add htu21d sensor
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@ -16,8 +16,9 @@
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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_sensoresp4
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#data_dir=data_sensoresp5
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data_dir=data_sensoresp3dprinter
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#Outdoor
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@ -244,3 +245,28 @@ lib_deps =
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Homie@3.0.0
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#3D Printer
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[env:sensoresp3dprinter]
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platform = espressif8266
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board = d1_mini
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framework = arduino
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monitor_port = /dev/ttyUSB0
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monitor_speed = 115200
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build_flags =
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-D SENSOR_HTU21D
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-D dataHTU21D_temperature_minchange=0.2
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-D dataHTU21D_temperature_senddelaymax=1000*60*10
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-D dataHTU21D_humidity_minchange=1.0
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-D dataHTU21D_humidity_senddelaymax=1000*60*10
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lib_deps =
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adafruit/Adafruit HTU21DF Library @ ^1.0.5
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ArduinoJson@6.16.1 #dependency of homie. using older version because of "ambiguous overload for operator|" error
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Homie@3.0.0
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111
src/main.cpp
111
src/main.cpp
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@ -53,6 +53,21 @@ struct sensordata
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float value_pressureBMP=0;
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#endif
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#ifdef SENSOR_HTU21D
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//Connect SCL to D1, SDA to D2, GND and 3v3
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#ifndef WIRE_H
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#include <Wire.h>
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#define WIRE_H
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#endif
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#include "Adafruit_HTU21DF.h"
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bool htu21dinit_ok=false;
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Adafruit_HTU21DF htu = Adafruit_HTU21DF();
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struct sensordata dataHTU21D_temperature; //struct values are changed in setup()
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float value_temperatureHTU=0;
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struct sensordata dataHTU21D_humidity; //struct values are changed in setup()
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float value_humidityHTU=0;
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#endif
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#ifdef SENSOR_HS1101
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struct sensordata dataHS1101;
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float value_humidityHS1101=0;
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@ -66,7 +81,10 @@ struct sensordata
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#ifdef SENSOR_BH1750
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//SCL=D1, SDA=D2
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#ifndef WIRE_H
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#include <Wire.h>
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#define WIRE_H
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#endif
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#include <BH1750.h>
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BH1750 lightMeter(0x23); //0x23 if addr connected to ground (=pin open), 0x5c if addr pulled high
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bool bh1750init_ok=false;
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@ -297,6 +315,29 @@ void setup() {
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#endif
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#endif
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#ifdef SENSOR_HTU21D
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Serial.println("initializing htu21d");
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if (!htu.begin()) {
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Serial.println("#ERROR: HTU21D init fail\n");
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}else{
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htu21dinit_ok=true; //stays false if init failed, sensor will not be read in loop
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}
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#ifdef dataHTU21D_temperature_minchange
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dataHTU21D_temperature.minchange=dataHTU21D_temperature_minchange;
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#endif
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#ifdef dataHTU21D_temperature_senddelaymax
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dataHTU21D_temperature.senddelaymax=dataHTU21D_temperature_senddelaymax;
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#endif
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#ifdef dataHTU21D_humidity_minchange
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dataHTU21D_humidity.minchange=dataHTU21D_humidity_minchange;
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#endif
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#ifdef dataHTU21D_humidity_senddelaymax
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dataHTU21D_humidity.senddelaymax=dataHTU21D_humidity_senddelaymax;
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#endif
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#endif
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#ifdef SENSOR_HS1101
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Serial.println("initializing hs1101");
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#ifdef dataHS1101_minchange
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@ -507,6 +548,11 @@ void setup() {
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sensorNode.advertise("pressure");
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#endif
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#ifdef SENSOR_HTU21D
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sensorNode.advertise("temperature_htu");
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sensorNode.advertise("humidity_htu");
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#endif
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#ifdef SENSOR_MHZ19
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sensorNode.advertise("co2");
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#ifdef MHZ19CALIBRATIONTOPIC
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@ -671,6 +717,64 @@ void loop_BMP180_pressure()
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}
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#endif
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#ifdef SENSOR_HTU21D
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void loop_HTU21D_temperature()
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{
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sensordata &d=dataHTU21D_temperature;
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bool _changed=false;
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if (millis() >= (d.lastreadtime+d.readdelay)) {
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value_temperatureHTU = htu.readTemperature();
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if (fabs(d.lastsentvalue-value_temperatureHTU)>=d.minchange){
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_changed=true;
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}
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d.lastreadtime=millis();
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}
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if (_changed || millis() >= (d.lastsent+d.senddelaymax)) {
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Serial.print("Sending HTU21D_temperature. reason=");
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if (_changed) Serial.println("change"); else Serial.println("time");
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checkESPStatus();
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if (!(isnan(value_temperatureHTU) == 1)){ //success
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sensorNode.setProperty("temperature_htu").send(String(value_temperatureHTU));
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Homie.getLogger() << "temperature_htu " << ": " << value_temperatureHTU << endl;
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d.lastsentvalue=value_temperatureHTU;
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}
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d.lastsent=millis();
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}
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}
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void loop_HTU21D_humidity()
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{
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sensordata &d=dataHTU21D_humidity;
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bool _changed=false;
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if (millis() >= (d.lastreadtime+d.readdelay)) {
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value_humidityHTU = htu.readHumidity();
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if (fabs(d.lastsentvalue-value_humidityHTU)>=d.minchange){
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_changed=true;
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}
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d.lastreadtime=millis();
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}
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if (_changed || millis() >= (d.lastsent+d.senddelaymax)) {
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Serial.print("Sending HTU21D_humidity. reason=");
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if (_changed) Serial.println("change"); else Serial.println("time");
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checkESPStatus();
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if (!(isnan(value_humidityHTU) == 1)){ //success
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sensorNode.setProperty("humidity_htu").send(String(value_humidityHTU));
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Homie.getLogger() << "humidity_htu " << ": " << value_humidityHTU << endl;
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d.lastsentvalue=value_humidityHTU;
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}
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d.lastsent=millis();
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}
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}
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#endif
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#ifdef SENSOR_HS1101
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void loop_HS1101() {
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@ -1156,6 +1260,13 @@ void loopHandler() {
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}
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#endif
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#ifdef SENSOR_HTU21D
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if (htu21dinit_ok) {
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loop_HTU21D_temperature();
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loop_HTU21D_humidity();
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}
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#endif
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#ifdef SENSOR_HS1101
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loop_HS1101();
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#endif
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