add mhz19 zero calibration
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f051321c81
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@ -16,8 +16,8 @@
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#data_dir=data_sensoresp1
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#data_dir=data_sensoresp2
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#data_dir=data_sensoresp3
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#data_dir=data_sensoresp4
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data_dir=data_sensoresp5
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data_dir=data_sensoresp4
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#data_dir=data_sensoresp5
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#Outdoor
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55
src/main.cpp
55
src/main.cpp
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@ -15,6 +15,7 @@
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#define FW_NAME "sensoresp" //gets printed on topic/$fw/name
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#define FW_VERSION "1.0.0" //gets printed on topic/$fw/version
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#define STATUSNODE
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struct sensordata
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{
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@ -27,6 +28,7 @@ struct sensordata
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};
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#ifdef SENSOR_DHT22
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// Digital pin connected to the DHT sensor. // dht pins: 1=power, 2=data, 3=NC, 4=GND. 10k from data to power needed
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#include <Adafruit_Sensor.h> //required for dht library
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@ -110,7 +112,7 @@ struct sensordata
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/*
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* MHZ19 Library: https://platformio.org/lib/show/1620/SevSegSPI
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* Software Serial Library: https://platformio.org/lib/show/168/EspSoftwareSerial
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* SDS018 example: https://github.com/crystaldust/sds018/blob/master/sds018.ino
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*/
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// SW Serial
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//SW Serial RX: to mhz19 tx (green cable)
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@ -142,12 +144,18 @@ struct sensordata
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SoftwareSerial mhz19_swSerial;
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#define BAUD_RATE_MHZ19 9600
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#define MHZ19CALIBRATIONTOPIC
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#include <MHZ19.h>
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MHZ19 mhz19;
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bool mhz19_ready=false;
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int value_co2=-1; //[ppm]
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int mhz19_readValue_reimplemented(Stream *_streamRef, MHZ19 *_mhz19Ref); //declare function
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#ifdef MHZ19CALIBRATIONTOPIC
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bool mhz19calibrationHandler(const HomieRange& range, const String& value);
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#endif
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#endif
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@ -155,6 +163,8 @@ struct sensordata
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struct sensordata dataSDS018_pm25;
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struct sensordata dataSDS018_pm10;
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// SDS018 example: https://github.com/crystaldust/sds018/blob/master/sds018.ino
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//SDS18 dust sensor for 2.5µm and 10µm
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//Needs 5V
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@ -252,6 +262,7 @@ void setup() {
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delay(1000); //wait for sensors to get powered
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#ifdef SENSOR_DHT22
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Serial.println("initializing dht");
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dht.begin();
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@ -358,8 +369,11 @@ void setup() {
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if (mhz19abctries>0) {
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Serial.println("mhz19 abc disabled successfully");
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}
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#endif
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#ifdef SENSOR_SDS018
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Serial.println("initializing sds018");
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sds018_swSerial.begin(BAUD_RATE_SDS018, SWSERIAL_8N1, SDS018_SERIAL_RX, SDS018_SERIAL_TX, false, 256);
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@ -414,12 +428,19 @@ void setup() {
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#endif
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#endif
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// ##### Advertise topics below here #####
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//Homie_setFirmware(FW_NAME, FW_VERSION);
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//Homie_setBrand(FW_NAME);
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Homie_setFirmware(FW_NAME, FW_VERSION);
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Homie.setLoopFunction(loopHandler);
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#ifdef STATUSNODE
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//to return some stuff about status, errors etc.
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Serial.println("Using status node");
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sensorNode.advertise("status");
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#endif
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#ifdef SENSOR_DHT22
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@ -466,6 +487,9 @@ void setup() {
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#ifdef SENSOR_MHZ19
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sensorNode.advertise("co2");
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#ifdef MHZ19CALIBRATIONTOPIC
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sensorNode.advertise("mhz19calibration").settable(mhz19calibrationHandler);
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#endif
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#endif
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#ifdef SENSOR_SDS018
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@ -893,6 +917,9 @@ void loop_TCS34725_lux()
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lastread_tcs34725=millis();
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if (tcs.isSaturated){
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Serial.println("Warning: tcs34725 is saturated");
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#ifdef STATUSNODE
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sensorNode.setProperty("status").send("TCS34725 is saturated");
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#endif
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}
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}
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//value_tcs_lux = tcs.calculateLux(value_tcs_r, value_tcs_g, value_tcs_b);
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@ -1308,6 +1335,32 @@ void ICACHE_RAM_ATTR interrupt_raingauge()
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#endif
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/* #################################
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* ########### topic handler #######
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*/
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#ifdef MHZ19CALIBRATIONTOPIC
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bool mhz19calibrationHandler(const HomieRange& range, const String& value) {
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if (range.isRange) {
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return false; //if range is given but index is not in allowed range
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}
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Homie.getLogger() << "mhz19 calibration " << ": " << value << endl;
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if (value=="zero") {
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mhz19.calibrateZero();
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Homie.getLogger() << "mhz19 calibration " << ": " << value << endl;
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#ifdef STATUSNODE
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sensorNode.setProperty("status").send("MHZ19 Zero Calibration triggered");
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#endif
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} else {
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Homie.getLogger() << "Value outside range" << endl;
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return false;
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}
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return true;
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}
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#endif
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/*##################################
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* ######## HELPER FUNCTIONS ########
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