X-Git-Url: http://git.linex4red.de/pub/lufa.git/blobdiff_plain/3125fd5f4fe79b6acc89aea9f51b159db2dfd3ff..8de31cbb78f98eb4d3c5b7232e85337b15f294e5:/Demos/Host/Incomplete/BluetoothHost/Lib/RFCOMMControl.c diff --git a/Demos/Host/Incomplete/BluetoothHost/Lib/RFCOMMControl.c b/Demos/Host/Incomplete/BluetoothHost/Lib/RFCOMMControl.c index 23a18765f..c9bd07af3 100644 --- a/Demos/Host/Incomplete/BluetoothHost/Lib/RFCOMMControl.c +++ b/Demos/Host/Incomplete/BluetoothHost/Lib/RFCOMMControl.c @@ -38,37 +38,34 @@ #define INCLUDE_FROM_RFCOMM_CONTROL_C #include "RFCOMMControl.h" -void RFCOMM_ProcessControlCommand(const uint8_t* Command, Bluetooth_Channel_t* const Channel) +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); - uint16_t ControlDataLen = RFCOMM_GetFrameDataLength(CommandData); - - /* Adjust the command data pointer to skip over the variable size field */ - CommandData += (ControlDataLen < 128) ? 1 : 2; + uint8_t CommandDataLen = RFCOMM_GetVariableFieldValue(&CommandData); switch (CommandHeader->Command) { case RFCOMM_Control_Test: - RFCOMM_ProcessTestCommand(CommandHeader, CommandData, Channel); + RFCOMM_ProcessTestCommand(CommandHeader, CommandDataLen, CommandData, ACLChannel); break; case RFCOMM_Control_FlowControlEnable: - RFCOMM_ProcessFCECommand(CommandHeader, CommandData, Channel); + RFCOMM_ProcessFCECommand(CommandHeader, CommandData, ACLChannel); break; case RFCOMM_Control_FlowControlDisable: - RFCOMM_ProcessFCDCommand(CommandHeader, CommandData, Channel); + RFCOMM_ProcessFCDCommand(CommandHeader, CommandData, ACLChannel); break; case RFCOMM_Control_ModemStatus: - RFCOMM_ProcessMSCommand(CommandHeader, CommandData, Channel); + RFCOMM_ProcessMSCCommand(CommandHeader, CommandDataLen, CommandData, ACLChannel); break; case RFCOMM_Control_RemotePortNegotiation: - RFCOMM_ProcessRPNCommand(CommandHeader, CommandData, Channel); + RFCOMM_ProcessRPNCommand(CommandHeader, CommandData, ACLChannel); break; case RFCOMM_Control_RemoteLineStatus: - RFCOMM_ProcessRLSCommand(CommandHeader, CommandData, Channel); + RFCOMM_ProcessRLSCommand(CommandHeader, CommandData, ACLChannel); break; case RFCOMM_Control_DLCParameterNegotiation: - RFCOMM_ProcessDPNCommand(CommandHeader, CommandData, Channel); + RFCOMM_ProcessDPNCommand(CommandHeader, CommandData, ACLChannel); break; default: BT_RFCOMM_DEBUG(1, "<< Unknown Command"); @@ -76,49 +73,120 @@ void RFCOMM_ProcessControlCommand(const uint8_t* Command, Bluetooth_Channel_t* c } } -static void RFCOMM_ProcessTestCommand(const RFCOMM_Command_t* const CommandHeader, const uint8_t* CommandData, - Bluetooth_Channel_t* const Channel) +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 Channel) + 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 Channel) + Bluetooth_Channel_t* const ACLChannel) { BT_RFCOMM_DEBUG(1, "<< FCD Command"); } -static void RFCOMM_ProcessMSCommand(const RFCOMM_Command_t* const CommandHeader, const uint8_t* CommandData, - Bluetooth_Channel_t* const Channel) +static void RFCOMM_ProcessMSCCommand(const RFCOMM_Command_t* const CommandHeader, const uint8_t CommandDataLen, + const uint8_t* CommandData, Bluetooth_Channel_t* const ACLChannel) { - BT_RFCOMM_DEBUG(1, "<< MS Command"); + 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 Channel) + 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 Channel) + 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 Channel) + 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, "-- Config DLCI: 0x%02X", Params->DLCI); + BT_RFCOMM_DEBUG(2, "-- DLCI: 0x%02X", Params->DLCI); /* Ignore parameter negotiations to the control channel */ if (Params->DLCI == RFCOMM_CONTROL_DLCI) @@ -130,17 +198,8 @@ static void RFCOMM_ProcessDPNCommand(const RFCOMM_Command_t* const CommandHeader /* Check if the channel has no corresponding entry - remote did not open it first */ if (RFCOMMChannel == NULL) { - /* Find a free entry in the RFCOMM channel multiplexer state array */ - for (uint8_t i = 0; i < RFCOMM_MAX_OPEN_CHANNELS; i++) - { - /* If the channel's DLCI is zero, the channel state entry is free */ - if (!(RFCOMM_Channels[i].DLCI)) - { - RFCOMMChannel = &RFCOMM_Channels[i]; - RFCOMMChannel->DLCI = Params->DLCI; - break; - } - } + /* 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) @@ -151,10 +210,9 @@ static void RFCOMM_ProcessDPNCommand(const RFCOMM_Command_t* const CommandHeader } /* Save the new channel configuration */ - RFCOMMChannel->State = RFCOMM_Channel_Open; + RFCOMMChannel->State = RFCOMM_Channel_Configure; RFCOMMChannel->Priority = Params->Priority; - RFCOMMChannel->UseUIFrames = (Params->FrameType != 0); - RFCOMMChannel->RemoteMTU = Params->MaximumFrameSize; + RFCOMMChannel->MTU = Params->MaximumFrameSize; struct { @@ -164,13 +222,13 @@ static void RFCOMM_ProcessDPNCommand(const RFCOMM_Command_t* const CommandHeader } DPNResponse; /* Fill out the DPN response data */ - DPNResponse.CommandHeader.Command = CommandHeader->Command; - DPNResponse.CommandHeader.EA = true; - DPNResponse.Length = (sizeof(DPNResponse.Params) << 1) | 0x01; - DPNResponse.Params = *Params; + 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 PDN response to acknowledge the command */ - RFCOMM_SendFrame(RFCOMM_CONTROL_DLCI, false, RFCOMM_Frame_UIH, sizeof(DPNResponse), &DPNResponse, Channel); + /* Send the DPN response to acknowledge the command */ + RFCOMM_SendFrame(RFCOMM_CONTROL_DLCI, false, RFCOMM_Frame_UIH, sizeof(DPNResponse), &DPNResponse, ACLChannel); }