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Diffstat (limited to 'Demos/Host/Incomplete/BluetoothHost/Lib/RFCOMMControl.c')
-rw-r--r--Demos/Host/Incomplete/BluetoothHost/Lib/RFCOMMControl.c94
1 files changed, 75 insertions, 19 deletions
diff --git a/Demos/Host/Incomplete/BluetoothHost/Lib/RFCOMMControl.c b/Demos/Host/Incomplete/BluetoothHost/Lib/RFCOMMControl.c
index 2321c25c41..23a18765fb 100644
--- a/Demos/Host/Incomplete/BluetoothHost/Lib/RFCOMMControl.c
+++ b/Demos/Host/Incomplete/BluetoothHost/Lib/RFCOMMControl.c
@@ -42,29 +42,33 @@ void RFCOMM_ProcessControlCommand(const uint8_t* Command, Bluetooth_Channel_t* c
{
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;
switch (CommandHeader->Command)
{
case RFCOMM_Control_Test:
- RFCOMM_ProcessTestCommand(CommandHeader, CommandData);
+ RFCOMM_ProcessTestCommand(CommandHeader, CommandData, Channel);
break;
case RFCOMM_Control_FlowControlEnable:
- RFCOMM_ProcessFCECommand(CommandHeader, CommandData);
+ RFCOMM_ProcessFCECommand(CommandHeader, CommandData, Channel);
break;
case RFCOMM_Control_FlowControlDisable:
- RFCOMM_ProcessFCDCommand(CommandHeader, CommandData);
+ RFCOMM_ProcessFCDCommand(CommandHeader, CommandData, Channel);
break;
case RFCOMM_Control_ModemStatus:
- RFCOMM_ProcessMSCommand(CommandHeader, CommandData);
+ RFCOMM_ProcessMSCommand(CommandHeader, CommandData, Channel);
break;
case RFCOMM_Control_RemotePortNegotiation:
- RFCOMM_ProcessRPNCommand(CommandHeader, CommandData);
+ RFCOMM_ProcessRPNCommand(CommandHeader, CommandData, Channel);
break;
case RFCOMM_Control_RemoteLineStatus:
- RFCOMM_ProcessRLSCommand(CommandHeader, CommandData);
+ RFCOMM_ProcessRLSCommand(CommandHeader, CommandData, Channel);
break;
case RFCOMM_Control_DLCParameterNegotiation:
- RFCOMM_ProcessDPNCommand(CommandHeader, CommandData);
+ RFCOMM_ProcessDPNCommand(CommandHeader, CommandData, Channel);
break;
default:
BT_RFCOMM_DEBUG(1, "<< Unknown Command");
@@ -72,49 +76,101 @@ void RFCOMM_ProcessControlCommand(const uint8_t* Command, Bluetooth_Channel_t* c
}
}
-static void RFCOMM_ProcessTestCommand(const RFCOMM_Command_t* CommandHeader, const uint8_t* CommandData)
+static void RFCOMM_ProcessTestCommand(const RFCOMM_Command_t* const CommandHeader, const uint8_t* CommandData,
+ Bluetooth_Channel_t* const Channel)
{
BT_RFCOMM_DEBUG(1, "<< TEST Command");
}
-static void RFCOMM_ProcessFCECommand(const RFCOMM_Command_t* CommandHeader, const uint8_t* CommandData)
+static void RFCOMM_ProcessFCECommand(const RFCOMM_Command_t* const CommandHeader, const uint8_t* CommandData,
+ Bluetooth_Channel_t* const Channel)
{
BT_RFCOMM_DEBUG(1, "<< FCE Command");
}
-static void RFCOMM_ProcessFCDCommand(const RFCOMM_Command_t* CommandHeader, const uint8_t* CommandData)
+static void RFCOMM_ProcessFCDCommand(const RFCOMM_Command_t* const CommandHeader, const uint8_t* CommandData,
+ Bluetooth_Channel_t* const Channel)
{
BT_RFCOMM_DEBUG(1, "<< FCD Command");
}
-static void RFCOMM_ProcessMSCommand(const RFCOMM_Command_t* CommandHeader, const uint8_t* CommandData)
+static void RFCOMM_ProcessMSCommand(const RFCOMM_Command_t* const CommandHeader, const uint8_t* CommandData,
+ Bluetooth_Channel_t* const Channel)
{
BT_RFCOMM_DEBUG(1, "<< MS Command");
}
-static void RFCOMM_ProcessRPNCommand(const RFCOMM_Command_t* CommandHeader, const uint8_t* CommandData)
+static void RFCOMM_ProcessRPNCommand(const RFCOMM_Command_t* const CommandHeader, const uint8_t* CommandData,
+ Bluetooth_Channel_t* const Channel)
{
BT_RFCOMM_DEBUG(1, "<< RPN Command");
}
-static void RFCOMM_ProcessRLSCommand(const RFCOMM_Command_t* CommandHeader, const uint8_t* CommandData)
+static void RFCOMM_ProcessRLSCommand(const RFCOMM_Command_t* const CommandHeader, const uint8_t* CommandData,
+ Bluetooth_Channel_t* const Channel)
{
BT_RFCOMM_DEBUG(1, "<< RLS Command");
}
-static void RFCOMM_ProcessDPNCommand(const RFCOMM_Command_t* CommandHeader, const uint8_t* CommandData)
+static void RFCOMM_ProcessDPNCommand(const RFCOMM_Command_t* const CommandHeader, const uint8_t* CommandData,
+ Bluetooth_Channel_t* const Channel)
{
+ 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);
- /* Skip over the first data byte (Length field) since its size and value are fixed */
- RFCOMM_Channel_t* RFCOMMChannel = RFCOMM_GetChannelData(CommandData[2]);
+ /* 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)
{
- // TODO: Channel does not exist - create it
+ /* 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;
+ }
+ }
+
+ /* No free entry was found, discard the request */
+ if (RFCOMMChannel == NULL)
+ {
+ BT_RFCOMM_DEBUG(2, "-- No Free Channel");
+ return;
+ }
}
- RFCOMMChannel->Configured = true;
+ /* Save the new channel configuration */
+ RFCOMMChannel->State = RFCOMM_Channel_Open;
+ RFCOMMChannel->Priority = Params->Priority;
+ RFCOMMChannel->UseUIFrames = (Params->FrameType != 0);
+ RFCOMMChannel->RemoteMTU = Params->MaximumFrameSize;
- // TODO: Read in channel data, ACK request
+ struct
+ {
+ RFCOMM_Command_t CommandHeader;
+ uint8_t Length;
+ RFCOMM_DPN_Parameters_t Params;
+ } 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;
+
+ 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);
}