}
}
/** uIP stack application callback for the DHCP client. This function must be called each time the TCP/IP stack
* needs a UDP packet to be processed.
*/
void DHCPClientApp_Callback(void)
{
uip_udp_appstate_t* const AppState = &uip_udp_conn->appstate;
DHCP_Header_t* const AppData = (DHCP_Header_t*)uip_appdata;
uint16_t AppDataSize = 0;
switch (AppState->DHCPClient.CurrentState)
{
case DHCP_STATE_SendDiscover:
/* Clear all DHCP settings, reset client IP address */
memset(&AppState->DHCPClient.DHCPOffer_Data, 0x00, sizeof(AppState->DHCPClient.DHCPOffer_Data));
uip_sethostaddr((uip_ipaddr_t*)&AppState->DHCPClient.DHCPOffer_Data.AllocatedIP);
/* Fill out the DHCP response header */
AppDataSize += DHCPClientApp_FillDHCPHeader(AppData, DHCP_DISCOVER, AppState);
/* Add the required DHCP options list to the packet */
uint8_t RequiredOptionList[] = {DHCP_OPTION_SUBNET_MASK, DHCP_OPTION_ROUTER, DHCP_OPTION_DNS_SERVER};
AppDataSize += DHCPClientApp_SetOption(AppData->Options, DHCP_OPTION_REQ_LIST, sizeof(RequiredOptionList),
RequiredOptionList);
/* Send the DHCP DISCOVER packet */
uip_udp_send(AppDataSize);
/* Reset the timeout timer, progress to next state */
timer_reset(&AppState->DHCPClient.Timeout);
AppState->DHCPClient.CurrentState = DHCP_STATE_WaitForOffer;
break;
case DHCP_STATE_WaitForOffer:
if (!(uip_newdata()))
{
/* Check if the DHCP timeout period has expired while waiting for a response */
if (timer_expired(&AppState->DHCPClient.Timeout))
AppState->DHCPClient.CurrentState = DHCP_STATE_SendDiscover;
break;
}
uint8_t OfferResponse_MessageType;
if ((AppData->TransactionID == DHCP_TRANSACTION_ID) &&
DHCPClientApp_GetOption(AppData->Options, DHCP_OPTION_MSG_TYPE, &OfferResponse_MessageType) &&
(OfferResponse_MessageType == DHCP_OFFER))
{
/* Received a DHCP offer for an IP address, copy over values for later request */
memcpy(&AppState->DHCPClient.DHCPOffer_Data.AllocatedIP, &AppData->YourIP, sizeof(uip_ipaddr_t));
DHCPClientApp_GetOption(AppData->Options, DHCP_OPTION_SUBNET_MASK, &AppState->DHCPClient.DHCPOffer_Data.Netmask);
DHCPClientApp_GetOption(AppData->Options, DHCP_OPTION_ROUTER, &AppState->DHCPClient.DHCPOffer_Data.GatewayIP);
DHCPClientApp_GetOption(AppData->Options, DHCP_OPTION_SERVER_ID, &AppState->DHCPClient.DHCPOffer_Data.ServerIP);
timer_reset(&AppState->DHCPClient.Timeout);
AppState->DHCPClient.CurrentState = DHCP_STATE_SendRequest;
}
break;
case DHCP_STATE_SendRequest:
/* Fill out the DHCP response header */
AppDataSize += DHCPClientApp_FillDHCPHeader(AppData, DHCP_REQUEST, AppState);
/* Add the DHCP REQUESTED IP ADDRESS option to the packet */
AppDataSize += DHCPClientApp_SetOption(AppData->Options, DHCP_OPTION_REQ_IPADDR, sizeof(uip_ipaddr_t),
&AppState->DHCPClient.DHCPOffer_Data.AllocatedIP);
/* Add the DHCP SERVER IP ADDRESS option to the packet */
AppDataSize += DHCPClientApp_SetOption(AppData->Options, DHCP_OPTION_SERVER_ID, sizeof(uip_ipaddr_t),
&AppState->DHCPClient.DHCPOffer_Data.ServerIP);
/* Send the DHCP REQUEST packet */
uip_udp_send(AppDataSize);
/* Reset the timeout timer, progress to next state */
timer_reset(&AppState->DHCPClient.Timeout);
AppState->DHCPClient.CurrentState = DHCP_STATE_WaitForACK;
break;
case DHCP_STATE_WaitForACK:
if (!(uip_newdata()))
{
/* Check if the DHCP timeout period has expired while waiting for a response */
if (timer_expired(&AppState->DHCPClient.Timeout))
AppState->DHCPClient.CurrentState = DHCP_STATE_SendDiscover;
break;
}
uint8_t RequestResponse_MessageType;
if ((AppData->TransactionID == DHCP_TRANSACTION_ID) &&
DHCPClientApp_GetOption(AppData->Options, DHCP_OPTION_MSG_TYPE, &RequestResponse_MessageType) &&
(RequestResponse_MessageType == DHCP_ACK))
{
/* Set the new network parameters from the DHCP server */
uip_sethostaddr((uip_ipaddr_t*)&AppState->DHCPClient.DHCPOffer_Data.AllocatedIP);
uip_setnetmask((uip_ipaddr_t*)&AppState->DHCPClient.DHCPOffer_Data.Netmask);
uip_setdraddr((uip_ipaddr_t*)&AppState->DHCPClient.DHCPOffer_Data.GatewayIP);
/* Indicate to the user that we now have a valid IP configuration */
HaveIPConfiguration = true;
AppState->DHCPClient.CurrentState = DHCP_STATE_AddressLeased;
}
break;
}
}
/** Fills the DHCP packet response with the appropriate BOOTP header for DHCP. This fills out all the required
* fields, leaving only the additional DHCP options to be added to the packet before it is sent to the DHCP server.
*
* \param[out] DHCPHeader Location in the packet buffer where the BOOTP header should be written to
* \param[in] DHCPMessageType DHCP Message type, such as DHCP_DISCOVER
* \param[in] AppState Application state of the current UDP connection
*
* \return Size in bytes of the created DHCP packet
*/
static uint16_t DHCPClientApp_FillDHCPHeader(DHCP_Header_t* const DHCPHeader, const uint8_t DHCPMessageType, uip_udp_appstate_t* AppState)
{
/* Erase existing packet data so that we start will all 0x00 DHCP header data */
memset(DHCPHeader, 0, sizeof(DHCP_Header_t));
/* Fill out the DHCP packet header */
DHCPHeader->Operation = DHCP_OP_BOOTREQUEST;
DHCPHeader->HardwareType = DHCP_HTYPE_ETHERNET;
DHCPHeader->HardwareAddressLength = sizeof(MACAddress);
DHCPHeader->Hops = 0;
DHCPHeader->TransactionID = DHCP_TRANSACTION_ID;
DHCPHeader->ElapsedSeconds = 0;
DHCPHeader->Flags = HTONS(BOOTP_BROADCAST);
memcpy(&DHCPHeader->ClientIP, &uip_hostaddr, sizeof(uip_ipaddr_t));
memcpy(&DHCPHeader->YourIP, &AppState->DHCPClient.DHCPOffer_Data.AllocatedIP, sizeof(uip_ipaddr_t));
memcpy(&DHCPHeader->NextServerIP, &AppState->DHCPClient.DHCPOffer_Data.ServerIP, sizeof(uip_ipaddr_t));
memcpy(&DHCPHeader->ClientHardwareAddress, &MACAddress, sizeof(struct uip_eth_addr));
DHCPHeader->Cookie = DHCP_MAGIC_COOKIE;
/* Add a DHCP message type and terminator options to the start of the DHCP options field */
DHCPHeader->Options[0] = DHCP_OPTION_MSG_TYPE;
DHCPHeader->Options[1] = 1;
DHCPHeader->Options[2] = DHCPMessageType;
DHCPHeader->Options[3] = DHCP_OPTION_END;
/* Calculate the total number of bytes added to the outgoing packet */
return (sizeof(DHCP_Header_t) + 4);
}
/** Sets the given DHCP option in the DHCP packet's option list. This automatically moves the
* end of options terminator past the new option in the options list.
*
* \param[in,out] DHCPOptionList Pointer to the start of the DHCP packet's options list
* \param[in] Option DHCP option to add to the list
* \param[in] DataLen Size in bytes of the option data to add
* \param[in] OptionData Buffer where the option's data is to be sourced from
*
* \return Number of bytes added to the DHCP packet
*/
static uint8_t DHCPClientApp_SetOption(uint8_t* DHCPOptionList, uint8_t Option, uint8_t DataLen, void* OptionData)
{
/* Skip through the DHCP options list until the terminator option is found */
while (*DHCPOptionList != DHCP_OPTION_END)
DHCPOptionList += (DHCPOptionList[1] + 2);
/* Overwrite the existing terminator with the new option, add a new terminator at the end of the list */
DHCPOptionList[0] = Option;
DHCPOptionList[1] = DataLen;
memcpy(&DHCPOptionList[2], OptionData, DataLen);
DHCPOptionList[2 + DataLen] = DHCP_OPTION_END;
/* Calculate the total number of bytes added to the outgoing packet */
return (2 + DataLen);
}
/** Retrieves the given option's data (if present) from the DHCP packet's options list.
*
* \param[in,out] DHCPOptionList Pointer to the start of the DHCP packet's options list
* \param[in] Option DHCP option to retrieve to the list
* \param[out] Destination Buffer where the option's data is to be written to if found
*
* \return Boolean true if the option was found in the DHCP packet's options list, false otherwise
*/
static bool DHCPClientApp_GetOption(const uint8_t* DHCPOptionList, const uint8_t Option, void* const Destination)
{
/* Look through the incoming DHCP packet's options list for the requested option */
while (*DHCPOptionList != DHCP_OPTION_END)
{
/* Check if the current DHCP option in the packet is the one requested */
if (DHCPOptionList[0] == Option)
{
/* Copy request option's data to the destination buffer */
memcpy(Destination, &DHCPOptionList[2], DHCPOptionList[1]);
/* Indicate that the requested option data was successfully retrieved */
return true;
}
/* Skip to next DHCP option in the options list */
DHCPOptionList += (DHCPOptionList[1] + 2);
}
/* Requested option not found in the incoming packet's DHCP options list */
return false;
}
#endif
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
#if defined(ENABLE_DHCP_CLIENT) || defined(__DOXYGEN__)
/** \file
*
* DHCP Client Application. When connected to the uIP stack, this will retrieve IP configuration settings from the
* DHCP server on the network.
*/
#define INCLUDE_FROM_DHCPCLIENTAPP_C
#include "DHCPClientApp.h"
/** Initialization function for the DHCP client. */
void DHCPClientApp_Init(void)
{
/* Create a new UDP connection to the DHCP server port for the DHCP solicitation */
struct uip_udp_conn* Connection = uip_udp_new(&uip_broadcast_addr, HTONS(DHCPC_SERVER_PORT));
/* If the connection was successfully created, bind it to the local DHCP client port */
if (Connection != NULL)
{
uip_udp_appstate_t* const AppState = &Connection->appstate;
uip_udp_bind(Connection, HTONS(DHCPC_CLIENT_PORT));
/* Set the initial client state */
AppState->DHCPClient.CurrentState = DHCP_STATE_SendDiscover;
/* Set timeout period to half a second for a DHCP server to respond */
timer_set(&AppState->DHCPClient.Timeout, CLOCK_SECOND / 2);
}
}
/** uIP stack application callback for the DHCP client. This function must be called each time the TCP/IP stack
* needs a UDP packet to be processed.
*/
void DHCPClientApp_Callback(void)
{
uip_udp_appstate_t* const AppState = &uip_udp_conn->appstate;
DHCP_Header_t* const AppData = (DHCP_Header_t*)uip_appdata;
uint16_t AppDataSize = 0;
switch (AppState->DHCPClient.CurrentState)
{
case DHCP_STATE_SendDiscover:
/* Clear all DHCP settings, reset client IP address */
memset(&AppState->DHCPClient.DHCPOffer_Data, 0x00, sizeof(AppState->DHCPClient.DHCPOffer_Data));
uip_sethostaddr((uip_ipaddr_t*)&AppState->DHCPClient.DHCPOffer_Data.AllocatedIP);
/* Fill out the DHCP response header */
AppDataSize += DHCPClientApp_FillDHCPHeader(AppData, DHCP_DISCOVER, AppState);
/* Add the required DHCP options list to the packet */
uint8_t RequiredOptionList[] = {DHCP_OPTION_SUBNET_MASK, DHCP_OPTION_ROUTER, DHCP_OPTION_DNS_SERVER};
AppDataSize += DHCPClientApp_SetOption(AppData->Options, DHCP_OPTION_REQ_LIST, sizeof(RequiredOptionList),
RequiredOptionList);
/* Send the DHCP DISCOVER packet */
uip_udp_send(AppDataSize);
/* Reset the timeout timer, progress to next state */
timer_reset(&AppState->DHCPClient.Timeout);
AppState->DHCPClient.CurrentState = DHCP_STATE_WaitForOffer;
break;
case DHCP_STATE_WaitForOffer:
if (!(uip_newdata()))
{
/* Check if the DHCP timeout period has expired while waiting for a response */
if (timer_expired(&AppState->DHCPClient.Timeout))
AppState->DHCPClient.CurrentState = DHCP_STATE_SendDiscover;
break;
}
uint8_t OfferResponse_MessageType;
if ((AppData->TransactionID == DHCP_TRANSACTION_ID) &&
DHCPClientApp_GetOption(AppData->Options, DHCP_OPTION_MSG_TYPE, &OfferResponse_MessageType) &&
(OfferResponse_MessageType == DHCP_OFFER))
{
/* Received a DHCP offer for an IP address, copy over values for later request */
memcpy(&AppState->DHCPClient.DHCPOffer_Data.AllocatedIP, &AppData->YourIP, sizeof(uip_ipaddr_t));
DHCPClientApp_GetOption(AppData->Options, DHCP_OPTION_SUBNET_MASK, &AppState->DHCPClient.DHCPOffer_Data.Netmask);
DHCPClientApp_GetOption(AppData->Options, DHCP_OPTION_ROUTER, &AppState->DHCPClient.DHCPOffer_Data.GatewayIP);
DHCPClientApp_GetOption(AppData->Options, DHCP_OPTION_SERVER_ID, &AppState->DHCPClient.DHCPOffer_Data.ServerIP);
timer_reset(&AppState->DHCPClient.Timeout);
AppState->DHCPClient.CurrentState = DHCP_STATE_SendRequest;
}
break;
case DHCP_STATE_SendRequest:
/* Fill out the DHCP response header */
AppDataSize += DHCPClientApp_FillDHCPHeader(AppData, DHCP_REQUEST, AppState);
/* Add the DHCP REQUESTED IP ADDRESS option to the packet */
AppDataSize += DHCPClientApp_SetOption(AppData->Options, DHCP_OPTION_REQ_IPADDR, sizeof(uip_ipaddr_t),
&AppState->DHCPClient.DHCPOffer_Data.AllocatedIP);
/* Add the DHCP SERVER IP ADDRESS option to the packet */
AppDataSize += DHCPClientApp_SetOption(AppData->Options, DHCP_OPTION_SERVER_ID, sizeof(uip_ipaddr_t),
&AppState->DHCPClient.DHCPOffer_Data.ServerIP);
/* Send the DHCP REQUEST packet */
uip_udp_send(AppDataSize);
/* Reset the timeout timer, progress to next state */
timer_reset(&AppState->DHCPClient.Timeout);
AppState->DHCPClient.CurrentState = DHCP_STATE_WaitForACK;
break;
case DHCP_STATE_WaitForACK:
if (!(uip_newdata()))
{
/* Check if the DHCP timeout period has expired while waiting for a response */
if (timer_expired(&AppState->DHCPClient.Timeout))
AppState->DHCPClient.CurrentState = DHCP_STATE_SendDiscover;
break;
}
uint8_t RequestResponse_MessageType;
if ((AppData->TransactionID == DHCP_TRANSACTION_ID) &&
DHCPClientApp_GetOption(AppData->Options, DHCP_OPTION_MSG_TYPE, &RequestResponse_MessageType) &&
(RequestResponse_MessageType == DHCP_ACK))
{
/* Set the new network parameters from the DHCP server */
uip_sethostaddr((uip_ipaddr_t*)&AppState->DHCPClient.DHCPOffer_Data.AllocatedIP);
uip_setnetmask((uip_ipaddr_t*)&AppState->DHCPClient.DHCPOffer_Data.Netmask);
uip_setdraddr((uip_ipaddr_t*)&AppState->DHCPClient.DHCPOffer_Data.GatewayIP);
/* Indicate to the user that we now have a valid IP configuration */
HaveIPConfiguration = true;
AppState->DHCPClient.CurrentState = DHCP_STATE_AddressLeased;
}
break;
}
}
/** Fills the DHCP packet response with the appropriate BOOTP header for DHCP. This fills out all the required
* fields, leaving only the additional DHCP options to be added to the packet before it is sent to the DHCP server.
*
* \param[out] DHCPHeader Location in the packet buffer where the BOOTP header should be written to
* \param[in] DHCPMessageType DHCP Message type, such as DHCP_DISCOVER
* \param[in] AppState Application state of the current UDP connection
*
* \return Size in bytes of the created DHCP packet
*/
static uint16_t DHCPClientApp_FillDHCPHeader(DHCP_Header_t* const DHCPHeader, const uint8_t DHCPMessageType, uip_udp_appstate_t* AppState)
{
/* Erase existing packet data so that we start will all 0x00 DHCP header data */
memset(DHCPHeader, 0, sizeof(DHCP_Header_t));
/* Fill out the DHCP packet header */
DHCPHeader->Operation = DHCP_OP_BOOTREQUEST;
DHCPHeader->HardwareType = DHCP_HTYPE_ETHERNET;
DHCPHeader->HardwareAddressLength = sizeof(MACAddress);
DHCPHeader->Hops = 0;
DHCPHeader->TransactionID = DHCP_TRANSACTION_ID;
DHCPHeader->ElapsedSeconds = 0;
DHCPHeader->Flags = HTONS(BOOTP_BROADCAST);
memcpy(&DHCPHeader->ClientIP, &uip_hostaddr, sizeof(uip_ipaddr_t));
memcpy(&DHCPHeader->YourIP, &AppState->DHCPClient.DHCPOffer_Data.AllocatedIP, sizeof(uip_ipaddr_t));
memcpy(&DHCPHeader->NextServerIP, &AppState->DHCPClient.DHCPOffer_Data.ServerIP, sizeof(uip_ipaddr_t));
memcpy(&DHCPHeader->ClientHardwareAddress, &MACAddress, sizeof(struct uip_eth_addr));
DHCPHeader->Cookie = DHCP_MAGIC_COOKIE;
/* Add a DHCP message type and terminator options to the start of the DHCP options field */
DHCPHeader->Options[0] = DHCP_OPTION_MSG_TYPE;
DHCPHeader->Options[1] = 1;
DHCPHeader->Options[2] = DHCPMessageType;
DHCPHeader->Options[3] = DHCP_OPTION_END;
/* Calculate the total number of bytes added to the outgoing packet */
return (sizeof(DHCP_Header_t) + 4);
}
/** Sets the given DHCP option in the DHCP packet's option list. This automatically moves the
* end of options terminator past the new option in the options list.
*
* \param[in,out] DHCPOptionList Pointer to the start of the DHCP packet's options list
* \param[in] Option DHCP option to add to the list
* \param[in] DataLen Size in bytes of the option data to add
* \param[in] OptionData Buffer where the option's data is to be sourced from
*
* \return Number of bytes added to the DHCP packet
*/
static uint8_t DHCPClientApp_SetOption(uint8_t* DHCPOptionList, uint8_t Option, uint8_t DataLen, void* OptionData)
{
/* Skip through the DHCP options list until the terminator option is found */
while (*DHCPOptionList != DHCP_OPTION_END)
DHCPOptionList += (DHCPOptionList[1] + 2);
/* Overwrite the existing terminator with the new option, add a new terminator at the end of the list */
DHCPOptionList[0] = Option;
DHCPOptionList[1] = DataLen;
memcpy(&DHCPOptionList[2], OptionData, DataLen);
DHCPOptionList[2 + DataLen] = DHCP_OPTION_END;
/* Calculate the total number of bytes added to the outgoing packet */
return (2 + DataLen);
}
/** Retrieves the given option's data (if present) from the DHCP packet's options list.
*
* \param[in,out] DHCPOptionList Pointer to the start of the DHCP packet's options list
* \param[in] Option DHCP option to retrieve to the list
* \param[out] Destination Buffer where the option's data is to be written to if found
*
* \return Boolean true if the option was found in the DHCP packet's options list, false otherwise
*/
static bool DHCPClientApp_GetOption(const uint8_t* DHCPOptionList, const uint8_t Option, void* const Destination)
{
/* Look through the incoming DHCP packet's options list for the requested option */
while (*DHCPOptionList != DHCP_OPTION_END)
{
/* Check if the current DHCP option in the packet is the one requested */
if (DHCPOptionList[0] == Option)
{
/* Copy request option's data to the destination buffer */
memcpy(Destination, &DHCPOptionList[2], DHCPOptionList[1]);
/* Indicate that the requested option data was successfully retrieved */
return true;
}
/* Skip to next DHCP option in the options list */
DHCPOptionList += (DHCPOptionList[1] + 2);
}
/* Requested option not found in the incoming packet's DHCP options list */
return false;
}
#endif

338
Projects/Webserver/Lib/DHCPClientApp.h
View file

@ -1,169 +1,169 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* Header file for DHCPClientApp.c.
*/
#ifndef _DHCPCLIENT_APP_H_
#define _DHCPCLIENT_APP_H_
/* Includes: */
#include <stdio.h>
#include <uip.h>
#include "../Webserver.h"
/* Macros: */
/** UDP listen port for a BOOTP server */
#define DHCPC_SERVER_PORT 67
/** UDP listen port for a BOOTP client */
#define DHCPC_CLIENT_PORT 68
/** BOOTP message type for a BOOTP REQUEST message */
#define DHCP_OP_BOOTREQUEST 0x01
/** BOOTP message type for a BOOTP REPLY message */
#define DHCP_OP_BOOTREPLY 0x02
/** BOOTP flag for a BOOTP broadcast message */
#define BOOTP_BROADCAST 0x8000
/** Magic DHCP cookie for a BOOTP message to identify it as a DHCP message */
#define DHCP_MAGIC_COOKIE 0x63538263
/** Unique transaction ID used to identify DHCP responses to the client */
#define DHCP_TRANSACTION_ID 0x13245466
/** DHCP message type for a DISCOVER message */
#define DHCP_DISCOVER 1
/** DHCP message type for an OFFER message */
#define DHCP_OFFER 2
/** DHCP message type for a REQUEST message */
#define DHCP_REQUEST 3
/** DHCP message type for a DECLINE message */
#define DHCP_DECLINE 4
/** DHCP message type for an ACK message */
#define DHCP_ACK 5
/** DHCP message type for a NAK message */
#define DHCP_NAK 6
/** DHCP message type for a RELEASE message */
#define DHCP_RELEASE 7
/** DHCP medium type for standard Ethernet */
#define DHCP_HTYPE_ETHERNET 1
/** DHCP message option for the network subnet mask */
#define DHCP_OPTION_SUBNET_MASK 1
/** DHCP message option for the network gateway IP */
#define DHCP_OPTION_ROUTER 3
/** DHCP message option for the network DNS server */
#define DHCP_OPTION_DNS_SERVER 6
/** DHCP message option for the requested client IP address */
#define DHCP_OPTION_REQ_IPADDR 50
/** DHCP message option for the IP address lease time */
#define DHCP_OPTION_LEASE_TIME 51
/** DHCP message option for the DHCP message type */
#define DHCP_OPTION_MSG_TYPE 53
/** DHCP message option for the DHCP server IP */
#define DHCP_OPTION_SERVER_ID 54
/** DHCP message option for the list of required options from the server */
#define DHCP_OPTION_REQ_LIST 55
/** DHCP message option for the options list terminator */
#define DHCP_OPTION_END 255
/* Type Defines: */
/** Type define for a DHCP packet inside an Ethernet frame. */
typedef struct
{
uint8_t Operation; /**< DHCP operation, either DHCP_OP_BOOTREQUEST or DHCP_OP_BOOTREPLY */
uint8_t HardwareType; /**< Hardware carrier type constant */
uint8_t HardwareAddressLength; /**< Length in bytes of a hardware (MAC) address on the network */
uint8_t Hops; /**< Number of hops required to reach the server, unused */
uint32_t TransactionID; /**< Unique ID of the DHCP packet, for positive matching between sent and received packets */
uint16_t ElapsedSeconds; /**< Elapsed seconds since the request was made */
uint16_t Flags; /**< BOOTP packet flags */
uip_ipaddr_t ClientIP; /**< Client IP address, if already leased an IP */
uip_ipaddr_t YourIP; /**< Client IP address */
uip_ipaddr_t NextServerIP; /**< Legacy BOOTP protocol field, unused for DHCP */
uip_ipaddr_t RelayAgentIP; /**< Legacy BOOTP protocol field, unused for DHCP */
uint8_t ClientHardwareAddress[16]; /**< Hardware (MAC) address of the client making a request to the DHCP server */
uint8_t ServerHostnameString[64]; /**< Legacy BOOTP protocol field, unused for DHCP */
uint8_t BootFileName[128]; /**< Legacy BOOTP protocol field, unused for DHCP */
uint32_t Cookie; /**< Magic BOOTP protocol cookie to indicate a valid packet */
uint8_t Options[]; /** DHCP message options */
} DHCP_Header_t;
/* Enums: */
/** States for each DHCP connection to a DHCP client. */
enum DHCP_States_t
{
DHCP_STATE_SendDiscover, /**< Send DISCOVER packet to retrieve DHCP lease offers */
DHCP_STATE_WaitForOffer, /**< Waiting for OFFER packet giving available DHCP leases */
DHCP_STATE_SendRequest, /**< Send REQUEST packet to request a DHCP lease */
DHCP_STATE_WaitForACK, /**< Wait for ACK packet to complete the DHCP lease */
DHCP_STATE_AddressLeased, /**< DHCP address has been leased from a DHCP server */
};
/* Function Prototypes: */
void DHCPClientApp_Init(void);
void DHCPClientApp_Callback(void);
#if defined(INCLUDE_FROM_DHCPCLIENTAPP_C)
static uint16_t DHCPClientApp_FillDHCPHeader(DHCP_Header_t* const DHCPHeader, const uint8_t DHCPMessageType,
uip_udp_appstate_t* AppState);
static uint8_t DHCPClientApp_SetOption(uint8_t* DHCPOptionList, uint8_t Option, uint8_t DataLen,
void* OptionData);
static bool DHCPClientApp_GetOption(const uint8_t* DHCPOptionList, const uint8_t Option, void* const Destination);
#endif
#endif
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* Header file for DHCPClientApp.c.
*/
#ifndef _DHCPCLIENT_APP_H_
#define _DHCPCLIENT_APP_H_
/* Includes: */
#include <stdio.h>
#include <uip.h>
#include "../Webserver.h"
/* Macros: */
/** UDP listen port for a BOOTP server */
#define DHCPC_SERVER_PORT 67
/** UDP listen port for a BOOTP client */
#define DHCPC_CLIENT_PORT 68
/** BOOTP message type for a BOOTP REQUEST message */
#define DHCP_OP_BOOTREQUEST 0x01
/** BOOTP message type for a BOOTP REPLY message */
#define DHCP_OP_BOOTREPLY 0x02
/** BOOTP flag for a BOOTP broadcast message */
#define BOOTP_BROADCAST 0x8000
/** Magic DHCP cookie for a BOOTP message to identify it as a DHCP message */
#define DHCP_MAGIC_COOKIE 0x63538263
/** Unique transaction ID used to identify DHCP responses to the client */
#define DHCP_TRANSACTION_ID 0x13245466
/** DHCP message type for a DISCOVER message */
#define DHCP_DISCOVER 1
/** DHCP message type for an OFFER message */
#define DHCP_OFFER 2
/** DHCP message type for a REQUEST message */
#define DHCP_REQUEST 3
/** DHCP message type for a DECLINE message */
#define DHCP_DECLINE 4
/** DHCP message type for an ACK message */
#define DHCP_ACK 5
/** DHCP message type for a NAK message */
#define DHCP_NAK 6
/** DHCP message type for a RELEASE message */
#define DHCP_RELEASE 7
/** DHCP medium type for standard Ethernet */
#define DHCP_HTYPE_ETHERNET 1
/** DHCP message option for the network subnet mask */
#define DHCP_OPTION_SUBNET_MASK 1
/** DHCP message option for the network gateway IP */
#define DHCP_OPTION_ROUTER 3
/** DHCP message option for the network DNS server */
#define DHCP_OPTION_DNS_SERVER 6
/** DHCP message option for the requested client IP address */
#define DHCP_OPTION_REQ_IPADDR 50
/** DHCP message option for the IP address lease time */
#define DHCP_OPTION_LEASE_TIME 51
/** DHCP message option for the DHCP message type */
#define DHCP_OPTION_MSG_TYPE 53
/** DHCP message option for the DHCP server IP */
#define DHCP_OPTION_SERVER_ID 54
/** DHCP message option for the list of required options from the server */
#define DHCP_OPTION_REQ_LIST 55
/** DHCP message option for the options list terminator */
#define DHCP_OPTION_END 255
/* Type Defines: */
/** Type define for a DHCP packet inside an Ethernet frame. */
typedef struct
{
uint8_t Operation; /**< DHCP operation, either DHCP_OP_BOOTREQUEST or DHCP_OP_BOOTREPLY */
uint8_t HardwareType; /**< Hardware carrier type constant */
uint8_t HardwareAddressLength; /**< Length in bytes of a hardware (MAC) address on the network */
uint8_t Hops; /**< Number of hops required to reach the server, unused */
uint32_t TransactionID; /**< Unique ID of the DHCP packet, for positive matching between sent and received packets */
uint16_t ElapsedSeconds; /**< Elapsed seconds since the request was made */
uint16_t Flags; /**< BOOTP packet flags */
uip_ipaddr_t ClientIP; /**< Client IP address, if already leased an IP */
uip_ipaddr_t YourIP; /**< Client IP address */
uip_ipaddr_t NextServerIP; /**< Legacy BOOTP protocol field, unused for DHCP */
uip_ipaddr_t RelayAgentIP; /**< Legacy BOOTP protocol field, unused for DHCP */
uint8_t ClientHardwareAddress[16]; /**< Hardware (MAC) address of the client making a request to the DHCP server */
uint8_t ServerHostnameString[64]; /**< Legacy BOOTP protocol field, unused for DHCP */
uint8_t BootFileName[128]; /**< Legacy BOOTP protocol field, unused for DHCP */
uint32_t Cookie; /**< Magic BOOTP protocol cookie to indicate a valid packet */
uint8_t Options[]; /** DHCP message options */
} DHCP_Header_t;
/* Enums: */
/** States for each DHCP connection to a DHCP client. */
enum DHCP_States_t
{
DHCP_STATE_SendDiscover, /**< Send DISCOVER packet to retrieve DHCP lease offers */
DHCP_STATE_WaitForOffer, /**< Waiting for OFFER packet giving available DHCP leases */
DHCP_STATE_SendRequest, /**< Send REQUEST packet to request a DHCP lease */
DHCP_STATE_WaitForACK, /**< Wait for ACK packet to complete the DHCP lease */
DHCP_STATE_AddressLeased, /**< DHCP address has been leased from a DHCP server */
};
/* Function Prototypes: */
void DHCPClientApp_Init(void);
void DHCPClientApp_Callback(void);
#if defined(INCLUDE_FROM_DHCPCLIENTAPP_C)
static uint16_t DHCPClientApp_FillDHCPHeader(DHCP_Header_t* const DHCPHeader, const uint8_t DHCPMessageType,
uip_udp_appstate_t* AppState);
static uint8_t DHCPClientApp_SetOption(uint8_t* DHCPOptionList, uint8_t Option, uint8_t DataLen,
void* OptionData);
static bool DHCPClientApp_GetOption(const uint8_t* DHCPOptionList, const uint8_t Option, void* const Destination);
#endif
#endif

1050
Projects/Webserver/Lib/DataflashManager.c
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160
Projects/Webserver/Lib/DataflashManager.h
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@ -1,80 +1,80 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* Header file for DataflashManager.c.
*/
#ifndef _DATAFLASH_MANAGER_H_
#define _DATAFLASH_MANAGER_H_
/* Includes: */
#include <avr/io.h>
#include "Descriptors.h"
#include <LUFA/Common/Common.h>
#include <LUFA/Drivers/USB/USB.h>
#include <LUFA/Drivers/USB/Class/MassStorage.h>
#include <LUFA/Drivers/Board/Dataflash.h>
/* Preprocessor Checks: */
#if (DATAFLASH_PAGE_SIZE % 16)
#error Dataflash page size must be a multiple of 16 bytes.
#endif
/* Defines: */
/** Total number of bytes of the storage medium, comprised of one or more dataflash ICs. */
#define VIRTUAL_MEMORY_BYTES ((uint32_t)DATAFLASH_PAGES * DATAFLASH_PAGE_SIZE * DATAFLASH_TOTALCHIPS)
/** Block size of the device. This is kept at 512 to remain compatible with the OS despite the underlying
* storage media (Dataflash) using a different native block size. Do not change this value.
*/
#define VIRTUAL_MEMORY_BLOCK_SIZE 512
/** Total number of blocks of the virtual memory for reporting to the host as the device's total capacity. Do not
* change this value; change VIRTUAL_MEMORY_BYTES instead to alter the media size.
*/
#define VIRTUAL_MEMORY_BLOCKS (VIRTUAL_MEMORY_BYTES / VIRTUAL_MEMORY_BLOCK_SIZE)
/* Function Prototypes: */
void DataflashManager_WriteBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo, const uint32_t BlockAddress,
uint16_t TotalBlocks);
void DataflashManager_ReadBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo, const uint32_t BlockAddress,
uint16_t TotalBlocks);
void DataflashManager_WriteBlocks_RAM(const uint32_t BlockAddress, uint16_t TotalBlocks,
const uint8_t* BufferPtr) ATTR_NON_NULL_PTR_ARG(3);
void DataflashManager_ReadBlocks_RAM(const uint32_t BlockAddress, uint16_t TotalBlocks,
uint8_t* BufferPtr) ATTR_NON_NULL_PTR_ARG(3);
void DataflashManager_ResetDataflashProtections(void);
bool DataflashManager_CheckDataflashOperation(void);
#endif
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* Header file for DataflashManager.c.
*/
#ifndef _DATAFLASH_MANAGER_H_
#define _DATAFLASH_MANAGER_H_
/* Includes: */
#include <avr/io.h>
#include "Descriptors.h"
#include <LUFA/Common/Common.h>
#include <LUFA/Drivers/USB/USB.h>
#include <LUFA/Drivers/USB/Class/MassStorage.h>
#include <LUFA/Drivers/Board/Dataflash.h>
/* Preprocessor Checks: */
#if (DATAFLASH_PAGE_SIZE % 16)
#error Dataflash page size must be a multiple of 16 bytes.
#endif
/* Defines: */
/** Total number of bytes of the storage medium, comprised of one or more dataflash ICs. */
#define VIRTUAL_MEMORY_BYTES ((uint32_t)DATAFLASH_PAGES * DATAFLASH_PAGE_SIZE * DATAFLASH_TOTALCHIPS)
/** Block size of the device. This is kept at 512 to remain compatible with the OS despite the underlying
* storage media (Dataflash) using a different native block size. Do not change this value.
*/
#define VIRTUAL_MEMORY_BLOCK_SIZE 512
/** Total number of blocks of the virtual memory for reporting to the host as the device's total capacity. Do not
* change this value; change VIRTUAL_MEMORY_BYTES instead to alter the media size.
*/
#define VIRTUAL_MEMORY_BLOCKS (VIRTUAL_MEMORY_BYTES / VIRTUAL_MEMORY_BLOCK_SIZE)
/* Function Prototypes: */
void DataflashManager_WriteBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo, const uint32_t BlockAddress,
uint16_t TotalBlocks);
void DataflashManager_ReadBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo, const uint32_t BlockAddress,
uint16_t TotalBlocks);
void DataflashManager_WriteBlocks_RAM(const uint32_t BlockAddress, uint16_t TotalBlocks,
const uint8_t* BufferPtr) ATTR_NON_NULL_PTR_ARG(3);
void DataflashManager_ReadBlocks_RAM(const uint32_t BlockAddress, uint16_t TotalBlocks,
uint8_t* BufferPtr) ATTR_NON_NULL_PTR_ARG(3);
void DataflashManager_ResetDataflashProtections(void);
bool DataflashManager_CheckDataflashOperation(void);
#endif

220
Projects/Webserver/Lib/FATFs/00readme.txt
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@ -1,110 +1,110 @@
FatFs Module Source Files R0.07e (C)ChaN, 2010
FILES
ffconf.h Configuration file for FatFs module.
ff.h Common include file for FatFs and application module.
ff.c FatFs module.
diskio.h Common include file for FatFs and disk I/O module.
diskio.c Skeleton of low level disk I/O module.
integer.h Alternative type definitions for integer variables.
option Optional external functions.
Low level disk I/O module is not included in this archive because the FatFs
module is only a generic file system layer and not depend on any specific
storage device. You have to provide a low level disk I/O module that written
to control your storage device.
AGREEMENTS
FatFs module is an open source software to implement FAT file system to
small embedded systems. This is a free software and is opened for education,
research and commercial developments under license policy of following trems.
Copyright (C) 2010, ChaN, all right reserved.
* The FatFs module is a free software and there is NO WARRANTY.
* No restriction on use. You can use, modify and redistribute it for
personal, non-profit or commercial product UNDER YOUR RESPONSIBILITY.
* Redistributions of source code must retain the above copyright notice.
REVISION HISTORY
Feb 26, 2006 R0.00 Prototype
Apr 29, 2006 R0.01 First release.
Jun 01, 2006 R0.02 Added FAT12.
Removed unbuffered mode.
Fixed a problem on small (<32M) patition.
Jun 10, 2006 R0.02a Added a configuration option _FS_MINIMUM.
Sep 22, 2006 R0.03 Added f_rename.
Changed option _FS_MINIMUM to _FS_MINIMIZE.
Dec 11, 2006 R0.03a Improved cluster scan algolithm to write files fast.
Fixed f_mkdir creates incorrect directory on FAT32.
Feb 04, 2007 R0.04 Supported multiple drive system. (FatFs)
Changed some APIs for multiple drive system.
Added f_mkfs. (FatFs)
Added _USE_FAT32 option. (Tiny-FatFs)
Apr 01, 2007 R0.04a Supported multiple partitions on a plysical drive. (FatFs)
Fixed an endian sensitive code in f_mkfs. (FatFs)
Added a capability of extending the file size to f_lseek.
Added minimization level 3.
Fixed a problem that can collapse a sector when recreate an
existing file in any sub-directory at non FAT32 cfg. (Tiny-FatFs)
May 05, 2007 R0.04b Added _USE_NTFLAG option.
Added FSInfo support.
Fixed some problems corresponds to FAT32. (Tiny-FatFs)
Fixed DBCS name can result FR_INVALID_NAME.
Fixed short seek (0 < ofs <= csize) collapses the file object.
Aug 25, 2007 R0.05 Changed arguments of f_read, f_write.
Changed arguments of f_mkfs. (FatFs)
Fixed f_mkfs on FAT32 creates incorrect FSInfo. (FatFs)
Fixed f_mkdir on FAT32 creates incorrect directory. (FatFs)
Feb 03, 2008 R0.05a Added f_truncate().
Added f_utime().
Fixed off by one error at FAT sub-type determination.
Fixed btr in f_read() can be mistruncated.
Fixed cached sector is not flushed when create and close without write.
Apr 01, 2008 R0.06 Added f_forward(). (Tiny-FatFs)
Added string functions: fputc(), fputs(), fprintf() and fgets().
Improved performance of f_lseek() on move to the same or following cluster.
Apr 01, 2010, R0.07 Merged Tiny-FatFs as a buffer configuration option.
Added long file name support.
Added multiple code page support.
Added re-entrancy for multitask operation.
Added auto cluster size selection to f_mkfs().
Added rewind option to f_readdir().
Changed result code of critical errors.
Renamed string functions to avoid name collision.
Apr 14, 2010, R0.07a Separated out OS dependent code on reentrant cfg.
Added multiple sector size support.
Jun 21, 2010, R0.07c Fixed f_unlink() may return FR_OK on error.
Fixed wrong cache control in f_lseek().
Added relative path feature.
Added f_chdir().
Added f_chdrive().
Added proper case conversion for extended characters.
Nov 03,'2010 R0.07e Separated out configuration options from ff.h to ffconf.h.
Added a configuration option, _LFN_UNICODE.
Fixed f_unlink() fails to remove a sub-dir on _FS_RPATH.
Fixed name matching error on the 13 char boundary.
Changed f_readdir() to return the SFN with always upper case on non-LFN cfg.
FatFs Module Source Files R0.07e (C)ChaN, 2010
FILES
ffconf.h Configuration file for FatFs module.
ff.h Common include file for FatFs and application module.
ff.c FatFs module.
diskio.h Common include file for FatFs and disk I/O module.
diskio.c Skeleton of low level disk I/O module.
integer.h Alternative type definitions for integer variables.
option Optional external functions.
Low level disk I/O module is not included in this archive because the FatFs
module is only a generic file system layer and not depend on any specific
storage device. You have to provide a low level disk I/O module that written
to control your storage device.
AGREEMENTS
FatFs module is an open source software to implement FAT file system to
small embedded systems. This is a free software and is opened for education,
research and commercial developments under license policy of following trems.
Copyright (C) 2010, ChaN, all right reserved.
* The FatFs module is a free software and there is NO WARRANTY.
* No restriction on use. You can use, modify and redistribute it for
personal, non-profit or commercial product UNDER YOUR RESPONSIBILITY.
* Redistributions of source code must retain the above copyright notice.
REVISION HISTORY
Feb 26, 2006 R0.00 Prototype
Apr 29, 2006 R0.01 First release.
Jun 01, 2006 R0.02 Added FAT12.
Removed unbuffered mode.
Fixed a problem on small (<32M) patition.
Jun 10, 2006 R0.02a Added a configuration option _FS_MINIMUM.
Sep 22, 2006 R0.03 Added f_rename.
Changed option _FS_MINIMUM to _FS_MINIMIZE.
Dec 11, 2006 R0.03a Improved cluster scan algolithm to write files fast.
Fixed f_mkdir creates incorrect directory on FAT32.
Feb 04, 2007 R0.04 Supported multiple drive system. (FatFs)
Changed some APIs for multiple drive system.
Added f_mkfs. (FatFs)
Added _USE_FAT32 option. (Tiny-FatFs)
Apr 01, 2007 R0.04a Supported multiple partitions on a plysical drive. (FatFs)
Fixed an endian sensitive code in f_mkfs. (FatFs)
Added a capability of extending the file size to f_lseek.
Added minimization level 3.
Fixed a problem that can collapse a sector when recreate an
existing file in any sub-directory at non FAT32 cfg. (Tiny-FatFs)
May 05, 2007 R0.04b Added _USE_NTFLAG option.
Added FSInfo support.
Fixed some problems corresponds to FAT32. (Tiny-FatFs)
Fixed DBCS name can result FR_INVALID_NAME.
Fixed short seek (0 < ofs <= csize) collapses the file object.
Aug 25, 2007 R0.05 Changed arguments of f_read, f_write.
Changed arguments of f_mkfs. (FatFs)
Fixed f_mkfs on FAT32 creates incorrect FSInfo. (FatFs)
Fixed f_mkdir on FAT32 creates incorrect directory. (FatFs)
Feb 03, 2008 R0.05a Added f_truncate().
Added f_utime().
Fixed off by one error at FAT sub-type determination.
Fixed btr in f_read() can be mistruncated.
Fixed cached sector is not flushed when create and close without write.
Apr 01, 2008 R0.06 Added f_forward(). (Tiny-FatFs)
Added string functions: fputc(), fputs(), fprintf() and fgets().
Improved performance of f_lseek() on move to the same or following cluster.
Apr 01, 2010, R0.07 Merged Tiny-FatFs as a buffer configuration option.
Added long file name support.
Added multiple code page support.
Added re-entrancy for multitask operation.
Added auto cluster size selection to f_mkfs().
Added rewind option to f_readdir().
Changed result code of critical errors.
Renamed string functions to avoid name collision.
Apr 14, 2010, R0.07a Separated out OS dependent code on reentrant cfg.
Added multiple sector size support.
Jun 21, 2010, R0.07c Fixed f_unlink() may return FR_OK on error.
Fixed wrong cache control in f_lseek().
Added relative path feature.
Added f_chdir().
Added f_chdrive().
Added proper case conversion for extended characters.
Nov 03,'2010 R0.07e Separated out configuration options from ff.h to ffconf.h.
Added a configuration option, _LFN_UNICODE.
Fixed f_unlink() fails to remove a sub-dir on _FS_RPATH.
Fixed name matching error on the 13 char boundary.
Changed f_readdir() to return the SFN with always upper case on non-LFN cfg.

128
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@ -1,64 +1,64 @@
/*-----------------------------------------------------------------------*/
/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2007 */
/*-----------------------------------------------------------------------*/
/* This is a stub disk I/O module that acts as front end of the existing */
/* disk I/O modules and attach it to FatFs module with common interface. */
/*-----------------------------------------------------------------------*/
#include "diskio.h"
/*-----------------------------------------------------------------------*/
/* Inidialize a Drive */
DSTATUS disk_initialize (
BYTE drv /* Physical drive nmuber (0..) */
)
{
return FR_OK;
}
/*-----------------------------------------------------------------------*/
/* Return Disk Status */
DSTATUS disk_status (
BYTE drv /* Physical drive nmuber (0..) */
)
{
return FR_OK;
}
/*-----------------------------------------------------------------------*/
/* Read Sector(s) */
DRESULT disk_read (
BYTE drv, /* Physical drive nmuber (0..) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to read (1..255) */
)
{
DataflashManager_ReadBlocks_RAM(sector, count, buff);
return RES_OK;
}
/*-----------------------------------------------------------------------*/
/* Write Sector(s) */
#if _READONLY == 0
DRESULT disk_write (
BYTE drv, /* Physical drive nmuber (0..) */
const BYTE *buff, /* Data to be written */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to write (1..255) */
)
{
DataflashManager_WriteBlocks_RAM(sector, count, buff);
return RES_OK;
}
#endif /* _READONLY */
/*-----------------------------------------------------------------------*/
/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2007 */
/*-----------------------------------------------------------------------*/
/* This is a stub disk I/O module that acts as front end of the existing */
/* disk I/O modules and attach it to FatFs module with common interface. */
/*-----------------------------------------------------------------------*/
#include "diskio.h"
/*-----------------------------------------------------------------------*/
/* Inidialize a Drive */
DSTATUS disk_initialize (
BYTE drv /* Physical drive nmuber (0..) */
)
{
return FR_OK;
}
/*-----------------------------------------------------------------------*/
/* Return Disk Status */
DSTATUS disk_status (
BYTE drv /* Physical drive nmuber (0..) */
)
{
return FR_OK;
}
/*-----------------------------------------------------------------------*/
/* Read Sector(s) */
DRESULT disk_read (
BYTE drv, /* Physical drive nmuber (0..) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to read (1..255) */
)
{
DataflashManager_ReadBlocks_RAM(sector, count, buff);
return RES_OK;
}
/*-----------------------------------------------------------------------*/
/* Write Sector(s) */
#if _READONLY == 0
DRESULT disk_write (
BYTE drv, /* Physical drive nmuber (0..) */
const BYTE *buff, /* Data to be written */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to write (1..255) */
)
{
DataflashManager_WriteBlocks_RAM(sector, count, buff);
return RES_OK;
}
#endif /* _READONLY */

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@ -1,72 +1,72 @@
/*-----------------------------------------------------------------------
/ Low level disk interface modlue include file R0.07 (C)ChaN, 2010
/-----------------------------------------------------------------------*/
#ifndef _DISKIO
#define _READONLY 0 /* 1: Read-only mode */
#define _USE_IOCTL 0
#include "integer.h"
#include "ff.h"
#include "../DataflashManager.h"
/* Status of Disk Functions */
typedef BYTE DSTATUS;
/* Results of Disk Functions */
typedef enum {
RES_OK = 0, /* 0: Successful */
RES_ERROR, /* 1: R/W Error */
RES_WRPRT, /* 2: Write Protected */
RES_NOTRDY, /* 3: Not Ready */
RES_PARERR /* 4: Invalid Parameter */
} DRESULT;
/*---------------------------------------*/
/* Prototypes for disk control functions */
BOOL assign_drives (int argc, char *argv[]);
DSTATUS disk_initialize (BYTE);
DSTATUS disk_status (BYTE);
DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE);
#if _READONLY == 0
DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE);
#endif
DRESULT disk_ioctl (BYTE, BYTE, void*);
/* Disk Status Bits (DSTATUS) */
#define STA_NOINIT 0x01 /* Drive not initialized */
#define STA_NODISK 0x02 /* No medium in the drive */
#define STA_PROTECT 0x04 /* Write protected */
/* Command code for disk_ioctrl() */
/* Generic command */
#define CTRL_SYNC 0 /* Mandatory for write functions */
#define GET_SECTOR_COUNT 1 /* Mandatory for only f_mkfs() */
#define GET_SECTOR_SIZE 2 /* Mandatory for multiple sector size cfg */
#define GET_BLOCK_SIZE 3 /* Mandatory for only f_mkfs() */
#define CTRL_POWER 4
#define CTRL_LOCK 5
#define CTRL_EJECT 6
/* MMC/SDC command */
#define MMC_GET_TYPE 10
#define MMC_GET_CSD 11
#define MMC_GET_CID 12
#define MMC_GET_OCR 13
#define MMC_GET_SDSTAT 14
/* ATA/CF command */
#define ATA_GET_REV 20
#define ATA_GET_MODEL 21
#define ATA_GET_SN 22
#define _DISKIO
#endif
/*-----------------------------------------------------------------------
/ Low level disk interface modlue include file R0.07 (C)ChaN, 2010
/-----------------------------------------------------------------------*/
#ifndef _DISKIO
#define _READONLY 0 /* 1: Read-only mode */
#define _USE_IOCTL 0
#include "integer.h"
#include "ff.h"
#include "../DataflashManager.h"
/* Status of Disk Functions */
typedef BYTE DSTATUS;
/* Results of Disk Functions */
typedef enum {
RES_OK = 0, /* 0: Successful */
RES_ERROR, /* 1: R/W Error */
RES_WRPRT, /* 2: Write Protected */
RES_NOTRDY, /* 3: Not Ready */
RES_PARERR /* 4: Invalid Parameter */
} DRESULT;
/*---------------------------------------*/
/* Prototypes for disk control functions */
BOOL assign_drives (int argc, char *argv[]);
DSTATUS disk_initialize (BYTE);
DSTATUS disk_status (BYTE);
DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE);
#if _READONLY == 0
DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE);
#endif
DRESULT disk_ioctl (BYTE, BYTE, void*);
/* Disk Status Bits (DSTATUS) */
#define STA_NOINIT 0x01 /* Drive not initialized */
#define STA_NODISK 0x02 /* No medium in the drive */
#define STA_PROTECT 0x04 /* Write protected */
/* Command code for disk_ioctrl() */
/* Generic command */
#define CTRL_SYNC 0 /* Mandatory for write functions */
#define GET_SECTOR_COUNT 1 /* Mandatory for only f_mkfs() */
#define GET_SECTOR_SIZE 2 /* Mandatory for multiple sector size cfg */
#define GET_BLOCK_SIZE 3 /* Mandatory for only f_mkfs() */
#define CTRL_POWER 4
#define CTRL_LOCK 5
#define CTRL_EJECT 6
/* MMC/SDC command */
#define MMC_GET_TYPE 10
#define MMC_GET_CSD 11
#define MMC_GET_CID 12
#define MMC_GET_OCR 13
#define MMC_GET_SDSTAT 14
/* ATA/CF command */
#define ATA_GET_REV 20
#define ATA_GET_MODEL 21
#define ATA_GET_SN 22
#define _DISKIO
#endif

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/*---------------------------------------------------------------------------/
/ FatFs - FAT file system module configuration file R0.07e (C)ChaN, 2010
/----------------------------------------------------------------------------/
/
/ CAUTION! Do not forget to make clean the project after any changes to
/ the configuration options.
/
/----------------------------------------------------------------------------*/
#ifndef _FFCONFIG
#define _FFCONFIG 0x007E
/*---------------------------------------------------------------------------/
/ Function and Buffer Configurations
/----------------------------------------------------------------------------*/
#define _FS_TINY 1 /* 0 or 1 */
/* When _FS_TINY is set to 1, FatFs uses the sector buffer in the file system
/ object instead of the sector buffer in the individual file object for file
/ data transfer. This reduces memory consumption 512 bytes each file object. */
#define _FS_READONLY 1 /* 0 or 1 */
/* Setting _FS_READONLY to 1 defines read only configuration. This removes
/ writing functions, f_write, f_sync, f_unlink, f_mkdir, f_chmod, f_rename,
/ f_truncate and useless f_getfree. */
#define _FS_MINIMIZE 2 /* 0, 1, 2 or 3 */
/* The _FS_MINIMIZE option defines minimization level to remove some functions.
/
/ 0: Full function.
/ 1: f_stat, f_getfree, f_unlink, f_mkdir, f_chmod, f_truncate and f_rename
/ are removed.
/ 2: f_opendir and f_readdir are removed in addition to level 1.
/ 3: f_lseek is removed in addition to level 2. */
#define _USE_STRFUNC 0 /* 0, 1 or 2 */
/* To enable string functions, set _USE_STRFUNC to 1 or 2. */
#define _USE_MKFS 0 /* 0 or 1 */
/* To enable f_mkfs function, set _USE_MKFS to 1 and set _FS_READONLY to 0 */
#define _USE_FORWARD 0 /* 0 or 1 */
/* To enable f_forward function, set _USE_FORWARD to 1 and set _FS_TINY to 1. */
/*---------------------------------------------------------------------------/
/ Locale and Namespace Configurations
/----------------------------------------------------------------------------*/
#define _CODE_PAGE 932
/* The _CODE_PAGE specifies the OEM code page to be used on the target system.
/ Incorrect setting of the code page can cause a file open failure.
/
/ 932 - Japanese Shift-JIS (DBCS, OEM, Windows)
/ 936 - Simplified Chinese GBK (DBCS, OEM, Windows)
/ 949 - Korean (DBCS, OEM, Windows)
/ 950 - Traditional Chinese Big5 (DBCS, OEM, Windows)
/ 1250 - Central Europe (Windows)
/ 1251 - Cyrillic (Windows)
/ 1252 - Latin 1 (Windows)
/ 1253 - Greek (Windows)
/ 1254 - Turkish (Windows)
/ 1255 - Hebrew (Windows)
/ 1256 - Arabic (Windows)
/ 1257 - Baltic (Windows)
/ 1258 - Vietnam (OEM, Windows)
/ 437 - U.S. (OEM)
/ 720 - Arabic (OEM)
/ 737 - Greek (OEM)
/ 775 - Baltic (OEM)
/ 850 - Multilingual Latin 1 (OEM)
/ 858 - Multilingual Latin 1 + Euro (OEM)
/ 852 - Latin 2 (OEM)
/ 855 - Cyrillic (OEM)
/ 866 - Russian (OEM)
/ 857 - Turkish (OEM)
/ 862 - Hebrew (OEM)
/ 874 - Thai (OEM, Windows)
/ 1 - ASCII only (Valid for non LFN cfg.)
*/
#define _USE_LFN 0 /* 0, 1 or 2 */
#define _MAX_LFN 255 /* Maximum LFN length to handle (12 to 255) */
/* The _USE_LFN option switches the LFN support.
/
/ 0: Disable LFN. _MAX_LFN and _LFN_UNICODE have no effect.
/ 1: Enable LFN with static working buffer on the bss. NOT REENTRANT.
/ 2: Enable LFN with dynamic working buffer on the STACK.
/
/ The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes. When enable LFN,
/ two Unicode handling functions ff_convert() and ff_wtoupper() must be added
/ to the project. */
#define _LFN_UNICODE 0 /* 0 or 1 */
/* To switch the character code set on FatFs API to Unicode,
/ enable LFN feature and set _LFN_UNICODE to 1.
*/
#define _FS_RPATH 0 /* 0 or 1 */
/* When _FS_RPATH is set to 1, relative path feature is enabled and f_chdir,
/ f_chdrive function are available.
/ Note that output of the f_readdir fnction is affected by this option. */
/*---------------------------------------------------------------------------/
/ Physical Drive Configurations
/----------------------------------------------------------------------------*/
#define _DRIVES 1
/* Number of volumes (logical drives) to be used. */
#define _MAX_SS 512 /* 512, 1024, 2048 or 4096 */
/* Maximum sector size to be handled.
/ Always set 512 for memory card and hard disk but a larger value may be
/ required for floppy disk (512/1024) and optical disk (512/2048).
/ When _MAX_SS is larger than 512, GET_SECTOR_SIZE command must be implememted
/ to the disk_ioctl function. */
#define _MULTI_PARTITION 0 /* 0 or 1 */
/* When _MULTI_PARTITION is set to 0, each volume is bound to the same physical
/ drive number and can mount only first primaly partition. When it is set to 1,
/ each volume is tied to the partitions listed in Drives[]. */
/*---------------------------------------------------------------------------/
/ System Configurations
/----------------------------------------------------------------------------*/
#define _WORD_ACCESS 1 /* 0 or 1 */
/* The _WORD_ACCESS option defines which access method is used to the word
/ data on the FAT volume.
/
/ 0: Byte-by-byte access. Always compatible with all platforms.
/ 1: Word access. Do not choose this unless following condition is met.
/
/ When the byte order on the memory is big-endian or address miss-aligned
/ word access results incorrect behavior, the _WORD_ACCESS must be set to 0.
/ If it is not the case, the value can also be set to 1 to improve the
/ performance and code size. */
#define _FS_REENTRANT 0 /* 0 or 1 */
#define _FS_TIMEOUT 1000 /* Timeout period in unit of time ticks */
#define _SYNC_t HANDLE /* O/S dependent type of sync object. e.g. HANDLE, OS_EVENT*, ID and etc.. */
/* The _FS_REENTRANT option switches the reentrancy of the FatFs module.
/
/ 0: Disable reentrancy. _SYNC_t and _FS_TIMEOUT have no effect.
/ 1: Enable reentrancy. Also user provided synchronization handlers,
/ ff_req_grant, ff_rel_grant, ff_del_syncobj and ff_cre_syncobj
/ function must be added to the project. */
#endif /* _FFCONFIG */
/*---------------------------------------------------------------------------/
/ FatFs - FAT file system module configuration file R0.07e (C)ChaN, 2010
/----------------------------------------------------------------------------/
/
/ CAUTION! Do not forget to make clean the project after any changes to
/ the configuration options.
/
/----------------------------------------------------------------------------*/
#ifndef _FFCONFIG
#define _FFCONFIG 0x007E
/*---------------------------------------------------------------------------/
/ Function and Buffer Configurations
/----------------------------------------------------------------------------*/
#define _FS_TINY 1 /* 0 or 1 */
/* When _FS_TINY is set to 1, FatFs uses the sector buffer in the file system
/ object instead of the sector buffer in the individual file object for file
/ data transfer. This reduces memory consumption 512 bytes each file object. */
#define _FS_READONLY 1 /* 0 or 1 */
/* Setting _FS_READONLY to 1 defines read only configuration. This removes
/ writing functions, f_write, f_sync, f_unlink, f_mkdir, f_chmod, f_rename,
/ f_truncate and useless f_getfree. */
#define _FS_MINIMIZE 2 /* 0, 1, 2 or 3 */
/* The _FS_MINIMIZE option defines minimization level to remove some functions.
/
/ 0: Full function.
/ 1: f_stat, f_getfree, f_unlink, f_mkdir, f_chmod, f_truncate and f_rename
/ are removed.
/ 2: f_opendir and f_readdir are removed in addition to level 1.
/ 3: f_lseek is removed in addition to level 2. */
#define _USE_STRFUNC 0 /* 0, 1 or 2 */
/* To enable string functions, set _USE_STRFUNC to 1 or 2. */
#define _USE_MKFS 0 /* 0 or 1 */
/* To enable f_mkfs function, set _USE_MKFS to 1 and set _FS_READONLY to 0 */
#define _USE_FORWARD 0 /* 0 or 1 */
/* To enable f_forward function, set _USE_FORWARD to 1 and set _FS_TINY to 1. */
/*---------------------------------------------------------------------------/
/ Locale and Namespace Configurations
/----------------------------------------------------------------------------*/
#define _CODE_PAGE 932
/* The _CODE_PAGE specifies the OEM code page to be used on the target system.
/ Incorrect setting of the code page can cause a file open failure.
/
/ 932 - Japanese Shift-JIS (DBCS, OEM, Windows)
/ 936 - Simplified Chinese GBK (DBCS, OEM, Windows)
/ 949 - Korean (DBCS, OEM, Windows)
/ 950 - Traditional Chinese Big5 (DBCS, OEM, Windows)
/ 1250 - Central Europe (Windows)
/ 1251 - Cyrillic (Windows)
/ 1252 - Latin 1 (Windows)
/ 1253 - Greek (Windows)
/ 1254 - Turkish (Windows)
/ 1255 - Hebrew (Windows)
/ 1256 - Arabic (Windows)
/ 1257 - Baltic (Windows)
/ 1258 - Vietnam (OEM, Windows)
/ 437 - U.S. (OEM)
/ 720 - Arabic (OEM)
/ 737 - Greek (OEM)
/ 775 - Baltic (OEM)
/ 850 - Multilingual Latin 1 (OEM)
/ 858 - Multilingual Latin 1 + Euro (OEM)
/ 852 - Latin 2 (OEM)
/ 855 - Cyrillic (OEM)
/ 866 - Russian (OEM)
/ 857 - Turkish (OEM)
/ 862 - Hebrew (OEM)
/ 874 - Thai (OEM, Windows)
/ 1 - ASCII only (Valid for non LFN cfg.)
*/
#define _USE_LFN 0 /* 0, 1 or 2 */
#define _MAX_LFN 255 /* Maximum LFN length to handle (12 to 255) */
/* The _USE_LFN option switches the LFN support.
/
/ 0: Disable LFN. _MAX_LFN and _LFN_UNICODE have no effect.
/ 1: Enable LFN with static working buffer on the bss. NOT REENTRANT.
/ 2: Enable LFN with dynamic working buffer on the STACK.
/
/ The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes. When enable LFN,
/ two Unicode handling functions ff_convert() and ff_wtoupper() must be added
/ to the project. */
#define _LFN_UNICODE 0 /* 0 or 1 */
/* To switch the character code set on FatFs API to Unicode,
/ enable LFN feature and set _LFN_UNICODE to 1.
*/
#define _FS_RPATH 0 /* 0 or 1 */
/* When _FS_RPATH is set to 1, relative path feature is enabled and f_chdir,
/ f_chdrive function are available.
/ Note that output of the f_readdir fnction is affected by this option. */
/*---------------------------------------------------------------------------/
/ Physical Drive Configurations
/----------------------------------------------------------------------------*/
#define _DRIVES 1
/* Number of volumes (logical drives) to be used. */
#define _MAX_SS 512 /* 512, 1024, 2048 or 4096 */
/* Maximum sector size to be handled.
/ Always set 512 for memory card and hard disk but a larger value may be
/ required for floppy disk (512/1024) and optical disk (512/2048).
/ When _MAX_SS is larger than 512, GET_SECTOR_SIZE command must be implememted
/ to the disk_ioctl function. */
#define _MULTI_PARTITION 0 /* 0 or 1 */
/* When _MULTI_PARTITION is set to 0, each volume is bound to the same physical
/ drive number and can mount only first primaly partition. When it is set to 1,
/ each volume is tied to the partitions listed in Drives[]. */
/*---------------------------------------------------------------------------/
/ System Configurations
/----------------------------------------------------------------------------*/
#define _WORD_ACCESS 1 /* 0 or 1 */
/* The _WORD_ACCESS option defines which access method is used to the word
/ data on the FAT volume.
/
/ 0: Byte-by-byte access. Always compatible with all platforms.
/ 1: Word access. Do not choose this unless following condition is met.
/
/ When the byte order on the memory is big-endian or address miss-aligned
/ word access results incorrect behavior, the _WORD_ACCESS must be set to 0.
/ If it is not the case, the value can also be set to 1 to improve the
/ performance and code size. */
#define _FS_REENTRANT 0 /* 0 or 1 */
#define _FS_TIMEOUT 1000 /* Timeout period in unit of time ticks */
#define _SYNC_t HANDLE /* O/S dependent type of sync object. e.g. HANDLE, OS_EVENT*, ID and etc.. */
/* The _FS_REENTRANT option switches the reentrancy of the FatFs module.
/
/ 0: Disable reentrancy. _SYNC_t and _FS_TIMEOUT have no effect.
/ 1: Enable reentrancy. Also user provided synchronization handlers,
/ ff_req_grant, ff_rel_grant, ff_del_syncobj and ff_cre_syncobj
/ function must be added to the project. */
#endif /* _FFCONFIG */

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/*-------------------------------------------*/
/* Integer type definitions for FatFs module */
/*-------------------------------------------*/
#ifndef _INTEGER
#if 0
#include <windows.h>
#else
/* These types must be 16-bit, 32-bit or larger integer */
typedef int INT;
typedef unsigned int UINT;
/* These types must be 8-bit integer */
typedef signed char CHAR;
typedef unsigned char UCHAR;
typedef unsigned char BYTE;
/* These types must be 16-bit integer */
typedef short SHORT;
typedef unsigned short USHORT;
typedef unsigned short WORD;
typedef unsigned short WCHAR;
/* These types must be 32-bit integer */
typedef long LONG;
typedef unsigned long ULONG;
typedef unsigned long DWORD;
/* Boolean type */
typedef enum { FALSE = 0, TRUE } BOOL;
#endif
#define _INTEGER
#endif
/*-------------------------------------------*/
/* Integer type definitions for FatFs module */
/*-------------------------------------------*/
#ifndef _INTEGER
#if 0
#include <windows.h>
#else
/* These types must be 16-bit, 32-bit or larger integer */
typedef int INT;
typedef unsigned int UINT;
/* These types must be 8-bit integer */
typedef signed char CHAR;
typedef unsigned char UCHAR;
typedef unsigned char BYTE;
/* These types must be 16-bit integer */
typedef short SHORT;
typedef unsigned short USHORT;
typedef unsigned short WORD;
typedef unsigned short WCHAR;
/* These types must be 32-bit integer */
typedef long LONG;
typedef unsigned long ULONG;
typedef unsigned long DWORD;
/* Boolean type */
typedef enum { FALSE = 0, TRUE } BOOL;
#endif
#define _INTEGER
#endif

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/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* Simple HTTP Webserver Application. When connected to the uIP stack,
* this will serve out files to HTTP clients on port 80.
*/
#define INCLUDE_FROM_HTTPSERVERAPP_C
#include "HTTPServerApp.h"
/** HTTP server response header, for transmission before the page contents. This indicates to the host that a page exists at the
* given location, and gives extra connection information.
*/
const char PROGMEM HTTP200Header[] = "HTTP/1.1 200 OK\r\n"
"Server: LUFA " LUFA_VERSION_STRING "\r\n"
"Connection: close\r\n"
"MIME-version: 1.0\r\n"
"Content-Type: ";
/** HTTP server response header, for transmission before a resource not found error. This indicates to the host that the given
* given URL is invalid, and gives extra error information.
*/
const char PROGMEM HTTP404Header[] = "HTTP/1.1 404 Not Found\r\n"
"Server: LUFA " LUFA_VERSION_STRING "\r\n"
"Connection: close\r\n"
"MIME-version: 1.0\r\n"
"Content-Type: text/plain\r\n\r\n"
"Error 404: File Not Found: /";
/** Default filename to fetch when a directory is requested */
const char PROGMEM DefaultDirFileName[] = "index.htm";
/** Default MIME type sent if no other MIME type can be determined. */
const char PROGMEM DefaultMIMEType[] = "text/plain";
/** List of MIME types for each supported file extension. */
const MIME_Type_t MIMETypes[] =
{
{.Extension = "htm", .MIMEType = "text/html"},
{.Extension = "jpg", .MIMEType = "image/jpeg"},
{.Extension = "gif", .MIMEType = "image/gif"},
{.Extension = "bmp", .MIMEType = "image/bmp"},
{.Extension = "png", .MIMEType = "image/png"},
{.Extension = "ico", .MIMEType = "image/x-icon"},
{.Extension = "exe", .MIMEType = "application/octet-stream"},
{.Extension = "gz", .MIMEType = "application/x-gzip"},
{.Extension = "zip", .MIMEType = "application/zip"},
{.Extension = "pdf", .MIMEType = "application/pdf"},
};
/** FATFs structure to hold the internal state of the FAT driver for the dataflash contents. */
FATFS DiskFATState;
/** Initialization function for the simple HTTP webserver. */
void HTTPServerApp_Init(void)
{
/* Listen on port 80 for HTTP connections from hosts */
uip_listen(HTONS(HTTP_SERVER_PORT));
/* Mount the dataflash disk via FatFS */
f_mount(0, &DiskFATState);
}
/** uIP stack application callback for the simple HTTP webserver. This function must be called each time the
* TCP/IP stack needs a TCP packet to be processed.
*/
void HTTPServerApp_Callback(void)
{
uip_tcp_appstate_t* const AppState = &uip_conn->appstate;
if (uip_aborted() || uip_timedout() || uip_closed())
{
/* Lock to the closed state so that no further processing will occur on the connection */
AppState->HTTPServer.CurrentState = WEBSERVER_STATE_Closing;
AppState->HTTPServer.NextState = WEBSERVER_STATE_Closing;
}
if (uip_connected())
{
/* New connection - initialize connection state values */
AppState->HTTPServer.CurrentState = WEBSERVER_STATE_OpenRequestedFile;
AppState->HTTPServer.NextState = WEBSERVER_STATE_OpenRequestedFile;
AppState->HTTPServer.FileOpen = false;
AppState->HTTPServer.ACKedFilePos = 0;
AppState->HTTPServer.SentChunkSize = 0;
}
if (uip_acked())
{
/* Add the amount of ACKed file data to the total sent file bytes counter */
AppState->HTTPServer.ACKedFilePos += AppState->HTTPServer.SentChunkSize;
/* Progress to the next state once the current state's data has been ACKed */
AppState->HTTPServer.CurrentState = AppState->HTTPServer.NextState;
}
if (uip_rexmit())
{
/* Return file pointer to the last ACKed position */
f_lseek(&AppState->HTTPServer.FileHandle, AppState->HTTPServer.ACKedFilePos);
}
if (uip_rexmit() || uip_acked() || uip_newdata() || uip_connected() || uip_poll())
{
switch (AppState->HTTPServer.CurrentState)
{
case WEBSERVER_STATE_OpenRequestedFile:
HTTPServerApp_OpenRequestedFile();
break;
case WEBSERVER_STATE_SendResponseHeader:
HTTPServerApp_SendResponseHeader();
break;
case WEBSERVER_STATE_SendData:
HTTPServerApp_SendData();
break;
case WEBSERVER_STATE_Closing:
/* Connection is being terminated for some reason - close file handle */
f_close(&AppState->HTTPServer.FileHandle);
AppState->HTTPServer.FileOpen = false;
/* If connection is not already closed, close it */
uip_close();
AppState->HTTPServer.CurrentState = WEBSERVER_STATE_Closed;
AppState->HTTPServer.NextState = WEBSERVER_STATE_Closed;
break;
}
}
}
/** HTTP Server State handler for the Request Process state. This state manages the processing of incoming HTTP
* GET requests to the server from the receiving HTTP client.
*/
static void HTTPServerApp_OpenRequestedFile(void)
{
uip_tcp_appstate_t* const AppState = &uip_conn->appstate;
char* const AppData = (char*)uip_appdata;
/* No HTTP header received from the client, abort processing */
if (!(uip_newdata()))
return;
char* RequestToken = strtok(AppData, " ");
char* RequestedFileName = strtok(NULL, " ");
/* Must be a GET request, abort otherwise */
if (strcmp_P(RequestToken, PSTR("GET")) != 0)
{
uip_abort();
return;
}
/* Copy over the requested filename */
strncpy(AppState->HTTPServer.FileName, &RequestedFileName[1], (sizeof(AppState->HTTPServer.FileName) - 1));
/* Ensure filename is null-terminated */
AppState->HTTPServer.FileName[sizeof(AppState->HTTPServer.FileName) - 1] = 0x00;
/* Determine the length of the URI so that it can be checked to see if it is a directory */
uint8_t FileNameLen = strlen(AppState->HTTPServer.FileName);
/* If the URI is a directory, append the default filename */
if (AppState->HTTPServer.FileName[FileNameLen - 1] == '/')
{
strncpy_P(&AppState->HTTPServer.FileName[FileNameLen], DefaultDirFileName,
(sizeof(AppState->HTTPServer.FileName) - FileNameLen));
/* Ensure altered filename is still null-terminated */
AppState->HTTPServer.FileName[sizeof(AppState->HTTPServer.FileName) - 1] = 0x00;
}
/* Try to open the file from the Dataflash disk */
AppState->HTTPServer.FileOpen = (f_open(&AppState->HTTPServer.FileHandle, AppState->HTTPServer.FileName,
(FA_OPEN_EXISTING | FA_READ)) == FR_OK);
/* Lock to the SendResponseHeader state until connection terminated */
AppState->HTTPServer.CurrentState = WEBSERVER_STATE_SendResponseHeader;
AppState->HTTPServer.NextState = WEBSERVER_STATE_SendResponseHeader;
}
/** HTTP Server State handler for the HTTP Response Header Send state. This state manages the transmission of
* the HTTP response header to the receiving HTTP client.
*/
static void HTTPServerApp_SendResponseHeader(void)
{
uip_tcp_appstate_t* const AppState = &uip_conn->appstate;
char* const AppData = (char*)uip_appdata;
char* Extension = strpbrk(AppState->HTTPServer.FileName, ".");
bool FoundMIMEType = false;
/* If the file isn't already open, it wasn't found - send back a 404 error response and abort */
if (!(AppState->HTTPServer.FileOpen))
{
/* Copy over the HTTP 404 response header and send it to the receiving client */
strcpy_P(AppData, HTTP404Header);
strcpy(&AppData[strlen(AppData)], AppState->HTTPServer.FileName);
uip_send(AppData, strlen(AppData));
AppState->HTTPServer.NextState = WEBSERVER_STATE_Closing;
return;
}
/* Copy over the HTTP 200 response header and send it to the receiving client */
strcpy_P(AppData, HTTP200Header);
/* Check to see if a MIME type for the requested file's extension was found */
if (Extension != NULL)
{
/* Look through the MIME type list, copy over the required MIME type if found */
for (uint8_t i = 0; i < (sizeof(MIMETypes) / sizeof(MIMETypes[0])); i++)
{
if (strcmp(&Extension[1], MIMETypes[i].Extension) == 0)
{
strcpy(&AppData[strlen(AppData)], MIMETypes[i].MIMEType);
FoundMIMEType = true;
break;
}
}
}
/* Check if a MIME type was found and copied to the output buffer */
if (!(FoundMIMEType))
{
/* MIME type not found - copy over the default MIME type */
strcpy_P(&AppData[strlen(AppData)], DefaultMIMEType);
}
/* Add the end-of-line terminator and end-of-headers terminator after the MIME type */
strcpy_P(&AppData[strlen(AppData)], PSTR("\r\n\r\n"));
/* Send the MIME header to the receiving client */
uip_send(AppData, strlen(AppData));
/* When the MIME header is ACKed, progress to the data send stage */
AppState->HTTPServer.NextState = WEBSERVER_STATE_SendData;
}
/** HTTP Server State handler for the Data Send state. This state manages the transmission of file chunks
* to the receiving HTTP client.
*/
static void HTTPServerApp_SendData(void)
{
uip_tcp_appstate_t* const AppState = &uip_conn->appstate;
char* const AppData = (char*)uip_appdata;
/* Get the maximum segment size for the current packet */
uint16_t MaxChunkSize = uip_mss();
/* Read the next chunk of data from the open file */
f_read(&AppState->HTTPServer.FileHandle, AppData, MaxChunkSize, &AppState->HTTPServer.SentChunkSize);
/* Send the next file chunk to the receiving client */
uip_send(AppData, AppState->HTTPServer.SentChunkSize);
/* Check if we are at the last chunk of the file, if so next ACK should close the connection */
if (MaxChunkSize != AppState->HTTPServer.SentChunkSize)
AppState->HTTPServer.NextState = WEBSERVER_STATE_Closing;
}
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* Simple HTTP Webserver Application. When connected to the uIP stack,
* this will serve out files to HTTP clients on port 80.
*/
#define INCLUDE_FROM_HTTPSERVERAPP_C
#include "HTTPServerApp.h"
/** HTTP server response header, for transmission before the page contents. This indicates to the host that a page exists at the
* given location, and gives extra connection information.
*/
const char PROGMEM HTTP200Header[] = "HTTP/1.1 200 OK\r\n"
"Server: LUFA " LUFA_VERSION_STRING "\r\n"
"Connection: close\r\n"
"MIME-version: 1.0\r\n"
"Content-Type: ";
/** HTTP server response header, for transmission before a resource not found error. This indicates to the host that the given
* given URL is invalid, and gives extra error information.
*/
const char PROGMEM HTTP404Header[] = "HTTP/1.1 404 Not Found\r\n"
"Server: LUFA " LUFA_VERSION_STRING "\r\n"
"Connection: close\r\n"
"MIME-version: 1.0\r\n"
"Content-Type: text/plain\r\n\r\n"
"Error 404: File Not Found: /";
/** Default filename to fetch when a directory is requested */
const char PROGMEM DefaultDirFileName[] = "index.htm";
/** Default MIME type sent if no other MIME type can be determined. */
const char PROGMEM DefaultMIMEType[] = "text/plain";
/** List of MIME types for each supported file extension. */
const MIME_Type_t MIMETypes[] =
{
{.Extension = "htm", .MIMEType = "text/html"},
{.Extension = "jpg", .MIMEType = "image/jpeg"},
{.Extension = "gif", .MIMEType = "image/gif"},
{.Extension = "bmp", .MIMEType = "image/bmp"},
{.Extension = "png", .MIMEType = "image/png"},
{.Extension = "ico", .MIMEType = "image/x-icon"},
{.Extension = "exe", .MIMEType = "application/octet-stream"},
{.Extension = "gz", .MIMEType = "application/x-gzip"},
{.Extension = "zip", .MIMEType = "application/zip"},
{.Extension = "pdf", .MIMEType = "application/pdf"},
};
/** FATFs structure to hold the internal state of the FAT driver for the dataflash contents. */
FATFS DiskFATState;
/** Initialization function for the simple HTTP webserver. */
void HTTPServerApp_Init(void)
{
/* Listen on port 80 for HTTP connections from hosts */
uip_listen(HTONS(HTTP_SERVER_PORT));
/* Mount the dataflash disk via FatFS */
f_mount(0, &DiskFATState);
}
/** uIP stack application callback for the simple HTTP webserver. This function must be called each time the
* TCP/IP stack needs a TCP packet to be processed.
*/
void HTTPServerApp_Callback(void)
{
uip_tcp_appstate_t* const AppState = &uip_conn->appstate;
if (uip_aborted() || uip_timedout() || uip_closed())
{
/* Lock to the closed state so that no further processing will occur on the connection */
AppState->HTTPServer.CurrentState = WEBSERVER_STATE_Closing;
AppState->HTTPServer.NextState = WEBSERVER_STATE_Closing;
}
if (uip_connected())
{
/* New connection - initialize connection state values */
AppState->HTTPServer.CurrentState = WEBSERVER_STATE_OpenRequestedFile;
AppState->HTTPServer.NextState = WEBSERVER_STATE_OpenRequestedFile;
AppState->HTTPServer.FileOpen = false;
AppState->HTTPServer.ACKedFilePos = 0;
AppState->HTTPServer.SentChunkSize = 0;
}
if (uip_acked())
{
/* Add the amount of ACKed file data to the total sent file bytes counter */
AppState->HTTPServer.ACKedFilePos += AppState->HTTPServer.SentChunkSize;
/* Progress to the next state once the current state's data has been ACKed */
AppState->HTTPServer.CurrentState = AppState->HTTPServer.NextState;
}
if (uip_rexmit())
{
/* Return file pointer to the last ACKed position */
f_lseek(&AppState->HTTPServer.FileHandle, AppState->HTTPServer.ACKedFilePos);
}
if (uip_rexmit() || uip_acked() || uip_newdata() || uip_connected() || uip_poll())
{
switch (AppState->HTTPServer.CurrentState)
{
case WEBSERVER_STATE_OpenRequestedFile:
HTTPServerApp_OpenRequestedFile();
break;
case WEBSERVER_STATE_SendResponseHeader:
HTTPServerApp_SendResponseHeader();
break;
case WEBSERVER_STATE_SendData:
HTTPServerApp_SendData();
break;
case WEBSERVER_STATE_Closing:
/* Connection is being terminated for some reason - close file handle */
f_close(&AppState->HTTPServer.FileHandle);
AppState->HTTPServer.FileOpen = false;
/* If connection is not already closed, close it */
uip_close();
AppState->HTTPServer.CurrentState = WEBSERVER_STATE_Closed;
AppState->HTTPServer.NextState = WEBSERVER_STATE_Closed;
break;
}
}
}
/** HTTP Server State handler for the Request Process state. This state manages the processing of incoming HTTP
* GET requests to the server from the receiving HTTP client.
*/
static void HTTPServerApp_OpenRequestedFile(void)
{
uip_tcp_appstate_t* const AppState = &uip_conn->appstate;
char* const AppData = (char*)uip_appdata;
/* No HTTP header received from the client, abort processing */
if (!(uip_newdata()))
return;
char* RequestToken = strtok(AppData, " ");
char* RequestedFileName = strtok(NULL, " ");
/* Must be a GET request, abort otherwise */
if (strcmp_P(RequestToken, PSTR("GET")) != 0)
{
uip_abort();
return;
}
/* Copy over the requested filename */
strncpy(AppState->HTTPServer.FileName, &RequestedFileName[1], (sizeof(AppState->HTTPServer.FileName) - 1));
/* Ensure filename is null-terminated */
AppState->HTTPServer.FileName[sizeof(AppState->HTTPServer.FileName) - 1] = 0x00;
/* Determine the length of the URI so that it can be checked to see if it is a directory */
uint8_t FileNameLen = strlen(AppState->HTTPServer.FileName);
/* If the URI is a directory, append the default filename */
if (AppState->HTTPServer.FileName[FileNameLen - 1] == '/')
{
strncpy_P(&AppState->HTTPServer.FileName[FileNameLen], DefaultDirFileName,
(sizeof(AppState->HTTPServer.FileName) - FileNameLen));
/* Ensure altered filename is still null-terminated */
AppState->HTTPServer.FileName[sizeof(AppState->HTTPServer.FileName) - 1] = 0x00;
}
/* Try to open the file from the Dataflash disk */
AppState->HTTPServer.FileOpen = (f_open(&AppState->HTTPServer.FileHandle, AppState->HTTPServer.FileName,
(FA_OPEN_EXISTING | FA_READ)) == FR_OK);
/* Lock to the SendResponseHeader state until connection terminated */
AppState->HTTPServer.CurrentState = WEBSERVER_STATE_SendResponseHeader;
AppState->HTTPServer.NextState = WEBSERVER_STATE_SendResponseHeader;
}
/** HTTP Server State handler for the HTTP Response Header Send state. This state manages the transmission of
* the HTTP response header to the receiving HTTP client.
*/
static void HTTPServerApp_SendResponseHeader(void)
{
uip_tcp_appstate_t* const AppState = &uip_conn->appstate;
char* const AppData = (char*)uip_appdata;
char* Extension = strpbrk(AppState->HTTPServer.FileName, ".");
bool FoundMIMEType = false;
/* If the file isn't already open, it wasn't found - send back a 404 error response and abort */
if (!(AppState->HTTPServer.FileOpen))
{
/* Copy over the HTTP 404 response header and send it to the receiving client */
strcpy_P(AppData, HTTP404Header);
strcpy(&AppData[strlen(AppData)], AppState->HTTPServer.FileName);
uip_send(AppData, strlen(AppData));
AppState->HTTPServer.NextState = WEBSERVER_STATE_Closing;
return;
}
/* Copy over the HTTP 200 response header and send it to the receiving client */
strcpy_P(AppData, HTTP200Header);
/* Check to see if a MIME type for the requested file's extension was found */
if (Extension != NULL)
{
/* Look through the MIME type list, copy over the required MIME type if found */
for (uint8_t i = 0; i < (sizeof(MIMETypes) / sizeof(MIMETypes[0])); i++)
{
if (strcmp(&Extension[1], MIMETypes[i].Extension) == 0)
{
strcpy(&AppData[strlen(AppData)], MIMETypes[i].MIMEType);
FoundMIMEType = true;
break;
}
}
}
/* Check if a MIME type was found and copied to the output buffer */
if (!(FoundMIMEType))
{
/* MIME type not found - copy over the default MIME type */
strcpy_P(&AppData[strlen(AppData)], DefaultMIMEType);
}
/* Add the end-of-line terminator and end-of-headers terminator after the MIME type */
strcpy_P(&AppData[strlen(AppData)], PSTR("\r\n\r\n"));
/* Send the MIME header to the receiving client */
uip_send(AppData, strlen(AppData));
/* When the MIME header is ACKed, progress to the data send stage */
AppState->HTTPServer.NextState = WEBSERVER_STATE_SendData;
}
/** HTTP Server State handler for the Data Send state. This state manages the transmission of file chunks
* to the receiving HTTP client.
*/
static void HTTPServerApp_SendData(void)
{
uip_tcp_appstate_t* const AppState = &uip_conn->appstate;
char* const AppData = (char*)uip_appdata;
/* Get the maximum segment size for the current packet */
uint16_t MaxChunkSize = uip_mss();
/* Read the next chunk of data from the open file */
f_read(&AppState->HTTPServer.FileHandle, AppData, MaxChunkSize, &AppState->HTTPServer.SentChunkSize);
/* Send the next file chunk to the receiving client */
uip_send(AppData, AppState->HTTPServer.SentChunkSize);
/* Check if we are at the last chunk of the file, if so next ACK should close the connection */
if (MaxChunkSize != AppState->HTTPServer.SentChunkSize)
AppState->HTTPServer.NextState = WEBSERVER_STATE_Closing;
}

162
Projects/Webserver/Lib/HTTPServerApp.h
View file

@ -1,81 +1,81 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* Header file for HTTPServerApp.c.
*/
#ifndef _HTTPSERVER_APP_H_
#define _HTTPSERVER_APP_H_
/* Includes: */
#include <avr/pgmspace.h>
#include <string.h>
#include <LUFA/Version.h>
#include <uip.h>
#include <ff.h>
/* Enums: */
/** States for each HTTP connection to the webserver. */
enum Webserver_States_t
{
WEBSERVER_STATE_OpenRequestedFile, /**< Currently opening requested file */
WEBSERVER_STATE_SendResponseHeader, /**< Currently sending HTTP response headers to the client */
WEBSERVER_STATE_SendData, /**< Currently sending HTTP page data to the client */
WEBSERVER_STATE_Closing, /**< Ready to close the connection to the client */
WEBSERVER_STATE_Closed, /**< Connection closed after all data sent */
};
/* Type Defines: */
/** Type define for a MIME type handler. */
typedef struct
{
char* Extension; /**< File extension (no leading '.' character) */
char* MIMEType; /**< Appropriate MIME type to send when the extension is encountered */
} MIME_Type_t;
/* Macros: */
/** TCP listen port for incoming HTTP traffic */
#define HTTP_SERVER_PORT 80
/* Function Prototypes: */
void HTTPServerApp_Init(void);
void HTTPServerApp_Callback(void);
#if defined(INCLUDE_FROM_HTTPSERVERAPP_C)
static void HTTPServerApp_OpenRequestedFile(void);
static void HTTPServerApp_SendResponseHeader(void);
static void HTTPServerApp_SendData(void);
#endif
#endif
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* Header file for HTTPServerApp.c.
*/
#ifndef _HTTPSERVER_APP_H_
#define _HTTPSERVER_APP_H_
/* Includes: */
#include <avr/pgmspace.h>
#include <string.h>
#include <LUFA/Version.h>
#include <uip.h>
#include <ff.h>
/* Enums: */
/** States for each HTTP connection to the webserver. */
enum Webserver_States_t
{
WEBSERVER_STATE_OpenRequestedFile, /**< Currently opening requested file */
WEBSERVER_STATE_SendResponseHeader, /**< Currently sending HTTP response headers to the client */
WEBSERVER_STATE_SendData, /**< Currently sending HTTP page data to the client */
WEBSERVER_STATE_Closing, /**< Ready to close the connection to the client */
WEBSERVER_STATE_Closed, /**< Connection closed after all data sent */
};
/* Type Defines: */
/** Type define for a MIME type handler. */
typedef struct
{
char* Extension; /**< File extension (no leading '.' character) */
char* MIMEType; /**< Appropriate MIME type to send when the extension is encountered */
} MIME_Type_t;
/* Macros: */
/** TCP listen port for incoming HTTP traffic */
#define HTTP_SERVER_PORT 80
/* Function Prototypes: */
void HTTPServerApp_Init(void);
void HTTPServerApp_Callback(void);
#if defined(INCLUDE_FROM_HTTPSERVERAPP_C)
static void HTTPServerApp_OpenRequestedFile(void);
static void HTTPServerApp_SendResponseHeader(void);
static void HTTPServerApp_SendData(void);
#endif
#endif

562
Projects/Webserver/Lib/SCSI.c
View file

@ -1,281 +1,281 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* SCSI command processing routines, for SCSI commands issued by the host. Mass Storage
* devices use a thin "Bulk-Only Transport" protocol for issuing commands and status information,
* which wrap around standard SCSI device commands for controlling the actual storage medium.
*/
#define INCLUDE_FROM_SCSI_C
#include "SCSI.h"
/** Structure to hold the SCSI response data to a SCSI INQUIRY command. This gives information about the device's
* features and capabilities.
*/
SCSI_Inquiry_Response_t InquiryData =
{
.DeviceType = DEVICE_TYPE_BLOCK,
.PeripheralQualifier = 0,
.Removable = true,
.Version = 0,
.ResponseDataFormat = 2,
.NormACA = false,
.TrmTsk = false,
.AERC = false,
.AdditionalLength = 0x1F,
.SoftReset = false,
.CmdQue = false,
.Linked = false,
.Sync = false,
.WideBus16Bit = false,
.WideBus32Bit = false,
.RelAddr = false,
.VendorID = "LUFA",
.ProductID = "Dataflash Disk",
.RevisionID = {'0','.','0','0'},
};
/** Structure to hold the sense data for the last issued SCSI command, which is returned to the host after a SCSI REQUEST SENSE
* command is issued. This gives information on exactly why the last command failed to complete.
*/
SCSI_Request_Sense_Response_t SenseData =
{
.ResponseCode = 0x70,
.AdditionalLength = 0x0A,
};
/** Main routine to process the SCSI command located in the Command Block Wrapper read from the host. This dispatches
* to the appropriate SCSI command handling routine if the issued command is supported by the device, else it returns
* a command failure due to a ILLEGAL REQUEST.
*
* \param[in] MSInterfaceInfo Pointer to the Mass Storage class interface structure that the command is associated with
*/
bool SCSI_DecodeSCSICommand(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
{
/* Set initial sense data, before the requested command is processed */
SCSI_SET_SENSE(SCSI_SENSE_KEY_GOOD,
SCSI_ASENSE_NO_ADDITIONAL_INFORMATION,
SCSI_ASENSEQ_NO_QUALIFIER);
/* Run the appropriate SCSI command hander function based on the passed command */
switch (MSInterfaceInfo->State.CommandBlock.SCSICommandData[0])
{
case SCSI_CMD_INQUIRY:
SCSI_Command_Inquiry(MSInterfaceInfo);
break;
case SCSI_CMD_REQUEST_SENSE:
SCSI_Command_Request_Sense(MSInterfaceInfo);
break;
case SCSI_CMD_READ_CAPACITY_10:
SCSI_Command_Read_Capacity_10(MSInterfaceInfo);
break;
case SCSI_CMD_SEND_DIAGNOSTIC:
SCSI_Command_Send_Diagnostic(MSInterfaceInfo);
break;
case SCSI_CMD_WRITE_10:
SCSI_Command_ReadWrite_10(MSInterfaceInfo, DATA_WRITE);
break;
case SCSI_CMD_READ_10:
SCSI_Command_ReadWrite_10(MSInterfaceInfo, DATA_READ);
break;
case SCSI_CMD_TEST_UNIT_READY:
case SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
case SCSI_CMD_VERIFY_10:
/* These commands should just succeed, no handling required */
MSInterfaceInfo->State.CommandBlock.DataTransferLength = 0;
break;
default:
/* Update the SENSE key to reflect the invalid command */
SCSI_SET_SENSE(SCSI_SENSE_KEY_ILLEGAL_REQUEST,
SCSI_ASENSE_INVALID_COMMAND,
SCSI_ASENSEQ_NO_QUALIFIER);
break;
}
return (SenseData.SenseKey == SCSI_SENSE_KEY_GOOD);
}
/** Command processing for an issued SCSI INQUIRY command. This command returns information about the device's features
* and capabilities to the host.
*
* \param[in] MSInterfaceInfo Pointer to the Mass Storage class interface structure that the command is associated with
*/
static void SCSI_Command_Inquiry(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
{
uint16_t AllocationLength = (((uint16_t)MSInterfaceInfo->State.CommandBlock.SCSICommandData[3] << 8) |
MSInterfaceInfo->State.CommandBlock.SCSICommandData[4]);
uint16_t BytesTransferred = (AllocationLength < sizeof(InquiryData))? AllocationLength :
sizeof(InquiryData);
/* Only the standard INQUIRY data is supported, check if any optional INQUIRY bits set */
if ((MSInterfaceInfo->State.CommandBlock.SCSICommandData[1] & ((1 << 0) | (1 << 1))) ||
MSInterfaceInfo->State.CommandBlock.SCSICommandData[2])
{
/* Optional but unsupported bits set - update the SENSE key and fail the request */
SCSI_SET_SENSE(SCSI_SENSE_KEY_ILLEGAL_REQUEST,
SCSI_ASENSE_INVALID_FIELD_IN_CDB,
SCSI_ASENSEQ_NO_QUALIFIER);
return;
}
Endpoint_Write_Stream_LE(&InquiryData, BytesTransferred, NO_STREAM_CALLBACK);
uint8_t PadBytes[AllocationLength - BytesTransferred];
/* Pad out remaining bytes with 0x00 */
Endpoint_Write_Stream_LE(&PadBytes, (AllocationLength - BytesTransferred), NO_STREAM_CALLBACK);
/* Finalize the stream transfer to send the last packet */
Endpoint_ClearIN();
/* Succeed the command and update the bytes transferred counter */
MSInterfaceInfo->State.CommandBlock.DataTransferLength -= BytesTransferred;
}
/** Command processing for an issued SCSI REQUEST SENSE command. This command returns information about the last issued command,
* including the error code and additional error information so that the host can determine why a command failed to complete.
*
* \param[in] MSInterfaceInfo Pointer to the Mass Storage class interface structure that the command is associated with
*/
static void SCSI_Command_Request_Sense(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
{
uint8_t AllocationLength = MSInterfaceInfo->State.CommandBlock.SCSICommandData[4];
uint8_t BytesTransferred = (AllocationLength < sizeof(SenseData))? AllocationLength : sizeof(SenseData);
uint8_t PadBytes[AllocationLength - BytesTransferred];
Endpoint_Write_Stream_LE(&SenseData, BytesTransferred, NO_STREAM_CALLBACK);
Endpoint_Write_Stream_LE(&PadBytes, (AllocationLength - BytesTransferred), NO_STREAM_CALLBACK);
Endpoint_ClearIN();
/* Succeed the command and update the bytes transferred counter */
MSInterfaceInfo->State.CommandBlock.DataTransferLength -= BytesTransferred;
}
/** Command processing for an issued SCSI READ CAPACITY (10) command. This command returns information about the device's capacity
* on the selected Logical Unit (drive), as a number of OS-sized blocks.
*
* \param[in] MSInterfaceInfo Pointer to the Mass Storage class interface structure that the command is associated with
*/
static void SCSI_Command_Read_Capacity_10(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
{
uint32_t LastBlockAddressInLUN = (VIRTUAL_MEMORY_BLOCKS - 1);
uint32_t MediaBlockSize = VIRTUAL_MEMORY_BLOCK_SIZE;
Endpoint_Write_Stream_BE(&LastBlockAddressInLUN, sizeof(LastBlockAddressInLUN), NO_STREAM_CALLBACK);
Endpoint_Write_Stream_BE(&MediaBlockSize, sizeof(MediaBlockSize), NO_STREAM_CALLBACK);
Endpoint_ClearIN();
/* Succeed the command and update the bytes transferred counter */
MSInterfaceInfo->State.CommandBlock.DataTransferLength -= 8;
}
/** Command processing for an issued SCSI SEND DIAGNOSTIC command. This command performs a quick check of the Dataflash ICs on the
* board, and indicates if they are present and functioning correctly. Only the Self-Test portion of the diagnostic command is
* supported.
*
* \param[in] MSInterfaceInfo Pointer to the Mass Storage class interface structure that the command is associated with
*/
static void SCSI_Command_Send_Diagnostic(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
{
/* Check to see if the SELF TEST bit is not set */
if (!(MSInterfaceInfo->State.CommandBlock.SCSICommandData[1] & (1 << 2)))
{
/* Only self-test supported - update SENSE key and fail the command */
SCSI_SET_SENSE(SCSI_SENSE_KEY_ILLEGAL_REQUEST,
SCSI_ASENSE_INVALID_FIELD_IN_CDB,
SCSI_ASENSEQ_NO_QUALIFIER);
return;
}
/* Check to see if all attached Dataflash ICs are functional */
if (!(DataflashManager_CheckDataflashOperation()))
{
/* Update SENSE key with a hardware error condition and return command fail */
SCSI_SET_SENSE(SCSI_SENSE_KEY_HARDWARE_ERROR,
SCSI_ASENSE_NO_ADDITIONAL_INFORMATION,
SCSI_ASENSEQ_NO_QUALIFIER);
return;
}
/* Succeed the command and update the bytes transferred counter */
MSInterfaceInfo->State.CommandBlock.DataTransferLength = 0;
}
/** Command processing for an issued SCSI READ (10) or WRITE (10) command. This command reads in the block start address
* and total number of blocks to process, then calls the appropriate low-level dataflash routine to handle the actual
* reading and writing of the data.
*
* \param[in] MSInterfaceInfo Pointer to the Mass Storage class interface structure that the command is associated with
* \param[in] IsDataRead Indicates if the command is a READ (10) command or WRITE (10) command (DATA_READ or DATA_WRITE)
*/
static void SCSI_Command_ReadWrite_10(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo, const bool IsDataRead)
{
uint32_t BlockAddress;
uint16_t TotalBlocks;
/* Load in the 32-bit block address (SCSI uses big-endian, so have to reverse the byte order) */
BlockAddress = SwapEndian_32(*(uint32_t*)&MSInterfaceInfo->State.CommandBlock.SCSICommandData[2]);
/* Load in the 16-bit total blocks (SCSI uses big-endian, so have to reverse the byte order) */
TotalBlocks = SwapEndian_16(*(uint32_t*)&MSInterfaceInfo->State.CommandBlock.SCSICommandData[7]);
/* Check if the block address is outside the maximum allowable value for the LUN */
if (BlockAddress >= VIRTUAL_MEMORY_BLOCKS)
{
/* Block address is invalid, update SENSE key and return command fail */
SCSI_SET_SENSE(SCSI_SENSE_KEY_ILLEGAL_REQUEST,
SCSI_ASENSE_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE,
SCSI_ASENSEQ_NO_QUALIFIER);
return;
}
/* Determine if the packet is a READ (10) or WRITE (10) command, call appropriate function */
if (IsDataRead == DATA_READ)
DataflashManager_ReadBlocks(MSInterfaceInfo, BlockAddress, TotalBlocks);
else
DataflashManager_WriteBlocks(MSInterfaceInfo, BlockAddress, TotalBlocks);
/* Update the bytes transferred counter and succeed the command */
MSInterfaceInfo->State.CommandBlock.DataTransferLength -= ((uint32_t)TotalBlocks * VIRTUAL_MEMORY_BLOCK_SIZE);
}
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* SCSI command processing routines, for SCSI commands issued by the host. Mass Storage
* devices use a thin "Bulk-Only Transport" protocol for issuing commands and status information,
* which wrap around standard SCSI device commands for controlling the actual storage medium.
*/
#define INCLUDE_FROM_SCSI_C
#include "SCSI.h"
/** Structure to hold the SCSI response data to a SCSI INQUIRY command. This gives information about the device's
* features and capabilities.
*/
SCSI_Inquiry_Response_t InquiryData =
{
.DeviceType = DEVICE_TYPE_BLOCK,
.PeripheralQualifier = 0,
.Removable = true,
.Version = 0,
.ResponseDataFormat = 2,
.NormACA = false,
.TrmTsk = false,
.AERC = false,
.AdditionalLength = 0x1F,
.SoftReset = false,
.CmdQue = false,
.Linked = false,
.Sync = false,
.WideBus16Bit = false,
.WideBus32Bit = false,
.RelAddr = false,
.VendorID = "LUFA",
.ProductID = "Dataflash Disk",
.RevisionID = {'0','.','0','0'},
};
/** Structure to hold the sense data for the last issued SCSI command, which is returned to the host after a SCSI REQUEST SENSE
* command is issued. This gives information on exactly why the last command failed to complete.
*/
SCSI_Request_Sense_Response_t SenseData =
{
.ResponseCode = 0x70,
.AdditionalLength = 0x0A,
};
/** Main routine to process the SCSI command located in the Command Block Wrapper read from the host. This dispatches
* to the appropriate SCSI command handling routine if the issued command is supported by the device, else it returns
* a command failure due to a ILLEGAL REQUEST.
*
* \param[in] MSInterfaceInfo Pointer to the Mass Storage class interface structure that the command is associated with
*/
bool SCSI_DecodeSCSICommand(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
{
/* Set initial sense data, before the requested command is processed */
SCSI_SET_SENSE(SCSI_SENSE_KEY_GOOD,
SCSI_ASENSE_NO_ADDITIONAL_INFORMATION,
SCSI_ASENSEQ_NO_QUALIFIER);
/* Run the appropriate SCSI command hander function based on the passed command */
switch (MSInterfaceInfo->State.CommandBlock.SCSICommandData[0])
{
case SCSI_CMD_INQUIRY:
SCSI_Command_Inquiry(MSInterfaceInfo);
break;
case SCSI_CMD_REQUEST_SENSE:
SCSI_Command_Request_Sense(MSInterfaceInfo);
break;
case SCSI_CMD_READ_CAPACITY_10:
SCSI_Command_Read_Capacity_10(MSInterfaceInfo);
break;
case SCSI_CMD_SEND_DIAGNOSTIC:
SCSI_Command_Send_Diagnostic(MSInterfaceInfo);
break;
case SCSI_CMD_WRITE_10:
SCSI_Command_ReadWrite_10(MSInterfaceInfo, DATA_WRITE);
break;
case SCSI_CMD_READ_10:
SCSI_Command_ReadWrite_10(MSInterfaceInfo, DATA_READ);
break;
case SCSI_CMD_TEST_UNIT_READY:
case SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
case SCSI_CMD_VERIFY_10:
/* These commands should just succeed, no handling required */
MSInterfaceInfo->State.CommandBlock.DataTransferLength = 0;
break;
default:
/* Update the SENSE key to reflect the invalid command */
SCSI_SET_SENSE(SCSI_SENSE_KEY_ILLEGAL_REQUEST,
SCSI_ASENSE_INVALID_COMMAND,
SCSI_ASENSEQ_NO_QUALIFIER);
break;
}
return (SenseData.SenseKey == SCSI_SENSE_KEY_GOOD);
}
/** Command processing for an issued SCSI INQUIRY command. This command returns information about the device's features
* and capabilities to the host.
*
* \param[in] MSInterfaceInfo Pointer to the Mass Storage class interface structure that the command is associated with
*/
static void SCSI_Command_Inquiry(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
{
uint16_t AllocationLength = (((uint16_t)MSInterfaceInfo->State.CommandBlock.SCSICommandData[3] << 8) |
MSInterfaceInfo->State.CommandBlock.SCSICommandData[4]);
uint16_t BytesTransferred = (AllocationLength < sizeof(InquiryData))? AllocationLength :
sizeof(InquiryData);
/* Only the standard INQUIRY data is supported, check if any optional INQUIRY bits set */
if ((MSInterfaceInfo->State.CommandBlock.SCSICommandData[1] & ((1 << 0) | (1 << 1))) ||
MSInterfaceInfo->State.CommandBlock.SCSICommandData[2])
{
/* Optional but unsupported bits set - update the SENSE key and fail the request */
SCSI_SET_SENSE(SCSI_SENSE_KEY_ILLEGAL_REQUEST,
SCSI_ASENSE_INVALID_FIELD_IN_CDB,
SCSI_ASENSEQ_NO_QUALIFIER);
return;
}
Endpoint_Write_Stream_LE(&InquiryData, BytesTransferred, NO_STREAM_CALLBACK);
uint8_t PadBytes[AllocationLength - BytesTransferred];
/* Pad out remaining bytes with 0x00 */
Endpoint_Write_Stream_LE(&PadBytes, (AllocationLength - BytesTransferred), NO_STREAM_CALLBACK);
/* Finalize the stream transfer to send the last packet */
Endpoint_ClearIN();
/* Succeed the command and update the bytes transferred counter */
MSInterfaceInfo->State.CommandBlock.DataTransferLength -= BytesTransferred;
}
/** Command processing for an issued SCSI REQUEST SENSE command. This command returns information about the last issued command,
* including the error code and additional error information so that the host can determine why a command failed to complete.
*
* \param[in] MSInterfaceInfo Pointer to the Mass Storage class interface structure that the command is associated with
*/
static void SCSI_Command_Request_Sense(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
{
uint8_t AllocationLength = MSInterfaceInfo->State.CommandBlock.SCSICommandData[4];
uint8_t BytesTransferred = (AllocationLength < sizeof(SenseData))? AllocationLength : sizeof(SenseData);
uint8_t PadBytes[AllocationLength - BytesTransferred];
Endpoint_Write_Stream_LE(&SenseData, BytesTransferred, NO_STREAM_CALLBACK);
Endpoint_Write_Stream_LE(&PadBytes, (AllocationLength - BytesTransferred), NO_STREAM_CALLBACK);
Endpoint_ClearIN();
/* Succeed the command and update the bytes transferred counter */
MSInterfaceInfo->State.CommandBlock.DataTransferLength -= BytesTransferred;
}
/** Command processing for an issued SCSI READ CAPACITY (10) command. This command returns information about the device's capacity
* on the selected Logical Unit (drive), as a number of OS-sized blocks.
*
* \param[in] MSInterfaceInfo Pointer to the Mass Storage class interface structure that the command is associated with
*/
static void SCSI_Command_Read_Capacity_10(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
{
uint32_t LastBlockAddressInLUN = (VIRTUAL_MEMORY_BLOCKS - 1);
uint32_t MediaBlockSize = VIRTUAL_MEMORY_BLOCK_SIZE;
Endpoint_Write_Stream_BE(&LastBlockAddressInLUN, sizeof(LastBlockAddressInLUN), NO_STREAM_CALLBACK);
Endpoint_Write_Stream_BE(&MediaBlockSize, sizeof(MediaBlockSize), NO_STREAM_CALLBACK);
Endpoint_ClearIN();
/* Succeed the command and update the bytes transferred counter */
MSInterfaceInfo->State.CommandBlock.DataTransferLength -= 8;
}
/** Command processing for an issued SCSI SEND DIAGNOSTIC command. This command performs a quick check of the Dataflash ICs on the
* board, and indicates if they are present and functioning correctly. Only the Self-Test portion of the diagnostic command is
* supported.
*
* \param[in] MSInterfaceInfo Pointer to the Mass Storage class interface structure that the command is associated with
*/
static void SCSI_Command_Send_Diagnostic(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
{
/* Check to see if the SELF TEST bit is not set */
if (!(MSInterfaceInfo->State.CommandBlock.SCSICommandData[1] & (1 << 2)))
{
/* Only self-test supported - update SENSE key and fail the command */
SCSI_SET_SENSE(SCSI_SENSE_KEY_ILLEGAL_REQUEST,
SCSI_ASENSE_INVALID_FIELD_IN_CDB,
SCSI_ASENSEQ_NO_QUALIFIER);
return;
}
/* Check to see if all attached Dataflash ICs are functional */
if (!(DataflashManager_CheckDataflashOperation()))
{
/* Update SENSE key with a hardware error condition and return command fail */
SCSI_SET_SENSE(SCSI_SENSE_KEY_HARDWARE_ERROR,
SCSI_ASENSE_NO_ADDITIONAL_INFORMATION,
SCSI_ASENSEQ_NO_QUALIFIER);
return;
}
/* Succeed the command and update the bytes transferred counter */
MSInterfaceInfo->State.CommandBlock.DataTransferLength = 0;
}
/** Command processing for an issued SCSI READ (10) or WRITE (10) command. This command reads in the block start address
* and total number of blocks to process, then calls the appropriate low-level dataflash routine to handle the actual
* reading and writing of the data.
*
* \param[in] MSInterfaceInfo Pointer to the Mass Storage class interface structure that the command is associated with
* \param[in] IsDataRead Indicates if the command is a READ (10) command or WRITE (10) command (DATA_READ or DATA_WRITE)
*/
static void SCSI_Command_ReadWrite_10(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo, const bool IsDataRead)
{
uint32_t BlockAddress;
uint16_t TotalBlocks;
/* Load in the 32-bit block address (SCSI uses big-endian, so have to reverse the byte order) */
BlockAddress = SwapEndian_32(*(uint32_t*)&MSInterfaceInfo->State.CommandBlock.SCSICommandData[2]);
/* Load in the 16-bit total blocks (SCSI uses big-endian, so have to reverse the byte order) */
TotalBlocks = SwapEndian_16(*(uint32_t*)&MSInterfaceInfo->State.CommandBlock.SCSICommandData[7]);
/* Check if the block address is outside the maximum allowable value for the LUN */
if (BlockAddress >= VIRTUAL_MEMORY_BLOCKS)
{
/* Block address is invalid, update SENSE key and return command fail */
SCSI_SET_SENSE(SCSI_SENSE_KEY_ILLEGAL_REQUEST,
SCSI_ASENSE_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE,
SCSI_ASENSEQ_NO_QUALIFIER);
return;
}
/* Determine if the packet is a READ (10) or WRITE (10) command, call appropriate function */
if (IsDataRead == DATA_READ)
DataflashManager_ReadBlocks(MSInterfaceInfo, BlockAddress, TotalBlocks);
else
DataflashManager_WriteBlocks(MSInterfaceInfo, BlockAddress, TotalBlocks);
/* Update the bytes transferred counter and succeed the command */
MSInterfaceInfo->State.CommandBlock.DataTransferLength -= ((uint32_t)TotalBlocks * VIRTUAL_MEMORY_BLOCK_SIZE);
}

170
Projects/Webserver/Lib/SCSI.h
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@ -1,85 +1,85 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* Header file for SCSI.c.
*/
#ifndef _SCSI_H_
#define _SCSI_H_
/* Includes: */
#include <avr/io.h>
#include <avr/pgmspace.h>
#include <LUFA/Drivers/USB/USB.h>
#include <LUFA/Drivers/USB/Class/MassStorage.h>
#include "../Descriptors.h"
#include "DataflashManager.h"
/* Macros: */
/** Macro to set the current SCSI sense data to the given key, additional sense code and additional sense qualifier. This
* is for convenience, as it allows for all three sense values (returned upon request to the host to give information about
* the last command failure) in a quick and easy manner.
*
* \param[in] key New SCSI sense key to set the sense code to
* \param[in] acode New SCSI additional sense key to set the additional sense code to
* \param[in] aqual New SCSI additional sense key qualifier to set the additional sense qualifier code to
*/
#define SCSI_SET_SENSE(key, acode, aqual) MACROS{ SenseData.SenseKey = (key); \
SenseData.AdditionalSenseCode = (acode); \
SenseData.AdditionalSenseQualifier = (aqual); }MACROE
/** Macro for the SCSI_Command_ReadWrite_10() function, to indicate that data is to be read from the storage medium. */
#define DATA_READ true
/** Macro for the SCSI_Command_ReadWrite_10() function, to indicate that data is to be written to the storage medium. */
#define DATA_WRITE false
/** Value for the DeviceType entry in the SCSI_Inquiry_Response_t enum, indicating a Block Media device. */
#define DEVICE_TYPE_BLOCK 0x00
/** Value for the DeviceType entry in the SCSI_Inquiry_Response_t enum, indicating a CD-ROM device. */
#define DEVICE_TYPE_CDROM 0x05
/* Function Prototypes: */
bool SCSI_DecodeSCSICommand(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo);
#if defined(INCLUDE_FROM_SCSI_C)
static void SCSI_Command_Inquiry(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo);
static void SCSI_Command_Request_Sense(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo);
static void SCSI_Command_Read_Capacity_10(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo);
static void SCSI_Command_Send_Diagnostic(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo);
static void SCSI_Command_ReadWrite_10(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo, const bool IsDataRead);
#endif
#endif
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* Header file for SCSI.c.
*/
#ifndef _SCSI_H_
#define _SCSI_H_
/* Includes: */
#include <avr/io.h>
#include <avr/pgmspace.h>
#include <LUFA/Drivers/USB/USB.h>
#include <LUFA/Drivers/USB/Class/MassStorage.h>
#include "../Descriptors.h"
#include "DataflashManager.h"
/* Macros: */
/** Macro to set the current SCSI sense data to the given key, additional sense code and additional sense qualifier. This
* is for convenience, as it allows for all three sense values (returned upon request to the host to give information about
* the last command failure) in a quick and easy manner.
*
* \param[in] key New SCSI sense key to set the sense code to
* \param[in] acode New SCSI additional sense key to set the additional sense code to
* \param[in] aqual New SCSI additional sense key qualifier to set the additional sense qualifier code to
*/
#define SCSI_SET_SENSE(key, acode, aqual) MACROS{ SenseData.SenseKey = (key); \
SenseData.AdditionalSenseCode = (acode); \
SenseData.AdditionalSenseQualifier = (aqual); }MACROE
/** Macro for the SCSI_Command_ReadWrite_10() function, to indicate that data is to be read from the storage medium. */
#define DATA_READ true
/** Macro for the SCSI_Command_ReadWrite_10() function, to indicate that data is to be written to the storage medium. */
#define DATA_WRITE false
/** Value for the DeviceType entry in the SCSI_Inquiry_Response_t enum, indicating a Block Media device. */
#define DEVICE_TYPE_BLOCK 0x00
/** Value for the DeviceType entry in the SCSI_Inquiry_Response_t enum, indicating a CD-ROM device. */
#define DEVICE_TYPE_CDROM 0x05
/* Function Prototypes: */
bool SCSI_DecodeSCSICommand(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo);
#if defined(INCLUDE_FROM_SCSI_C)
static void SCSI_Command_Inquiry(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo);
static void SCSI_Command_Request_Sense(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo);
static void SCSI_Command_Read_Capacity_10(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo);
static void SCSI_Command_Send_Diagnostic(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo);
static void SCSI_Command_ReadWrite_10(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo, const bool IsDataRead);
#endif
#endif

324
Projects/Webserver/Lib/TELNETServerApp.c
View file

@ -1,162 +1,162 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
#if defined(ENABLE_TELNET_SERVER) || defined(__DOXYGEN__)
/** \file
*
* TELNET Webserver Application. When connected to the uIP stack,
* this will serve out raw TELNET to the client on port 23.
*/
#define INCLUDE_FROM_TELNETSERVERAPP_C
#include "TELNETServerApp.h"
/** Welcome message to send to a TELNET client when a connection is first made. */
const char PROGMEM WelcomeHeader[] = "********************************************\r\n"
"* LUFA uIP Webserver (TELNET) *\r\n"
"********************************************\r\n";
/** Main TELNET menu, giving the user the list of available commands they may issue */
const char PROGMEM TELNETMenu[] = "\r\n"
" == Available Commands: ==\r\n"
" c) List Active TCP Connections\r\n"
" =========================\r\n"
"\r\n>";
/** Header to print before the current connections are printed to the client */
const char PROGMEM CurrentConnectionsHeader[] = "\r\n* Current TCP Connections: *\r\n";
/** Initialization function for the simple HTTP webserver. */
void TELNETServerApp_Init(void)
{
/* Listen on port 23 for TELNET connections from hosts */
uip_listen(HTONS(TELNET_SERVER_PORT));
}
/** uIP stack application callback for the TELNET server. This function must be called each time the
* TCP/IP stack needs a TCP packet to be processed.
*/
void TELNETServerApp_Callback(void)
{
uip_tcp_appstate_t* const AppState = &uip_conn->appstate;
char* const AppData = (char*)uip_appdata;
if (uip_connected())
{
/* New connection - initialize connection state values */
AppState->TELNETServer.CurrentState = TELNET_STATE_SendHeader;
}
if (uip_acked())
{
/* Progress to the next state once the current state's data has been ACKed */
AppState->TELNETServer.CurrentState = AppState->TELNETServer.NextState;
}
if (uip_rexmit() || uip_acked() || uip_newdata() || uip_connected() || uip_poll())
{
switch (AppState->TELNETServer.CurrentState)
{
case TELNET_STATE_SendHeader:
/* Copy over and send the TELNET welcome message upon first connection */
strcpy_P(AppData, WelcomeHeader);
uip_send(AppData, strlen(AppData));
AppState->TELNETServer.NextState = TELNET_STATE_SendMenu;
break;
case TELNET_STATE_SendMenu:
/* Copy over and send the TELNET menu to the client */
strcpy_P(AppData, TELNETMenu);
uip_send(AppData, strlen(AppData));
AppState->TELNETServer.NextState = TELNET_STATE_GetCommand;
break;
case TELNET_STATE_GetCommand:
if (!(uip_datalen()))
break;
/* Save the issued command for later processing */
AppState->TELNETServer.IssuedCommand = AppData[0];
AppState->TELNETServer.CurrentState = TELNET_STATE_SendResponse;
break;
case TELNET_STATE_SendResponse:
/* Determine which command was issued, perform command processing */
switch (AppState->TELNETServer.IssuedCommand)
{
case 'c':
TELNETServerApp_DisplayTCPConnections();
break;
default:
strcpy_P(AppData, PSTR("Invalid Command.\r\n"));
uip_send(AppData, strlen(AppData));
break;
}
AppState->TELNETServer.NextState = TELNET_STATE_SendMenu;
break;
}
}
}
/** Sends a list of active TCP connections to the TELNET client. */
static void TELNETServerApp_DisplayTCPConnections(void)
{
char* const AppData = (char*)uip_appdata;
strcpy_P(AppData, CurrentConnectionsHeader);
uint16_t ResponseLen = strlen(AppData);
uint8_t ActiveConnCount = 0;
/* Loop through the complete uIP TCP connections list, looking for active connections */
for (uint8_t i = 0; i < UIP_CONNS; i++)
{
struct uip_conn* CurrConnection = &uip_conns[i];
/* If the connection is not closed, it is active and must be added to the out buffer */
if (CurrConnection->tcpstateflags != UIP_CLOSED)
{
/* Add the current connection's details to the out buffer */
ResponseLen += sprintf_P(&AppData[ResponseLen], PSTR("%u) %02d.%02d.%02d.%02d (Local %u, Remote %u)\r\n"),
++ActiveConnCount,
CurrConnection->ripaddr.u8[0],
CurrConnection->ripaddr.u8[1],
CurrConnection->ripaddr.u8[2],
CurrConnection->ripaddr.u8[3],
HTONS(CurrConnection->lport), HTONS(CurrConnection->rport));
}
}
uip_send(AppData, ResponseLen);
}
#endif
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
#if defined(ENABLE_TELNET_SERVER) || defined(__DOXYGEN__)
/** \file
*
* TELNET Webserver Application. When connected to the uIP stack,
* this will serve out raw TELNET to the client on port 23.
*/
#define INCLUDE_FROM_TELNETSERVERAPP_C
#include "TELNETServerApp.h"
/** Welcome message to send to a TELNET client when a connection is first made. */
const char PROGMEM WelcomeHeader[] = "********************************************\r\n"
"* LUFA uIP Webserver (TELNET) *\r\n"
"********************************************\r\n";
/** Main TELNET menu, giving the user the list of available commands they may issue */
const char PROGMEM TELNETMenu[] = "\r\n"
" == Available Commands: ==\r\n"
" c) List Active TCP Connections\r\n"
" =========================\r\n"
"\r\n>";
/** Header to print before the current connections are printed to the client */
const char PROGMEM CurrentConnectionsHeader[] = "\r\n* Current TCP Connections: *\r\n";
/** Initialization function for the simple HTTP webserver. */
void TELNETServerApp_Init(void)
{
/* Listen on port 23 for TELNET connections from hosts */
uip_listen(HTONS(TELNET_SERVER_PORT));
}
/** uIP stack application callback for the TELNET server. This function must be called each time the
* TCP/IP stack needs a TCP packet to be processed.
*/
void TELNETServerApp_Callback(void)
{
uip_tcp_appstate_t* const AppState = &uip_conn->appstate;
char* const AppData = (char*)uip_appdata;
if (uip_connected())
{
/* New connection - initialize connection state values */
AppState->TELNETServer.CurrentState = TELNET_STATE_SendHeader;
}
if (uip_acked())
{
/* Progress to the next state once the current state's data has been ACKed */
AppState->TELNETServer.CurrentState = AppState->TELNETServer.NextState;
}
if (uip_rexmit() || uip_acked() || uip_newdata() || uip_connected() || uip_poll())
{
switch (AppState->TELNETServer.CurrentState)
{
case TELNET_STATE_SendHeader:
/* Copy over and send the TELNET welcome message upon first connection */
strcpy_P(AppData, WelcomeHeader);
uip_send(AppData, strlen(AppData));
AppState->TELNETServer.NextState = TELNET_STATE_SendMenu;
break;
case TELNET_STATE_SendMenu:
/* Copy over and send the TELNET menu to the client */
strcpy_P(AppData, TELNETMenu);
uip_send(AppData, strlen(AppData));
AppState->TELNETServer.NextState = TELNET_STATE_GetCommand;
break;
case TELNET_STATE_GetCommand:
if (!(uip_datalen()))
break;
/* Save the issued command for later processing */
AppState->TELNETServer.IssuedCommand = AppData[0];
AppState->TELNETServer.CurrentState = TELNET_STATE_SendResponse;
break;
case TELNET_STATE_SendResponse:
/* Determine which command was issued, perform command processing */
switch (AppState->TELNETServer.IssuedCommand)
{
case 'c':
TELNETServerApp_DisplayTCPConnections();
break;
default:
strcpy_P(AppData, PSTR("Invalid Command.\r\n"));
uip_send(AppData, strlen(AppData));
break;
}
AppState->TELNETServer.NextState = TELNET_STATE_SendMenu;
break;
}
}
}
/** Sends a list of active TCP connections to the TELNET client. */
static void TELNETServerApp_DisplayTCPConnections(void)
{
char* const AppData = (char*)uip_appdata;
strcpy_P(AppData, CurrentConnectionsHeader);
uint16_t ResponseLen = strlen(AppData);
uint8_t ActiveConnCount = 0;
/* Loop through the complete uIP TCP connections list, looking for active connections */
for (uint8_t i = 0; i < UIP_CONNS; i++)
{
struct uip_conn* CurrConnection = &uip_conns[i];
/* If the connection is not closed, it is active and must be added to the out buffer */
if (CurrConnection->tcpstateflags != UIP_CLOSED)
{
/* Add the current connection's details to the out buffer */
ResponseLen += sprintf_P(&AppData[ResponseLen], PSTR("%u) %02d.%02d.%02d.%02d (Local %u, Remote %u)\r\n"),
++ActiveConnCount,
CurrConnection->ripaddr.u8[0],
CurrConnection->ripaddr.u8[1],
CurrConnection->ripaddr.u8[2],
CurrConnection->ripaddr.u8[3],
HTONS(CurrConnection->lport), HTONS(CurrConnection->rport));
}
}
uip_send(AppData, ResponseLen);
}
#endif

136
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@ -1,68 +1,68 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* Header file for TELNETServerApp.c.
*/
#ifndef _TELNETSERVER_APP_H_
#define _TELNETSERVER_APP_H_
/* Includes: */
#include <avr/pgmspace.h>
#include <string.h>
#include <stdio.h>
#include <uip.h>
/* Macros: */
/** TCP listen port for incoming TELNET traffic */
#define TELNET_SERVER_PORT 23
/* Enums: */
/** States for each TELNET connection to the server. */
enum TELNET_States_t
{
TELNET_STATE_SendHeader, /**< Currently sending welcome header to the client */
TELNET_STATE_SendMenu, /**< Currently sending the command list menu to the client */
TELNET_STATE_GetCommand, /**< Currently waiting for a command from the client */
TELNET_STATE_SendResponse, /**< Processing the issued command and sending a response */
};
/* Function Prototypes: */
void TELNETServerApp_Init(void);
void TELNETServerApp_Callback(void);
#if defined(INCLUDE_FROM_TELNETSERVERAPP_C)
static void TELNETServerApp_DisplayTCPConnections(void);
#endif
#endif
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* Header file for TELNETServerApp.c.
*/
#ifndef _TELNETSERVER_APP_H_
#define _TELNETSERVER_APP_H_
/* Includes: */
#include <avr/pgmspace.h>
#include <string.h>
#include <stdio.h>
#include <uip.h>
/* Macros: */
/** TCP listen port for incoming TELNET traffic */
#define TELNET_SERVER_PORT 23
/* Enums: */
/** States for each TELNET connection to the server. */
enum TELNET_States_t
{
TELNET_STATE_SendHeader, /**< Currently sending welcome header to the client */
TELNET_STATE_SendMenu, /**< Currently sending the command list menu to the client */
TELNET_STATE_GetCommand, /**< Currently waiting for a command from the client */
TELNET_STATE_SendResponse, /**< Processing the issued command and sending a response */
};
/* Function Prototypes: */
void TELNETServerApp_Init(void);
void TELNETServerApp_Callback(void);
#if defined(INCLUDE_FROM_TELNETSERVERAPP_C)
static void TELNETServerApp_DisplayTCPConnections(void);
#endif
#endif

502
Projects/Webserver/Lib/uIPManagement.c
View file

@ -1,251 +1,251 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* uIP Management functions. This file contains the functions and globals needed to maintain the uIP
* stack once an RNDIS device has been attached to the system.
*/
#define INCLUDE_FROM_UIPMANAGEMENT_C
#include "uIPManagement.h"
/** Connection timer, to retain the time elapsed since the last time the uIP connections were managed. */
struct timer ConnectionTimer;
/** ARP timer, to retain the time elapsed since the ARP cache was last updated. */
struct timer ARPTimer;
/** MAC address of the RNDIS device, when enumerated */
struct uip_eth_addr MACAddress;
bool HaveIPConfiguration;
/** Configures the uIP stack ready for network traffic. */
void uIPManagement_Init(void)
{
/* uIP Timing Initialization */
clock_init();
timer_set(&ConnectionTimer, CLOCK_SECOND / 2);
timer_set(&ARPTimer, CLOCK_SECOND * 10);
/* uIP Stack Initialization */
uip_init();
uip_arp_init();
uip_setethaddr(MACAddress);
/* DHCP/Server IP Settings Initialization */
#if defined(ENABLE_DHCP_CLIENT)
HaveIPConfiguration = false;
DHCPClientApp_Init();
#else
HaveIPConfiguration = true;
uip_ipaddr_t IPAddress, Netmask, GatewayIPAddress;
uip_ipaddr(&IPAddress, DEVICE_IP_ADDRESS[0], DEVICE_IP_ADDRESS[1], DEVICE_IP_ADDRESS[2], DEVICE_IP_ADDRESS[3]);
uip_ipaddr(&Netmask, DEVICE_NETMASK[0], DEVICE_NETMASK[1], DEVICE_NETMASK[2], DEVICE_NETMASK[3]);
uip_ipaddr(&GatewayIPAddress, DEVICE_GATEWAY[0], DEVICE_GATEWAY[1], DEVICE_GATEWAY[2], DEVICE_GATEWAY[3]);
uip_sethostaddr(&IPAddress);
uip_setnetmask(&Netmask);
uip_setdraddr(&GatewayIPAddress);
#endif
/* HTTP Webserver Initialization */
HTTPServerApp_Init();
/* TELNET Server Initialization */
#if defined(ENABLE_TELNET_SERVER)
TELNETServerApp_Init();
#endif
}
/** uIP Management function. This function manages the uIP stack when called while an RNDIS device has been
* attached to the system.
*/
void uIPManagement_ManageNetwork(void)
{
if ((USB_CurrentMode == USB_MODE_HOST) && (USB_HostState == HOST_STATE_Configured))
{
uIPManagement_ProcessIncomingPacket();
uIPManagement_ManageConnections();
}
}
/** uIP TCP/IP network stack callback function for the processing of a given TCP connection. This routine dispatches
* to the appropriate TCP protocol application based on the connection's listen port number.
*/
void uIPManagement_TCPCallback(void)
{
/* Call the correct TCP application based on the port number the connection is listening on */
switch (uip_conn->lport)
{
case HTONS(HTTP_SERVER_PORT):
HTTPServerApp_Callback();
break;
#if defined(ENABLE_TELNET_SERVER)
case HTONS(TELNET_SERVER_PORT):
TELNETServerApp_Callback();
break;
#endif
}
}
/** uIP TCP/IP network stack callback function for the processing of a given UDP connection. This routine dispatches
* to the appropriate UDP protocol application based on the connection's listen port number.
*/
void uIPManagement_UDPCallback(void)
{
/* Call the correct UDP application based on the port number the connection is listening on */
switch (uip_udp_conn->lport)
{
case HTONS(DHCPC_CLIENT_PORT):
DHCPClientApp_Callback();
break;
}
}
/** Processes Incoming packets to the server from the connected RNDIS device, creating responses as needed. */
static void uIPManagement_ProcessIncomingPacket(void)
{
/* If no packet received, exit processing routine */
if (!(RNDIS_Host_IsPacketReceived(&Ethernet_RNDIS_Interface)))
return;
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
/* Read the Incoming packet straight into the UIP packet buffer */
RNDIS_Host_ReadPacket(&Ethernet_RNDIS_Interface, uip_buf, &uip_len);
/* If the packet contains an Ethernet frame, process it */
if (uip_len > 0)
{
switch (((struct uip_eth_hdr*)uip_buf)->type)
{
case HTONS(UIP_ETHTYPE_IP):
/* Filter packet by MAC destination */
uip_arp_ipin();
/* Process Incoming packet */
uip_input();
/* If a response was generated, send it */
if (uip_len > 0)
{
/* Add destination MAC to outgoing packet */
uip_arp_out();
uip_split_output();
}
break;
case HTONS(UIP_ETHTYPE_ARP):
/* Process ARP packet */
uip_arp_arpin();
/* If a response was generated, send it */
if (uip_len > 0)
uip_split_output();
break;
}
}
LEDs_SetAllLEDs(LEDMASK_USB_READY | ((HaveIPConfiguration) ? LEDMASK_UIP_READY_CONFIG : LEDMASK_UIP_READY_NOCONFIG));
}
/** Manages the currently open network connections, including TCP and (if enabled) UDP. */
static void uIPManagement_ManageConnections(void)
{
/* Poll TCP connections for more data to send back to the host */
for (uint8_t i = 0; i < UIP_CONNS; i++)
{
uip_poll_conn(&uip_conns[i]);
/* If a response was generated, send it */
if (uip_len > 0)
{
/* Add destination MAC to outgoing packet */
uip_arp_out();
/* Split and send the outgoing packet */
uip_split_output();
}
}
/* Manage open connections for timeouts */
if (timer_expired(&ConnectionTimer))
{
timer_reset(&ConnectionTimer);
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
for (uint8_t i = 0; i < UIP_CONNS; i++)
{
/* Run periodic connection management for each TCP connection */
uip_periodic(i);
/* If a response was generated, send it */
if (uip_len > 0)
{
/* Add destination MAC to outgoing packet */
uip_arp_out();
/* Split and send the outgoing packet */
uip_split_output();
}
}
#if defined(ENABLE_DHCP_CLIENT)
for (uint8_t i = 0; i < UIP_UDP_CONNS; i++)
{
/* Run periodic connection management for each UDP connection */
uip_udp_periodic(i);
/* If a response was generated, send it */
if (uip_len > 0)
{
/* Add destination MAC to outgoing packet */
uip_arp_out();
/* Split and send the outgoing packet */
uip_split_output();
}
}
#endif
LEDs_SetAllLEDs(LEDMASK_USB_READY);
}
/* Manage ARP cache refreshing */
if (timer_expired(&ARPTimer))
{
timer_reset(&ARPTimer);
uip_arp_timer();
}
}
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* uIP Management functions. This file contains the functions and globals needed to maintain the uIP
* stack once an RNDIS device has been attached to the system.
*/
#define INCLUDE_FROM_UIPMANAGEMENT_C
#include "uIPManagement.h"
/** Connection timer, to retain the time elapsed since the last time the uIP connections were managed. */
struct timer ConnectionTimer;
/** ARP timer, to retain the time elapsed since the ARP cache was last updated. */
struct timer ARPTimer;
/** MAC address of the RNDIS device, when enumerated */
struct uip_eth_addr MACAddress;
bool HaveIPConfiguration;
/** Configures the uIP stack ready for network traffic. */
void uIPManagement_Init(void)
{
/* uIP Timing Initialization */
clock_init();
timer_set(&ConnectionTimer, CLOCK_SECOND / 2);
timer_set(&ARPTimer, CLOCK_SECOND * 10);
/* uIP Stack Initialization */
uip_init();
uip_arp_init();
uip_setethaddr(MACAddress);
/* DHCP/Server IP Settings Initialization */
#if defined(ENABLE_DHCP_CLIENT)
HaveIPConfiguration = false;
DHCPClientApp_Init();
#else
HaveIPConfiguration = true;
uip_ipaddr_t IPAddress, Netmask, GatewayIPAddress;
uip_ipaddr(&IPAddress, DEVICE_IP_ADDRESS[0], DEVICE_IP_ADDRESS[1], DEVICE_IP_ADDRESS[2], DEVICE_IP_ADDRESS[3]);
uip_ipaddr(&Netmask, DEVICE_NETMASK[0], DEVICE_NETMASK[1], DEVICE_NETMASK[2], DEVICE_NETMASK[3]);
uip_ipaddr(&GatewayIPAddress, DEVICE_GATEWAY[0], DEVICE_GATEWAY[1], DEVICE_GATEWAY[2], DEVICE_GATEWAY[3]);
uip_sethostaddr(&IPAddress);
uip_setnetmask(&Netmask);
uip_setdraddr(&GatewayIPAddress);
#endif
/* HTTP Webserver Initialization */
HTTPServerApp_Init();
/* TELNET Server Initialization */
#if defined(ENABLE_TELNET_SERVER)
TELNETServerApp_Init();
#endif
}
/** uIP Management function. This function manages the uIP stack when called while an RNDIS device has been
* attached to the system.
*/
void uIPManagement_ManageNetwork(void)
{
if ((USB_CurrentMode == USB_MODE_HOST) && (USB_HostState == HOST_STATE_Configured))
{
uIPManagement_ProcessIncomingPacket();
uIPManagement_ManageConnections();
}
}
/** uIP TCP/IP network stack callback function for the processing of a given TCP connection. This routine dispatches
* to the appropriate TCP protocol application based on the connection's listen port number.
*/
void uIPManagement_TCPCallback(void)
{
/* Call the correct TCP application based on the port number the connection is listening on */
switch (uip_conn->lport)
{
case HTONS(HTTP_SERVER_PORT):
HTTPServerApp_Callback();
break;
#if defined(ENABLE_TELNET_SERVER)
case HTONS(TELNET_SERVER_PORT):
TELNETServerApp_Callback();
break;
#endif
}
}
/** uIP TCP/IP network stack callback function for the processing of a given UDP connection. This routine dispatches
* to the appropriate UDP protocol application based on the connection's listen port number.
*/
void uIPManagement_UDPCallback(void)
{
/* Call the correct UDP application based on the port number the connection is listening on */
switch (uip_udp_conn->lport)
{
case HTONS(DHCPC_CLIENT_PORT):
DHCPClientApp_Callback();
break;
}
}
/** Processes Incoming packets to the server from the connected RNDIS device, creating responses as needed. */
static void uIPManagement_ProcessIncomingPacket(void)
{
/* If no packet received, exit processing routine */
if (!(RNDIS_Host_IsPacketReceived(&Ethernet_RNDIS_Interface)))
return;
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
/* Read the Incoming packet straight into the UIP packet buffer */
RNDIS_Host_ReadPacket(&Ethernet_RNDIS_Interface, uip_buf, &uip_len);
/* If the packet contains an Ethernet frame, process it */
if (uip_len > 0)
{
switch (((struct uip_eth_hdr*)uip_buf)->type)
{
case HTONS(UIP_ETHTYPE_IP):
/* Filter packet by MAC destination */
uip_arp_ipin();
/* Process Incoming packet */
uip_input();
/* If a response was generated, send it */
if (uip_len > 0)
{
/* Add destination MAC to outgoing packet */
uip_arp_out();
uip_split_output();
}
break;
case HTONS(UIP_ETHTYPE_ARP):
/* Process ARP packet */
uip_arp_arpin();
/* If a response was generated, send it */
if (uip_len > 0)
uip_split_output();
break;
}
}
LEDs_SetAllLEDs(LEDMASK_USB_READY | ((HaveIPConfiguration) ? LEDMASK_UIP_READY_CONFIG : LEDMASK_UIP_READY_NOCONFIG));
}
/** Manages the currently open network connections, including TCP and (if enabled) UDP. */
static void uIPManagement_ManageConnections(void)
{
/* Poll TCP connections for more data to send back to the host */
for (uint8_t i = 0; i < UIP_CONNS; i++)
{
uip_poll_conn(&uip_conns[i]);
/* If a response was generated, send it */
if (uip_len > 0)
{
/* Add destination MAC to outgoing packet */
uip_arp_out();
/* Split and send the outgoing packet */
uip_split_output();
}
}
/* Manage open connections for timeouts */
if (timer_expired(&ConnectionTimer))
{
timer_reset(&ConnectionTimer);
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
for (uint8_t i = 0; i < UIP_CONNS; i++)
{
/* Run periodic connection management for each TCP connection */
uip_periodic(i);
/* If a response was generated, send it */
if (uip_len > 0)
{
/* Add destination MAC to outgoing packet */
uip_arp_out();
/* Split and send the outgoing packet */
uip_split_output();
}
}
#if defined(ENABLE_DHCP_CLIENT)
for (uint8_t i = 0; i < UIP_UDP_CONNS; i++)
{
/* Run periodic connection management for each UDP connection */
uip_udp_periodic(i);
/* If a response was generated, send it */
if (uip_len > 0)
{
/* Add destination MAC to outgoing packet */
uip_arp_out();
/* Split and send the outgoing packet */
uip_split_output();
}
}
#endif
LEDs_SetAllLEDs(LEDMASK_USB_READY);
}
/* Manage ARP cache refreshing */
if (timer_expired(&ARPTimer))
{
timer_reset(&ARPTimer);
uip_arp_timer();
}
}

158
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@ -1,79 +1,79 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* Header file for uIPManagement.c.
*/
#ifndef _UIP_MANAGEMENT_H_
#define _UIP_MANAGEMENT_H_
/* Includes: */
#include <LUFA/Drivers/USB/Class/RNDIS.h>
#include <uip.h>
#include <uip_arp.h>
#include <uip-split.h>
#include <timer.h>
#include "Lib/DHCPClientApp.h"
#include "Lib/HTTPServerApp.h"
#include "Lib/TELNETServerApp.h"
/* Macros: */
/** IP address that the webserver should use once connected to a RNDIS device (when DHCP is disabled). */
#define DEVICE_IP_ADDRESS (uint8_t[]){192, 168, 1, 10}
/** Netmask that the webserver should once connected to a RNDIS device (when DHCP is disabled). */
#define DEVICE_NETMASK (uint8_t[]){255, 255, 255, 0}
/** IP address of the default gateway the webserver should use when routing outside the local subnet
* (when DHCP is disabled).
*/
#define DEVICE_GATEWAY (uint8_t[]){192, 168, 1, 1}
/* External Variables: */
extern struct uip_eth_addr MACAddress;
extern bool HaveIPConfiguration;
/* Function Prototypes: */
void uIPManagement_Init(void);
void uIPManagement_ManageNetwork(void);
void uIPManagement_TCPCallback(void);
void uIPManagement_UDPCallback(void);
#if defined(INCLUDE_FROM_UIPMANAGEMENT_C)
static void uIPManagement_ProcessIncomingPacket(void);
static void uIPManagement_ManageConnections(void);
#endif
#endif
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* Header file for uIPManagement.c.
*/
#ifndef _UIP_MANAGEMENT_H_
#define _UIP_MANAGEMENT_H_
/* Includes: */
#include <LUFA/Drivers/USB/Class/RNDIS.h>
#include <uip.h>
#include <uip_arp.h>
#include <uip-split.h>
#include <timer.h>
#include "Lib/DHCPClientApp.h"
#include "Lib/HTTPServerApp.h"
#include "Lib/TELNETServerApp.h"
/* Macros: */
/** IP address that the webserver should use once connected to a RNDIS device (when DHCP is disabled). */
#define DEVICE_IP_ADDRESS (uint8_t[]){192, 168, 1, 10}
/** Netmask that the webserver should once connected to a RNDIS device (when DHCP is disabled). */
#define DEVICE_NETMASK (uint8_t[]){255, 255, 255, 0}
/** IP address of the default gateway the webserver should use when routing outside the local subnet
* (when DHCP is disabled).
*/
#define DEVICE_GATEWAY (uint8_t[]){192, 168, 1, 1}
/* External Variables: */
extern struct uip_eth_addr MACAddress;
extern bool HaveIPConfiguration;
/* Function Prototypes: */
void uIPManagement_Init(void);
void uIPManagement_ManageNetwork(void);
void uIPManagement_TCPCallback(void);
void uIPManagement_UDPCallback(void);
#if defined(INCLUDE_FROM_UIPMANAGEMENT_C)
static void uIPManagement_ProcessIncomingPacket(void);
static void uIPManagement_ManageConnections(void);
#endif
#endif

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@ -1,38 +1,38 @@
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <avr/interrupt.h>
#include <avr/io.h>
#include <avr/sfr_defs.h>
#include "clock.h"
//Counted time
volatile clock_time_t clock_datetime = 0;
//Overflow interrupt
ISR(TIMER1_COMPA_vect)
{
clock_datetime += 1;
}
//Initialise the clock
void clock_init()
{
OCR1A = ((F_CPU / 1024) / 100);
TCCR1B = ((1 << WGM12) | (1 << CS12) | (1 << CS10));
TIMSK1 = (1 << OCIE1A);
}
//Return time
clock_time_t clock_time()
{
clock_time_t time;
ATOMIC_BLOCK(ATOMIC_FORCEON)
{
time = clock_datetime;
}
return time;
}
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <avr/interrupt.h>
#include <avr/io.h>
#include <avr/sfr_defs.h>
#include "clock.h"
//Counted time
volatile clock_time_t clock_datetime = 0;
//Overflow interrupt
ISR(TIMER1_COMPA_vect)
{
clock_datetime += 1;
}
//Initialise the clock
void clock_init()
{
OCR1A = ((F_CPU / 1024) / 100);
TCCR1B = ((1 << WGM12) | (1 << CS12) | (1 << CS10));
TIMSK1 = (1 << OCIE1A);
}
//Return time
clock_time_t clock_time()
{
clock_time_t time;
ATOMIC_BLOCK(ATOMIC_FORCEON)
{
time = clock_datetime;
}
return time;
}

24
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@ -1,12 +1,12 @@
#ifndef __CLOCK_ARCH_H__
#define __CLOCK_ARCH_H__
#include <stdint.h>
#include <util/atomic.h>
typedef uint16_t clock_time_t;
#define CLOCK_SECOND 100
void clock_init(void);
clock_time_t clock_time(void);
#endif /* __CLOCK_ARCH_H__ */
#ifndef __CLOCK_ARCH_H__
#define __CLOCK_ARCH_H__
#include <stdint.h>
#include <util/atomic.h>
typedef uint16_t clock_time_t;
#define CLOCK_SECOND 100
void clock_init(void);
clock_time_t clock_time(void);
#endif /* __CLOCK_ARCH_H__ */

254
Projects/Webserver/Lib/uip/timer.c
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@ -1,127 +1,127 @@
/**
* \addtogroup timer
* @{
*/
/**
* \file
* Timer library implementation.
* \author
* Adam Dunkels <adam@sics.se>
*/
/*
* Copyright (c) 2004, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: timer.c,v 1.2 2006/06/12 08:00:30 adam Exp $
*/
#include "clock.h"
#include "timer.h"
/*---------------------------------------------------------------------------*/
/**
* Set a timer.
*
* This function is used to set a timer for a time sometime in the
* future. The function timer_expired() will evaluate to true after
* the timer has expired.
*
* \param t A pointer to the timer
* \param interval The interval before the timer expires.
*
*/
void
timer_set(struct timer *t, clock_time_t interval)
{
t->interval = interval;
t->start = clock_time();
}
/*---------------------------------------------------------------------------*/
/**
* Reset the timer with the same interval.
*
* This function resets the timer with the same interval that was
* given to the timer_set() function. The start point of the interval
* is the exact time that the timer last expired. Therefore, this
* function will cause the timer to be stable over time, unlike the
* timer_rester() function.
*
* \param t A pointer to the timer.
*
* \sa timer_restart()
*/
void
timer_reset(struct timer *t)
{
t->start += t->interval;
}
/*---------------------------------------------------------------------------*/
/**
* Restart the timer from the current point in time
*
* This function restarts a timer with the same interval that was
* given to the timer_set() function. The timer will start at the
* current time.
*
* \note A periodic timer will drift if this function is used to reset
* it. For preioric timers, use the timer_reset() function instead.
*
* \param t A pointer to the timer.
*
* \sa timer_reset()
*/
void
timer_restart(struct timer *t)
{
t->start = clock_time();
}
/*---------------------------------------------------------------------------*/
/**
* Check if a timer has expired.
*
* This function tests if a timer has expired and returns true or
* false depending on its status.
*
* \param t A pointer to the timer
*
* \return Non-zero if the timer has expired, zero otherwise.
*
*/
int
timer_expired(struct timer *t)
{
return (clock_time_t)(clock_time() - t->start) >= (clock_time_t)t->interval;
}
/*---------------------------------------------------------------------------*/
/** @} */
/**
* \addtogroup timer
* @{
*/
/**
* \file
* Timer library implementation.
* \author
* Adam Dunkels <adam@sics.se>
*/
/*
* Copyright (c) 2004, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: timer.c,v 1.2 2006/06/12 08:00:30 adam Exp $
*/
#include "clock.h"
#include "timer.h"
/*---------------------------------------------------------------------------*/
/**
* Set a timer.
*
* This function is used to set a timer for a time sometime in the
* future. The function timer_expired() will evaluate to true after
* the timer has expired.
*
* \param t A pointer to the timer
* \param interval The interval before the timer expires.
*
*/
void
timer_set(struct timer *t, clock_time_t interval)
{
t->interval = interval;
t->start = clock_time();
}
/*---------------------------------------------------------------------------*/
/**
* Reset the timer with the same interval.
*
* This function resets the timer with the same interval that was
* given to the timer_set() function. The start point of the interval
* is the exact time that the timer last expired. Therefore, this
* function will cause the timer to be stable over time, unlike the
* timer_rester() function.
*
* \param t A pointer to the timer.
*
* \sa timer_restart()
*/
void
timer_reset(struct timer *t)
{
t->start += t->interval;
}
/*---------------------------------------------------------------------------*/
/**
* Restart the timer from the current point in time
*
* This function restarts a timer with the same interval that was
* given to the timer_set() function. The timer will start at the
* current time.
*
* \note A periodic timer will drift if this function is used to reset
* it. For preioric timers, use the timer_reset() function instead.
*
* \param t A pointer to the timer.
*
* \sa timer_reset()
*/
void
timer_restart(struct timer *t)
{
t->start = clock_time();
}
/*---------------------------------------------------------------------------*/
/**
* Check if a timer has expired.
*
* This function tests if a timer has expired and returns true or
* false depending on its status.
*
* \param t A pointer to the timer
*
* \return Non-zero if the timer has expired, zero otherwise.
*
*/
int
timer_expired(struct timer *t)
{
return (clock_time_t)(clock_time() - t->start) >= (clock_time_t)t->interval;
}
/*---------------------------------------------------------------------------*/
/** @} */

172
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@ -1,86 +1,86 @@
/**
* \defgroup timer Timer library
*
* The timer library provides functions for setting, resetting and
* restarting timers, and for checking if a timer has expired. An
* application must "manually" check if its timers have expired; this
* is not done automatically.
*
* A timer is declared as a \c struct \c timer and all access to the
* timer is made by a pointer to the declared timer.
*
* \note The timer library uses the \ref clock "Clock library" to
* measure time. Intervals should be specified in the format used by
* the clock library.
*
* @{
*/
/**
* \file
* Timer library header file.
* \author
* Adam Dunkels <adam@sics.se>
*/
/*
* Copyright (c) 2004, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: timer.h,v 1.3 2006/06/11 21:46:39 adam Exp $
*/
#ifndef __TIMER_H__
#define __TIMER_H__
#include "clock.h"
/**
* A timer.
*
* This structure is used for declaring a timer. The timer must be set
* with timer_set() before it can be used.
*
* \hideinitializer
*/
struct timer {
clock_time_t start;
clock_time_t interval;
};
void timer_set(struct timer *t, clock_time_t interval);
void timer_reset(struct timer *t);
void timer_restart(struct timer *t);
int timer_expired(struct timer *t);
#endif /* __TIMER_H__ */
/** @} */
/**
* \defgroup timer Timer library
*
* The timer library provides functions for setting, resetting and
* restarting timers, and for checking if a timer has expired. An
* application must "manually" check if its timers have expired; this
* is not done automatically.
*
* A timer is declared as a \c struct \c timer and all access to the
* timer is made by a pointer to the declared timer.
*
* \note The timer library uses the \ref clock "Clock library" to
* measure time. Intervals should be specified in the format used by
* the clock library.
*
* @{
*/
/**
* \file
* Timer library header file.
* \author
* Adam Dunkels <adam@sics.se>
*/
/*
* Copyright (c) 2004, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: timer.h,v 1.3 2006/06/11 21:46:39 adam Exp $
*/
#ifndef __TIMER_H__
#define __TIMER_H__
#include "clock.h"
/**
* A timer.
*
* This structure is used for declaring a timer. The timer must be set
* with timer_set() before it can be used.
*
* \hideinitializer
*/
struct timer {
clock_time_t start;
clock_time_t interval;
};
void timer_set(struct timer *t, clock_time_t interval);
void timer_reset(struct timer *t);
void timer_restart(struct timer *t);
int timer_expired(struct timer *t);
#endif /* __TIMER_H__ */
/** @} */

282
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@ -1,141 +1,141 @@
/*
* Copyright (c) 2004, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: uip-split.c,v 1.2 2008/10/14 13:39:12 julienabeille Exp $
*/
#include "uip-split.h"
#define BUF ((struct uip_tcpip_hdr *)&uip_buf[UIP_LLH_LEN])
/*-----------------------------------------------------------------------------*/
void
uip_split_output(void)
{
#if UIP_TCP
u16_t tcplen, len1, len2;
/* We only try to split maximum sized TCP segments. */
if(BUF->proto == UIP_PROTO_TCP && uip_len == UIP_BUFSIZE) {
tcplen = uip_len - UIP_TCPIP_HLEN - UIP_LLH_LEN;
/* Split the segment in two. If the original packet length was
odd, we make the second packet one byte larger. */
len1 = len2 = tcplen / 2;
if(len1 + len2 < tcplen) {
++len2;
}
/* Create the first packet. This is done by altering the length
field of the IP header and updating the checksums. */
uip_len = len1 + UIP_TCPIP_HLEN + UIP_LLH_LEN;
#if UIP_CONF_IPV6
/* For IPv6, the IP length field does not include the IPv6 IP header
length. */
BUF->len[0] = ((uip_len - UIP_IPH_LEN) >> 8);
BUF->len[1] = ((uip_len - UIP_IPH_LEN) & 0xff);
#else /* UIP_CONF_IPV6 */
BUF->len[0] = (uip_len - UIP_LLH_LEN) >> 8;
BUF->len[1] = (uip_len - UIP_LLH_LEN) & 0xff;
#endif /* UIP_CONF_IPV6 */
/* Recalculate the TCP checksum. */
BUF->tcpchksum = 0;
BUF->tcpchksum = ~(uip_tcpchksum());
#if !UIP_CONF_IPV6
/* Recalculate the IP checksum. */
BUF->ipchksum = 0;
BUF->ipchksum = ~(uip_ipchksum());
#endif /* UIP_CONF_IPV6 */
/* Transmit the first packet. */
#if UIP_CONF_IPV6
tcpip_ipv6_output();
#else
RNDIS_Host_SendPacket(&Ethernet_RNDIS_Interface, uip_buf, uip_len);
#endif /* UIP_CONF_IPV6 */
/* Now, create the second packet. To do this, it is not enough to
just alter the length field, but we must also update the TCP
sequence number and point the uip_appdata to a new place in
memory. This place is detemined by the length of the first
packet (len1). */
uip_len = len2 + UIP_TCPIP_HLEN + UIP_LLH_LEN;
#if UIP_CONF_IPV6
/* For IPv6, the IP length field does not include the IPv6 IP header
length. */
BUF->len[0] = ((uip_len - UIP_IPH_LEN) >> 8);
BUF->len[1] = ((uip_len - UIP_IPH_LEN) & 0xff);
#else /* UIP_CONF_IPV6 */
BUF->len[0] = (uip_len - UIP_LLH_LEN) >> 8;
BUF->len[1] = (uip_len - UIP_LLH_LEN) & 0xff;
#endif /* UIP_CONF_IPV6 */
memcpy(uip_appdata, (u8_t *)uip_appdata + len1, len2);
uip_add32(BUF->seqno, len1);
BUF->seqno[0] = uip_acc32[0];
BUF->seqno[1] = uip_acc32[1];
BUF->seqno[2] = uip_acc32[2];
BUF->seqno[3] = uip_acc32[3];
/* Recalculate the TCP checksum. */
BUF->tcpchksum = 0;
BUF->tcpchksum = ~(uip_tcpchksum());
#if !UIP_CONF_IPV6
/* Recalculate the IP checksum. */
BUF->ipchksum = 0;
BUF->ipchksum = ~(uip_ipchksum());
#endif /* UIP_CONF_IPV6 */
/* Transmit the second packet. */
#if UIP_CONF_IPV6
tcpip_ipv6_output();
#else
RNDIS_Host_SendPacket(&Ethernet_RNDIS_Interface, uip_buf, uip_len);
#endif /* UIP_CONF_IPV6 */
return;
}
#endif /* UIP_TCP */
/* uip_fw_output();*/
#if UIP_CONF_IPV6
tcpip_ipv6_output();
#else
RNDIS_Host_SendPacket(&Ethernet_RNDIS_Interface, uip_buf, uip_len);
#endif /* UIP_CONF_IPV6 */
}
/*-----------------------------------------------------------------------------*/
/*
* Copyright (c) 2004, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: uip-split.c,v 1.2 2008/10/14 13:39:12 julienabeille Exp $
*/
#include "uip-split.h"
#define BUF ((struct uip_tcpip_hdr *)&uip_buf[UIP_LLH_LEN])
/*-----------------------------------------------------------------------------*/
void
uip_split_output(void)
{
#if UIP_TCP
u16_t tcplen, len1, len2;
/* We only try to split maximum sized TCP segments. */
if(BUF->proto == UIP_PROTO_TCP && uip_len == UIP_BUFSIZE) {
tcplen = uip_len - UIP_TCPIP_HLEN - UIP_LLH_LEN;
/* Split the segment in two. If the original packet length was
odd, we make the second packet one byte larger. */
len1 = len2 = tcplen / 2;
if(len1 + len2 < tcplen) {
++len2;
}
/* Create the first packet. This is done by altering the length
field of the IP header and updating the checksums. */
uip_len = len1 + UIP_TCPIP_HLEN + UIP_LLH_LEN;
#if UIP_CONF_IPV6
/* For IPv6, the IP length field does not include the IPv6 IP header
length. */
BUF->len[0] = ((uip_len - UIP_IPH_LEN) >> 8);
BUF->len[1] = ((uip_len - UIP_IPH_LEN) & 0xff);
#else /* UIP_CONF_IPV6 */
BUF->len[0] = (uip_len - UIP_LLH_LEN) >> 8;
BUF->len[1] = (uip_len - UIP_LLH_LEN) & 0xff;
#endif /* UIP_CONF_IPV6 */
/* Recalculate the TCP checksum. */
BUF->tcpchksum = 0;
BUF->tcpchksum = ~(uip_tcpchksum());
#if !UIP_CONF_IPV6
/* Recalculate the IP checksum. */
BUF->ipchksum = 0;
BUF->ipchksum = ~(uip_ipchksum());
#endif /* UIP_CONF_IPV6 */
/* Transmit the first packet. */
#if UIP_CONF_IPV6
tcpip_ipv6_output();
#else
RNDIS_Host_SendPacket(&Ethernet_RNDIS_Interface, uip_buf, uip_len);
#endif /* UIP_CONF_IPV6 */
/* Now, create the second packet. To do this, it is not enough to
just alter the length field, but we must also update the TCP
sequence number and point the uip_appdata to a new place in
memory. This place is detemined by the length of the first
packet (len1). */
uip_len = len2 + UIP_TCPIP_HLEN + UIP_LLH_LEN;
#if UIP_CONF_IPV6
/* For IPv6, the IP length field does not include the IPv6 IP header
length. */
BUF->len[0] = ((uip_len - UIP_IPH_LEN) >> 8);
BUF->len[1] = ((uip_len - UIP_IPH_LEN) & 0xff);
#else /* UIP_CONF_IPV6 */
BUF->len[0] = (uip_len - UIP_LLH_LEN) >> 8;
BUF->len[1] = (uip_len - UIP_LLH_LEN) & 0xff;
#endif /* UIP_CONF_IPV6 */
memcpy(uip_appdata, (u8_t *)uip_appdata + len1, len2);
uip_add32(BUF->seqno, len1);
BUF->seqno[0] = uip_acc32[0];
BUF->seqno[1] = uip_acc32[1];
BUF->seqno[2] = uip_acc32[2];
BUF->seqno[3] = uip_acc32[3];
/* Recalculate the TCP checksum. */
BUF->tcpchksum = 0;
BUF->tcpchksum = ~(uip_tcpchksum());
#if !UIP_CONF_IPV6
/* Recalculate the IP checksum. */
BUF->ipchksum = 0;
BUF->ipchksum = ~(uip_ipchksum());
#endif /* UIP_CONF_IPV6 */
/* Transmit the second packet. */
#if UIP_CONF_IPV6
tcpip_ipv6_output();
#else
RNDIS_Host_SendPacket(&Ethernet_RNDIS_Interface, uip_buf, uip_len);
#endif /* UIP_CONF_IPV6 */
return;
}
#endif /* UIP_TCP */
/* uip_fw_output();*/
#if UIP_CONF_IPV6
tcpip_ipv6_output();
#else
RNDIS_Host_SendPacket(&Ethernet_RNDIS_Interface, uip_buf, uip_len);
#endif /* UIP_CONF_IPV6 */
}
/*-----------------------------------------------------------------------------*/

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@ -1,103 +1,103 @@
/*
* Copyright (c) 2004, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: uip-split.h,v 1.1 2006/06/17 22:41:19 adamdunkels Exp $
*/
/**
* \addtogroup uip
* @{
*/
/**
* \defgroup uipsplit uIP TCP throughput booster hack
* @{
*
* The basic uIP TCP implementation only allows each TCP connection to
* have a single TCP segment in flight at any given time. Because of
* the delayed ACK algorithm employed by most TCP receivers, uIP's
* limit on the amount of in-flight TCP segments seriously reduces the
* maximum achievable throughput for sending data from uIP.
*
* The uip-split module is a hack which tries to remedy this
* situation. By splitting maximum sized outgoing TCP segments into
* two, the delayed ACK algorithm is not invoked at TCP
* receivers. This improves the throughput when sending data from uIP
* by orders of magnitude.
*
* The uip-split module uses the uip-fw module (uIP IP packet
* forwarding) for sending packets. Therefore, the uip-fw module must
* be set up with the appropriate network interfaces for this module
* to work.
*/
/**
* \file
* Module for splitting outbound TCP segments in two to avoid the
* delayed ACK throughput degradation.
* \author
* Adam Dunkels <adam@sics.se>
*
*/
#ifndef __UIP_SPLIT_H__
#define __UIP_SPLIT_H__
#include <string.h>
#include <uip.h>
#include "../../USBHostMode.h"
#include <LUFA/Drivers/USB/Class/RNDIS.h>
/**
* Handle outgoing packets.
*
* This function inspects an outgoing packet in the uip_buf buffer and
* sends it out using the uip_fw_output() function. If the packet is a
* full-sized TCP segment it will be split into two segments and
* transmitted separately. This function should be called instead of
* the actual device driver output function, or the uip_fw_output()
* function.
*
* The headers of the outgoing packet is assumed to be in the uip_buf
* buffer and the payload is assumed to be wherever uip_appdata
* points. The length of the outgoing packet is assumed to be in the
* uip_len variable.
*
*/
void uip_split_output(void);
void uip_add32(u8_t *op32, u16_t op16);
#endif /* __UIP_SPLIT_H__ */
/** @} */
/** @} */
/*
* Copyright (c) 2004, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: uip-split.h,v 1.1 2006/06/17 22:41:19 adamdunkels Exp $
*/
/**
* \addtogroup uip
* @{
*/
/**
* \defgroup uipsplit uIP TCP throughput booster hack
* @{
*
* The basic uIP TCP implementation only allows each TCP connection to
* have a single TCP segment in flight at any given time. Because of
* the delayed ACK algorithm employed by most TCP receivers, uIP's
* limit on the amount of in-flight TCP segments seriously reduces the
* maximum achievable throughput for sending data from uIP.
*
* The uip-split module is a hack which tries to remedy this
* situation. By splitting maximum sized outgoing TCP segments into
* two, the delayed ACK algorithm is not invoked at TCP
* receivers. This improves the throughput when sending data from uIP
* by orders of magnitude.
*
* The uip-split module uses the uip-fw module (uIP IP packet
* forwarding) for sending packets. Therefore, the uip-fw module must
* be set up with the appropriate network interfaces for this module
* to work.
*/
/**
* \file
* Module for splitting outbound TCP segments in two to avoid the
* delayed ACK throughput degradation.
* \author
* Adam Dunkels <adam@sics.se>
*
*/
#ifndef __UIP_SPLIT_H__
#define __UIP_SPLIT_H__
#include <string.h>
#include <uip.h>
#include "../../USBHostMode.h"
#include <LUFA/Drivers/USB/Class/RNDIS.h>
/**
* Handle outgoing packets.
*
* This function inspects an outgoing packet in the uip_buf buffer and
* sends it out using the uip_fw_output() function. If the packet is a
* full-sized TCP segment it will be split into two segments and
* transmitted separately. This function should be called instead of
* the actual device driver output function, or the uip_fw_output()
* function.
*
* The headers of the outgoing packet is assumed to be in the uip_buf
* buffer and the payload is assumed to be wherever uip_appdata
* points. The length of the outgoing packet is assumed to be in the
* uip_len variable.
*
*/
void uip_split_output(void);
void uip_add32(u8_t *op32, u16_t op16);
#endif /* __UIP_SPLIT_H__ */
/** @} */
/** @} */

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@ -1,431 +1,431 @@
/**
* \addtogroup uip
* @{
*/
/**
* \defgroup uiparp uIP Address Resolution Protocol
* @{
*
* The Address Resolution Protocol ARP is used for mapping between IP
* addresses and link level addresses such as the Ethernet MAC
* addresses. ARP uses broadcast queries to ask for the link level
* address of a known IP address and the host which is configured with
* the IP address for which the query was meant, will respond with its
* link level address.
*
* \note This ARP implementation only supports Ethernet.
*/
/**
* \file
* Implementation of the ARP Address Resolution Protocol.
* \author Adam Dunkels <adam@dunkels.com>
*
*/
/*
* Copyright (c) 2001-2003, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: uip_arp.c,v 1.5 2008/02/07 01:35:00 adamdunkels Exp $
*
*/
#include "uip_arp.h"
#include <string.h>
struct arp_hdr {
struct uip_eth_hdr ethhdr;
u16_t hwtype;
u16_t protocol;
u8_t hwlen;
u8_t protolen;
u16_t opcode;
struct uip_eth_addr shwaddr;
uip_ipaddr_t sipaddr;
struct uip_eth_addr dhwaddr;
uip_ipaddr_t dipaddr;
};
struct ethip_hdr {
struct uip_eth_hdr ethhdr;
/* IP header. */
u8_t vhl,
tos,
len[2],
ipid[2],
ipoffset[2],
ttl,
proto;
u16_t ipchksum;
uip_ipaddr_t srcipaddr, destipaddr;
};
#define ARP_REQUEST 1
#define ARP_REPLY 2
#define ARP_HWTYPE_ETH 1
struct arp_entry {
uip_ipaddr_t ipaddr;
struct uip_eth_addr ethaddr;
u8_t time;
};
static const struct uip_eth_addr broadcast_ethaddr =
{{0xff,0xff,0xff,0xff,0xff,0xff}};
static const u16_t broadcast_ipaddr[2] = {0xffff,0xffff};
static struct arp_entry arp_table[UIP_ARPTAB_SIZE];
static uip_ipaddr_t ipaddr;
static u8_t i, c;
static u8_t arptime;
static u8_t tmpage;
#define BUF ((struct arp_hdr *)&uip_buf[0])
#define IPBUF ((struct ethip_hdr *)&uip_buf[0])
#define DEBUG 0
#if DEBUG
#include <stdio.h>
#define PRINTF(...) printf(__VA_ARGS__)
#else
#define PRINTF(...)
#endif
/*-----------------------------------------------------------------------------------*/
/**
* Initialize the ARP module.
*
*/
/*-----------------------------------------------------------------------------------*/
void
uip_arp_init(void)
{
for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
memset(&arp_table[i].ipaddr, 0, 4);
}
}
/*-----------------------------------------------------------------------------------*/
/**
* Periodic ARP processing function.
*
* This function performs periodic timer processing in the ARP module
* and should be called at regular intervals. The recommended interval
* is 10 seconds between the calls.
*
*/
/*-----------------------------------------------------------------------------------*/
void
uip_arp_timer(void)
{
struct arp_entry *tabptr = NULL;
++arptime;
for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
tabptr = &arp_table[i];
if(uip_ipaddr_cmp(&tabptr->ipaddr, &uip_all_zeroes_addr) &&
arptime - tabptr->time >= UIP_ARP_MAXAGE) {
memset(&tabptr->ipaddr, 0, 4);
}
}
}
/*-----------------------------------------------------------------------------------*/
static void
uip_arp_update(uip_ipaddr_t *ipaddr, struct uip_eth_addr *ethaddr)
{
register struct arp_entry *tabptr = NULL;
/* Walk through the ARP mapping table and try to find an entry to
update. If none is found, the IP -> MAC address mapping is
inserted in the ARP table. */
for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
tabptr = &arp_table[i];
/* Only check those entries that are actually in use. */
if(!uip_ipaddr_cmp(&tabptr->ipaddr, &uip_all_zeroes_addr)) {
/* Check if the source IP address of the incoming packet matches
the IP address in this ARP table entry. */
if(uip_ipaddr_cmp(ipaddr, &tabptr->ipaddr)) {
/* An old entry found, update this and return. */
memcpy(tabptr->ethaddr.addr, ethaddr->addr, 6);
tabptr->time = arptime;
return;
}
}
}
/* If we get here, no existing ARP table entry was found, so we
create one. */
/* First, we try to find an unused entry in the ARP table. */
for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
tabptr = &arp_table[i];
if(uip_ipaddr_cmp(&tabptr->ipaddr, &uip_all_zeroes_addr)) {
break;
}
}
/* If no unused entry is found, we try to find the oldest entry and
throw it away. */
if(i == UIP_ARPTAB_SIZE) {
tmpage = 0;
c = 0;
for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
tabptr = &arp_table[i];
if(arptime - tabptr->time > tmpage) {
tmpage = arptime - tabptr->time;
c = i;
}
}
i = c;
tabptr = &arp_table[i];
}
/* Now, i is the ARP table entry which we will fill with the new
information. */
uip_ipaddr_copy(&tabptr->ipaddr, ipaddr);
memcpy(tabptr->ethaddr.addr, ethaddr->addr, 6);
tabptr->time = arptime;
}
/*-----------------------------------------------------------------------------------*/
/**
* ARP processing for incoming IP packets
*
* This function should be called by the device driver when an IP
* packet has been received. The function will check if the address is
* in the ARP cache, and if so the ARP cache entry will be
* refreshed. If no ARP cache entry was found, a new one is created.
*
* This function expects an IP packet with a prepended Ethernet header
* in the uip_buf[] buffer, and the length of the packet in the global
* variable uip_len.
*/
/*-----------------------------------------------------------------------------------*/
#if 0
void
uip_arp_ipin(void)
{
uip_len -= sizeof(struct uip_eth_hdr);
/* Only insert/update an entry if the source IP address of the
incoming IP packet comes from a host on the local network. */
if((IPBUF->srcipaddr[0] & uip_netmask[0]) !=
(uip_hostaddr[0] & uip_netmask[0])) {
return;
}
if((IPBUF->srcipaddr[1] & uip_netmask[1]) !=
(uip_hostaddr[1] & uip_netmask[1])) {
return;
}
uip_arp_update(IPBUF->srcipaddr, &(IPBUF->ethhdr.src));
return;
}
#endif /* 0 */
/*-----------------------------------------------------------------------------------*/
/**
* ARP processing for incoming ARP packets.
*
* This function should be called by the device driver when an ARP
* packet has been received. The function will act differently
* depending on the ARP packet type: if it is a reply for a request
* that we previously sent out, the ARP cache will be filled in with
* the values from the ARP reply. If the incoming ARP packet is an ARP
* request for our IP address, an ARP reply packet is created and put
* into the uip_buf[] buffer.
*
* When the function returns, the value of the global variable uip_len
* indicates whether the device driver should send out a packet or
* not. If uip_len is zero, no packet should be sent. If uip_len is
* non-zero, it contains the length of the outbound packet that is
* present in the uip_buf[] buffer.
*
* This function expects an ARP packet with a prepended Ethernet
* header in the uip_buf[] buffer, and the length of the packet in the
* global variable uip_len.
*/
/*-----------------------------------------------------------------------------------*/
void
uip_arp_arpin(void)
{
if(uip_len < sizeof(struct arp_hdr)) {
uip_len = 0;
return;
}
uip_len = 0;
switch(BUF->opcode) {
case HTONS(ARP_REQUEST):
/* ARP request. If it asked for our address, we send out a
reply. */
/* if(BUF->dipaddr[0] == uip_hostaddr[0] &&
BUF->dipaddr[1] == uip_hostaddr[1]) {*/
PRINTF("uip_arp_arpin: request for %d.%d.%d.%d (we are %d.%d.%d.%d)\n",
BUF->dipaddr.u8[0], BUF->dipaddr.u8[1],
BUF->dipaddr.u8[2], BUF->dipaddr.u8[3],
uip_hostaddr.u8[0], uip_hostaddr.u8[1],
uip_hostaddr.u8[2], uip_hostaddr.u8[3]);
if(uip_ipaddr_cmp(&BUF->dipaddr, &uip_hostaddr)) {
/* First, we register the one who made the request in our ARP
table, since it is likely that we will do more communication
with this host in the future. */
uip_arp_update(&BUF->sipaddr, &BUF->shwaddr);
BUF->opcode = HTONS(ARP_REPLY);
memcpy(BUF->dhwaddr.addr, BUF->shwaddr.addr, 6);
memcpy(BUF->shwaddr.addr, uip_ethaddr.addr, 6);
memcpy(BUF->ethhdr.src.addr, uip_ethaddr.addr, 6);
memcpy(BUF->ethhdr.dest.addr, BUF->dhwaddr.addr, 6);
uip_ipaddr_copy(&BUF->dipaddr, &BUF->sipaddr);
uip_ipaddr_copy(&BUF->sipaddr, &uip_hostaddr);
BUF->ethhdr.type = HTONS(UIP_ETHTYPE_ARP);
uip_len = sizeof(struct arp_hdr);
}
break;
case HTONS(ARP_REPLY):
/* ARP reply. We insert or update the ARP table if it was meant
for us. */
if(uip_ipaddr_cmp(&BUF->dipaddr, &uip_hostaddr)) {
uip_arp_update(&BUF->sipaddr, &BUF->shwaddr);
}
break;
}
return;
}
/*-----------------------------------------------------------------------------------*/
/**
* Prepend Ethernet header to an outbound IP packet and see if we need
* to send out an ARP request.
*
* This function should be called before sending out an IP packet. The
* function checks the destination IP address of the IP packet to see
* what Ethernet MAC address that should be used as a destination MAC
* address on the Ethernet.
*
* If the destination IP address is in the local network (determined
* by logical ANDing of netmask and our IP address), the function
* checks the ARP cache to see if an entry for the destination IP
* address is found. If so, an Ethernet header is prepended and the
* function returns. If no ARP cache entry is found for the
* destination IP address, the packet in the uip_buf[] is replaced by
* an ARP request packet for the IP address. The IP packet is dropped
* and it is assumed that they higher level protocols (e.g., TCP)
* eventually will retransmit the dropped packet.
*
* If the destination IP address is not on the local network, the IP
* address of the default router is used instead.
*
* When the function returns, a packet is present in the uip_buf[]
* buffer, and the length of the packet is in the global variable
* uip_len.
*/
/*-----------------------------------------------------------------------------------*/
void
uip_arp_out(void)
{
struct arp_entry *tabptr = NULL;
/* Find the destination IP address in the ARP table and construct
the Ethernet header. If the destination IP addres isn't on the
local network, we use the default router's IP address instead.
If not ARP table entry is found, we overwrite the original IP
packet with an ARP request for the IP address. */
/* First check if destination is a local broadcast. */
if(uip_ipaddr_cmp(&IPBUF->destipaddr, &uip_broadcast_addr)) {
memcpy(IPBUF->ethhdr.dest.addr, broadcast_ethaddr.addr, 6);
} else {
/* Check if the destination address is on the local network. */
if(!uip_ipaddr_maskcmp(&IPBUF->destipaddr, &uip_hostaddr, &uip_netmask)) {
/* Destination address was not on the local network, so we need to
use the default router's IP address instead of the destination
address when determining the MAC address. */
uip_ipaddr_copy(&ipaddr, &uip_draddr);
} else {
/* Else, we use the destination IP address. */
uip_ipaddr_copy(&ipaddr, &IPBUF->destipaddr);
}
for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
tabptr = &arp_table[i];
if(uip_ipaddr_cmp(&ipaddr, &tabptr->ipaddr)) {
break;
}
}
if(i == UIP_ARPTAB_SIZE) {
/* The destination address was not in our ARP table, so we
overwrite the IP packet with an ARP request. */
memset(BUF->ethhdr.dest.addr, 0xff, 6);
memset(BUF->dhwaddr.addr, 0x00, 6);
memcpy(BUF->ethhdr.src.addr, uip_ethaddr.addr, 6);
memcpy(BUF->shwaddr.addr, uip_ethaddr.addr, 6);
uip_ipaddr_copy(&BUF->dipaddr, &ipaddr);
uip_ipaddr_copy(&BUF->sipaddr, &uip_hostaddr);
BUF->opcode = HTONS(ARP_REQUEST); /* ARP request. */
BUF->hwtype = HTONS(ARP_HWTYPE_ETH);
BUF->protocol = HTONS(UIP_ETHTYPE_IP);
BUF->hwlen = 6;
BUF->protolen = 4;
BUF->ethhdr.type = HTONS(UIP_ETHTYPE_ARP);
uip_appdata = &uip_buf[UIP_TCPIP_HLEN + UIP_LLH_LEN];
uip_len = sizeof(struct arp_hdr);
return;
}
/* Build an ethernet header. */
memcpy(IPBUF->ethhdr.dest.addr, tabptr->ethaddr.addr, 6);
}
memcpy(IPBUF->ethhdr.src.addr, uip_ethaddr.addr, 6);
IPBUF->ethhdr.type = HTONS(UIP_ETHTYPE_IP);
uip_len += sizeof(struct uip_eth_hdr);
}
/*-----------------------------------------------------------------------------------*/
/** @} */
/** @} */
/**
* \addtogroup uip
* @{
*/
/**
* \defgroup uiparp uIP Address Resolution Protocol
* @{
*
* The Address Resolution Protocol ARP is used for mapping between IP
* addresses and link level addresses such as the Ethernet MAC
* addresses. ARP uses broadcast queries to ask for the link level
* address of a known IP address and the host which is configured with
* the IP address for which the query was meant, will respond with its
* link level address.
*
* \note This ARP implementation only supports Ethernet.
*/
/**
* \file
* Implementation of the ARP Address Resolution Protocol.
* \author Adam Dunkels <adam@dunkels.com>
*
*/
/*
* Copyright (c) 2001-2003, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: uip_arp.c,v 1.5 2008/02/07 01:35:00 adamdunkels Exp $
*
*/
#include "uip_arp.h"
#include <string.h>
struct arp_hdr {
struct uip_eth_hdr ethhdr;
u16_t hwtype;
u16_t protocol;
u8_t hwlen;
u8_t protolen;
u16_t opcode;
struct uip_eth_addr shwaddr;
uip_ipaddr_t sipaddr;
struct uip_eth_addr dhwaddr;
uip_ipaddr_t dipaddr;
};
struct ethip_hdr {
struct uip_eth_hdr ethhdr;
/* IP header. */
u8_t vhl,
tos,
len[2],
ipid[2],
ipoffset[2],
ttl,
proto;
u16_t ipchksum;
uip_ipaddr_t srcipaddr, destipaddr;
};
#define ARP_REQUEST 1
#define ARP_REPLY 2
#define ARP_HWTYPE_ETH 1
struct arp_entry {
uip_ipaddr_t ipaddr;
struct uip_eth_addr ethaddr;
u8_t time;
};
static const struct uip_eth_addr broadcast_ethaddr =
{{0xff,0xff,0xff,0xff,0xff,0xff}};
static const u16_t broadcast_ipaddr[2] = {0xffff,0xffff};
static struct arp_entry arp_table[UIP_ARPTAB_SIZE];
static uip_ipaddr_t ipaddr;
static u8_t i, c;
static u8_t arptime;
static u8_t tmpage;
#define BUF ((struct arp_hdr *)&uip_buf[0])
#define IPBUF ((struct ethip_hdr *)&uip_buf[0])
#define DEBUG 0
#if DEBUG
#include <stdio.h>
#define PRINTF(...) printf(__VA_ARGS__)
#else
#define PRINTF(...)
#endif
/*-----------------------------------------------------------------------------------*/
/**
* Initialize the ARP module.
*
*/
/*-----------------------------------------------------------------------------------*/
void
uip_arp_init(void)
{
for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
memset(&arp_table[i].ipaddr, 0, 4);
}
}
/*-----------------------------------------------------------------------------------*/
/**
* Periodic ARP processing function.
*
* This function performs periodic timer processing in the ARP module
* and should be called at regular intervals. The recommended interval
* is 10 seconds between the calls.
*
*/
/*-----------------------------------------------------------------------------------*/
void
uip_arp_timer(void)
{
struct arp_entry *tabptr = NULL;
++arptime;
for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
tabptr = &arp_table[i];
if(uip_ipaddr_cmp(&tabptr->ipaddr, &uip_all_zeroes_addr) &&
arptime - tabptr->time >= UIP_ARP_MAXAGE) {
memset(&tabptr->ipaddr, 0, 4);
}
}
}
/*-----------------------------------------------------------------------------------*/
static void
uip_arp_update(uip_ipaddr_t *ipaddr, struct uip_eth_addr *ethaddr)
{
register struct arp_entry *tabptr = NULL;
/* Walk through the ARP mapping table and try to find an entry to
update. If none is found, the IP -> MAC address mapping is
inserted in the ARP table. */
for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
tabptr = &arp_table[i];
/* Only check those entries that are actually in use. */
if(!uip_ipaddr_cmp(&tabptr->ipaddr, &uip_all_zeroes_addr)) {
/* Check if the source IP address of the incoming packet matches
the IP address in this ARP table entry. */
if(uip_ipaddr_cmp(ipaddr, &tabptr->ipaddr)) {
/* An old entry found, update this and return. */
memcpy(tabptr->ethaddr.addr, ethaddr->addr, 6);
tabptr->time = arptime;
return;
}
}
}
/* If we get here, no existing ARP table entry was found, so we
create one. */
/* First, we try to find an unused entry in the ARP table. */
for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
tabptr = &arp_table[i];
if(uip_ipaddr_cmp(&tabptr->ipaddr, &uip_all_zeroes_addr)) {
break;
}
}
/* If no unused entry is found, we try to find the oldest entry and
throw it away. */
if(i == UIP_ARPTAB_SIZE) {
tmpage = 0;
c = 0;
for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
tabptr = &arp_table[i];
if(arptime - tabptr->time > tmpage) {
tmpage = arptime - tabptr->time;
c = i;
}
}
i = c;
tabptr = &arp_table[i];
}
/* Now, i is the ARP table entry which we will fill with the new
information. */
uip_ipaddr_copy(&tabptr->ipaddr, ipaddr);
memcpy(tabptr->ethaddr.addr, ethaddr->addr, 6);
tabptr->time = arptime;
}
/*-----------------------------------------------------------------------------------*/
/**
* ARP processing for incoming IP packets
*
* This function should be called by the device driver when an IP
* packet has been received. The function will check if the address is
* in the ARP cache, and if so the ARP cache entry will be
* refreshed. If no ARP cache entry was found, a new one is created.
*
* This function expects an IP packet with a prepended Ethernet header
* in the uip_buf[] buffer, and the length of the packet in the global
* variable uip_len.
*/
/*-----------------------------------------------------------------------------------*/
#if 0
void
uip_arp_ipin(void)
{
uip_len -= sizeof(struct uip_eth_hdr);
/* Only insert/update an entry if the source IP address of the
incoming IP packet comes from a host on the local network. */
if((IPBUF->srcipaddr[0] & uip_netmask[0]) !=
(uip_hostaddr[0] & uip_netmask[0])) {
return;
}
if((IPBUF->srcipaddr[1] & uip_netmask[1]) !=
(uip_hostaddr[1] & uip_netmask[1])) {
return;
}
uip_arp_update(IPBUF->srcipaddr, &(IPBUF->ethhdr.src));
return;
}
#endif /* 0 */
/*-----------------------------------------------------------------------------------*/
/**
* ARP processing for incoming ARP packets.
*
* This function should be called by the device driver when an ARP
* packet has been received. The function will act differently
* depending on the ARP packet type: if it is a reply for a request
* that we previously sent out, the ARP cache will be filled in with
* the values from the ARP reply. If the incoming ARP packet is an ARP
* request for our IP address, an ARP reply packet is created and put
* into the uip_buf[] buffer.
*
* When the function returns, the value of the global variable uip_len
* indicates whether the device driver should send out a packet or
* not. If uip_len is zero, no packet should be sent. If uip_len is
* non-zero, it contains the length of the outbound packet that is
* present in the uip_buf[] buffer.
*
* This function expects an ARP packet with a prepended Ethernet
* header in the uip_buf[] buffer, and the length of the packet in the
* global variable uip_len.
*/
/*-----------------------------------------------------------------------------------*/
void
uip_arp_arpin(void)
{
if(uip_len < sizeof(struct arp_hdr)) {
uip_len = 0;
return;
}
uip_len = 0;
switch(BUF->opcode) {
case HTONS(ARP_REQUEST):
/* ARP request. If it asked for our address, we send out a
reply. */
/* if(BUF->dipaddr[0] == uip_hostaddr[0] &&
BUF->dipaddr[1] == uip_hostaddr[1]) {*/
PRINTF("uip_arp_arpin: request for %d.%d.%d.%d (we are %d.%d.%d.%d)\n",
BUF->dipaddr.u8[0], BUF->dipaddr.u8[1],
BUF->dipaddr.u8[2], BUF->dipaddr.u8[3],
uip_hostaddr.u8[0], uip_hostaddr.u8[1],
uip_hostaddr.u8[2], uip_hostaddr.u8[3]);
if(uip_ipaddr_cmp(&BUF->dipaddr, &uip_hostaddr)) {
/* First, we register the one who made the request in our ARP
table, since it is likely that we will do more communication
with this host in the future. */
uip_arp_update(&BUF->sipaddr, &BUF->shwaddr);
BUF->opcode = HTONS(ARP_REPLY);
memcpy(BUF->dhwaddr.addr, BUF->shwaddr.addr, 6);
memcpy(BUF->shwaddr.addr, uip_ethaddr.addr, 6);
memcpy(BUF->ethhdr.src.addr, uip_ethaddr.addr, 6);
memcpy(BUF->ethhdr.dest.addr, BUF->dhwaddr.addr, 6);
uip_ipaddr_copy(&BUF->dipaddr, &BUF->sipaddr);
uip_ipaddr_copy(&BUF->sipaddr, &uip_hostaddr);
BUF->ethhdr.type = HTONS(UIP_ETHTYPE_ARP);
uip_len = sizeof(struct arp_hdr);
}
break;
case HTONS(ARP_REPLY):
/* ARP reply. We insert or update the ARP table if it was meant
for us. */
if(uip_ipaddr_cmp(&BUF->dipaddr, &uip_hostaddr)) {
uip_arp_update(&BUF->sipaddr, &BUF->shwaddr);
}
break;
}
return;
}
/*-----------------------------------------------------------------------------------*/
/**
* Prepend Ethernet header to an outbound IP packet and see if we need
* to send out an ARP request.
*
* This function should be called before sending out an IP packet. The
* function checks the destination IP address of the IP packet to see
* what Ethernet MAC address that should be used as a destination MAC
* address on the Ethernet.
*
* If the destination IP address is in the local network (determined
* by logical ANDing of netmask and our IP address), the function
* checks the ARP cache to see if an entry for the destination IP
* address is found. If so, an Ethernet header is prepended and the
* function returns. If no ARP cache entry is found for the
* destination IP address, the packet in the uip_buf[] is replaced by
* an ARP request packet for the IP address. The IP packet is dropped
* and it is assumed that they higher level protocols (e.g., TCP)
* eventually will retransmit the dropped packet.
*
* If the destination IP address is not on the local network, the IP
* address of the default router is used instead.
*
* When the function returns, a packet is present in the uip_buf[]
* buffer, and the length of the packet is in the global variable
* uip_len.
*/
/*-----------------------------------------------------------------------------------*/
void
uip_arp_out(void)
{
struct arp_entry *tabptr = NULL;
/* Find the destination IP address in the ARP table and construct
the Ethernet header. If the destination IP addres isn't on the
local network, we use the default router's IP address instead.
If not ARP table entry is found, we overwrite the original IP
packet with an ARP request for the IP address. */
/* First check if destination is a local broadcast. */
if(uip_ipaddr_cmp(&IPBUF->destipaddr, &uip_broadcast_addr)) {
memcpy(IPBUF->ethhdr.dest.addr, broadcast_ethaddr.addr, 6);
} else {
/* Check if the destination address is on the local network. */
if(!uip_ipaddr_maskcmp(&IPBUF->destipaddr, &uip_hostaddr, &uip_netmask)) {
/* Destination address was not on the local network, so we need to
use the default router's IP address instead of the destination
address when determining the MAC address. */
uip_ipaddr_copy(&ipaddr, &uip_draddr);
} else {
/* Else, we use the destination IP address. */
uip_ipaddr_copy(&ipaddr, &IPBUF->destipaddr);
}
for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
tabptr = &arp_table[i];
if(uip_ipaddr_cmp(&ipaddr, &tabptr->ipaddr)) {
break;
}
}
if(i == UIP_ARPTAB_SIZE) {
/* The destination address was not in our ARP table, so we
overwrite the IP packet with an ARP request. */
memset(BUF->ethhdr.dest.addr, 0xff, 6);
memset(BUF->dhwaddr.addr, 0x00, 6);
memcpy(BUF->ethhdr.src.addr, uip_ethaddr.addr, 6);
memcpy(BUF->shwaddr.addr, uip_ethaddr.addr, 6);
uip_ipaddr_copy(&BUF->dipaddr, &ipaddr);
uip_ipaddr_copy(&BUF->sipaddr, &uip_hostaddr);
BUF->opcode = HTONS(ARP_REQUEST); /* ARP request. */
BUF->hwtype = HTONS(ARP_HWTYPE_ETH);
BUF->protocol = HTONS(UIP_ETHTYPE_IP);
BUF->hwlen = 6;
BUF->protolen = 4;
BUF->ethhdr.type = HTONS(UIP_ETHTYPE_ARP);
uip_appdata = &uip_buf[UIP_TCPIP_HLEN + UIP_LLH_LEN];
uip_len = sizeof(struct arp_hdr);
return;
}
/* Build an ethernet header. */
memcpy(IPBUF->ethhdr.dest.addr, tabptr->ethaddr.addr, 6);
}
memcpy(IPBUF->ethhdr.src.addr, uip_ethaddr.addr, 6);
IPBUF->ethhdr.type = HTONS(UIP_ETHTYPE_IP);
uip_len += sizeof(struct uip_eth_hdr);
}
/*-----------------------------------------------------------------------------------*/
/** @} */
/** @} */

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@ -1,145 +1,145 @@
/**
* \addtogroup uip
* @{
*/
/**
* \addtogroup uiparp
* @{
*/
/**
* \file
* Macros and definitions for the ARP module.
* \author Adam Dunkels <adam@dunkels.com>
*/
/*
* Copyright (c) 2001-2003, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: uip_arp.h,v 1.2 2006/08/26 23:58:45 oliverschmidt Exp $
*
*/
#ifndef __UIP_ARP_H__
#define __UIP_ARP_H__
#include "uip.h"
extern struct uip_eth_addr uip_ethaddr;
/**
* The Ethernet header.
*/
struct uip_eth_hdr {
struct uip_eth_addr dest;
struct uip_eth_addr src;
u16_t type;
};
#define UIP_ETHTYPE_ARP 0x0806
#define UIP_ETHTYPE_IP 0x0800
#define UIP_ETHTYPE_IPV6 0x86dd
/* The uip_arp_init() function must be called before any of the other
ARP functions. */
void uip_arp_init(void);
/* The uip_arp_ipin() function should be called whenever an IP packet
arrives from the Ethernet. This function refreshes the ARP table or
inserts a new mapping if none exists. The function assumes that an
IP packet with an Ethernet header is present in the uip_buf buffer
and that the length of the packet is in the uip_len variable. */
/*void uip_arp_ipin(void);*/
#define uip_arp_ipin()
/* The uip_arp_arpin() should be called when an ARP packet is received
by the Ethernet driver. This function also assumes that the
Ethernet frame is present in the uip_buf buffer. When the
uip_arp_arpin() function returns, the contents of the uip_buf
buffer should be sent out on the Ethernet if the uip_len variable
is > 0. */
void uip_arp_arpin(void);
/* The uip_arp_out() function should be called when an IP packet
should be sent out on the Ethernet. This function creates an
Ethernet header before the IP header in the uip_buf buffer. The
Ethernet header will have the correct Ethernet MAC destination
address filled in if an ARP table entry for the destination IP
address (or the IP address of the default router) is present. If no
such table entry is found, the IP packet is overwritten with an ARP
request and we rely on TCP to retransmit the packet that was
overwritten. In any case, the uip_len variable holds the length of
the Ethernet frame that should be transmitted. */
void uip_arp_out(void);
/* The uip_arp_timer() function should be called every ten seconds. It
is responsible for flushing old entries in the ARP table. */
void uip_arp_timer(void);
/** @} */
/**
* \addtogroup uipconffunc
* @{
*/
/**
* Specifiy the Ethernet MAC address.
*
* The ARP code needs to know the MAC address of the Ethernet card in
* order to be able to respond to ARP queries and to generate working
* Ethernet headers.
*
* \note This macro only specifies the Ethernet MAC address to the ARP
* code. It cannot be used to change the MAC address of the Ethernet
* card.
*
* \param eaddr A pointer to a struct uip_eth_addr containing the
* Ethernet MAC address of the Ethernet card.
*
* \hideinitializer
*/
#define uip_setethaddr(eaddr) do {uip_ethaddr.addr[0] = eaddr.addr[0]; \
uip_ethaddr.addr[1] = eaddr.addr[1];\
uip_ethaddr.addr[2] = eaddr.addr[2];\
uip_ethaddr.addr[3] = eaddr.addr[3];\
uip_ethaddr.addr[4] = eaddr.addr[4];\
uip_ethaddr.addr[5] = eaddr.addr[5];} while(0)
/** @} */
#endif /* __UIP_ARP_H__ */
/** @} */
/**
* \addtogroup uip
* @{
*/
/**
* \addtogroup uiparp
* @{
*/
/**
* \file
* Macros and definitions for the ARP module.
* \author Adam Dunkels <adam@dunkels.com>
*/
/*
* Copyright (c) 2001-2003, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: uip_arp.h,v 1.2 2006/08/26 23:58:45 oliverschmidt Exp $
*
*/
#ifndef __UIP_ARP_H__
#define __UIP_ARP_H__
#include "uip.h"
extern struct uip_eth_addr uip_ethaddr;
/**
* The Ethernet header.
*/
struct uip_eth_hdr {
struct uip_eth_addr dest;
struct uip_eth_addr src;
u16_t type;
};
#define UIP_ETHTYPE_ARP 0x0806
#define UIP_ETHTYPE_IP 0x0800
#define UIP_ETHTYPE_IPV6 0x86dd
/* The uip_arp_init() function must be called before any of the other
ARP functions. */
void uip_arp_init(void);
/* The uip_arp_ipin() function should be called whenever an IP packet
arrives from the Ethernet. This function refreshes the ARP table or
inserts a new mapping if none exists. The function assumes that an
IP packet with an Ethernet header is present in the uip_buf buffer
and that the length of the packet is in the uip_len variable. */
/*void uip_arp_ipin(void);*/
#define uip_arp_ipin()
/* The uip_arp_arpin() should be called when an ARP packet is received
by the Ethernet driver. This function also assumes that the
Ethernet frame is present in the uip_buf buffer. When the
uip_arp_arpin() function returns, the contents of the uip_buf
buffer should be sent out on the Ethernet if the uip_len variable
is > 0. */
void uip_arp_arpin(void);
/* The uip_arp_out() function should be called when an IP packet
should be sent out on the Ethernet. This function creates an
Ethernet header before the IP header in the uip_buf buffer. The
Ethernet header will have the correct Ethernet MAC destination
address filled in if an ARP table entry for the destination IP
address (or the IP address of the default router) is present. If no
such table entry is found, the IP packet is overwritten with an ARP
request and we rely on TCP to retransmit the packet that was
overwritten. In any case, the uip_len variable holds the length of
the Ethernet frame that should be transmitted. */
void uip_arp_out(void);
/* The uip_arp_timer() function should be called every ten seconds. It
is responsible for flushing old entries in the ARP table. */
void uip_arp_timer(void);
/** @} */
/**
* \addtogroup uipconffunc
* @{
*/
/**
* Specifiy the Ethernet MAC address.
*
* The ARP code needs to know the MAC address of the Ethernet card in
* order to be able to respond to ARP queries and to generate working
* Ethernet headers.
*
* \note This macro only specifies the Ethernet MAC address to the ARP
* code. It cannot be used to change the MAC address of the Ethernet
* card.
*
* \param eaddr A pointer to a struct uip_eth_addr containing the
* Ethernet MAC address of the Ethernet card.
*
* \hideinitializer
*/
#define uip_setethaddr(eaddr) do {uip_ethaddr.addr[0] = eaddr.addr[0]; \
uip_ethaddr.addr[1] = eaddr.addr[1];\
uip_ethaddr.addr[2] = eaddr.addr[2];\
uip_ethaddr.addr[3] = eaddr.addr[3];\
uip_ethaddr.addr[4] = eaddr.addr[4];\
uip_ethaddr.addr[5] = eaddr.addr[5];} while(0)
/** @} */
#endif /* __UIP_ARP_H__ */
/** @} */

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