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標(biāo)題: 關(guān)于STC12C5A60S2串口2的程序，用串口調(diào)試助手收不了數(shù)據(jù)。求高手指點(diǎn) [打印本頁]

作者: qsherong 時(shí)間: 2012-8-3 13:53
標(biāo)題: 關(guān)于STC12C5A60S2串口2的程序，用串口調(diào)試助手收不了數(shù)據(jù)。求高手指點(diǎn)
#include "12C5A60S2.h"
#define uint8 unsigned char
#define uint16 unsigned int
uint8 num=0;
void UartInit(void) //9600bps@11.0592MHz
{
AUXR &= 0xf7; //波特率不倍速
S2CON = 0x50; //8位數(shù)據(jù),可變波特率
BRT = 0xFD;      //設(shè)定獨(dú)立波特率發(fā)生器重裝值
AUXR &= 0xfb; //獨(dú)立波特率發(fā)生器時(shí)鐘為Fosc/12,即12T
AUXR |= 0x10; //啟動(dòng)獨(dú)立波特率發(fā)生器
EA=1;
IE2=0x01;
}
void send(uint8 ch)
{

IE2=0x00;
S2CON&=~S2TI;
S2BUF=ch;
while(!(S2CON&S2TI));
S2CON &=~S2TI;
IE2=0x01;
}

void main()
{
UartInit();
while(1);
}
void Uart2() interrupt 8
{
if(S2CON&S2RI)
{
S2CON&=~S2RI;
num=S2BUF;
send(num);
}
}

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