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USART 的代码
usart.c
#define USART_C
#include "includes.h"
void put_char(unsigned char ch)
{
/* if(ch == '\n')
{
usart_putchar('\r');
} */
while(!(UCSRA&(1
usart.h
#ifndef USART_H
#define USART_H
#ifdef USART_C
void put_char(unsigned char ch);
void InitSerial(void);
void put_string(unsigned char *sting);
#else
extern void put_char(unsigned char ch);
exte
usart.c
#include
#include
#include
#include "main.h"
//常量定义
#define BAUDRATE 9600 //波特率
#define F_CPU 7372800 //这个已经在makefile里面定义了
void init
usart.h
#ifndef _USART_H_
#define _USART_H_
void init_USART(void);//USART 初始化
void put_s(unsigned char *ptr);
#endif /* _USART_H_ */
usart.c
#include
#include
#include
#include "usart.h"
//常量定义
#define BAUDRATE 9600 //波特率
#define F_CPU 16000000 //这个已经在makefile里面定义了
void init
usart.h
#ifndef USART_H
#define USART_H
void pgm_sendstr(char *str);
void sendstr(char *str);
void usart_init(unsigned int baud);
void usart_tsmt(unsigned char data);
unsigned char usart_rcv(void);
/
usart.c
/*------------------------------------------------------
Function: part of Offline Downloader
Author: avenbbs(8785116@qq.com)
Version: 1.0
Date: 2008-9-28~2008-10-1
----------------------------