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標(biāo)題:
單片機(jī)步進(jìn)電機(jī)限位開(kāi)關(guān)程序問(wèn)題
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作者:
sunny_liam
時(shí)間:
2020-4-23 18:20
標(biāo)題:
單片機(jī)步進(jìn)電機(jī)限位開(kāi)關(guān)程序問(wèn)題
請(qǐng)教一下各位程序員
設(shè)計(jì)一個(gè)自動(dòng)窗簾控制器 用四相五線步進(jìn)電機(jī)模擬窗簾轉(zhuǎn)動(dòng) 求解釋這段代碼
還有里面是否有限位開(kāi)關(guān) 怎么設(shè)計(jì)的
有勞大家 感謝感謝
#ifndef _BUJINDIANJI_H_
#define _BUJINDIANJI_H_
void write_eepom_shoudong();
uchar flag_z_f;
unsigned char code zheng[4]={0xf8,0xf4,0xf2,0xf1}
unsigned char code fan[4]={0xf1,0xf2,0xf4,0xf8}
uint bjdj_value;
uchar bjdj_zidong;
void bujindj()
{
static uchar i;
if(flag_z_f != 0)
{
if(flag_z_f == 1)
{
if(bjdj_value >= 254)
{
flag_z_f = 0;
bjdj_value = 254;
P2 = P2 & 0xf0;
write_eepom();
}else
bjdj_value ++;
}
if(flag_z_f == 2)
{
if(bjdj_value <= 1)
{
flag_z_f = 0;
bjdj_value = 1;
P2 = P2 & 0xf0;
write_eepom();
}else
bjdj_value --;
}
for(i=0;i<4;i++)
{
if(flag_z_f == 1)
P2=zheng[i];// & (P2 | 0xf0); //
else if(flag_z_f == 2
P2=fan[i];// & (P2 | 0xf0); //
delay_uint(500);
}
}
}
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