200 lines
8.3 KiB
C
200 lines
8.3 KiB
C
/*
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LUFA Library
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Copyright (C) Dean Camera, 2012.
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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*/
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/*
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Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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/** \file
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*
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* Header file for BluetoothACLPackets.c.
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*/
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#ifndef _BLUETOOTH_ACLPACKETS_
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#define _BLUETOOTH_ACLPACKETS_
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/* Includes: */
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#include <avr/io.h>
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#include <string.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <LUFA/Drivers/USB/USB.h>
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#include <LUFA/Drivers/Peripheral/Serial.h>
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#include "BluetoothStack.h"
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/* Macros: */
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#define BT_ACL_DEBUG(l, s, ...) do { if (ACL_DEBUG_LEVEL >= l) printf_P(PSTR("(ACL) " s "\r\n"), ##__VA_ARGS__); } while (0)
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#define ACL_DEBUG_LEVEL 0
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/** Lowest possible channel number for L2CAP data channels. */
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#define BT_CHANNELNUMBER_BASEOFFSET 0x0040
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/** Bluetooth specification defined channel number for signaling commands. */
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#define BT_CHANNEL_SIGNALING 0x0001
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/** Bluetooth specification defined channel number for connectionless data. */
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#define BT_CHANNEL_CONNECTIONLESS 0x0002
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#define BT_ACL_FIRST_AUTOFLUSH (1 << 13)
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#define BT_SIGNAL_COMMAND_REJECT 0x01
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#define BT_SIGNAL_CONNECTION_REQUEST 0x02
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#define BT_SIGNAL_CONNECTION_RESPONSE 0x03
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#define BT_SIGNAL_CONFIGURATION_REQUEST 0x04
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#define BT_SIGNAL_CONFIGURATION_RESPONSE 0x05
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#define BT_SIGNAL_DISCONNECTION_REQUEST 0x06
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#define BT_SIGNAL_DISCONNECTION_RESPONSE 0x07
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#define BT_SIGNAL_ECHO_REQUEST 0x08
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#define BT_SIGNAL_ECHO_RESPONSE 0x09
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#define BT_SIGNAL_INFORMATION_REQUEST 0x0A
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#define BT_SIGNAL_INFORMATION_RESPONSE 0x0B
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#define BT_INFOREQ_MTU 0x0001
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#define BT_INFOREQ_EXTENDEDFEATURES 0x0002
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#define BT_INFORMATION_SUCCESSFUL 0x0000
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#define BT_INFORMATION_NOTSUPPORTED 0x0001
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#define BT_CONNECTION_SUCCESSFUL 0x0000
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#define BT_CONNECTION_REFUSED_PSM 0x0002
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#define BT_CONNECTION_REFUSED_RESOURCES 0x0004
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#define BT_CONFIGURATION_SUCCESSFUL 0x0000
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#define BT_CONFIGURATION_REJECTED 0x0002
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#define BT_CONFIGURATION_UNKNOWNOPTIONS 0x0003
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#define BT_CONFIG_OPTION_MTU 1
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/* Type Defines: */
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/** Bluetooth ACL header structure, common to all ACL data packets. */
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typedef struct
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{
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uint16_t ConnectionHandle; /**< Unique device connection handle of the ACL packet */
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uint16_t DataLength; /**< Length of the packet payload, in bytes */
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} BT_ACL_Header_t;
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/** Bluetooth ACL data packet header structure, for ACL packets containing L2CAP data. */
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typedef struct
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{
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uint16_t PayloadLength; /**< Size of the data payload, in bytes */
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uint16_t DestinationChannel; /**< Destination channel in the device the data is directed to */
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} BT_DataPacket_Header_t;
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/** Bluetooth signaling command header structure, for all ACL packets containing a signaling command. */
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typedef struct
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{
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uint8_t Code; /**< Signal code, a \c BT_SIGNAL_* mask value */
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uint8_t Identifier; /**< Unique signal command identifier to link requests and responses */
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uint16_t Length; /**< Length of the signaling command data, in bytes */
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} BT_Signal_Header_t;
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/** Connection Request signaling command structure, for channel connection requests. */
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typedef struct
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{
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uint16_t PSM; /**< Type of data the channel will carry, a \c CHANNEL_PSM_* mask value */
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uint16_t SourceChannel; /**< Channel source on the sending device this channel will link to */
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} BT_Signal_ConnectionReq_t;
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/** Connection response signaling command structure, for responses to channel connection requests. */
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typedef struct
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{
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uint16_t DestinationChannel; /**< Destination device channel that the connection request was processed on */
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uint16_t SourceChannel; /**< Source device channel address that the connection request came from */
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uint16_t Result; /**< Connection result, a \c BT_CONNECTION_* mask value */
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uint16_t Status; /**< Status of the request if the result was set to the Pending value */
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} BT_Signal_ConnectionResp_t;
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/** Disconnection request signaling command structure, for channel disconnection requests. */
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typedef struct
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{
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uint16_t DestinationChannel; /**< Destination channel address which is to be disconnected */
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uint16_t SourceChannel; /**< Source channel address which is to be disconnected */
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} BT_Signal_DisconnectionReq_t;
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/** Disconnection response signaling command structure, for responses to channel disconnection requests. */
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typedef struct
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{
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uint16_t DestinationChannel; /**< Destination channel address which was disconnected */
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uint16_t SourceChannel; /**< Source channel address which was disconnected */
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} BT_Signal_DisconnectionResp_t;
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/** Configuration Request signaling command structure, for channel configuration requests. */
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typedef struct
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{
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uint16_t DestinationChannel; /**< Destination channel address which is to be configured */
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uint16_t Flags; /**< Configuration flags for the request, including command continuation */
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} BT_Signal_ConfigurationReq_t;
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/** Configuration Response signaling command structure, for responses to channel configuration requests. */
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typedef struct
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{
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uint16_t SourceChannel; /**< Source channel that the configuration request was directed at */
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uint16_t Flags; /**< Configuration flags for the response, including response continuation */
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uint16_t Result; /**< Configuration result, a \c BT_CONFIGURATION_* mask value */
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} BT_Signal_ConfigurationResp_t;
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/** Information Request signaling command structure, for device information requests. */
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typedef struct
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{
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uint16_t InfoType; /**< Data type that is being requested, a \c BT_INFOREQ_* mask value */
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} BT_Signal_InformationReq_t;
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/** Information Response signaling command structure, for responses to information requests. */
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typedef struct
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{
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uint16_t InfoType; /**< Data type that was requested, a \c BT_INFOREQ_* mask value */
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uint16_t Result; /**< Result of the request, a \c BT_INFORMATION_* mask value */
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} BT_Signal_InformationResp_t;
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/** Configuration Option header structure, placed at the start of each option in a Channel Configuration
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* request's options list.
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*/
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typedef struct
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{
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uint8_t Type; /**< Option type, a \c BT_CONFIG_OPTION_* mask value */
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uint8_t Length; /**< Length of the option's value, in bytes */
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} BT_Config_Option_Header_t;
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/* Function Prototypes: */
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void Bluetooth_ACLTask(void);
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#if defined(INCLUDE_FROM_BLUETOOTH_ACLPACKETS_C)
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static void Bluetooth_ProcessIncomingACLPackets(void);
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static inline void Bluetooth_Signal_ConnectionReq(const BT_Signal_Header_t* const SignalCommandHeader);
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static inline void Bluetooth_Signal_ConnectionResp(const BT_Signal_Header_t* const SignalCommandHeader);
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static inline void Bluetooth_Signal_ConfigurationReq(const BT_Signal_Header_t* const SignalCommandHeader);
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static inline void Bluetooth_Signal_ConfigurationResp(const BT_Signal_Header_t* const SignalCommandHeader);
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static inline void Bluetooth_Signal_DisconnectionReq(const BT_Signal_Header_t* const SignalCommandHeader);
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static inline void Bluetooth_Signal_DisconnectionResp(const BT_Signal_Header_t* const SignalCommandHeader);
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static inline void Bluetooth_Signal_EchoReq(const BT_Signal_Header_t* const SignalCommandHeader);
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static inline void Bluetooth_Signal_InformationReq(const BT_Signal_Header_t* const SignalCommandHeader);
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#endif
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#endif
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