uart.h

AVR serial port communication

void USART_Init(void);
uint8_t USART_Receive(void);
void USART_Transmit(uint8_t data);
uint8_t USART_DataRx(void);
uint8_t DataInReceiveBuffer(void);
void uart_puts_p(const char *progmem_s);
void uart_putsl_p(const char *progmem_s);