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USART 的代码
usart._h
#define BAUDRATE 9600 //波特率
#define F_CPU 7327800
//波特率9600/9个数据位/1个停止位/奇校验/收发开启/接收中断
void usart_init(void)
{
UCSRA=0x01;//多机通讯模式(MPCM=1)
UCSRB=0x9C;
UCSRC=0xB6;
UBRRL=
usart.h
#define BAUDRATE 9600 //波特率
#define F_CPU 7327800
//波特率9600/9个数据位/1个停止位/奇校验/收发开启/接收中断
void usart_init(void)
{
UCSRA=0x01;//多机通讯模式(MPCM=1)
UCSRB=0x9C;
UCSRC=0xB6;
UBRRL=
usart._h
#define BAUDRATE 9600 //波特率
#define F_CPU 7327800
//波特率9600/9个数据位/1个停止位/奇校验/收发开启/接收中断
void usart_init(void)
{
UCSRA=0x01;//多机通讯模式(MPCM=1)
UCSRB=0x9C;
UCSRC=0xB6;
UBRRL=
usart.h
#ifndef _SERIAL_H_
#define _SERIAL_H_
//9600
#define BAUD 2400
//#define FOSC 12000000L
#define FOSC 11059200L
//--------------------------------------------------
//Use 9bit c
usart.sdb
[p GLOBOPT AUTOSTATIC PIC14 PICMIDHI PICLOMID CANREADCODE ]
"14 C:\HT-PIC\INCLUDE\pic168xa.h
[v _INDF `Vuc 1 s 1 @0 ]
"15
[v _TMR0 `Vuc 1 s 1 @1 ]
"16
[v _PCL `Vuc 1 s 1 @2 ]
"17
[v _STATUS
usart.lst
HI-TECH Software PICC Macro Assembler V8.05PL1
Serial number: HCPIC-27657 Tue Dec 9 11:50:26 2008
Licensed to: ONE
1 processor 16F8
usart.c
#include
#include
#include "usart.h"
void
putch(unsigned char byte)
{
/* output one byte */
while(!TXIF) /* set when register is empty */
continue;
TXREG = byte;
}