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主函数
#include<reg51.h> #include<intrins.h> #include<adc0832.c> code uchar seven_seg[]={0xc0,0xf9,0xa4,0xb0,0x99,0x82,0xf8,0x80,0x90}; uchar cp1,cp2,dat_ad; void timer0_init() //中断初始化函数 { TMOD = 0x01; TL0 = 0x78; TH0 = 0xec; EA = 1; TR0 = 1; ET0 = 1; } void timer0_isr()interrupt 1 //中断服务函数 { TL0 = 0x78; TH0 = 0xec; cp1++; if(cp1>100) //0.5s { cp1 = 0; dat_ad=adc0832_ch0(); //adc0832转换一次 } P0 = 0xff; //消隐 switch(cp2) { case 0:P0 = seven_seg[dat_ad%10];P2 = 0x01;break; case 1:P0 = seven_seg[dat_ad%100/10];P2 = 0x02;break; case 2:P0 = seven_seg[dat_ad/100];P2 = 0x04;break; } cp2++; if(cp2>=3) cp2 = 0; } void main() { timer0_init(); adc0832_init(); while(1); }