86 lines
1.5 KiB
C++
86 lines
1.5 KiB
C++
#include "Ads1115.h"
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#define ADS_DEBUG
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Ads1115::Ads1115() : ads1(0x48), ads2(0x49)
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{
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#ifdef ADS_DEBUG
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Serial.println("Ads1115 constructor called");
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#endif
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//We set the adcs up:
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ads1.setGain(GAIN_ONE);
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ads2.setGain(GAIN_ONE);
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}
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Ads1115::~Ads1115()
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{
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}
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void Ads1115::begin()
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{
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#ifdef ADS_DEBUG
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Serial.println("Ads1115 : begin");
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#endif
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ads1.begin();
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ads2.begin();
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}
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int32_t Ads1115::sampleValue(int16_t channel, boolean sgl)
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{
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int64_t total(0);
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for(int i(0); i < getAdcSetting().getMeasureIteration(); i++)
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{
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delay(getAdcSetting().getDelayBetweenIteration());
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total += getReading(channel, sgl);
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}
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//We divide
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total /= getAdcSetting().getMeasureIteration();
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//We return
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return total;
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}
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int32_t Ads1115::sampleValue()
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{
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int64_t total(0);
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for(int i(0); i < getAdcSetting().getMeasureIteration(); i++)
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{
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delay(getAdcSetting().getDelayBetweenIteration());
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total += getReading();
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}
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//We divide
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total /= getAdcSetting().getMeasureIteration();
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//We return
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return total;
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}
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double Ads1115::sampleVoltage(int16_t channel, boolean sgl)
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{
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return sampleValue(channel, sgl)*0.125;
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}
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double Ads1115::sampleVoltage()
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{
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return sampleValue()*0.125;
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}
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uint16_t Ads1115::getReading(int16_t channel, boolean sgl)
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{
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int16_t chan(channel == -1 ? _lastChannel : channel);
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_lastChannel = chan > 8 ? 0 : chan;
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if(chan < 4)
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{
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return ads1.readADC_SingleEnded(chan);
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}
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else if(chan < 8)
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{
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return ads2.readADC_SingleEnded(chan - 4);
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}
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else return 0;
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}
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