X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/fa1a092901319b3b41bf09e0c4cb9cbbec470d6b..a9e0935a90346beb0c981924becc1f55d969a08b:/Demos/Host/Incomplete/BluetoothHost/Lib/BluetoothStack.c diff --git a/Demos/Host/Incomplete/BluetoothHost/Lib/BluetoothStack.c b/Demos/Host/Incomplete/BluetoothHost/Lib/BluetoothStack.c index 4e0330e52..6b434ba43 100644 --- a/Demos/Host/Incomplete/BluetoothHost/Lib/BluetoothStack.c +++ b/Demos/Host/Incomplete/BluetoothHost/Lib/BluetoothStack.c @@ -33,67 +33,66 @@ /** Bluetooth device connection information structure. Once connected to a remote device, this structure tracks the * connection state of the individual L2CAP channels. */ -Bluetooth_Connection_t Bluetooth_Connection = {IsConnected: false}; +Bluetooth_Connection_t Bluetooth_Connection = { IsConnected: false }; -/** Bluetooth configuration structure. This structure configures the bluetooth stack's user alterable settings. */ -Bluetooth_Device_t Bluetooth_DeviceConfiguration = - { - Class: (DEVICE_CLASS_SERVICE_CAPTURING | DEVICE_CLASS_MAJOR_COMPUTER | DEVICE_CLASS_MINOR_COMPUTER_PALM), - PINCode: "0000", - Name: "LUFA Bluetooth Demo" - }; +/** Bluetooth device state information structure. This structure contains details on the current Bluetooth stack + * state. + */ +Bluetooth_Stack_State_t Bluetooth_State = { IsInitialized: false }; +/** 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 IsInitialized element of the + * \ref Bluetooth_State structure becomes true and the \ref Bluetooth_StackInitialized() callback fires. + */ void Bluetooth_Stack_Init(void) { - Bluetooth_HCIProcessingState = Bluetooth_Init; + /* Reset the HCI state machine - this will eventually reset the adapter and stack when the Bluetooth stack task is called */ + Bluetooth_State.CurrentHCIState = Bluetooth_Init; + Bluetooth_State.NextHCIState = 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(); + Bluetooth_HCITask(); + Bluetooth_ACLTask(); } -bool CALLBACK_Bluetooth_ConnectionRequest(uint8_t* RemoteAddress) -{ - /* Always accept connections from remote devices */ - return true; -} - -Bluetooth_Channel_t* Bluetooth_GetChannelData(uint16_t ChannelNumber, bool SearchBySource) -{ - Bluetooth_Channel_t* CurrentChannelStructure; - - for (uint8_t i = 0; i < BLUETOOTH_MAX_OPEN_CHANNELS; i++) - { - CurrentChannelStructure = &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) +/** Retrieves the channel information structure with the given local or remote channel number from the channel list. + * + * \param[in] SearchValue Value to search for in the channel structure list + * \param[in] SearchKey Key to search within the channel structure, a CHANNEL_SEARCH_* mask + * + * \return Pointer to the matching channel information structure in the channel table if found, NULL otherwise + */ +Bluetooth_Channel_t* Bluetooth_GetChannelData(const uint16_t SearchValue, const uint8_t SearchKey) { - 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]; - if (CurrentChannelStructure->State == Channel_Closed) + bool FoundMatch = false; + + switch (SearchKey) { - CurrentChannelStructure->RemoteNumber = RemoteChannelNumber; - CurrentChannelStructure->LocalNumber = (BLUETOOTH_CHANNELNUMBER_BASEOFFSET + i); - CurrentChannelStructure->PSM = PSM; - CurrentChannelStructure->State = Channel_Config; - - return CurrentChannelStructure; - } + case CHANNEL_SEARCH_LOCALNUMBER: + FoundMatch = (SearchValue == ChannelData->LocalNumber); + break; + case CHANNEL_SEARCH_REMOTENUMBER: + FoundMatch = (SearchValue == ChannelData->RemoteNumber); + break; + case CHANNEL_SEARCH_PSM: + FoundMatch = (SearchValue == ChannelData->PSM); + break; + } + + if (FoundMatch) + return ChannelData; } return NULL;