diff options
Diffstat (limited to 'Demos/Host/Incomplete/BluetoothHost/Lib/RFCOMMControl.c')
| -rw-r--r-- | Demos/Host/Incomplete/BluetoothHost/Lib/RFCOMMControl.c | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/Demos/Host/Incomplete/BluetoothHost/Lib/RFCOMMControl.c b/Demos/Host/Incomplete/BluetoothHost/Lib/RFCOMMControl.c deleted file mode 100644 index 890154468..000000000 --- a/Demos/Host/Incomplete/BluetoothHost/Lib/RFCOMMControl.c +++ /dev/null @@ -1,245 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2012. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2012 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 - * - * RFCOMM multiplexer control layer module. This module handles multiplexer - * channel commands to the control DLCI in the RFCOMM layer, to open, configure, - * test and close logical RFCOMM channels. - */ - -#define INCLUDE_FROM_RFCOMM_CONTROL_C -#include "RFCOMMControl.h" - -void RFCOMM_ProcessControlCommand(const uint8_t* Command, - Bluetooth_Channel_t* const ACLChannel) -{ - const RFCOMM_Command_t* CommandHeader = (const RFCOMM_Command_t*)Command; - const uint8_t* CommandData = (const uint8_t*)Command + sizeof(RFCOMM_Command_t); - uint8_t CommandDataLen = RFCOMM_GetVariableFieldValue(&CommandData); - - switch (CommandHeader->Command) - { - case RFCOMM_Control_Test: - RFCOMM_ProcessTestCommand(CommandHeader, CommandDataLen, CommandData, ACLChannel); - break; - case RFCOMM_Control_FlowControlEnable: - RFCOMM_ProcessFCECommand(CommandHeader, CommandData, ACLChannel); - break; - case RFCOMM_Control_FlowControlDisable: - RFCOMM_ProcessFCDCommand(CommandHeader, CommandData, ACLChannel); - break; - case RFCOMM_Control_ModemStatus: - RFCOMM_ProcessMSCCommand(CommandHeader, CommandDataLen, CommandData, ACLChannel); - break; - case RFCOMM_Control_RemotePortNegotiation: - RFCOMM_ProcessRPNCommand(CommandHeader, CommandData, ACLChannel); - break; - case RFCOMM_Control_RemoteLineStatus: - RFCOMM_ProcessRLSCommand(CommandHeader, CommandData, ACLChannel); - break; - case RFCOMM_Control_DLCParameterNegotiation: - RFCOMM_ProcessDPNCommand(CommandHeader, CommandData, ACLChannel); - break; - default: - BT_RFCOMM_DEBUG(1, "<< Unknown Command"); - break; - } -} - -static void RFCOMM_ProcessTestCommand(const RFCOMM_Command_t* const CommandHeader, - const uint8_t CommandDataLen, - const uint8_t* CommandData, - Bluetooth_Channel_t* const ACLChannel) -{ - const uint8_t* Params = (const uint8_t*)CommandData; - - BT_RFCOMM_DEBUG(1, "<< TEST Command"); - - struct - { - RFCOMM_Command_t CommandHeader; - uint8_t Length; - uint8_t TestData[CommandDataLen]; - } TestResponse; - - /* Fill out the Test response data */ - TestResponse.CommandHeader = (RFCOMM_Command_t){.Command = RFCOMM_Control_Test, .EA = true, .CR = false}; - TestResponse.Length = (CommandDataLen << 1) | 0x01; - memcpy(TestResponse.TestData, Params, CommandDataLen); - - BT_RFCOMM_DEBUG(1, ">> TEST Response"); - - /* Send the PDN response to acknowledge the command */ - RFCOMM_SendFrame(RFCOMM_CONTROL_DLCI, false, RFCOMM_Frame_UIH, sizeof(TestResponse), &TestResponse, ACLChannel); -} - -static void RFCOMM_ProcessFCECommand(const RFCOMM_Command_t* const CommandHeader, - const uint8_t* CommandData, - Bluetooth_Channel_t* const ACLChannel) -{ - BT_RFCOMM_DEBUG(1, "<< FCE Command"); -} - -static void RFCOMM_ProcessFCDCommand(const RFCOMM_Command_t* const CommandHeader, - const uint8_t* CommandData, - Bluetooth_Channel_t* const ACLChannel) -{ - BT_RFCOMM_DEBUG(1, "<< FCD Command"); -} - -static void RFCOMM_ProcessMSCCommand(const RFCOMM_Command_t* const CommandHeader, - const uint8_t CommandDataLen, - const uint8_t* CommandData, - Bluetooth_Channel_t* const ACLChannel) -{ - const RFCOMM_MSC_Parameters_t* Params = (const RFCOMM_MSC_Parameters_t*)CommandData; - - BT_RFCOMM_DEBUG(1, "<< MSC %s", (CommandHeader->CR) ? "Command" : "Response"); - BT_RFCOMM_DEBUG(2, "-- DLCI: 0x%02X", Params->Channel.DLCI); - - /* Ignore status flags sent to the control channel */ - if (Params->Channel.DLCI == RFCOMM_CONTROL_DLCI) - return; - - /* Retrieve existing channel configuration data, if already opened */ - RFCOMM_Channel_t* RFCOMMChannel = RFCOMM_GetChannelData(Params->Channel.DLCI); - - /* If the channel does not exist, abort */ - if (RFCOMMChannel == NULL) - return; - - /* Check if the MSC packet is a command or a response */ - if (CommandHeader->CR) - { - /* Save the new channel signals to the channel state structure */ - RFCOMMChannel->Remote.Signals = Params->Signals; - RFCOMMChannel->ConfigFlags |= RFCOMM_CONFIG_REMOTESIGNALS; - - /* If the command contains the optional break signals field, store the value */ - if (CommandDataLen == sizeof(RFCOMM_MSC_Parameters_t)) - RFCOMMChannel->Remote.BreakSignal = Params->BreakSignal; - - /* Notify the user application that the signals have been received */ - RFCOMM_ChannelSignalsReceived(RFCOMMChannel); - - struct - { - RFCOMM_Command_t CommandHeader; - uint8_t Length; - RFCOMM_MSC_Parameters_t Params; - } MSResponse; - - /* Fill out the MS response data */ - MSResponse.CommandHeader = (RFCOMM_Command_t){.Command = RFCOMM_Control_ModemStatus, .EA = true, .CR = false}; - MSResponse.Length = (CommandDataLen << 1) | 0x01; - memcpy(&MSResponse.Params, Params, sizeof(RFCOMM_MSC_Parameters_t)); - - BT_RFCOMM_DEBUG(1, ">> MSC Response"); - - /* Send the MSC response to acknowledge the command */ - RFCOMM_SendFrame(RFCOMM_CONTROL_DLCI, false, RFCOMM_Frame_UIH, - (sizeof(MSResponse) - sizeof(MSResponse.Params) + CommandDataLen), &MSResponse, ACLChannel); - } - else - { - /* Indicate that the remote device has acknowledged the sent signals */ - RFCOMMChannel->ConfigFlags |= RFCOMM_CONFIG_LOCALSIGNALS; - } -} - -static void RFCOMM_ProcessRPNCommand(const RFCOMM_Command_t* const CommandHeader, - const uint8_t* CommandData, - Bluetooth_Channel_t* const ACLChannel) -{ - BT_RFCOMM_DEBUG(1, "<< RPN Command"); -} - -static void RFCOMM_ProcessRLSCommand(const RFCOMM_Command_t* const CommandHeader, - const uint8_t* CommandData, - Bluetooth_Channel_t* const ACLChannel) -{ - BT_RFCOMM_DEBUG(1, "<< RLS Command"); -} - -static void RFCOMM_ProcessDPNCommand(const RFCOMM_Command_t* const CommandHeader, - const uint8_t* CommandData, - Bluetooth_Channel_t* const ACLChannel) -{ - const RFCOMM_DPN_Parameters_t* Params = (const RFCOMM_DPN_Parameters_t*)CommandData; - - BT_RFCOMM_DEBUG(1, "<< DPN Command"); - BT_RFCOMM_DEBUG(2, "-- DLCI: 0x%02X", Params->DLCI); - - /* Ignore parameter negotiations to the control channel */ - if (Params->DLCI == RFCOMM_CONTROL_DLCI) - return; - - /* Retrieve existing channel configuration data, if already opened */ - RFCOMM_Channel_t* RFCOMMChannel = RFCOMM_GetChannelData(Params->DLCI); - - /* Check if the channel has no corresponding entry - remote did not open it first */ - if (RFCOMMChannel == NULL) - { - /* Create a new entry in the channel table for the new channel */ - RFCOMMChannel = RFCOMM_GetFreeChannelEntry(Params->DLCI); - - /* No free entry was found, discard the request */ - if (RFCOMMChannel == NULL) - { - BT_RFCOMM_DEBUG(2, "-- No Free Channel"); - return; - } - } - - /* Save the new channel configuration */ - RFCOMMChannel->State = RFCOMM_Channel_Configure; - RFCOMMChannel->Priority = Params->Priority; - RFCOMMChannel->MTU = Params->MaximumFrameSize; - - struct - { - RFCOMM_Command_t CommandHeader; - uint8_t Length; - RFCOMM_DPN_Parameters_t Params; - } DPNResponse; - - /* Fill out the DPN response data */ - DPNResponse.CommandHeader = (RFCOMM_Command_t){.Command = RFCOMM_Control_DLCParameterNegotiation, .EA = true, .CR = false}; - DPNResponse.Length = (sizeof(DPNResponse.Params) << 1) | 0x01; - memcpy(&DPNResponse.Params, Params, sizeof(RFCOMM_DPN_Parameters_t)); - DPNResponse.Params.ConvergenceLayer = 0x00; // TODO: Enable credit based transaction support - - BT_RFCOMM_DEBUG(1, ">> DPN Response"); - - /* Send the DPN response to acknowledge the command */ - RFCOMM_SendFrame(RFCOMM_CONTROL_DLCI, false, RFCOMM_Frame_UIH, sizeof(DPNResponse), &DPNResponse, ACLChannel); -} - |