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標題: STC15w4k58s4串口程序 [打印本頁]

作者: cuiran12222000 時間: 2016-11-21 12:38
標題: STC15w4k58s4串口程序
#include "reg51.h"
#include "intrins.h"

#define FOSC 11059200L       //????
#define BAUD 9600          //?????

sfr AUXR  = 0x8e;             //?????
#define S1ST2 0x01

void main()
{

AUXR &= ~S1ST2;             //???1?1T??

SCON = 0x50;
TMOD |= 0x20;             //???1???2(8?????)
TH1 = (256 - (FOSC/32/BAUD/12));
TH1 = (256 - (FOSC/32/BAUD/12));
TR1 = 1;                   //???1????
ES = 1;                   //??????
EA = 1;

while(1);
}

/*----------------------------
UART ??????
-----------------------------*/
void Uart() interrupt 4 using 1
{
if (RI)
{
      RI = 0;                //??RI?
      P1 = SBUF;             //P0??????
      SBUF = P1;             //P2.2?????
}
if (TI)
{
      TI = 0;                //??TI?
   }
}

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