控制电机转速的单片机程序

单片机程序#include#include uchar unsigned charsbit dula=P26;sbit wela=P27;sbit dianji=P17;sbit jia_key=P36;sbit jian_key=P37;uchar num=0,show_num=1,gao_num=1,di_num=3;uchar code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71;void delay(uchar i) uchar j,k; for(j=i;j0;j-) for(k=125;k0;k-); void display() dula=0; P0=tableshow_num; dula=1; dula=0; wela=0; P0=0xfe; wela=1; wela=0; delay(5); P0=table0; dula=1; dula=0; P0=0xfd; wela=1; wela=0; delay(5); P0=table0; dula=1; dula=0; P0=0xfb; wela=1; wela=0; delay(5); P0=table0; dula=1; dula=0; P0=0xf7; wela=1; wela=0; delay(5); void key() if(jia_key=0) delay(5); if(jia_key=0) num+; if(num=4) num=3; while(jia_key=0); if(jian_key=0) delay(5); if(jian_key=0) if(num!=0) num-; else num=0; while(jian_key=0); void dispose() switch(num) case 0: show_num=1; gao_num=1; di_num=3; break;case 1: show_num=2; gao_num=2; di_num=2; break;case 2: show_num=3; gao_num=3; di_num=1; break;case 3: show_num=4; gao_num=4; di_num=0; break; void qudong() uchar i; if(di_num!=0) for(i=0;idi_num;i+) dianji=0; display(); for(i=0;igao_num;i+) dianji=1; diaplay(); void main() while(1) dianji=0; key(); dispose(); qudong();