#include?“HX711.h“

#include?“Arduino.h“

//int?DOUT;//定義數(shù)據(jù)引腳
//int?SCK;//定義時(shí)鐘引腳

//float?scale;//定義比例系數(shù)
//long?offset;//定義補(bǔ)償值
//int?times;//定義采集次數(shù)

Hx711::Hx711（int?IO_DOUTint?IO_SCK）//構(gòu)造函數(shù)
{
	DOUT?=?IO_DOUT;
	SCK?=?IO_SCK;
	pinMode（SCK?OUTPUT）;//設(shè)置IO口工作方式
	pinMode（DOUT?INPUT）;

}

void?Hx711::setScale（float?IO_scale）//設(shè)置比例系數(shù)
{
	scale?=?IO_scale;
}

void?Hx711::setOffset（long?IO_offset）//設(shè)置補(bǔ)償值
{
	offset?=?IO_offset;
}

long?Hx711::getValue（）//采集一次ADC值
{
	unsigned?long?Count;
	unsigned?char?i;
	digitalWrite（SCKLOW）;
	Count?=?0;
	while（digitalRead（DOUT）?==?1）;//低電平時(shí)數(shù)據(jù)可以輸出
	for（i=0;i<24;i++）//循環(huán)讀取數(shù)據(jù)
	{
		digitalWrite（SCKHIGH）;
		Count?=?Count<<1;
		digitalWrite（SCKLOW）;
		if（digitalRead（DOUT）?==?1）?Count++;//最低位置1
	}
	digitalWrite（SCKHIGH）;

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-05-21?15:37??HX711\
?????目錄???????????0??2013-05-21?15:37??HX711\examples\
?????目錄???????????0??2013-06-17?09:10??HX711\examples\weighting\
?????文件???????27648??2013-06-17?09:09??HX711\examples\weighting\weighting.doc
?????文件?????????554??2013-04-16?19:06??HX711\examples\weighting\weighting.ino
?????文件????????1284??2013-05-21?15:36??HX711\HX711.cpp
?????文件?????????488??2013-04-16?18:51??HX711\HX711.h
?????文件?????????118??2013-04-16?18:45??HX711\keywords.txt