步进电机正反转控制及转速显示(共5页)

1、/*程序调试成功*/#include<reg51.h>#define uchar unsigned char#define uint unsigned intsbit wale = P14;sbit dula = P15;sbit jia_key=P33;sbit jian_key=P32;sbit Z_key=P30;sbit F_key=P31;sbit Z_LED=P10;sbit F_LED=P11;sbit J_LED=P12;sbit JA_LED=P13;uint flag;uchar num,show_num=2,maichong=4,table_begin;uch

2、ar code SHU10=0x3f,0x06,0x5b,0x4f, 0x66,0x6d,0x7d,0x07,0x7f,0x6f;/共阳数码管驱动信号0-9，不显示uchar code table=0xf1,0xf3,0xf2,0xf6,0xf4,0xfc,0xf8,0xf9,0xf1,0xf9,0xf8,0xfc,0xf4,0xf6,0xf2,0xf3;/电机正反转void delay(uchar x)uint y;for(;x>0;x-)for(y=0;y<124;y+);void display() /显示函数 uint a; a=num; if(a<10) a=a+1

3、; else a=a%10; wale=1; P0=0xfb; wale=0; dula=1; P0=SHU(num/10); dula=0; delay(10); wale=1; P0=0xfd; wale=0; dula=1; P0=SHUflag; dula=0; delay(25); wale=1; P0=0xf7; wale=0; dula=1; P0=SHUa; dula=0; delay(10); void SpeedUp() interrupt 0 if(num=19) num=19;else num+; J_LED=0;delay(200);J_LED=1; void Spe

4、edDowm() interrupt 2 if(num=0) num=0; /速度标示减1else num-; /达到最小0则保持 JA_LED=0;delay(200);JA_LED=1; void key () /按键检测处理函数 if(Z_key=0) delay(5); /正转按键按下 if(Z_key=0) flag=0; /正转标识 Z_LED=0; delay(200); Z_LED=1; while(Z_key=0); if(F_key=0) delay(5); /反转按键按下 if(F_key=0) flag=1; /反转标识 F_LED=0; delay(100); F_L

5、ED=1; while(F_key=0); void dispose() /根据速度标识进行数据处理 if(flag=1|flag=0) if(flag=1) table_begin=0; /flag为0，正转 else table_begin=8; /flag为1，反转 else P2=0;P1=0xff; void qudong() /电机速度，和正反转控制 uchar i,j; if(table_begin=0|table_begin=8) for(j=0+table_begin;j<8+table_begin;j+) P2=tablej; /读取控制电机转动I/O口表 for(i=0;i<(num*-1+20);i+) P0=0xff; display(); else P2=0,P1=0xff;void main() EA=1; IT0=1; /脉冲方式 EX0=1; /开外部中断0:加速 IT1=1; /脉冲方式 EX1=1; /开外部中断