AMiRo-OS

#ifndef _BLUETOOTH_TRANSPORT_H_

#define _BLUETOOTH_TRANSPORT_H_

#include <amiro/bluetooth/bluetooth-descriptor.hpp>

#define BLUETOOTH_TRANSPORT_STORAGE_MAILBOX_SIZE   10

#define BLUETOOTH_TRANSPORT_TRANSMIT_MAILBOX_SIZE   5

#define TRANSMIT_COMPLETED_EVENT  1

#define FRAME_HEADER_SIZE    4

#define FRAME_TRAILER_SIZE   1

namespace amiro {

  class BluetoothTransport : public chibios_rt::BaseStaticThread<128>, protected UARTConfig {

  public:

    BluetoothTransport(UARTDriver* uart);

    chibios_rt::Mailbox* bluetoothTransportGetStorageMailbox();

    chibios_rt::Mailbox* bluetoothTransportGetTransmitMailbox();

    void bluetoothTransportSetReceiveMailbox(uint8_t linkId, chibios_rt::Mailbox* mailbox);

    void bluetoothTransportResetState();

    bool bluetoothTransportIsMuxMode();

  protected:

    virtual msg_t main(void);

    virtual void bluetoothTransportTransmitCompleted();

    virtual void bluetoothTransportCharacterReceived(uint16_t c);

    virtual void bluetoothTransportReceiveCompleted();

  private:

    static void bluetoothTransportTransmitCompleted_cb(UARTDriver *uart);

    static void bluetoothTransportCharacterReceived_cb(UARTDriver *uart, uint16_t c);

    static void bluetoothTransportReceiveCompleted_cb(UARTDriver *uart);

    UARTDriver *uart;

    chibios_rt::Mailbox* receiveMailbox[10];

    chibios_rt::Mailbox storageMailbox;

    chibios_rt::Mailbox transmitMailbox;

    msg_t storageMailboxBuffer[BLUETOOTH_TRANSPORT_STORAGE_MAILBOX_SIZE];

    msg_t transmitMailboxBuffer[BLUETOOTH_TRANSPORT_TRANSMIT_MAILBOX_SIZE];

    enum BluetoothTransportState {

      BLUETOOTH_TRANSPORT_PLAIN   = 0,

      BLUETOOTH_TRANSPORT_HEADER  = 1,

      BLUETOOTH_TRANSPORT_DECODE  = 2,

      BLUETOOTH_TRANSPORT_PAYLOAD = 3,

      BLUETOOTH_TRANSPORT_TRAILER = 4,

      BLUETOOTH_TRANSPORT_IDLE    = 5

    }transmitState, receiveState;

    BluetoothDescriptor descriptor[BLUETOOTH_TRANSPORT_STORAGE_MAILBOX_SIZE];

    BluetoothDescriptor *receive;

    BluetoothDescriptor *transmit;

    size_t rcvlength;

    /* These arrays Contain header and trailer */

    uint8_t receiveFrameBuffer[5];

    uint8_t transmitFrameBuffer[5];

    void postReceiveDescriptorI();

    void postTransmitDescriptorI();

    uint8_t* getEncodeHeader();

    uint8_t* getEncodeTailer();

    int decodeHeader();

  };

}

#endif /* _BLUETOOTH_TRANSPORT_H_ */