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1、/*本程序用于2相步进电机控制 L298N驱动通过独立按键进行控制转速和转向*/#include /52系列单片机头文件#define uchar unsigned char/宏定义#define uint unsigned int /宏定义sbit key1=P34; /解除锁定sbit key2=P35; /反转2圈sbit key3=P36; /反转4圈sbit key4=P37; /正转4圈/延时void delay(uint xms) uint i,j; for(i=xms;i0;i-) /i=xms即延时约xms毫秒 for(j=110;j0;j-);/主函数void main()
2、 uint i=200; P3=0xff; while(1) if(key1=0) delay(10); if(key1=0) while(i-) P1=0X08; delay(2); P1=0X0a; delay(2); P1=0X02; delay(2); P1=0X06; delay(2); P1=0X04; delay(2); P1=0X05; delay(2); P1=0X01; delay(2); P1=0X09; delay(2); while(!key1); i=200; if(key2=0) delay(10); if(key2=0) while(i-) P1=0X09; d
3、elay(2); P1=0X01; delay(2); P1=0X05; delay(2); P1=0X04; delay(2); P1=0X06; delay(2); P1=0X02; delay(2); P1=0X0a; delay(2); P1=0X08; delay(2); while(!key2); i=50; if(key3=0) delay(10); if(key3=0) while(i-) P1=0X08; delay(5); P1=0X0a; delay(5); P1=0X02; delay(5); P1=0X06; delay(5); P1=0X04; delay(5); P1=0X05; delay(5); P1=0X01; delay(5); P1=0X09; delay(5); while(!key3); if(key4=0) delay(10); if(key4=0) P1=0Xff; while(!key4);
