51单片机控制步进电机的程序

#include <reg51.h> #include <intrins.h> unsigned char str1[4]={0x0e,0x0d,0x0b,0x07}; unsigned char str2[8]={0x0e,0x0c,0x0d,0x09,0x0b,0x03,0x07,0x06}; unsigned char str3[4]={0x07,0x0b,0x0d,0x0e}; unsigned char str4[8]={0x06,0x07,0x03,0x0b,0x09,0x0d,0x0c,0x0e}; sbit P10=P1^0; sbit P11=P1^1; unsigned char t,counter=5; void delay(void) { unsigned char j,k,h; for(k=0;k<counter;k++) for(j=0;j<100;j++) for(h=0;h<248;h++) _nop_(); } void main() { unsigned char i; EA=1; EX0=1; EX1=1; while(1) { if(P11) { t=8; if(P10) {for(i=0;i<t;i++) {if((P11)&&(P10)) P2=str2[i], delay();} } else if(P10==0) { for(i=0;i<t;i++) { if((P11)&&(!P10)) P2=str4[i], delay();} } } else { t=4; if(P10) { for(i=0;i<t;i++) {if((!P11)&&(P10)) P2=str1[i],delay();} } else if(P10==0) { for(i=0;i<t;i++) { if((!P11)&&(!P10))P2=str3[i],delay();} } } } if(counter<=1) counter=1; if(counter>=10) counter=10; //0.1s-1s } void int0(void) interrupt 0 { counter++; } void int1(void) interrupt 2 { counter--; }