/* void ADC_SetGain(){ if(ADS1015_Mode==true){ //FOR ADS1015 12-BIT ADC MODEL if(ADC_GainSelect==0){ads.setGain(GAIN_TWOTHIRDS);ADC_BitReso=3.0000;} // Gain: 2/3x Range: +/- 6.144V else if(ADC_GainSelect==1){ads.setGain(GAIN_ONE);ADC_BitReso=2.0000;} // Gain: 1x Range: +/- 4.096V else if(ADC_GainSelect==2){ads.setGain(GAIN_TWO);ADC_BitReso=1.0000;} // Gain: 2x Range: +/- 2.048V } else{ //FOR ADS1115 16-BIT ADC MODEL if(ADC_GainSelect==0){ads.setGain(GAIN_TWOTHIRDS);ADC_BitReso= 0.1875;} // Gain: 2/3x Range: +/- 6.144V else if(ADC_GainSelect==1){ads.setGain(GAIN_ONE);ADC_BitReso= 0.125;} // Gain: 1x Range: +/- 4.096V else if(ADC_GainSelect==2){ads.setGain(GAIN_TWO);ADC_BitReso= 0.0625;} // Gain: 2x Range: +/- 2.048V } } */ void checkConfig(INA226 &ina) { Serial.print("Mode: "); switch (ina.getMode()) { case INA226_MODE_POWER_DOWN: Serial.println("Power-Down"); break; case INA226_MODE_SHUNT_TRIG: Serial.println("Shunt Voltage, Triggered"); break; case INA226_MODE_BUS_TRIG: Serial.println("Bus Voltage, Triggered"); break; case INA226_MODE_SHUNT_BUS_TRIG: Serial.println("Shunt and Bus, Triggered"); break; case INA226_MODE_ADC_OFF: Serial.println("ADC Off"); break; case INA226_MODE_SHUNT_CONT: Serial.println("Shunt Voltage, Continuous"); break; case INA226_MODE_BUS_CONT: Serial.println("Bus Voltage, Continuous"); break; case INA226_MODE_SHUNT_BUS_CONT: Serial.println("Shunt and Bus, Continuous"); break; default: Serial.println("unknown"); } Serial.print("Samples average: "); switch (ina.getAverages()) { case INA226_AVERAGES_1: Serial.println("1 sample"); break; case INA226_AVERAGES_4: Serial.println("4 samples"); break; case INA226_AVERAGES_16: Serial.println("16 samples"); break; case INA226_AVERAGES_64: Serial.println("64 samples"); break; case INA226_AVERAGES_128: Serial.println("128 samples"); break; case INA226_AVERAGES_256: Serial.println("256 samples"); break; case INA226_AVERAGES_512: Serial.println("512 samples"); break; case INA226_AVERAGES_1024: Serial.println("1024 samples"); break; default: Serial.println("unknown"); } Serial.print("Bus conversion time: "); switch (ina.getBusConversionTime()) { case INA226_BUS_CONV_TIME_140US: Serial.println("140uS"); break; case INA226_BUS_CONV_TIME_204US: Serial.println("204uS"); break; case INA226_BUS_CONV_TIME_332US: Serial.println("332uS"); break; case INA226_BUS_CONV_TIME_588US: Serial.println("558uS"); break; case INA226_BUS_CONV_TIME_1100US: Serial.println("1.100ms"); break; case INA226_BUS_CONV_TIME_2116US: Serial.println("2.116ms"); break; case INA226_BUS_CONV_TIME_4156US: Serial.println("4.156ms"); break; case INA226_BUS_CONV_TIME_8244US: Serial.println("8.244ms"); break; default: Serial.println("unknown"); } Serial.print("Shunt conversion time: "); switch (ina.getShuntConversionTime()) { case INA226_SHUNT_CONV_TIME_140US: Serial.println("140uS"); break; case INA226_SHUNT_CONV_TIME_204US: Serial.println("204uS"); break; case INA226_SHUNT_CONV_TIME_332US: Serial.println("332uS"); break; case INA226_SHUNT_CONV_TIME_588US: Serial.println("558uS"); break; case INA226_SHUNT_CONV_TIME_1100US: Serial.println("1.100ms"); break; case INA226_SHUNT_CONV_TIME_2116US: Serial.println("2.116ms"); break; case INA226_SHUNT_CONV_TIME_4156US: Serial.println("4.156ms"); break; case INA226_SHUNT_CONV_TIME_8244US: Serial.println("8.244ms"); break; default: Serial.println("unknown"); } Serial.print("Max possible current: "); Serial.print(ina.getMaxPossibleCurrent()); Serial.println(" A"); Serial.print("Max current: "); Serial.print(ina.getMaxCurrent()); Serial.println(" A"); Serial.print("Max shunt voltage: "); Serial.print(ina.getMaxShuntVoltage()); Serial.println(" V"); Serial.print("Max power: "); Serial.print(ina.getMaxPower()); Serial.println(" W"); } void resetVariables() { secondsElapsed = 0; energySavings = 0; daysRunning = 0; timeOn = 0; } void Read_Sensors() { /////////// TEMPERATURE SENSOR ///////////// if (sampleStoreTS <= avgCountTS) { //TEMPERATURE SENSOR - Lite Averaging TS = TS + analogRead(TempSensor); sampleStoreTS++; } else { TS = TS / sampleStoreTS; TSlog = log(ntcResistance * (4095.00 / TS - 1.00)); temperature = (1.0 / (1.009249522e-03 + 2.378405444e-04 * TSlog + 2.019202697e-07 * TSlog * TSlog * TSlog)) - 273.15+10; sampleStoreTS = 0; TS = 0; } /////////// VOLTAGE & CURRENT SENSORS ///////////// VSI = 0.0000; //Clear Previous Input Voltage VSO = 0.0000; //Clear Previous Output Voltage CSI = 0.0000; //Clear Previous Input Current CSO = 0.0000; //Clear Previous Output Current //VOLTAGE SENSOR - Instantenous Averaging /* for (int i = 0; i < avgCountVS; i++) { VSI = VSI + ads.computeVolts(ads.readADC_SingleEnded(3)); VSO = VSO + ads.computeVolts(ads.readADC_SingleEnded(1)); VSI = VSI + ina1.readBusVoltage()*(R1_VOLTAGE1+R2_VOLTAGE1)/R1_VOLTAGE1; VSO = VSO + ina2.readBusVoltage()*(R1_VOLTAGE2+R2_VOLTAGE2)/R1_VOLTAGE2; } voltageInput = (VSI/avgCountVS)*inVoltageDivRatio; voltageOutput = (VSO/avgCountVS)*outVoltageDivRatio; voltageInput = VSI/avgCountVS; voltageOutput = VSO/avgCountVS; */ voltageInput = ina1.readBusVoltage() * inVoltageDivRatio; voltageOutput = ina2.readBusVoltage() * outVoltageDivRatio; //CURRENT SENSOR - Instantenous Averaging /* for (int i = 0; i < avgCountCS; i++) { CSI = CSI + ads.computeVolts(ads.readADC_SingleEnded(2)); CSI = CSI + ina1.readShuntCurrent(); CSO = CSO + ina2.readShuntCurrent(); } CSI_converted = (CSI/avgCountCS)*1.3300; currentInput = ((CSI_converted-currentMidPoint)*-1)/currentSensV; CSI_converted = (CSI/avgCountCS); CSO_converted = (CSO/avgCountCS); */ CSI_converted = ina1.readShuntCurrent(); CSO_converted = ina2.readShuntCurrent(); currentInput = CSI_converted; if (currentInput < 0) { currentInput = 0.0000; } if (voltageOutput <= 0) { currentOutput = 0.0000; } //else{currentOutput = (voltageInput*currentInput)/voltageOutput;} else { currentOutput = CSO_converted; } //POWER SOURCE DETECTION if (voltageInput <= 3 && voltageOutput <= 3) { inputSource = 0; //System is only powered by USB port } else if (voltageInput > voltageOutput) { inputSource = 1; //System is running on solar as power source } else if (voltageInput < voltageOutput) { inputSource = 2; //System is running on batteries as power source } //////// AUTOMATIC CURRENT SENSOR CALIBRATION //////// if (buckEnable == 0 && FLV == 0 && OOV == 0) { //currentMidPoint = ((CSI/avgCountCS)*1.3300)-0.003; currentMidPoint = (CSI / avgCountCS) - 0.003; } //POWER COMPUTATION - Through computation //powerInput = voltageInput*currentInput; powerInput = ina1.readBusPower(); //powerOutput = voltageInput*currentInput*efficiencyRate; powerOutput = ina2.readBusPower(); outputDeviation = (voltageOutput / voltageBatteryMax) * 100.000; //STATE OF CHARGE - Battery Percentage batteryPercent = ((voltageOutput - voltageBatteryMin) / (voltageBatteryMax - voltageBatteryMin)) * 101; batteryPercent = constrain(batteryPercent, 0, 100); //TIME DEPENDENT SENSOR DATA COMPUTATION currentRoutineMillis = millis(); if (currentRoutineMillis - prevRoutineMillis >= millisRoutineInterval) { //Run routine every millisRoutineInterval (ms) prevRoutineMillis = currentRoutineMillis; //Store previous time Wh = Wh + (powerInput / (3600.000 * (1000.000 / millisRoutineInterval))); //Accumulate and compute energy harvested (3600s*(1000/interval)) kWh = Wh / 1000.000; MWh = Wh / 1000000.000; daysRunning = timeOn / (86400.000 * (1000.000 / millisRoutineInterval)); //Compute for days running (86400s*(1000/interval)) timeOn++; //Increment time counter } //OTHER DATA secondsElapsed = millis() / 1000; //Gets the time in seconds since the was turned on and active energySavings = electricalPrice * (Wh / 1000.0000); //Computes the solar energy saving in terms of money (electricity flag rate) }