BaySerial.h

#ifndef BaySerial_h
#define BaySerial_h

#define START_BYTE 0x7e
#define ESCAPE 0x7d
#define XON 0x11
#define XOFF 0x13

#define API_DATA 0x1
#define API_ACK 0x2

#define TX_OK 0x1
#define TX_CHECKSUM_FAILED 0x2
#define TX_BREAK 0x3

#include <inttypes.h>
#include <BayEOS.h>
#include <HardwareSerial.h>
#include <Arduino.h>

class BaySerialInterface : public BayEOS {
public:
    uint8_t sendPayload(void);

    void sendFrame(void);

    uint8_t readIntoPayload(int timeout=5000);

    void sendTXBreak(void){
        sendAck(TX_BREAK);
    }

    virtual int i_available(void)=0;
    virtual void begin(long baud)=0;
    virtual int read(void)=0;
    virtual size_t write(uint8_t c)=0;
    virtual void flush(void)=0;
    virtual void end(void)=0;

protected:
    uint8_t readPacket(uint8_t type=API_DATA);
    void sendByte(uint8_t b, bool escape);
    uint8_t readByte(int timeout, bool escape);
    void sendAck(uint8_t b);

    bool _escape;
    bool _read_timeout;
    int  _timeout;
    uint8_t _length;
    uint8_t _checksumTotal;
    uint8_t _api;
    uint8_t _ack;
    uint8_t _pos;
    uint8_t _break;


};

class BaySerial : public BaySerialInterface {
protected:
    HardwareSerial* _serial; //Pointer to existing serial object!!
public:
    BaySerial(HardwareSerial& serial,int timeout=1000);
    //BaySerial(void);

    int available(void);
    int i_available(void);
    void begin(long baud);
    void flush(void);
    void end(void);
    int read(void);
    size_t write(uint8_t c);

};


#endif