基于单片机的步进电机设计

#include <reg51.h> #define uchar unsigned char #define uint unsigned int void Delay_Ms(uint ms); uchar Busy_Check(); void Initialize_LCD(); void Write_LCD_Command(uchar cmd); void Write_LCD_Data(uchar dat); void Display_String(uchar x,uchar y,uchar *str); void Display_Clear(); sbit K1=P2^7; sbit K2=P3^0; sbit K3=P3^1; sbit K4=P3^6; sbit K5=P3^7; sbit Forward_Flag=P2^3; sbit Backward_Flag=P2^4; sbit Stop_Flag=P2^5; uchar code display_run_model_forward[]={"Forward"}; uchar code display_run_model_backward[]={"Backward"}; uchar code display_run_model_stop[]={"Stop"}; uchar display_run_number[]={" 0.00s/r "}; uchar display[]={"Dec speed: "}; uchar display1[]={"Add speed: "}; uchar setting[]={"Setting: "}; uchar kong[]={" "}; uchar code step_code_forward[]={0x01,0x03,0x02,0x06,0x04,0x0c,0x08,0x09}; uchar code step_code_backward[]={0x09,0x08,0x0c,0x04,0x06,0x02,0x03,0x01}; uchar m=30; uchar N; void Step_Motor_Forward(uchar n) { uchar i,j; while(n) { for(i=0;i<5;i++) { for(j=0;j<8;j++) { if(K3==0) break; P1=step_code_forward[j]; Delay_Ms(m); } display_run_number[0]=n/10+'0'; display_run_number[1]=n%10+'0'; display_run_number[5]=m*40/1000+'0'; display_run_number[7]=m*40/100%10+'0'; display_run_number[8]=m*40/10%10+'0'; Display_String(0,1,display_run_number); } n--; } } void Step_Motor_Backward(uchar n) { uchar i,j; while(n) { for(i=0;i<5;i++) { for(j=0;j<8;j++) { if(K3==0) break; P1=step_code_backward[j]; Delay_Ms(m); } display_run_number[0]=n/10+'0'; display_run_number[1]=n%10+'0'; display_run_number[5]=m*40/1000+'0'; display_run_number[7]=m*40/100%10+'0'; display_run_number[8]=m*40/10%10+'0'; Display_String(0,1,display_run_number); } n--; } } void main() { EA=1; EX0=1; N=20; Initialize_LCD(); while(1) { if(K1==0) { Stop_Flag=1; Forward_Flag=0; Display_String(0,0,display_run_model_forward); Step_Motor_Forward(N); Forward_Flag=1; Display_Clear(); if(K3==0) break; } else if(K2==0) { Stop_Flag=1; Backward_Flag=0; Display_String(0,0,display_run_model_backward); Display_String(0,1,display_run_number); Step_Motor_Backward(N); Display_Clear(); Backward_Flag=1; if(K3==0) break; } else { Stop_Flag=0; Display_String(0,0,display_run_model_stop); Display_String(0,1,kong); P1=0x00; } } } void inter()interrupt 0 { Delay_Ms(100); if(K4==0) { Delay_Ms(100); m++; if(m==99) m=0; Delay_Ms(100); display[12]=m/10%10+'0'; display[13]=m%10+'0'; Delay_Ms(100); Display_String(0,0,setting); Display_String(0,1,display); } if(K5==0) { Delay_Ms(100); m--; if(m==0) m=99; Delay_Ms(100); display1[12]=m/10%10+'0'; display1[13]=m%10+'0'; Delay_Ms(100); Display_String(0,0,setting); Display_String(0,1,display1); } }