Ikea Sensirion I2C SEN5X implementation

examples/DfRobot_Multigas/dfr_multigas.ino

@@ -21,6 +21,7 @@
 void onSensorDataOk() {
     Serial.println("-->[MAIN] NH3: " + String(sensors.getNH3()));
     Serial.println("-->[MAIN] CO: " + String(sensors.getCO()));
+    Serial.println("-->[MAIN] NO2: " + String(sensors.getNO2()));)
 }
 
 void onSensorDataError(const char* msg) {
@@ -46,6 +47,7 @@ void setup() {
 
     sensors.init(SENSORS::SDFRCO);                         // detect CO sensor
     sensors.init(SENSORS::SDFRNH3);                        // detect NH3 sensor
+    sensors.init(SENSORS::SDFRNO2);                        // detect NO2 sensor
 
     delay(500);
 }

examples/DfRobot_Multigas/i2c_change/main.cpp

@@ -0,0 +1,147 @@
+/*!
+  * @file  readGasConcentration.ino
+  * @brief Obtain gas concentration corresponding to the current environment, output as concentration value
+  * @n Experimental mode: connect sensor communication pin to the main controller and burn
+  * @n Communication mode select, DIP switch SEL: 0: I2C, 1: UART
+  * @n Group serial number         Address in the group
+  * @n A0 A1 DIP level 00    01    10    11
+  * @n 1            0x60  0x61  0x62  0x63
+  * @n 2            0x64  0x65  0x66  0x67
+  * @n 3            0x68  0x69  0x6A  0x6B
+  * @n 4            0x6C  0x6D  0x6E  0x6F
+  * @n 5            0x70  0x71  0x72  0x73
+  * @n 6 (Default address group) 0x74  0x75  0x76  0x77 (Default address)
+  * @n 7            0x78  0x79  0x7A  0x7B
+  * @n 8            0x7C  0x7D  0x7E  0x7F
+  * @n i2c address select, default to 0x77, A1 and A0 are grouped into 4 I2C addresses.
+  * @n             | A0 | A1 |
+  * @n             | 0  | 0  |    0x74
+  * @n             | 0  | 1  |    0x75
+  * @n             | 1  | 0  |    0x76
+  * @n             | 1  | 1  |    0x77   default i2c address  
+  * @n Experimental phenomenon: view the gas concentration corresponding to the current environment through serial port printing
+  * @copyright   Copyright (c) 2010 DFRobot Co.Ltd (http://www.dfrobot.com)
+  * @license     The MIT License (MIT)
+  * @author      PengKaixing([email protected])
+  * @version     V1.0
+  * @date        2021-03-28
+  * @url         https://github.com/DFRobot/DFRobot_MultiGasSensor
+  */
+#include "DFRobot_MultiGasSensor.h"
+#include <Arduino.h>
+
+//Turn on by default, using I2C communication at the time, switch to serial port communication after turning off
+//#define I2C_COMMUNICATION
+
+//#ifdef  I2C_COMMUNICATION
+//#define I2C_ADDRESS    0x77
+  DFRobot_GAS_I2C nh3(&Wire,0x7A);
+  DFRobot_GAS_I2C co(&Wire,0x78);
+  DFRobot_GAS_I2C no(&Wire,0x7B);
+
+void setup() {
+  //Serial port init for viewing printing output
+  Serial.begin(115200);
+
+ //Change i2c address group
+  while(gas.changeI2cAddrGroup(7)==0)
+  {
+    Serial.println("IIC addr change fail!");
+    delay(1000);
+  }  
+  Serial.println("IIC addr change success!");
+}
+
+  //Sensor init, used to init serial port or I2C, depending on the communication mode currently used
+  while(!nh3.begin())
+  {
+    Serial.println("No Devices NH3 !");
+    delay(1000);
+  }
+  //Mode of obtaining data: the main controller needs to request the sensor for data
+  nh3.changeAcquireMode(nh3.PASSIVITY);
+  delay(1000);
+
+  nh3.setTempCompensation(nh3.ON);
+
+ Serial.println("The device nh3  0x7A is connected successfully!");
+
+  while(!co.begin())
+  {
+    Serial.println("No Devices CO !");
+    delay(1000);
+  }
+
+ co.changeAcquireMode(co.PASSIVITY);
+  delay(1000);
+
+  co.setTempCompensation(co.ON);
+
+ Serial.println("The device CO  0x78 is connected successfully!");
+
+  while(!no2.begin())
+  {
+    Serial.println("No Devices NO2 !");
+    delay(1000);
+  }
+
+ no2.changeAcquireMode(no2.PASSIVITY);
+  delay(1000);
+
+  no2.setTempCompensation(no2.ON);
+
+ Serial.println("The device CO  0x7B is connected successfully!");
+}
+
+void loop() {
+  String gastypeNH3 = nh3.queryGasType();
+  /**
+   *Fill in the parameter readGasConcentration() with the type of gas to be obtained and print
+   *The current gas concentration
+   *Print with 1s delay each time
+   */
+  Serial.print("Ambient ");
+  Serial.print(gastypeNH3);
+  Serial.print(" concentration is: ");
+  Serial.print(nh3.readGasConcentrationPPM());
+  if (gastypeNH3 == "O2")
+    Serial.println(" %vol");
+  else
+    Serial.println(" PPM");
+  Serial.println();
+  delay(1000);
+
+   String gastypeCO = co.queryGasType();
+  /**
+   *Fill in the parameter readGasConcentration() with the type of gas to be obtained and print
+   *The current gas concentration
+   *Print with 1s delay each time
+   */
+  Serial.print("Ambient ");
+  Serial.print(gastypeCO);
+  Serial.print(" concentration is: ");
+  Serial.print(co.readGasConcentrationPPM());
+  if (gastypeCO == "O2")
+    Serial.println(" %vol");
+  else
+    Serial.println(" PPM");
+  Serial.println();
+  delay(1000);
+
+   String gastypeNO2 = no2.queryGasType();
+  /**
+   *Fill in the parameter readGasConcentration() with the type of gas to be obtained and print
+   *The current gas concentration
+   *Print with 1s delay each time
+   */
+  Serial.print("Ambient ");
+  Serial.print(gastypeNO2);
+  Serial.print(" concentration is: ");
+  Serial.print(no2.readGasConcentrationPPM());
+  if (gastypeNO2 == "O2")
+    Serial.println(" %vol");
+  else
+    Serial.println(" PPM");
+  Serial.println();
+  delay(1000);
+}

examples/DfRobot_Multigas/i2c_change/platformio.ini

@@ -0,0 +1,18 @@
+; 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
+
+[env:esp32doit-devkit-v1]
+platform = espressif32
+board = esp32doit-devkit-v1
+monitor_speed = 115200
+monitor_filters = time
+framework = arduino
+lib_deps = 
+    https://github.com/DFRobot/DFRobot_MultiGasSensor.git

library.json

@@ -1,6 +1,6 @@
 {
   "name": "CanAirIO Air Quality Sensors Library",
-  "version": "0.7.1",
+  "version": "0.7.2",
   "homepage":"https://canair.io",
   "keywords": 
   [ 
@@ -76,13 +76,13 @@
   "license": "GPL-3.0-only",
   "dependencies":
   [
-    {"name":"Adafruit Unified Sensor", "owner":"adafruit", "version":"1.1.9"},
+    {"name":"Adafruit Unified Sensor", "owner":"adafruit", "version":"1.1.13"},
     {"name":"Adafruit BME280 Library", "owner":"adafruit","version":"2.2.2"},
-    {"name":"Adafruit BMP280 Library", "owner":"adafruit","version":"2.6.6"},
+    {"name":"Adafruit BMP280 Library", "owner":"adafruit","version":"2.6.8"},
     {"name":"Adafruit BME680 Library","owner":"adafruit","version":"2.0.2"},
-    {"name":"Adafruit SHT31 Library", "owner":"adafruit","version":"2.2.0"},
+    {"name":"Adafruit SHT31 Library", "owner":"adafruit","version":"2.2.2"},
     {"name":"Adafruit SCD30", "owner":"adafruit","version":"1.0.9"},
-    {"name":"Adafruit BusIO", "owner":"adafruit","version":"1.14.1"},
+    {"name":"Adafruit BusIO", "owner":"adafruit","version":"1.14.4"},
     {"name":"AM232X", "owner":"robtillaart", "version":"0.4.5"},
     {"name":"sps30", "owner":"paulvha","version":"1.4.16"},
     {"name":"MH-Z19", "owner":"wifwaf", "version":"1.5.4"},
@@ -91,8 +91,8 @@
     {"name":"Sensirion I2C SCD4x","owner":"sensirion","version":"0.4.0"},
     {"name":"DFRobot_MultiGasSensor","owner":"phzi","version":"2.0.0"},
 
-    {"name":"DHT_nonblocking", "version":"https://github.com/hpsaturn/DHT_nonblocking.git#ec6e5b9"},
     {"name":"AHTxx", "version":"https://github.com/enjoyneering/AHTxx.git#eb21571"},
+    {"name":"DHT_nonblocking", "version":"https://github.com/hpsaturn/DHT_nonblocking.git#ec6e5b9"},
     {"name":"SN-GCJA5", "version":"https://github.com/paulvha/SN-GCJA5.git#f261968"},
     {"name":"CM1106_UART", "version":"https://github.com/jcomas/CM1106_UART.git#da0eb4e"}
   ]

library.properties

@@ -1,5 +1,5 @@
 name=CanAirIO Air Quality Sensors Library
-version=0.7.1
+version=0.7.2
 author=@hpsaturn, CanAirIO project <[email protected]>
 maintainer=Antonio Vanegas <[email protected]>
 url=https://github.com/kike-canaries/canairio_sensorlib