·¢²¼Ê±¼ä : ÐÇÆÚËÄ ÎÄÕÂÓö¨Ê±Æ÷ÒÔ¼ä¸ô500MSÔÚ6λÊýÂë¹ÜÉÏÒÀ´ÎÏÔʾ0µ½F¸üÐÂÍê±Ï¿ªÊ¼ÔĶÁ24131eefaa00b52acec7ca00
Óö¨Ê±Æ÷ÒÔ¼ä¸ô500MSÔÚ6λÊýÂë¹ÜÉÏÒÀ´ÎÏÔʾ0,1,2,3¡.C,D,E,F ˵Ã÷£º±¾³ÌÐòÊÇ»ùÓÚ¹ùÌìÏéÀÏʦµÄTX-1CʵÑé°åÉè¼Æ£¬¾§ÕñֵΪ12MHZ
#include
#define uint unsigned int #define uchar unsigned char
uchar code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07, 0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71}; sbit dula=P2^6; //ÉùÃ÷U1Ëø´æÆ÷µÄËø´æ¶Ë sbit wela=P2^7; //ÉùÃ÷U2Ëø´æÆ÷µÄËø´æ¶Ë uchar t0,a;
void intt(); //ÉùÃ÷³õʼ»¯º¯Êý void display(); //ÉùÃ÷ÏÔʾ×Óº¯Êý void delay(uint x) //ÑÓʱ { uint i,j; for(i=x;i>0;i--) for(j=100;j--;j>0); }
void main() {
a=0; //Éè³õÖµ intt(); while(1) { }
void intt() //³õʼ»¯º¯Êý {
TMOD=0x01;
//ÉèÖö¨Ê±Æ÷0Ϊ¹¤×÷·½Ê½
}
TH0=(65536-50000)/256; //×°³õÖµ50msÒ»´ÎÖÐ¶Ï TL0=(65536-50000)%6; EA=1; ET0=1; TR0=1; }
void T0_timer()interrupt 1 {
TH0=(65536-50000)/256; //ÖØ×°³õÖµ
//¿ª×ÜÖжÏ
//¿ª¶¨Ê±Æ÷0ÖжÏ
//Æô¶¯¶¨Ê±Æ÷0
TL0=(65536-50000)%6; t0++; {
// Èç¹ûµ½ÁË10´Î£¬ËµÃ÷500msʱ¼äµ½
if(t0==10) {
t0=0; //°Ñt0Çå0ÖØÐÂÔÙ¼Æ20´Î
display(); //µ÷ÓÃÏÔʾ×Óº¯Êý
a++;
if(a==16) //a=16,˵Ã÷ÒѾÏÔʾµ½F a=0;
//ÖØдÓ0¿ªÊ¼ÏÔʾ
}
} }
void display() {
dula=1;
P0=table[a]; //ËͶÎÑ¡Êý¾Ý dula=0; P0=0xff; wela=1; P0=0xc0;
//ËÍλѡÊý¾Ý
//ÏÔʾ×Óº¯Êý
}
wela=0; delay(5);