Shared via Particle Build
// This #include statement was automatically added by the Particle IDE.
#include <Adafruit_BME280.h>
// ThingySticks Air Quality Stick.
// CCS811 (TVOC and eCO2)
// BME280 (Temperature, Humidity, Pressure)
// TEMT6000 (Light level)
// CCS811 sample code/library from:
// https://github.com/sparkfun/CCS811_Air_Quality_Breakout
// https://github.com/sparkfun/SparkFun_CCS811_Arduino_Library
// A new sensor requires at 48-burn in. Once burned in a sensor requires
// 20 minutes of run in before readings are considered good.
#include "SparkFunCCS811.h"
#define CCS811_ADDR 0x5B //Default I2C Address
//#define CCS811_ADDR 0x5A //Alternate I2C Address
#define SEALEVELPRESSURE_HPA (1013.25)
// ==================================
// PIN Connections V4.0.1 PCB
// LED DAC
// Photodiode A1
// WAKE (CCS811) D6
// RESET (CCS811) D5
// INT (CCS811) D4
// SCL D1
// SDA D0
CCS811 ccs(CCS811_ADDR);
Adafruit_BME280 bme;
#define LED_PIN DAC
#define LIGHT_SENSOR_PIN A1
bool hasCCS = true;
bool hasBme = true;
void setup()
{
pinMode(D7, OUTPUT);
pinMode(LED_PIN, OUTPUT);
digitalWrite(D7, LOW);
digitalWrite(LED_PIN, LOW);
Serial.begin(9600);
Serial.println("ThingySticks V4 Environment Monitor");
if (!bme.begin(0x77)) {
Particle.publish("status","BME280 not found");
Serial.println("Error: BME280 Not Found!");
digitalWrite(D7, HIGH);
hasBme = false;
} else {
Particle.publish("status","BME280 initialized");
delay(1000);
}
//It is recommended to check return status on .begin(), but it is not
//required.
CCS811Core::status returnCode = ccs.begin();
if (returnCode != CCS811Core::SENSOR_SUCCESS)
{
Particle.publish("status","CCS811 returned error. Error: " + String(returnCode));
Serial.println("Error: CCS811 Not Found!");
digitalWrite(D7, HIGH);
hasCCS = false;
} else {
Particle.publish("status","CCS811 initialized.");
delay(1000);
}
Particle.publish("status","Environment V4 Online. V0.0.12");
delay(1000);
}
void loop()
{
digitalWrite(LED_PIN, HIGH);
String senml = "";
senml += "{'n':'Light','v': " + String(analogRead(LIGHT_SENSOR_PIN)) + "}";
if (hasCCS) {
//Check to see if data is ready with .dataAvailable()
if (ccs.dataAvailable())
{
//If so, have the sensor read and calculate the results.
//Get them later
ccs.readAlgorithmResults();
senml += ",{'n':'CO2','v': " + String(ccs.getCO2()) + "}";
senml += ",{'n':'TVOC','v': " + String(ccs.getTVOC()) + "}";
} else {
if (ccs.checkForStatusError()) {
uint8_t error = ccs.getErrorRegister();
Particle.publish("status", "Status error: " + String(error));
}
}
}
if (hasBme) {
senml += ",{'n':'T','v': " + String(bme.readTemperature()) + "}";
senml += ",{'n':'P','v': " + String(bme.readPressure() / 100.0F) + "}";
senml += ",{'n':'A','v': " + String(bme.readAltitude(SEALEVELPRESSURE_HPA)) + "}";
senml += ",{'n':'H','v': " + String(bme.readHumidity()) + "}";
}
if (senml != "") {
Serial.println("Senml: " + senml);
Particle.publish("senml", "{'e':[" + senml + "]}");
delay(2000);
}
digitalWrite(LED_PIN, LOW);
//System.sleep(SLEEP_MODE_DEEP, 30);
delay(30000);
}
