arduino/examples/TestPM/TestPM.ino

/*
This is sample code for the AirGradient library with a minimal implementation
to read PM values from the Plantower sensor.

CC BY-SA 4.0 Attribution-ShareAlike 4.0 International License
*/

#include <AirGradient.h>

#ifdef ESP8266
AirGradient ag = AirGradient(DIY_BASIC);
#else
// AirGradient ag = AirGradient(ONE_INDOOR);
AirGradient ag = AirGradient(OPEN_AIR_OUTDOOR);
#endif

void failedHandler(String msg);

void setup() {
  Serial.begin(115200);
#ifdef ESP8266
  if (ag.pms5003.begin(&Serial) == false) {
    failedHandler("Init PMS5003 failed");
  }
#else
  if (ag.getBoardType() == OPEN_AIR_OUTDOOR) {
    if (ag.pms5003t_1.begin(Serial0) == false) {
      failedHandler("Init PMS5003T failed");
    }
  } else {
    if (ag.pms5003.begin(Serial0) == false) {
      failedHandler("Init PMS5003T failed");
    }
  }
#endif
}

void loop() {
  int PM2;
  bool readResul = false;
#ifdef ESP8266
  if (ag.pms5003.readData()) {
    PM2 = ag.pms5003.getPm25Ae();
    Serial.printf("PM2.5 in ug/m3: %d\r\n", PM2);
    Serial.printf("PM2.5 in US AQI: %d\r\n",
                  ag.pms5003.convertPm25ToUsAqi(PM2));
  }
#else
  if (ag.getBoardType() == OPEN_AIR_OUTDOOR) {
    if (ag.pms5003t_1.readData()) {
      PM2 = ag.pms5003t_1.getPm25Ae();
      readResul = true;
    }
  } else {
    if (ag.pms5003.readData()) {
      PM2 = ag.pms5003.getPm25Ae();
      readResul = true;
    }
  }

  if (readResul) {
    Serial.printf("PM2.5 in ug/m3: %d\r\n", PM2);
    if (ag.getBoardType() == OPEN_AIR_OUTDOOR) {
      Serial.printf("PM2.5 in US AQI: %d\r\n",
                    ag.pms5003t_1.convertPm25ToUsAqi(PM2));
    } else {
      Serial.printf("PM2.5 in US AQI: %d\r\n",
                    ag.pms5003.convertPm25ToUsAqi(PM2));
    }
  }
#endif

  delay(5000);
}

void failedHandler(String msg) {
  while (true) {
    Serial.println(msg);
    delay(1000);
  }
}