57 lines
No EOL
1.5 KiB
C++
57 lines
No EOL
1.5 KiB
C++
#include "sensors.h"
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#include <Arduino.h>
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Sensors::Sensors(int temperaturePin, char *temperatureTopic, char *phTopic, Networking* networking, DallasTemperature* ds18b20) {
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_networking = networking;
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//OneWire oneWire = OneWire(temperaturePin);
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//_ds18b20 = DallasTemperature(&oneWire);
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_ds18b20 = ds18b20;
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_temperaturePin = temperaturePin;
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_temperatureTopic = temperatureTopic;
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_phTopic = phTopic;
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}
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void Sensors::setup() {
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pinMode(_temperaturePin, INPUT_PULLUP);
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_ds18b20->begin();
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_ads.setGain(GAIN_TWOTHIRDS);
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_ads.begin();
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}
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float Sensors::readpH() {
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int sum = 0;
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const int readCount = 10;
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for (int i = 0; i < readCount; i++) {
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sum += _ads.readADC_SingleEnded(0);
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delay(10);
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}
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float averageRead = float(sum) / readCount;
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float voltage = 6.144 / 32768.0 * averageRead;
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voltage -= VOLTAGE_OFFSET;
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Serial.println(voltage);
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float pH = 7 - ((PH_7_VOLTAGE - voltage) / _pHStep);
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return pH;
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}
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void Sensors::publishpH() {
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float pH = readpH();
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String pHString(pH, 2);
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_networking->publish(_phTopic, pHString.c_str(), true);
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}
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void Sensors::publishTemperature() {
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_ds18b20->requestTemperatures();
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float temperature = _ds18b20->getTempCByIndex(0);
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int attemptStart = millis();
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while ((temperature == 85 || temperature == -127)){
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Serial.println(temperature);
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if (attemptStart - millis() > 1000)
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return;
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temperature = _ds18b20->getTempCByIndex(0);
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}
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String temperatureString(temperature, 2);
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_networking->publish(_temperatureTopic, temperatureString.c_str(), true);
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} |