uart.h

利用avr c编程的综合程序

#ifndef _UART_H_
#define _UART_H_

#include <avr/io.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#define RXB8 1
#define TXB8 0
#define UPE 2
#define OVR 3
#define FE 4
#define UDRE 5
#define RXC 7

#define FRAMING_ERROR (1<<FE)
#define PARITY_ERROR (1<<UPE)
#define DATA_OVERRUN (1<<OVR)
#define DATA_REGISTER_EMPTY (1<<UDRE)
#define RX_COMPLETE (1<<RXC)

#define RX_BUFFER_SIZE 8

unsigned char uartGetc(void);

void uartPutc(unsigned char c);

void uartInit(void);

void uartOpen(void);

void uartClose(void);

#endif