X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/fa1a092901319b3b41bf09e0c4cb9cbbec470d6b..d92e9133d392fe9abfde27b60b27b24f3b142fc3:/Demos/Host/Incomplete/BluetoothHost/Lib/BluetoothStack.c?ds=inline diff --git a/Demos/Host/Incomplete/BluetoothHost/Lib/BluetoothStack.c b/Demos/Host/Incomplete/BluetoothHost/Lib/BluetoothStack.c index 4e0330e52..3d048a821 100644 --- a/Demos/Host/Incomplete/BluetoothHost/Lib/BluetoothStack.c +++ b/Demos/Host/Incomplete/BluetoothHost/Lib/BluetoothStack.c @@ -43,57 +43,47 @@ Bluetooth_Device_t Bluetooth_DeviceConfiguration = Name: "LUFA Bluetooth Demo" }; +/** Bluetooth stack initialization function. This function must be called once to initialize the Bluetooth stack, + * ready for connection to remote devices. + * + * \note This function only begins the initialization process; the stack is initialized as the main Bluetooth stack + * management task is repeatedly called. The initialization process ends when the \ref Bluetooth_HCIProcessingState + * global enters the Bluetooth_ProcessEvents state. + */ void Bluetooth_Stack_Init(void) { + /* Reset the HCI state machine - this will eventually reset the adapter and stack when the Bluetooth stack task is called */ Bluetooth_HCIProcessingState = Bluetooth_Init; } +/** Bluetooth stack management task. This task must be repeatedly called to maintain the Bluetooth stack and any connection + * to remote Bluetooth devices, including both the HCI control layer and the ACL channel layer. + */ void Bluetooth_Stack_USBTask(void) { - Bluetooth_ProcessHCICommands(); - Bluetooth_ProcessACLPackets(); -} - -bool CALLBACK_Bluetooth_ConnectionRequest(uint8_t* RemoteAddress) -{ - /* Always accept connections from remote devices */ - return true; + Bluetooth_HCITask(); + Bluetooth_ACLTask(); } -Bluetooth_Channel_t* Bluetooth_GetChannelData(uint16_t ChannelNumber, bool SearchBySource) +/** Retrieves the channel information structure with the given local or remote channel number from the channel list. + * + * \param[in] ChannelNumber Channel number to search for in the channel list + * \param[in] SearchByRemoteChannel Indicated whether to search for a channel information structure by the given remote channel + * or local channel number + * + * \return Pointer to the matching channel information structure in the channel table if found, NULL otherwise + */ +Bluetooth_Channel_t* Bluetooth_GetChannelData(const uint16_t ChannelNumber, const bool SearchByRemoteChannel) { - Bluetooth_Channel_t* CurrentChannelStructure; - for (uint8_t i = 0; i < BLUETOOTH_MAX_OPEN_CHANNELS; i++) { - CurrentChannelStructure = &Bluetooth_Connection.Channels[i]; + Bluetooth_Channel_t* ChannelData = &Bluetooth_Connection.Channels[i]; - uint16_t CurrentChannelNumber = ((SearchBySource) ? CurrentChannelStructure->RemoteNumber : CurrentChannelStructure->LocalNumber); - - if (CurrentChannelNumber == ChannelNumber) - return CurrentChannelStructure; - } - - return NULL; -} - -Bluetooth_Channel_t* Bluetooth_InitChannelData(uint16_t RemoteChannelNumber, uint16_t PSM) -{ - Bluetooth_Channel_t* CurrentChannelStructure; - - for (uint8_t i = 0; i < BLUETOOTH_MAX_OPEN_CHANNELS; i++) - { - CurrentChannelStructure = &Bluetooth_Connection.Channels[i]; + /* Fetch the channel number that is to be matched against from the current channel information struct */ + uint16_t SearchChannelNumber = (SearchByRemoteChannel) ? ChannelData->RemoteNumber : ChannelData->LocalNumber; - if (CurrentChannelStructure->State == Channel_Closed) - { - CurrentChannelStructure->RemoteNumber = RemoteChannelNumber; - CurrentChannelStructure->LocalNumber = (BLUETOOTH_CHANNELNUMBER_BASEOFFSET + i); - CurrentChannelStructure->PSM = PSM; - CurrentChannelStructure->State = Channel_Config; - - return CurrentChannelStructure; - } + if (SearchChannelNumber == ChannelNumber) + return ChannelData; } return NULL;