UART.h

/*

 * UART.h

 *

 *  Created on: Feb 28, 2011

 *      Author: toti

 */

#ifndef UART_H_

#define UART_H_

#include <avr/io.h>

#include "regs.h"

#include <util/delay.h>

#include <avr/interrupt.h>

#define XON 17

#define XOFF 19

#define FOSC 8000000 // Clock Speed

#define BAUD 9600

#define MYUBRR FOSC/16/BAUD-1

#define UART_RX_BUFFER_SIZE 64

#define UART_RX_BUFFER_MASK (UART_RX_BUFFER_SIZE - 1)

#define UART_TX_BUFFER_SIZE 64

#define UART_TX_BUFFER_MASK (UART_TX_BUFFER_SIZE - 1)

/* 

** high byte error return code of uart_getc()

*/

#define UART_FRAME_ERROR      0x0800              /* Framing Error by UART       */

#define UART_OVERRUN_ERROR    0x0400              /* Overrun condition by UART   */

#define UART_BUFFER_OVERFLOW  0x0200              /* receive ringbuffer overflow */

#define UART_NO_DATA          0x0100              /* no receive data available   */

//void send_as_bytes(uint8_t length, char *s);

void init_USART();

void sendchar(unsigned char c);

void sendUSART(char *s);

unsigned int uart_getc(void);

void uart_putc_buffert(unsigned char data);

#endif /* UART_H_ */