usart.h

atmega128单片机的串口通讯程序

#ifndef _USART_H_
#define _USART_H_

#include <avr/io.h>
#include <util/delay.h>

unsigned char usart_receive(void);
void usart_transmit(unsigned char data);
void data_write(unsigned char *data,unsigned char data_len);
void info_display(void);
void menu_test(void);
void usart_example(void);

#endif