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.
This commit is contained in:
Dean Camera
parent
e331b531c6
commit
071e02c6b6
839 changed files with 274562 additions and 274562 deletions
|
|
@ -1,166 +1,166 @@
|
|||
/*
|
||||
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
|
||||
*
|
||||
* USB Device Configuration Descriptor processing routines, to determine the correct pipe configurations
|
||||
* needed to communication with an attached USB device. Descriptors are special computer-readable structures
|
||||
* which the host requests upon device enumeration, to determine the device's capabilities and functions.
|
||||
*/
|
||||
|
||||
#include "ConfigDescriptor.h"
|
||||
|
||||
/** Reads and processes an attached device's descriptors, to determine compatibility and pipe configurations. This
|
||||
* routine will read in the entire configuration descriptor, and configure the hosts pipes to correctly communicate
|
||||
* with compatible devices.
|
||||
*
|
||||
* This routine searches for a MSD interface descriptor containing bulk IN and OUT data endpoints.
|
||||
*
|
||||
* \return An error code from the \ref MassStorageHost_GetConfigDescriptorDataCodes_t enum.
|
||||
*/
|
||||
uint8_t ProcessConfigurationDescriptor(void)
|
||||
{
|
||||
uint8_t ConfigDescriptorData[512];
|
||||
void* CurrConfigLocation = ConfigDescriptorData;
|
||||
uint16_t CurrConfigBytesRem;
|
||||
uint8_t FoundEndpoints = 0;
|
||||
|
||||
/* Retrieve the entire configuration descriptor into the allocated buffer */
|
||||
switch (USB_Host_GetDeviceConfigDescriptor(1, &CurrConfigBytesRem, ConfigDescriptorData, sizeof(ConfigDescriptorData)))
|
||||
{
|
||||
case HOST_GETCONFIG_Successful:
|
||||
break;
|
||||
case HOST_GETCONFIG_InvalidData:
|
||||
return InvalidConfigDataReturned;
|
||||
case HOST_GETCONFIG_BuffOverflow:
|
||||
return DescriptorTooLarge;
|
||||
default:
|
||||
return ControlError;
|
||||
}
|
||||
|
||||
/* Get the mass storage interface from the configuration descriptor */
|
||||
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
|
||||
DComp_NextMSInterface) != DESCRIPTOR_SEARCH_COMP_Found)
|
||||
{
|
||||
/* Descriptor not found, error out */
|
||||
return NoInterfaceFound;
|
||||
}
|
||||
|
||||
/* Get the IN and OUT data endpoints for the mass storage interface */
|
||||
while (FoundEndpoints != ((1 << MASS_STORE_DATA_IN_PIPE) | (1 << MASS_STORE_DATA_OUT_PIPE)))
|
||||
{
|
||||
/* Fetch the next bulk endpoint from the current mass storage interface */
|
||||
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
|
||||
DComp_NextMSInterfaceBulkDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
|
||||
{
|
||||
/* Descriptor not found, error out */
|
||||
return NoEndpointFound;
|
||||
}
|
||||
|
||||
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Endpoint_t);
|
||||
|
||||
/* Check if the endpoint is a bulk IN or bulk OUT endpoint, set appropriate globals */
|
||||
if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
|
||||
{
|
||||
/* Configure the data IN pipe */
|
||||
Pipe_ConfigurePipe(MASS_STORE_DATA_IN_PIPE, EP_TYPE_BULK, PIPE_TOKEN_IN,
|
||||
EndpointData->EndpointAddress, EndpointData->EndpointSize,
|
||||
PIPE_BANK_DOUBLE);
|
||||
|
||||
/* Set the flag indicating that the data IN pipe has been found */
|
||||
FoundEndpoints |= (1 << MASS_STORE_DATA_IN_PIPE);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Configure the data OUT pipe */
|
||||
Pipe_ConfigurePipe(MASS_STORE_DATA_OUT_PIPE, EP_TYPE_BULK, PIPE_TOKEN_OUT,
|
||||
EndpointData->EndpointAddress, EndpointData->EndpointSize,
|
||||
PIPE_BANK_DOUBLE);
|
||||
|
||||
/* Set the flag indicating that the data OUT pipe has been found */
|
||||
FoundEndpoints |= (1 << MASS_STORE_DATA_OUT_PIPE);
|
||||
}
|
||||
}
|
||||
|
||||
/* Valid data found, return success */
|
||||
return SuccessfulConfigRead;
|
||||
}
|
||||
|
||||
/** Descriptor comparator function. This comparator function is can be called while processing an attached USB device's
|
||||
* configuration descriptor, to search for a specific sub descriptor. It can also be used to abort the configuration
|
||||
* descriptor processing if an incompatible descriptor configuration is found.
|
||||
*
|
||||
* This comparator searches for the next Interface descriptor of the correct Mass Storage Class, Subclass and Protocol values.
|
||||
*
|
||||
* \return A value from the DSEARCH_Return_ErrorCodes_t enum
|
||||
*/
|
||||
uint8_t DComp_NextMSInterface(void* CurrentDescriptor)
|
||||
{
|
||||
if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
|
||||
{
|
||||
/* Check the descriptor class and protocol, break out if correct class/protocol interface found */
|
||||
if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class == MASS_STORE_CLASS) &&
|
||||
(DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == MASS_STORE_SUBCLASS) &&
|
||||
(DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == MASS_STORE_PROTOCOL))
|
||||
{
|
||||
return DESCRIPTOR_SEARCH_Found;
|
||||
}
|
||||
}
|
||||
|
||||
return DESCRIPTOR_SEARCH_NotFound;
|
||||
}
|
||||
|
||||
/** Descriptor comparator function. This comparator function is can be called while processing an attached USB device's
|
||||
* configuration descriptor, to search for a specific sub descriptor. It can also be used to abort the configuration
|
||||
* descriptor processing if an incompatible descriptor configuration is found.
|
||||
*
|
||||
* This comparator searches for the next Bulk Endpoint descriptor of the correct MSD interface, aborting the search if
|
||||
* another interface descriptor is found before the next endpoint.
|
||||
*
|
||||
* \return A value from the DSEARCH_Return_ErrorCodes_t enum
|
||||
*/
|
||||
uint8_t DComp_NextMSInterfaceBulkDataEndpoint(void* CurrentDescriptor)
|
||||
{
|
||||
if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
|
||||
{
|
||||
uint8_t EndpointType = (DESCRIPTOR_CAST(CurrentDescriptor,
|
||||
USB_Descriptor_Endpoint_t).Attributes & EP_TYPE_MASK);
|
||||
|
||||
/* Check the endpoint type, break out if correct BULK type endpoint found */
|
||||
if (EndpointType == EP_TYPE_BULK)
|
||||
return DESCRIPTOR_SEARCH_Found;
|
||||
}
|
||||
else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
|
||||
{
|
||||
return DESCRIPTOR_SEARCH_Fail;
|
||||
}
|
||||
|
||||
return DESCRIPTOR_SEARCH_NotFound;
|
||||
}
|
||||
/*
|
||||
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
|
||||
*
|
||||
* USB Device Configuration Descriptor processing routines, to determine the correct pipe configurations
|
||||
* needed to communication with an attached USB device. Descriptors are special computer-readable structures
|
||||
* which the host requests upon device enumeration, to determine the device's capabilities and functions.
|
||||
*/
|
||||
|
||||
#include "ConfigDescriptor.h"
|
||||
|
||||
/** Reads and processes an attached device's descriptors, to determine compatibility and pipe configurations. This
|
||||
* routine will read in the entire configuration descriptor, and configure the hosts pipes to correctly communicate
|
||||
* with compatible devices.
|
||||
*
|
||||
* This routine searches for a MSD interface descriptor containing bulk IN and OUT data endpoints.
|
||||
*
|
||||
* \return An error code from the \ref MassStorageHost_GetConfigDescriptorDataCodes_t enum.
|
||||
*/
|
||||
uint8_t ProcessConfigurationDescriptor(void)
|
||||
{
|
||||
uint8_t ConfigDescriptorData[512];
|
||||
void* CurrConfigLocation = ConfigDescriptorData;
|
||||
uint16_t CurrConfigBytesRem;
|
||||
uint8_t FoundEndpoints = 0;
|
||||
|
||||
/* Retrieve the entire configuration descriptor into the allocated buffer */
|
||||
switch (USB_Host_GetDeviceConfigDescriptor(1, &CurrConfigBytesRem, ConfigDescriptorData, sizeof(ConfigDescriptorData)))
|
||||
{
|
||||
case HOST_GETCONFIG_Successful:
|
||||
break;
|
||||
case HOST_GETCONFIG_InvalidData:
|
||||
return InvalidConfigDataReturned;
|
||||
case HOST_GETCONFIG_BuffOverflow:
|
||||
return DescriptorTooLarge;
|
||||
default:
|
||||
return ControlError;
|
||||
}
|
||||
|
||||
/* Get the mass storage interface from the configuration descriptor */
|
||||
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
|
||||
DComp_NextMSInterface) != DESCRIPTOR_SEARCH_COMP_Found)
|
||||
{
|
||||
/* Descriptor not found, error out */
|
||||
return NoInterfaceFound;
|
||||
}
|
||||
|
||||
/* Get the IN and OUT data endpoints for the mass storage interface */
|
||||
while (FoundEndpoints != ((1 << MASS_STORE_DATA_IN_PIPE) | (1 << MASS_STORE_DATA_OUT_PIPE)))
|
||||
{
|
||||
/* Fetch the next bulk endpoint from the current mass storage interface */
|
||||
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
|
||||
DComp_NextMSInterfaceBulkDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
|
||||
{
|
||||
/* Descriptor not found, error out */
|
||||
return NoEndpointFound;
|
||||
}
|
||||
|
||||
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Endpoint_t);
|
||||
|
||||
/* Check if the endpoint is a bulk IN or bulk OUT endpoint, set appropriate globals */
|
||||
if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
|
||||
{
|
||||
/* Configure the data IN pipe */
|
||||
Pipe_ConfigurePipe(MASS_STORE_DATA_IN_PIPE, EP_TYPE_BULK, PIPE_TOKEN_IN,
|
||||
EndpointData->EndpointAddress, EndpointData->EndpointSize,
|
||||
PIPE_BANK_DOUBLE);
|
||||
|
||||
/* Set the flag indicating that the data IN pipe has been found */
|
||||
FoundEndpoints |= (1 << MASS_STORE_DATA_IN_PIPE);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Configure the data OUT pipe */
|
||||
Pipe_ConfigurePipe(MASS_STORE_DATA_OUT_PIPE, EP_TYPE_BULK, PIPE_TOKEN_OUT,
|
||||
EndpointData->EndpointAddress, EndpointData->EndpointSize,
|
||||
PIPE_BANK_DOUBLE);
|
||||
|
||||
/* Set the flag indicating that the data OUT pipe has been found */
|
||||
FoundEndpoints |= (1 << MASS_STORE_DATA_OUT_PIPE);
|
||||
}
|
||||
}
|
||||
|
||||
/* Valid data found, return success */
|
||||
return SuccessfulConfigRead;
|
||||
}
|
||||
|
||||
/** Descriptor comparator function. This comparator function is can be called while processing an attached USB device's
|
||||
* configuration descriptor, to search for a specific sub descriptor. It can also be used to abort the configuration
|
||||
* descriptor processing if an incompatible descriptor configuration is found.
|
||||
*
|
||||
* This comparator searches for the next Interface descriptor of the correct Mass Storage Class, Subclass and Protocol values.
|
||||
*
|
||||
* \return A value from the DSEARCH_Return_ErrorCodes_t enum
|
||||
*/
|
||||
uint8_t DComp_NextMSInterface(void* CurrentDescriptor)
|
||||
{
|
||||
if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
|
||||
{
|
||||
/* Check the descriptor class and protocol, break out if correct class/protocol interface found */
|
||||
if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class == MASS_STORE_CLASS) &&
|
||||
(DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == MASS_STORE_SUBCLASS) &&
|
||||
(DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == MASS_STORE_PROTOCOL))
|
||||
{
|
||||
return DESCRIPTOR_SEARCH_Found;
|
||||
}
|
||||
}
|
||||
|
||||
return DESCRIPTOR_SEARCH_NotFound;
|
||||
}
|
||||
|
||||
/** Descriptor comparator function. This comparator function is can be called while processing an attached USB device's
|
||||
* configuration descriptor, to search for a specific sub descriptor. It can also be used to abort the configuration
|
||||
* descriptor processing if an incompatible descriptor configuration is found.
|
||||
*
|
||||
* This comparator searches for the next Bulk Endpoint descriptor of the correct MSD interface, aborting the search if
|
||||
* another interface descriptor is found before the next endpoint.
|
||||
*
|
||||
* \return A value from the DSEARCH_Return_ErrorCodes_t enum
|
||||
*/
|
||||
uint8_t DComp_NextMSInterfaceBulkDataEndpoint(void* CurrentDescriptor)
|
||||
{
|
||||
if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
|
||||
{
|
||||
uint8_t EndpointType = (DESCRIPTOR_CAST(CurrentDescriptor,
|
||||
USB_Descriptor_Endpoint_t).Attributes & EP_TYPE_MASK);
|
||||
|
||||
/* Check the endpoint type, break out if correct BULK type endpoint found */
|
||||
if (EndpointType == EP_TYPE_BULK)
|
||||
return DESCRIPTOR_SEARCH_Found;
|
||||
}
|
||||
else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
|
||||
{
|
||||
return DESCRIPTOR_SEARCH_Fail;
|
||||
}
|
||||
|
||||
return DESCRIPTOR_SEARCH_NotFound;
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue