基于5单片机的步进电机控制（源码+proteus仿真）.zip

#include <reg51.h> #include <intrins.h> #define uchar unsigned char #define uint unsigned int uint count0=0; uchar x,y=4; uint motor_speed; uint counter_motor,motor_measure,timer_limit; uint num1,a=0,temp=0,flag=0; uint counter_10ms,counter_1s; uchar speed_set[3]; //uchar a; sbit MOTOR_1B=P3^4; sbit MOTOR_2B=P3^5; sbit MOTOR_3B=P3^6; sbit MOTOR_4B=P3^7; bit zhuanxiang;//1正转0反转 bit flag_100ms,flag_10ms,flag_1s,start,enter_lock=1; uchar code turn[]={0x10,0x20,0x40,0x80};//步进电机控制模型 uchar code LED_CS[4]={0xfe,0xfd,0xfb,0xf7};//位选1234 uchar code LED_CC_D[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};//共阴 uchar code LED_motor[2]={0x54,0x73};//n,p uchar code table[]={//运算数字输入数组 7,8,9,0, 4,5,6,0, 1,2,3,0, 0,0,0,0}; void delayus(uchar delayus); void display(); void MOTORS_RIGHT(); void MOTORS_LIFT(); void MOTORS_STOP(); void init(); void delayms(uchar x); void keyscan();//按键扫描 char code dx516[3] _at_ 0x003b; /************************ 主函数 **************************/ void main() { init(); while (1) { if(flag_1s) { motor_measure=count0*10; //(600/600)*count0 count0=0; flag_1s=0; } if(flag_10ms) { keyscan(); flag_10ms=0; } display(); } } /******************** 中断初始化函数 **************************/ void init() { TMOD=0x01; TH0=0xfc; //定时1ms TL0=0x66; ET0=1; EX0=1; IT0=1; EA=1; TR0=1; } /************************ 中断函数 **************************/ //外部中断0服务函数 void init0() interrupt 0 { count0++; } //定时器0中断服务函数 void timer0init() interrupt 1 { TH0=0xfc; //定时1ms TL0=0x66; timer_limit=2500/motor_speed; if(++counter_1s>=1000) { flag_1s=1; counter_1s=0; } if(++counter_motor>=timer_limit) { counter_motor=0; if(start) { if(zhuanxiang) { P3=turn[x]; x++; if(x==4) x=0; } if(!zhuanxiang) { y--; P3=turn[y]; if(y==0) y=4; } } } if(++counter_10ms>=10) { flag_10ms=1; counter_10ms=0; } } /************************ 显示函数 **************************/ void display() { uint bai,shi,ge; bai=motor_speed/100; shi=motor_speed%100/10; ge=motor_speed%10; P2=LED_CS[0];P0=LED_motor[zhuanxiang];delayms(5); if(start==1) { bai=motor_measure/100; shi=motor_measure%100/10; ge=motor_measure%10; P2=LED_CS[1];P0=LED_CC_D[bai];delayms(5); P2=LED_CS[2];P0=LED_CC_D[shi];delayms(5); P2=LED_CS[3];P0=LED_CC_D[ge];delayms(5); } else { P2=LED_CS[1];P0=LED_CC_D[bai];delayms(5); P2=LED_CS[2];P0=LED_CC_D[shi];delayms(5); P2=LED_CS[3];P0=LED_CC_D[ge];delayms(5); } } /************************ 延时函数 **************************/ void delayms(uchar x) { uchar i ; while(x--) for(i=0;i<120;i++) ; } /****************矩阵键盘扫描函数******************/ void keyscan(void) { P1=0xfe; if(P1!=0xfe) { delayms(5);// 延迟5ms if(P1!=0xfe) { temp=P1&0xf0; switch(temp) { case 0xe0:num1=0; break; //7 case 0xd0:num1=1; break; //8 case 0xb0:num1=2; break; //9 case 0x70:num1=3; break; //÷ } } while(P1!=0xfe); if(num1==0||num1==1||num1==2)//如果按下的是'7','8'或'9 { if(flag==1){flag=0;a=0;} { a=a*10+table[num1]; } //按下数字存储到a } else//如果按下的是'/' 除法 {zhuanxiang=1;}//正转 } P1=0xfd; if(P1!=0xfd) { delayms(5); if(P1!=0xfd){ temp=P1&0xf0; switch(temp) { case 0xe0:num1=4; break; //4 case 0xd0:num1=5; break; //5 case 0xb0:num1=6; break; //6 case 0x70:num1=7; break; //× } } while(P1!=0xfd);//等待按键释放 if(num1==4||num1==5||num1==6&&num1!=7)//如果按下的是'4','5'或'6' { if(flag==1){flag=0;a=0;} a=a*10+table[num1]; } else//如果按下的是'×' { zhuanxiang=0;//反转 } } P1=0xfb; if(P1!=0xfb){ delayms(5); if(P1!=0xfb) { temp=P1&0xf0; switch(temp) { case 0xe0:num1=8; break; //1 case 0xd0:num1=9; break; //2 case 0xb0:num1=10; break; //3 case 0x70:num1=11; break; //- } } while(P1!=0xfb); if(num1==8||num1==9||num1==10)//如果按下的是'1','2'或'3' { if(flag==1){flag=0;a=0;} a=a*10+table[num1]; } else if(num1==11)//如果按下的是'-' {} } P1=0xf7; if(P1!=0xf7){ delayms(5); if(P1!=0xf7){ temp=P1&0xf0; switch(temp) { case 0xe0:num1=12; break; //清0键 case 0xd0:num1=13; break; //数字0 case 0xb0:num1=14; break; //等于键 case 0x70:num1=15; break; //加 } } while(P1!=0xf7); switch(num1) { case 12:{a=0;}break;//按下的是"清零" case 13:{a=a*10+table[num1];}break; case 14:{motor_speed=a;enter_lock=0;start=1;}break; case 15:{motor_speed=0;start=0;}break; //加键 } } motor_speed=a; } /***************************************************/