51单片机控制的步进电机C语言程序.doc

我上周刚做的这个实验成功拉，给你参考一下吧这可是我当时辛辛苦苦编出来的啊，不过我用的是L298驱动的和ULN2003一样，你把它换成2003就行拉#includeunsignedcharcodetable=0xf1,0xf3,0xf2,0xf6,0xf4,0xfc,0xf8,0xf9,0x00,0xf1,0xf9,0xf8,0xfc,0xf4,0xf6,0xf2,0xf3,0x00;unsignedchartemp,temp_old;unsignedcharkey;unsignedchari,j,k,m,s;voiddelay(inti)for(m=i;m0;m-)for(j=250;j0;j-)for(k=10;k0;k-);voidsaomiao()P3=0xff;P3_4=0;temp=P3;temp=temp&0x0f;if(temp!=0x0f)for(i=50;i0;i-)for(j=200;j0;j-);temp=P3;temp=temp&0x0f;if(temp!=0x0f)temp=P3;temp=temp&0x0f;switch(temp)case0x0e:key=1;break;case0x0d:key=2;break;case0x0b:key=3;break;case0x07:key=4;break;temp=P3;temp=temp&0x0f;while(temp!=0x0f)temp=P3;temp=temp&0x0f;P3=0xff;P3_5=0;temp=P3;temp=temp&0x0f;if(temp!=0x0f)for(i=50;i0;i-)for(j=200;j0;j-);temp=P3;temp=temp&0x0f;if(temp!=0x0f)temp=P3;temp=temp&0x0f;switch(temp)case0x0d:key=5;break;case0x0b:key=6;break;case0x07:key=7;break;temp=P3;temp=temp&0x0f;while(temp!=0x0f)temp=P3;temp=temp&0x0f;voidmain(void)while(1)saomiao();if(key=1)P1=0;P2=0;saomiao();if(key=2)temp_old=key;for(s=0;s8;s+)P2=tables;P1_4=0;delay(13);saomiao();if(key!=temp_old)P1_4=1;break;if(key=3)temp_old=key;for(s=0;s8;s+)P2=tables;P1_5=0;delay(5);saomiao();if(key!=temp_old)P1_5=1;break;if(key=4)temp_old=key;for(s=0;s8;s+)P2=tables;P1_6=0;delay(20);saomiao();if(key!=temp_old)P1_6=1;break;if(key=5)temp_old=key;for(s=9;s17;s+)P2=tables;P1_7=0;delay(13);saomiao();if(key!=temp_old)P1_7=1;break;if(key=6)temp_old=key;for(s=9;s17;s+)P2=tables;P1_5=0;delay(5);saomiao();if(key!=temp_old)P1_5=1;break;if(key=7)temp_old=key;for(s