Serial.h

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#ifndef SERIAL_H_
#define SERIAL_H_

#if defined(MEGA)
  #define UART_NUMBER 4
#elif defined(PROMICRO)
  #define UART_NUMBER 2
#else
  #define UART_NUMBER 1
#endif
#define RX_BUFFER_SIZE 256 // 256 RX buffer is needed for GPS communication (64 or 128 was too short)
#define TX_BUFFER_SIZE 128

void    SerialOpen(uint8_t port, uint32_t baud);
uint8_t SerialRead(uint8_t port);
void    SerialWrite(uint8_t port,uint8_t c);
uint8_t SerialAvailable(uint8_t port);
void    SerialEnd(uint8_t port);
uint8_t SerialPeek(uint8_t port);
bool    SerialTXfree(uint8_t port);
uint8_t SerialUsedTXBuff(uint8_t port);
void    SerialSerialize(uint8_t port,uint8_t a);
void    UartSendData(uint8_t port);

void SerialWrite16(uint8_t port, int16_t val);

#endif /* SERIAL_H_ */