Objet permettant de manipuler 2 ads1115 comme 1 seul afin d'avoir 8 entrées analogiques

lib/MeasureUnit/Ads1115.cpp

@@ -0,0 +1,85 @@
+#include "Ads1115.h"
+#define ADS_DEBUG
+
+Ads1115::Ads1115() : ads1(0x48), ads2(0x49)
+{
+  #ifdef ADS_DEBUG
+  Serial.println("Ads1115 constructor called");
+  #endif
+  //We set the adcs up:
+  ads1.setGain(GAIN_ONE);
+  ads2.setGain(GAIN_ONE);
+}
+
+Ads1115::~Ads1115()
+{
+  
+}
+
+void Ads1115::begin()
+{
+  #ifdef ADS_DEBUG
+  Serial.println("Ads1115 : begin");
+  #endif
+  ads1.begin();
+  ads2.begin();
+}
+
+int32_t Ads1115::sampleValue(int16_t channel, boolean sgl)
+{
+  int64_t total(0);
+  for(int i(0); i < getAdcSetting().getMeasureIteration(); i++)
+  {
+    delay(getAdcSetting().getDelayBetweenIteration());
+    total += getReading(channel, sgl);
+  }
+
+  //We divide
+  total /= getAdcSetting().getMeasureIteration();
+  
+  //We return
+  return total;
+}
+
+int32_t Ads1115::sampleValue()
+{
+  int64_t total(0);
+  for(int i(0); i < getAdcSetting().getMeasureIteration(); i++)
+  {
+    delay(getAdcSetting().getDelayBetweenIteration());
+    total += getReading();
+  }
+
+  //We divide
+  total /= getAdcSetting().getMeasureIteration();
+  
+  //We return
+  return total;
+}
+
+double Ads1115::sampleVoltage(int16_t channel, boolean sgl)
+{
+  return sampleValue(channel, sgl)*0.125;
+}
+
+double Ads1115::sampleVoltage()
+{
+  return sampleValue()*0.125;
+}
+
+uint16_t Ads1115::getReading(int16_t channel, boolean sgl)
+{
+  int16_t chan(channel == -1 ? _lastChannel : channel);
+
+  _lastChannel = chan > 8 ? 0 : chan;
+  
+  if(chan < 4)
+  {
+    return ads1.readADC_SingleEnded(chan);
+  }
+  else if(chan < 8)
+  {
+    return ads2.readADC_SingleEnded(chan - 4);
+  }
+  else return 0;
+}

lib/MeasureUnit/Ads1115.h

@@ -0,0 +1,24 @@
+#ifndef ADS1115_H
+#define ADS1115_H
+#include "Adc.h"
+#include <Wire.h>
+#include <Adafruit_ADS1015.h>
+
+class Ads1115 : public Adc
+{
+  public:
+    Ads1115();
+    ~Ads1115();
+
+    virtual void begin();
+    virtual int32_t sampleValue(int16_t channel, boolean sgl = true);
+    virtual int32_t sampleValue();
+    virtual double sampleVoltage(int16_t channel, boolean sgl = true);
+    virtual double sampleVoltage();
+  protected:
+  private:
+    uint16_t getReading(int16_t channel = -1, boolean sgl = true);
+    Adafruit_ADS1115 ads1, ads2;
+};
+
+#endif //ADS1115_H