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把hx711當ad轉換模塊,跟單片機連起來,怎么程序才能管用呢?我想用的ad轉換模塊,把電位器的數(shù)讀出來,顯示在數(shù)碼管上,該怎么操作啊!!!!
sbit ADDO = P1^5;
sbit ADSK = P0^0;
unsigned long ReadCount(void){ unsigned long Count; unsigned char i;
ADSK=0; //使能AD(PD_SCK 置低)
Count=0;
while(ADDO); //AD
轉換未結束則等待,否則開始讀取
for (i=0;i<24;i++)
{ ADSK=1; //PD_SCK 置高(發(fā)送脈沖) _Count=Count<<1; //下降沿來時變量Count左移一位,右側補零
ADSK=0; //PD_SCK 置低
if(ADDO) Count++; }
ADSK=1;
Count=Count^0x800000;//第25個脈沖下降沿來時,轉換數(shù)據(jù)
ADSK=0; return(Count)
這個程序有用嗎?
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