数字电位器测试仪自动电阻测试仪毕业论文提纲

/*************** 步进电机bujin.h ******************/ uchar code ffw[]={0x01,0x03,0x02,0x06,0x04,0x0c,0x08,0x09}; uchar code rev[]={0x09,0x08,0x0c,0x04,0x06,0x02,0x03,0x01}; sbit key2=P2^4; sbit key1=P2^5; uchar bu;

void bujin_ffw(uchar n) //步进电机正转 {

uint i,j; }

void bujin_rev(uchar n) //步进电机反转

for(i=0;i

for(j=0;j<8;j++) }

{

if(key2 == 0) break; }

P2 = 0xf0|ffw[j]; delay(2);