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標題: 52單片機控制多及程序（親測） [打印本頁]

作者: 1020149932 時間: 2016-4-18 13:53
標題: 52單片機控制多及程序（親測）
#include "STC12c5A.h"

#define Left 0 //oê¶¨òå×ó×a
#define Right 1 //oê¶¨òåóò×a
sbit ControlPort = P2^0;  //¶æ»úDÅoÅ¶Ë¿ú
unsigned char TimeOutCounter = 0,LeftOrRight = 0;
//TimeOutCounter:¶¨ê±Æ÷òç3ö¼Æêy
//  LeftOrRight: ×ó×aóò×a±êÖ¾
void InitialTimer ( void )
{
TMOD=0x10; //¶¨ê±¼ÆêyÆ÷11¤×÷óú·½ê½1
TH1 = ( 65535 - 500*12 ) / 256; //0.25ms
TL1 = ( 65535 - 500*12 ) % 256;
EA=1;       //¿a×üÖD¶Ï
ET1=1;    //ÔêDí¶¨ê±¼ÆêyÆ÷1ÖD¶Ï
TR1=1;    //Æô¶ˉ¶¨ê±¼ÆêyÆ÷1ÖD¶Ï
}
void delay_ms(unsigned int _countMS)
{
unsigned int i;
unsigned char j;
for(i=_countMS*12;i>0;i--)
   for(j=120;j>0;j--);
}
void ControlLeftOrRight ( void ) //¿ØÖÆ¶æ»úoˉêy
{
LeftOrRight = Left;
delay_ms(2000);
LeftOrRight = Right;
delay_ms(2000);
}

void main ( void )  //Ö÷oˉêy
{
InitialTimer();
for(;;)
{
ControlLeftOrRight();
}
}

void Timer1 ( void ) interrupt 3  //¶¨ê±Æ÷ÖD¶Ïoˉêy
{
TH1 = ( 65535 - 500*12 ) / 256;
TL1 = ( 65535 - 500*12 ) % 256;
TimeOutCounter ++;
switch ( LeftOrRight )
{
case 0 :    //Îa0ê±￡¬¶æ»ú×ó×a￡¬1ms
{
if( TimeOutCounter <= 2 )
{
ControlPort = 1;
}
else
{
ControlPort = 0;
}
break;
}
case 1 : //Îa1ê±￡¬¶æ»úóò×a2ms
{
if( TimeOutCounter <= 10 )
{
ControlPort = 1;
}
else
{
ControlPort = 0;
}
break;
}
default : break;
}
if( TimeOutCounter == 80 )  //20ms,2»òaDT¸Ä
{
TimeOutCounter = 0;
}
}

作者: admin 時間: 2016-4-18 14:38
控制什么的？

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