51单片机实现定时器中断0-F

Posted 2020-10-20 Velma

#include <reg51.h>
#define uint unsigned int
#define uchar unsigned char
sfr P0M0 = 0x94;
sfr P0M1 = 0x93;
sfr P2M0 = 0x96;
sfr P2M1 = 0x95;
uint count,i,j;
uchar code leddata[] = {
                0xC0,  //"0"
                0xF9,  //"1"
                0xA4,  //"2"
                0xB0,  //"3"
                0x99,  //"4"
                0x92,  //"5"
                0x82,  //"6"
                0xF8,  //"7"
                0x80,  //"8"
                0x90,  //"9"
                0x88,  //"A"
                0x83,  //"B"
                0xC6,  //"C"
                0xA1,  //"D"
                0x86,  //"E"
                0x8E,  //"F"
                0x89,  //"H"
                0xC7,  //"L"
                0xC8,  //"n"
                0xC1,  //"u"
                0x8C,  //"P"
                0xA3,  //"o"
                0xBF,  //"-"
                0xFF,
                0xFF
};
uchar code weidata[] = {
    0x01,0x02,0x04,0x08,
    0x10,0x20,0x40,0x80,
    0x01,0x02,0x04,0x08,
    0x10,0x20,0x40,0x80,
};
void delay(uint ms){
    uint i,j;
    for(i = 0;i < ms;i++)
        for(j = 0;j < 1210;j++);
}
void timer_init(){
        TMOD = 0x01;
        TH0 = 0x3c;
        TL0 = 0x0b0;
        EA = 1;
        ET0 = 1;
        TR0 = 1;
}
void timer_init1() interrupt 1{
        TH0 = 0x3c;
        TL0 = 0x0b0;
        count++;
        if(count == 20){
                count = 0;
                i++;
                if(i == 16){
                    i = 0;
                }
        }
}
void display(){
    P0 = leddata[i];
    P2 = ~weidata[i];
 }
void main(){
    P0M0 = 0x00;
    P0M1 = 0x00;
    P2M0 = 0x00;
    P2M1 = 0x00;
    timer_init();
    while(1){
        display();
    }
}