BTPSAPI_DECLARATION int BTPSAPI L2CA_Register_LE_PSM( unsigned int 
            BluetoothStackID, Word_t LE_PSM, L2CA_Event_Callback_t L2CA_Event_Callback, unsigned long CallbackParameter);

BTPSAPI_DECLARATION int BTPSAPI L2CA_Un_Register_LE_PSM( unsigned int 
            BluetoothStackID, unsigned int L2CAP_PSMID);

BTPSAPI_DECLARATION int BTPSAPI L2CA_LE_Connect_Request( unsigned int 
            BluetoothStackID, BD_ADDR_t BD_ADDR, Word_t LE_PSM, L2CA_LE_Channel_Parameters_t *ChannelParameters, 
            L2CA_Event_Callback_t L2CA_Event_Callback, unsigned long CallbackParameter);

BTPSAPI_DECLARATION int BTPSAPI L2CA_LE_Connect_Response( unsigned 
            int BluetoothStackID, BD_ADDR_t BD_ADDR, Byte_t Identifier, Word_t LCID, Word_t Result, L2CA_LE_Channel_Parameters_t 
            *ChannelParameters);

BTPSAPI_DECLARATION int BTPSAPI L2CA_LE_Disconnect_Request( unsigned 
            int BluetoothStackID, Word_t LCID);

BTPSAPI_DECLARATION int BTPSAPI L2CA_LE_Disconnect_Response( unsigned 
            int BluetoothStackID, Word_t LCID);

BTPSAPI_DECLARATION int BTPSAPI L2CA_Enhanced_Dynamic_Channel_Data_Write( 
            unsigned int BluetoothStackID, Word_t LCID, L2CA_Queueing_Parameters_t *QueueingParameters, Word_t Data_Length, 
            Byte_t *Data);

BTPSAPI_DECLARATION int BTPSAPI L2CA_LE_Flush_Channel_Data( unsigned 
            int BluetoothStackID, Word_t CID);

BTPSAPI_DECLARATION int BTPSAPI L2CA_LE_Grant_Credits( unsigned int 
            BluetoothStackID, Word_t CID, Word_t CreditsToGrant);