Some minor changes, CO2humi added for other sensor

examples/co2_mhz19/co2_mhz19.ino

@@ -0,0 +1,71 @@
+/**
+ * @file main.cpp
+ * @author Antonio Vanegas @hpsaturn
+ * @date June 2018 - 2020
+ * @brief Particle meter sensor tests
+ * @license GPL3
+ * 
+ * Full documentation:
+ * https://github.com/kike-canaries/canairio_sensorlib#canairio-air-quality-sensors-library
+ * 
+ * Full implementation for WiFi and Bluetooth Air Quality fixed and mobile station:
+ * https://github.com/kike-canaries/canairio_firmware#canairio-firmware
+ * 
+ * CanAirIO project:
+ * https://canair.io
+ */
+
+#include <Arduino.h>
+#include <Sensors.hpp>
+
+void onSensorDataOk() {
+    Serial.print ("-->[MAIN] PM1: "+sensors.getStringPM1());
+    Serial.print (" PM2.5: " + sensors.getStringPM25());
+    Serial.print (" PM10: " + sensors.getStringPM10());
+
+    Serial.print (" CO2: " + sensors.getStringCO2());
+    Serial.print (" CO2humi: " + String(sensors.getCO2humi()));
+    Serial.print (" CO2temp: " + String(sensors.getCO2temp()));
+
+    Serial.print (" H: "+ String(sensors.getHumidity()));
+    Serial.println (" T: " + String(sensors.getTemperature()));
+
+}
+
+void onSensorDataError(const char * msg){ 
+    Serial.println(msg);
+}
+
+/******************************************************************************
+*  M A I N
+******************************************************************************/
+
+void setup() {
+    Serial.begin(115200);
+    delay(200);
+    Serial.println("\n== Sensor test setup ==\n");
+
+    Serial.println("-->[SETUP] Detecting sensors..");
+
+    sensors.setSampleTime(5);                       // config sensors sample time interval
+    sensors.setOnDataCallBack(&onSensorDataOk);     // all data read callback
+    sensors.setOnErrorCallBack(&onSensorDataError); // [optional] error callback
+    sensors.setDebugMode(true);                     // [optional] debug mode
+
+    // sensors.init();                                    // Auto detection of PM sensors (Honeywell, Plantower, Panasonic)
+    // sensors.init(sensors.Auto);                        // Auto detection of PM sensors (Honeywell, Plantower, Panasonic)
+    // sensors.init(sensors.Panasonic);                   // Force detection to Panasonic sensor
+    // sensors.init(sensors.Sensirion);                   // Force detection to Sensirion sensor
+    // sensors.init(sensors.Auto,mRX,mTX);                // Auto detection and custom RX, TX pines
+    // sensors.init(sensors.Auto,PMS_RX,PMS_TX); // Auto detection, custom RX,TX and custom DHT config
+    sensors.init(sensors.Mhz19);
+
+    if(sensors.isPmSensorConfigured())
+        Serial.println("-->[SETUP] Sensor configured: " + sensors.getPmDeviceSelected());
+
+    delay(500);
+}
+
+void loop() {
+    sensors.loop();  // read sensor data and showed it
+}

examples/co2_mhz19/platformio.ini

@@ -0,0 +1,34 @@
+; PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+
+[platformio]
+src_dir = .
+
+[common_env_data]
+framework = arduino
+upload_speed = 1500000
+monitor_speed = 115200
+lib_deps =
+    hpsaturn/CanAirIO Air Quality Sensors Library
+
+[env:esp32dev]
+platform = espressif32
+board = esp32dev
+framework = ${common_env_data.framework}
+upload_speed = ${common_env_data.upload_speed}
+monitor_speed = ${common_env_data.monitor_speed}
+lib_deps = ${common_env_data.lib_deps}
+
+[env:esp8266]
+platform = espressif8266
+board = esp12e
+framework = ${common_env_data.framework}
+monitor_speed = ${common_env_data.monitor_speed}
+lib_deps = ${common_env_data.lib_deps}

examples/platformio/src/main.cpp

@@ -22,9 +22,9 @@ void onSensorDataOk() {
     Serial.print ("-->[MAIN] PM1.0: "+sensors.getStringPM1());
     Serial.print (" PM2.5: " + sensors.getStringPM25());
     Serial.print (" PM10: " + sensors.getStringPM10());
-    Serial.print (" PM1: " + sensors.getStringPM1());
-    Serial.print (" T: " + String(sensors.getTemperature()));
-    Serial.println(" H: "+ String(sensors.getHumidity()));
+    Serial.print (" H: "+ String(sensors.getHumidity()));
+    Serial.println (" T: " + String(sensors.getTemperature()));
+
 }
 
 void onSensorDataError(const char * msg){ 

src/Sensors.cpp

@@ -131,6 +131,24 @@ String Sensors::getStringPM10() {
     return String(output);
 }
 
+uint16_t Sensors::getCO2() {
+    return CO2;
+}
+
+String Sensors::getStringCO2() {
+    char output[5];
+    sprintf(output, "%04d", getCO2());
+    return String(output);
+}
+
+float Sensors::getCO2humi() {
+    return CO2humi;
+}
+
+float Sensors::getCO2temp() {
+    return CO2temp;
+}
+
 float Sensors::getHumidity() {
     return humi;
 }
@@ -273,7 +291,7 @@ bool Sensors:: pmMhz19Read() {
     CO2 = myMHZ19.getCO2();                             // Request CO2 (as ppm)
     CO2temp = myMHZ19.getTemperature();                    // Request Temperature (as Celsius)
     if(CO2>0){
-        DEBUG("-->[AM2320] read > done!");
+        DEBUG("-->[MHZ14-9] read > done!");
         return true;
     }
     return false;
@@ -591,8 +609,8 @@ void Sensors::dhtInit() {
 
 /// Print some sensors values
 void Sensors::printValues() {
-    char output[100];
-    sprintf(output, "PM1:%03d PM25:%03d PM10:%03d H:%03f%% T:%03f°C", pm1, pm25, pm10, humi, temp);
+    char output[200];
+    sprintf(output, "PM1:%03d PM25:%03d PM10:%03d CO2:%04d CO2humi:%03f%% CO2temp:%03f°C H:%03f%% T:%03f°C", pm1, pm25, pm10, CO2, CO2humi, CO2temp, humi, temp);
     DEBUG("-->[SENSORS]", output);
 }
 

src/Sensors.hpp

@@ -93,7 +93,11 @@ class Sensors {
     uint16_t getPM25();
     uint16_t getPM4();
     uint16_t getPM10();
-
+    uint16_t getCO2();
+
+    float getCO2humi();
+    float getCO2temp();
+
     float getTemperature();
     float getHumidity();
     float getPressure();
@@ -110,6 +114,8 @@ class Sensors {
     String getStringPM25();
     String getStringPM4();
     String getStringPM10();
+    String getStringCO2();
+    String getStringCO2temp();    
 
    private:
 
@@ -139,8 +145,9 @@ class Sensors {
     float alt = 0.0;
     float gas = 0.0;
 
-    int CO2;
-    float CO2temp;
+    uint16_t CO2;   // CO2 in ppm
+    float CO2humi = 0.0;    // temperature of the CO2 sensor
+    float CO2temp = 0.0;    // temperature of the CO2 sensor
 
     void restart();
     void am2320Init();