hereissiru / bubbles-arduino-details

Prototype

bubbles-arduino-details

Prototype #include "hx711.h"

HX711::HX711(int SCK_PIN,int DT_PIN,float GapValueIn) { HX711_SCK = SCK_PIN; HX711_DT = DT_PIN; ValueGap = GapValueIn; }

//**************************************************** //初始化HX711 //**************************************************** void HX711::begin() { pinMode(HX711_SCK, OUTPUT); pinMode(HX711_DT, INPUT);

Get_Maopi();

}

int HX711::Pressed(int AlarmValue) { if(Get_Weight() >= AlarmValue && CurrentAlarm == 0) { CurrentAlarm = 1; return 1; } else if(Get_Weight() < AlarmValue) { CurrentAlarm = 0; return 0; }

return 0;

}

//**************************************************** //获取毛皮重量 //**************************************************** void HX711::Get_Maopi() { Weight_Maopi = HX711_Read(); }

//**************************************************** //称重 //**************************************************** long HX711::Get_Weight() { HX711_Buffer = HX711_Read();

Weight_Shiwu = HX711_Buffer;
Weight_Shiwu = Weight_Shiwu - Weight_Maopi;				//获取实物的AD采样数值。

Weight_Shiwu = (long)((float)Weight_Shiwu/ValueGap+0.05); 	

return Weight_Shiwu;

}

//**************************************************** //读取HX711 //**************************************************** unsigned long HX711::HX711_Read() //增益128 { unsigned long count; unsigned char i; bool Flag = 0;

digitalWrite(HX711_DT, HIGH);
delayMicroseconds(1);

digitalWrite(HX711_SCK, LOW);
delayMicroseconds(1);

count=0; 
while(digitalRead(HX711_DT)); 
for(i=0;i<24;i++)
{ 
  	digitalWrite(HX711_SCK, HIGH); 
	delayMicroseconds(1);
  	count=count<<1; 
	digitalWrite(HX711_SCK, LOW); 
	delayMicroseconds(1);
  	if(digitalRead(HX711_DT))
		count++; 
} 
digitalWrite(HX711_SCK, HIGH); 
delayMicroseconds(1);
digitalWrite(HX711_SCK, LOW); 
delayMicroseconds(1);
count ^= 0x800000;
return(count);

}