109 lines
2.6 KiB
C++
109 lines
2.6 KiB
C++
#include "nodeCodeHeader.h"
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nodeReadings::nodeReadings() {
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dht = new DHT(DHTPIN, DHTTYPE);
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display = new Adafruit_SH1106G(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
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webSocket = new websockets(); //nu naar eigen class
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sgp = new Adafruit_SGP30();
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interval = 5000;
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resetValues();
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}
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void nodeReadings::resetValues() {
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counter = 0;
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eCO2 = 0;
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TVOC = 0;
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temperature = 0;
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humidity = 0;
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currentMillis = 0;
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lastMillis = 0;
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errorSGP30 = false;
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errorDHT11 = false;
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noise = false;
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}
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void nodeReadings::setup(){
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// make serial connection at 115200 baud
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Serial.begin(115200);
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// tell display what settings to use
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display->begin(i2c_adress, true);
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display->clearDisplay();
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// tell sensors to start reading
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dht->begin();
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sgp->begin();
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pinMode(MICPIN, INPUT);
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pinMode(DHTPIN, INPUT);
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webSocket->websocketSetup();
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}
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void nodeReadings::loop() {
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// update when interval is met
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if (currentMillis - lastMillis >= interval){
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lastMillis = millis();
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update();
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}
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// update the counter
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currentMillis = millis();
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// loop the websocket connection so it stays alive
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webSocket->loop();
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}
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void nodeReadings::update(){
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// display sensordata on oled screen
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displayData();
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webSocket->sendMyText("{\"node\": \"" + String(WiFi.macAddress()) + "\", \"Temp\":\"" + String(temperature) + "\",\"Humi\":\"" + String(humidity) + "\",\"eCO2\":\"" + String(sgp->eCO2) + "\",\"TVOC\":\"" + String(sgp->TVOC) + "\"}");
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sgp->getIAQBaseline(&eCO2_base, &TVOC_base);
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// read dht11 sensor
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temperature = float(dht->readTemperature());
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humidity = float(dht->readHumidity());
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// check if any errors occured when reading sensors
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checkForError();
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}
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void nodeReadings::displayData() {
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// clear display for new info
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display->clearDisplay();
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// display the data on the oled screen
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display->setTextSize(2);
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display->setTextColor(SH110X_WHITE);
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display->setCursor(0,0);
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display->println("Temp: " + String(int(temperature)) + " C");
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display->println("Humi: " + String(int(humidity)) + " %");
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display->println("eCO2: " + String(sgp->eCO2));// + " ppm");
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display->println("TVOC: " + String(sgp->TVOC));// + " ppb");
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display->display();
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}
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void nodeReadings::checkForError(){
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if (!sgp->IAQmeasure()) {
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Serial.println("SGP30: BAD");
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errorSGP30 = true;
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} else {
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Serial.println("SGP30: OK");
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errorSGP30 = false;
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}
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if (isnan(temperature) || isnan(humidity)){
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Serial.println("DHT11: BAD");
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errorDHT11 = true;
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} else {
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Serial.println("DHT11: OK");
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errorDHT11 = false;
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}
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} |