{\r
const RFCOMM_Command_t* CommandHeader = (const RFCOMM_Command_t*)Command;\r
const uint8_t* CommandData = (const uint8_t*)Command + sizeof(RFCOMM_Command_t);\r
- uint16_t ControlDataLen = RFCOMM_GetFrameDataLength(CommandData);\r
-\r
- /* Adjust the command data pointer to skip over the variable size field */\r
- CommandData += (ControlDataLen < 128) ? 1 : 2;\r
+ uint8_t CommandDataLen = RFCOMM_GetVariableFieldValue(&CommandData);\r
\r
switch (CommandHeader->Command)\r
{\r
case RFCOMM_Control_Test:\r
- RFCOMM_ProcessTestCommand(CommandHeader, CommandData, Channel);\r
+ RFCOMM_ProcessTestCommand(CommandHeader, CommandDataLen, CommandData, Channel);\r
break;\r
case RFCOMM_Control_FlowControlEnable:\r
RFCOMM_ProcessFCECommand(CommandHeader, CommandData, Channel);\r
RFCOMM_ProcessFCDCommand(CommandHeader, CommandData, Channel);\r
break;\r
case RFCOMM_Control_ModemStatus:\r
- RFCOMM_ProcessMSCommand(CommandHeader, CommandData, Channel);\r
+ RFCOMM_ProcessMSCCommand(CommandHeader, CommandDataLen, CommandData, Channel);\r
break;\r
case RFCOMM_Control_RemotePortNegotiation:\r
RFCOMM_ProcessRPNCommand(CommandHeader, CommandData, Channel);\r
}\r
}\r
\r
-static void RFCOMM_ProcessTestCommand(const RFCOMM_Command_t* const CommandHeader, const uint8_t* CommandData,\r
- Bluetooth_Channel_t* const Channel)\r
+static void RFCOMM_ProcessTestCommand(const RFCOMM_Command_t* const CommandHeader, const uint8_t CommandDataLen,\r
+ const uint8_t* CommandData, Bluetooth_Channel_t* const Channel)\r
{\r
+ const uint8_t* Params = (const uint8_t*)CommandData;\r
+\r
BT_RFCOMM_DEBUG(1, "<< TEST Command");\r
+ \r
+ struct\r
+ {\r
+ RFCOMM_Command_t CommandHeader;\r
+ uint8_t Length;\r
+ uint8_t TestData[CommandDataLen];\r
+ } TestResponse;\r
+\r
+ /* Fill out the Test response data */\r
+ TestResponse.CommandHeader = (RFCOMM_Command_t){.Command = RFCOMM_Control_Test, .EA = true, .CR = false};\r
+ TestResponse.Length = (CommandDataLen << 1) | 0x01;\r
+ memcpy(TestResponse.TestData, Params, CommandDataLen);\r
+ \r
+ BT_RFCOMM_DEBUG(1, ">> TEST Response");\r
+\r
+ /* Send the PDN response to acknowledge the command */\r
+ RFCOMM_SendFrame(RFCOMM_CONTROL_DLCI, false, RFCOMM_Frame_UIH, sizeof(TestResponse), &TestResponse, Channel);\r
}\r
\r
static void RFCOMM_ProcessFCECommand(const RFCOMM_Command_t* const CommandHeader, const uint8_t* CommandData,\r
BT_RFCOMM_DEBUG(1, "<< FCD Command");\r
}\r
\r
-static void RFCOMM_ProcessMSCommand(const RFCOMM_Command_t* const CommandHeader, const uint8_t* CommandData,\r
- Bluetooth_Channel_t* const Channel)\r
+static void RFCOMM_ProcessMSCCommand(const RFCOMM_Command_t* const CommandHeader, const uint8_t CommandDataLen,\r
+ const uint8_t* CommandData, Bluetooth_Channel_t* const Channel)\r
{\r
- BT_RFCOMM_DEBUG(1, "<< MS Command");\r
+ const RFCOMM_MSC_Parameters_t* Params = (const RFCOMM_MSC_Parameters_t*)CommandData;\r
+\r
+ BT_RFCOMM_DEBUG(1, "<< MSC %s", (CommandHeader->CR) ? "Command" : "Response");\r
+ BT_RFCOMM_DEBUG(2, "-- DLCI: 0x%02X", Params->Channel.DLCI);\r
+ \r
+ /* Ignore status flags sent to the control channel */\r
+ if (Params->Channel.DLCI == RFCOMM_CONTROL_DLCI)\r
+ return;\r
+ \r
+ /* Retrieve existing channel configuration data, if already opened */\r
+ RFCOMM_Channel_t* RFCOMMChannel = RFCOMM_GetChannelData(Params->Channel.DLCI); \r
+ \r
+ /* If the channel does not exist, abort */\r
+ if (RFCOMMChannel == NULL)\r
+ return;\r
+\r
+ /* Check if the MSC packet is a command or a response */\r
+ if (CommandHeader->CR)\r
+ {\r
+ /* Save the new channel signals to the channel state structure */\r
+ RFCOMMChannel->Remote.Signals = Params->Signals; \r
+ RFCOMMChannel->ConfigFlags |= RFCOMM_CONFIG_REMOTESIGNALS;\r
+ \r
+ /* If the command contains the optional break signals field, store the value */\r
+ if (CommandDataLen == sizeof(RFCOMM_MSC_Parameters_t))\r
+ RFCOMMChannel->Remote.BreakSignal = Params->BreakSignal;\r
+ \r
+ struct\r
+ {\r
+ RFCOMM_Command_t CommandHeader;\r
+ uint8_t Length;\r
+ RFCOMM_MSC_Parameters_t Params;\r
+ } MSResponse;\r
+\r
+ /* Fill out the MS response data */\r
+ MSResponse.CommandHeader = (RFCOMM_Command_t){.Command = RFCOMM_Control_ModemStatus, .EA = true, .CR = false};\r
+ MSResponse.Length = (CommandDataLen << 1) | 0x01;\r
+ memcpy(&MSResponse.Params, Params, sizeof(RFCOMM_MSC_Parameters_t));\r
+\r
+ BT_RFCOMM_DEBUG(1, ">> MSC Response");\r
+\r
+ /* Send the MSC response to acknowledge the command */\r
+ RFCOMM_SendFrame(RFCOMM_CONTROL_DLCI, false, RFCOMM_Frame_UIH,\r
+ (sizeof(MSResponse) - sizeof(MSResponse.Params) + CommandDataLen), &MSResponse, Channel);\r
+ }\r
+ else\r
+ {\r
+ /* Indicate that the remote device has acknowledged the sent signals */\r
+ RFCOMMChannel->ConfigFlags |= RFCOMM_CONFIG_LOCALSIGNALS;\r
+ } \r
}\r
\r
static void RFCOMM_ProcessRPNCommand(const RFCOMM_Command_t* const CommandHeader, const uint8_t* CommandData,\r
const RFCOMM_DPN_Parameters_t* Params = (const RFCOMM_DPN_Parameters_t*)CommandData;\r
\r
BT_RFCOMM_DEBUG(1, "<< DPN Command");\r
- BT_RFCOMM_DEBUG(2, "-- Config DLCI: 0x%02X", Params->DLCI);\r
+ BT_RFCOMM_DEBUG(2, "-- DLCI: 0x%02X", Params->DLCI);\r
\r
/* Ignore parameter negotiations to the control channel */\r
if (Params->DLCI == RFCOMM_CONTROL_DLCI)\r
/* Check if the channel has no corresponding entry - remote did not open it first */\r
if (RFCOMMChannel == NULL)\r
{\r
- /* Find a free entry in the RFCOMM channel multiplexer state array */\r
- for (uint8_t i = 0; i < RFCOMM_MAX_OPEN_CHANNELS; i++)\r
- {\r
- /* If the channel's DLCI is zero, the channel state entry is free */\r
- if (!(RFCOMM_Channels[i].DLCI))\r
- {\r
- RFCOMMChannel = &RFCOMM_Channels[i];\r
- RFCOMMChannel->DLCI = Params->DLCI;\r
- break;\r
- }\r
- }\r
+ /* Create a new entry in the channel table for the new channel */\r
+ RFCOMMChannel = RFCOMM_GetFreeChannelEntry(Params->DLCI);\r
\r
/* No free entry was found, discard the request */\r
if (RFCOMMChannel == NULL)\r
}\r
\r
/* Save the new channel configuration */\r
- RFCOMMChannel->State = RFCOMM_Channel_Open;\r
+ RFCOMMChannel->State = RFCOMM_Channel_Configure;\r
RFCOMMChannel->Priority = Params->Priority;\r
- RFCOMMChannel->UseUIFrames = (Params->FrameType != 0);\r
- RFCOMMChannel->RemoteMTU = Params->MaximumFrameSize;\r
+ RFCOMMChannel->MTU = Params->MaximumFrameSize;\r
\r
struct\r
{\r
} DPNResponse;\r
\r
/* Fill out the DPN response data */\r
- DPNResponse.CommandHeader.Command = CommandHeader->Command;\r
- DPNResponse.CommandHeader.EA = true;\r
- DPNResponse.Length = (sizeof(DPNResponse.Params) << 1) | 0x01;\r
- DPNResponse.Params = *Params;\r
+ DPNResponse.CommandHeader = (RFCOMM_Command_t){.Command = RFCOMM_Control_DLCParameterNegotiation, .EA = true, .CR = false};\r
+ DPNResponse.Length = (sizeof(DPNResponse.Params) << 1) | 0x01;\r
+ memcpy(&DPNResponse.Params, Params, sizeof(RFCOMM_DPN_Parameters_t));\r
+ DPNResponse.Params.ConvergenceLayer = 0x00; // TODO: Enable credit based transaction support\r
\r
BT_RFCOMM_DEBUG(1, ">> DPN Response");\r
\r
- /* Send the PDN response to acknowledge the command */\r
+ /* Send the DPN response to acknowledge the command */\r
RFCOMM_SendFrame(RFCOMM_CONTROL_DLCI, false, RFCOMM_Frame_UIH, sizeof(DPNResponse), &DPNResponse, Channel);\r
}\r
projects / pub / USBasp.git / blobdiff