uart.h

AVR单片机平台Atmega32+CH375A芯片读写U盘代码

#include <iom32v.h>
//常量定义
#define BAUDRATE        9600	//波特率
#define F_CPU			8000000 
void put_c(unsigned char c); //发送采用查询方式
void put_s(unsigned char *ptr);
void put_bytes(unsigned char *ptr,unsigned int length);   //发送n个字节，长度为length
void init_USART(unsigned char);

#define UART_REC_COM 7
/*
BIT      7          6----------------------------------------0
    UART_REC_COM         RESERVE
    接收完成
 */

#define EN_UART_RXINT 0xff
#define DISEN_UART_RXINT 0