//#define DEBUG //Compile with platformio run --environment sensorespx //Compile and upload: platformio run --environment sensorespx -t upload //Spiffs data upload with (comment in data_dir line unter platformio section): platformio run --environment sensorespx -t uploadfs //GPIO2 is blue led on wemos_d1 #include "Arduino.h" #include #define FW_NAME "sensoresp" //gets printed on topic/$fw/name #define FW_VERSION "1.0.0" //gets printed on topic/$fw/version struct sensordata { unsigned long lastreadtime=0; unsigned long readdelay=1000*10; //polling delay float minchange=0; //send new value if difference to last sent value is greater than this float lastsentvalue=0; unsigned long lastsent=0; unsigned long senddelaymax=1000*60*5; //maximum time until current value is send }; #ifdef SENSOR_DHT22 // Digital pin connected to the DHT sensor. // dht pins: 1=power, 2=data, 3=NC, 4=GND. 10k from data to power needed #include //required for dht library #include DHT dht(DHTPIN,DHT22,11); //default:11 struct sensordata dataDHT22_temperature; //struct values are changed in setup() float value_temperatureDHT=0; struct sensordata dataDHT22_humidity; //struct values are changed in setup() float value_humidityDHT=0; #endif #ifdef SENSOR_BMP180 //Connect SCL to D1, SDA to D2, GND and 3v3 #include bool bmp180init_ok=false; Adafruit_BMP085 bmp180; struct sensordata dataBMP180_temperature; //struct values are changed in setup() float value_temperatureBMP=0; struct sensordata dataBMP180_pressure; //struct values are changed in setup() float value_pressureBMP=0; #endif #ifdef SENSOR_HS1101 struct sensordata dataHS1101; float value_humidityHS1101=0; #define HUMARRAYSIZE 11 //from HS1101 datasheet https://www.parallax.com/sites/default/files/downloads/27920-Humidity-Sensor-Datasheet.pdf static const unsigned int out_humidity[] = {1000,900,800,700,600,500,400,300,200,100,0}; //*10, gets later devided by 10 static const unsigned int in_hs1101frequency[] = {6033,6186,6330,6468,6600,6728,6853,6976,7100,7224,7351}; float getHumidity_HS1101(int pin); int get_mapped(const unsigned int* _in, const unsigned int* _out, byte size,int val); #endif #ifdef SENSOR_BH1750 //SCL=D1, SDA=D2 #include #include BH1750 lightMeter(0x23); bool bh1750init_ok=false; sensordata dataBH1750; float value_lightBH1750=0; #endif #ifdef SENSOR_ML8511 //ML8511 UV Sensor outputs an analog voltage. ML8511PIN needs to be an ADC pin sensordata dataML8511; float getUV_ML8511(int pin); float mapfloat(float x, float in_min, float in_max, float out_min, float out_max); float value_uvML8511=0; //uvIntensity (mW/cm^2) #endif #ifdef SENSOR_PIR // PIR Sensors HC-SR501 (modified to put out shortest pulse time short pins 5 and 6 of ic) //pir sensor needs 5v through an inductor for filtering. output level is 3.3v sensordata dataPIR; bool value_PIR=false; #endif #ifdef SENSOR_LDR struct sensordata dataLDR; float value_ldr=0; #ifdef SENSOR_LDR_CALIB1 #define LDRARRAYSIZE 18 //black wire of ldr connects to A0 with 10k to gnd. red wire connects with 1k to gnd and 2k2 to 3v3 static const unsigned int out_ldr[] = {0, 30, 50, 60, 130, 170, 250, 420, 780, 1300,2600, 5000, 5350, 7700, 10900, 12000, 17000,20000}; // x10 (i.e. gets later divided by 10) static const unsigned int in_ldr[] = {0, 12, 100, 150, 350, 400, 450, 650, 730, 780, 840, 930, 948 , 970, 993, 1005, 1019, 1023}; // 0 - 1023 #endif int get_lux(const unsigned int* _in, const unsigned int* _out, byte size); //for analog ldr light calculation #endif #ifdef SENSOR_MHZ19 struct sensordata dataMHZ19; /* * MHZ19 Library: https://platformio.org/lib/show/1620/SevSegSPI * Software Serial Library: https://platformio.org/lib/show/168/EspSoftwareSerial * SDS018 example: https://github.com/crystaldust/sds018/blob/master/sds018.ino */ // SW Serial //SW Serial RX: to mhz19 tx (green cable) //SW Serial TX: to mhz19 rx (blue cable) //co2 sensor needs 5v. Maybe better to Connect USB 5V directly (not through wemos d1 onboard diode which gives only 4.7V! at '5V' output) //if ABC is disabled (see in setup function) sensor should be calibrated manually. leave outdoors (=400ppm) with no direct sunlight for >20min, then connect HD pin to GND for at least 7 seconds. /* Pinout (view from top, connector at the bottom) * Vin, GND, NC, PWM * | | | | * /-----------------\ * | | * | | * | | * | | * \-----------------/ * | | | | | * Vo Rx Tx NC HD * * [Connector] */ #ifndef SOFTWARESERIAL_H #include #define SOFTWARESERIAL_H #endif SoftwareSerial mhz19_swSerial; #define BAUD_RATE_MHZ19 9600 #include MHZ19 mhz19; bool mhz19_ready=false; int value_co2=-1; //[ppm] int mhz19_readValue_reimplemented(Stream *_streamRef, MHZ19 *_mhz19Ref); //declare function #endif #ifdef SENSOR_SDS018 struct sensordata dataSDS018_pm25; struct sensordata dataSDS018_pm10; //SDS18 dust sensor for 2.5µm and 10µm //Needs 5V bool sds018_dustok=false; float value_pm25=-1; float value_pm10=-1; #ifndef SOFTWARESERIAL_H #include #define SOFTWARESERIAL_H #endif SoftwareSerial sds018_swSerial; #define BAUD_RATE_SDS018 9600 unsigned long lastread_sds018=0; //to save last read time for both readings void readSDS018(); #endif #ifdef SENSOR_TCS34725 #include "Adafruit_TCS34725.h" //Connect SCL to D1, SDA to D2, GND and 3v3 Adafruit_TCS34725 tcs = Adafruit_TCS34725(TCS34725_INTEGRATIONTIME_700MS, TCS34725_GAIN_1X); bool tcs34725init_ok=false; struct sensordata dataTCS34725_lux; struct sensordata dataTCS34725_colortemp; uint16_t value_colortemp, value_tcs_lux, value_tcs_r,value_tcs_g,value_tcs_b,value_tcs_c; unsigned long lastread_tcs34725=0; #endif #ifdef SENSOR_ANEMOMETER // ## ANEMOMETER ## sensordata dataAnemometer; //unsigned long anemometer_timeLastReset=0; unsigned long anemometer_lasttimereset=0; uint16_t anemometer_pulsecounter=0; //counted pulses since last reset //boolean anemometer_update_flag=false; //unsigned long anemometer_lastPulse=0; //time for max calculation //uint16_t anemometer_mintime=65535; //minimum time for this minute //#define ANEMOMETER_MINTIMES_SIZE 4 //uint8_t anemometer_mintimepos=0; //uint16_t anemometer_mintimes[ANEMOMETER_MINTIMES_SIZE]; #define ANEMOMETER_PPMtoMPS 0.0208640462; float value_anemometer=0; // [m/s] void ICACHE_RAM_ATTR interrupt_anemometer(); void updateAnemometer(); #endif // data/homie/config.json hochladen mit platformio run --target uploadfs // config contains homie device name, mqtt ip and wifi credentials HomieNode sensorNode("sensors", "Sensors","sensors"); //id, name, type char tempstring[16]; //for dtostrf void loopHandler(); void checkESPStatus(); void setup() { Serial.begin(115200); Serial.println(); Serial.println("Booting"); delay(1000); //wait for sensors to get powered #ifdef SENSOR_DHT22 Serial.println("initializing dht"); dht.begin(); #ifdef dataDHT22_temperature_minchange dataDHT22_temperature.minchange=dataDHT22_temperature_minchange; #endif #ifdef dataDHT22_humidity_minchange dataDHT22_humidity.minchange=dataDHT22_humidity_minchange; #endif #endif #ifdef SENSOR_BMP180 Serial.println("initializing bmp180"); if (!bmp180.begin()){ Serial.println("#ERROR: BMP180 init fail\n\n"); }else{ bmp180init_ok=true; //stays false if init failed, sensor will not be read in loop } #ifdef dataBMP180_temperature_minchange dataBMP180_temperature.minchange=dataBMP180_temperature_minchange; #endif #ifdef dataBMP180_pressure_minchange dataBMP180_pressure.minchange=dataBMP180_pressure_minchange; #endif #endif #ifdef SENSOR_HS1101 Serial.println("initializing hs1101"); #ifdef dataHS1101_minchange dataHS1101.minchange=dataHS1101_minchange; #endif #endif #ifdef SENSOR_BH1750 Serial.println("initializing bh1750"); Wire.begin(); if (lightMeter.begin(BH1750::CONTINUOUS_HIGH_RES_MODE)) { Serial.println(F("BH1750 Advanced begin")); bh1750init_ok=true; } else { Serial.println(F("Error initialising BH1750")); } #ifdef dataBH1750_minchange dataBH1750.minchange=dataBH1750_minchange; #endif #ifdef dataBH1750_senddelaymax dataBH1750.senddelaymax=dataBH1750_senddelaymax; #endif #endif #ifdef SENSOR_ML8511 Serial.println("initializing ml8511"); pinMode(ML8511PIN, INPUT); #ifdef dataML8511_minchange dataML8511.minchange=dataML8511_minchange; #endif #endif #ifdef SENSOR_PIR Serial.println("initializing pir"); pinMode(PIRPIN, INPUT_PULLUP); #ifdef dataPIR_readdelay dataPIR.readdelay=dataPIR_readdelay; #endif #ifdef dataPIR_senddelaymax dataPIR.senddelaymax=dataPIR_senddelaymax; #endif #endif #ifdef SENSOR_LDR Serial.println("initializing ldr"); pinMode(LDR_PIN, INPUT); //ldr #ifdef dataLDR_readdelay dataLDR.readdelay=dataLDR_readdelay; #endif #ifdef dataLDR_senddelaymax dataLDR.senddelaymax=dataLDR_senddelaymax; #endif #ifdef dataLDR_minchange dataLDR.minchange=dataLDR_minchange; #endif #endif #ifdef SENSOR_MHZ19 Serial.println("initializing mhz19"); #ifdef dataMHZ19_minchange dataMHZ19.minchange=dataMHZ19_minchange; #endif #ifdef dataMHZ19_readdelay dataMHZ19.readdelay=dataMHZ19_readdelay; #endif mhz19_swSerial.begin(BAUD_RATE_MHZ19, SWSERIAL_8N1, MHZ19_SERIAL_RX, MHZ19_SERIAL_TX, false, 256); mhz19.setSerial(&mhz19_swSerial); uint8_t mhz19abctries=10; while(!mhz19.disableABC() && mhz19abctries>0) { //disable automatic baseline correction (abc does calibration every 24h -> needs to have 400ppm co2 level sometime during that time) delay(500); //wait some time for mhz to be initialized Serial.print("disableABC Failed! try="); Serial.println(mhz19abctries); mhz19abctries--; } if (mhz19abctries>0) { Serial.println("mhz19 abc disabled successfully"); } #endif #ifdef SENSOR_SDS018 Serial.println("initializing sds018"); sds018_swSerial.begin(BAUD_RATE_SDS018, SWSERIAL_8N1, SDS018_SERIAL_RX, SDS018_SERIAL_TX, false, 256); #ifdef dataSDS018_pm25_minchange dataSDS018_pm25.minchange=dataSDS018_pm25_minchange; #endif #ifdef dataSDS018_pm10_minchange dataSDS018_pm10.minchange=dataSDS018_pm10_minchange; #endif #endif #ifdef SENSOR_TCS34725 Serial.println("initializing tcs34725"); if (!tcs.begin()) { Serial.println("No TCS34725 found!"); }else{ tcs34725init_ok=true; } #ifdef dataTCS34725_lux_minchange dataTCS34725_lux.minchange=dataTCS34725_lux_minchange; #endif #ifdef dataTCS34725_colortemp_minchange dataTCS34725_colortemp.minchange=dataTCS34725_colortemp_minchange; #endif #endif #ifdef SENSOR_ANEMOMETER pinMode(ANEMOMETERPIN,INPUT_PULLUP); attachInterrupt(digitalPinToInterrupt(ANEMOMETERPIN),interrupt_anemometer,CHANGE); //anemometer interrupt #ifdef dataAnemometer_minchange dataAnemometer.minchange=dataAnemometer_minchange; #endif #ifdef dataAnemometer_readdelay dataAnemometer.readdelay=dataAnemometer_readdelay; #endif #ifdef dataAnemometer_senddelaymax dataAnemometer.senddelaymax=dataAnemometer_senddelaymax; #endif #endif //Homie_setFirmware(FW_NAME, FW_VERSION); //Homie_setBrand(FW_NAME); Homie_setFirmware(FW_NAME, FW_VERSION); Homie.setLoopFunction(loopHandler); #ifdef SENSOR_DHT22 #ifndef SENSOR_BMP180 sensorNode.advertise("temperature"); #else sensorNode.advertise("temperature_dht"); #endif sensorNode.advertise("humidity"); #endif #ifdef SENSOR_HS1101 #if defined(SENSOR_DHT22) sensorNode.advertise("humidity_hs1101"); #else sensorNode.advertise("humidity"); #endif #endif #ifdef SENSOR_BH1750 sensorNode.advertise("light"); lightMeter.readLightLevel(); //make first reading, could be 0 #endif #ifdef SENSOR_ML8511 sensorNode.advertise("uv"); analogRead(ML8511PIN); //first read adc. just to avoid problems #endif #ifdef SENSOR_LDR sensorNode.advertise("light"); analogRead(LDR_PIN); //first reading could be false #endif #ifdef SENSOR_PIR sensorNode.advertise("motion"); #endif #ifdef SENSOR_BMP180 sensorNode.advertise("temperature"); sensorNode.advertise("pressure"); #endif #ifdef SENSOR_MHZ19 sensorNode.advertise("co2"); #endif #ifdef SENSOR_SDS018 sensorNode.advertise("dust_pm25"); sensorNode.advertise("dust_pm10"); #endif #ifdef SENSOR_TCS34725 #if defined(SENSOR_LDR) || defined(SENSOR_BH1750) sensorNode.advertise("light_tcs"); #else sensorNode.advertise("light"); #endif sensorNode.advertise("colortemp"); #endif #ifdef SENSOR_ANEMOMETER sensorNode.advertise("windspeed"); #endif Serial.println("connecting.."); Homie.setup(); Serial.println(""); Serial.println("connected"); //wird nicht ausgegeben. keine ahnung warum. } void loop() { Homie.loop(); } #ifdef SENSOR_DHT22 void loop_DHT22_temperature() { sensordata &d=dataDHT22_temperature; bool _changed=false; if (millis() >= (d.lastreadtime+d.readdelay)) { value_temperatureDHT = dht.readTemperature(); if (fabs(d.lastsentvalue-value_temperatureDHT)>=d.minchange){ _changed=true; } d.lastreadtime=millis(); } if (_changed || millis() >= (d.lastsent+d.senddelaymax)) { Serial.print("Sending DHT22_temperature. reason="); if (_changed) Serial.println("change"); else Serial.println("time"); checkESPStatus(); if (!(isnan(value_temperatureDHT) == 1)){ //success #ifndef SENSOR_BMP180 sensorNode.setProperty("temperature").send(String(value_temperatureDHT)); Homie.getLogger() << "temperature " << ": " << value_temperatureDHT << endl; #else sensorNode.setProperty("temperature_dht").send(String(value_temperatureDHT)); Homie.getLogger() << "temperature_dht " << ": " << value_temperatureDHT << endl; #endif d.lastsentvalue=value_temperatureDHT; } d.lastsent=millis(); } } void loop_DHT22_humidity() { sensordata &d=dataDHT22_humidity; bool _changed=false; if (millis() >= (d.lastreadtime+d.readdelay)) { value_humidityDHT = dht.readHumidity(); if (fabs(d.lastsentvalue-value_humidityDHT)>=d.minchange){ _changed=true; } d.lastreadtime=millis(); } if (_changed || millis() >= (d.lastsent+d.senddelaymax)) { Serial.print("Sending DHT22_humidity. reason="); if (_changed) Serial.println("change"); else Serial.println("time"); checkESPStatus(); if (!(isnan(value_humidityDHT) == 1)){ //success Homie.getLogger() << "humidity " << ": " << value_humidityDHT << endl; sensorNode.setProperty("humidity").send(String(value_humidityDHT)); d.lastsentvalue=value_humidityDHT; } d.lastsent=millis(); } } #endif #ifdef SENSOR_BMP180 void loop_BMP180_temperature() { sensordata &d=dataBMP180_temperature; bool _changed=false; if (millis() >= (d.lastreadtime+d.readdelay)) { value_temperatureBMP = bmp180.readTemperature(); if (fabs(d.lastsentvalue-value_temperatureBMP)>=d.minchange){ _changed=true; } d.lastreadtime=millis(); } if (_changed || millis() >= (d.lastsent+d.senddelaymax)) { Serial.print("Sending BMP180_temperature. reason="); if (_changed) Serial.println("change"); else Serial.println("time"); checkESPStatus(); if (!(isnan(value_temperatureBMP) == 1)){ //success sensorNode.setProperty("temperature").send(String(value_temperatureBMP)); Homie.getLogger() << "temperature " << ": " << value_temperatureBMP << endl; d.lastsentvalue=value_temperatureBMP; } d.lastsent=millis(); } } void loop_BMP180_pressure() { sensordata &d=dataBMP180_pressure; bool _changed=false; if (millis() >= (d.lastreadtime+d.readdelay)) { value_pressureBMP = bmp180.readPressure()/100.0; if (fabs(d.lastsentvalue-value_pressureBMP)>=d.minchange){ _changed=true; } d.lastreadtime=millis(); } if (_changed || millis() >= (d.lastsent+d.senddelaymax)) { Serial.print("Sending BMP180_pressure. reason="); if (_changed) Serial.println("change"); else Serial.println("time"); checkESPStatus(); if (!(isnan(value_pressureBMP) == 1)){ //success Homie.getLogger() << "pressure " << ": " << value_pressureBMP << endl; sensorNode.setProperty("pressure").send(String(value_pressureBMP)); d.lastsentvalue=value_pressureBMP; } d.lastsent=millis(); } } #endif #ifdef SENSOR_HS1101 void loop_HS1101() { sensordata &d=dataHS1101; bool _changed=false; if (millis() >= (d.lastreadtime+d.readdelay)) { value_humidityHS1101 = getHumidity_HS1101(HS1101PIN); //hum % if (fabs(d.lastsentvalue-value_humidityHS1101)>=d.minchange){ _changed=true; } d.lastreadtime=millis(); } if (_changed || millis() >= (d.lastsent+d.senddelaymax)) { Serial.print("Sending HS1101. reason="); if (_changed) Serial.println("change"); else Serial.println("time"); checkESPStatus(); #if defined(SENSOR_DHT22) Homie.getLogger() << "humidity hs1101 " << ": " << value_humidityHS1101 << endl; sensorNode.setProperty("humidity_hs1101").send(String(value_humidityHS1101)); #else Homie.getLogger() << "humidity " << ": " << value_humidityHS1101 << endl; sensorNode.setProperty("humidity").send(String(value_humidityHS1101)); #endif d.lastsentvalue=value_humidityHS1101; d.lastsent=millis(); } } #endif #ifdef SENSOR_BH1750 void loop_BH1750() { sensordata &d=dataBH1750; bool _changed=false; if (millis() >= (d.lastreadtime+d.readdelay)) { value_lightBH1750 = lightMeter.readLightLevel(); // [lux] if (fabs(d.lastsentvalue-value_lightBH1750)>=d.minchange){ _changed=true; } d.lastreadtime=millis(); } if (_changed || millis() >= (d.lastsent+d.senddelaymax)) { Serial.print("Sending BH1750. reason="); if (_changed) Serial.println("change"); else Serial.println("time"); checkESPStatus(); Homie.getLogger() << "light " << ": " << value_lightBH1750 << endl; sensorNode.setProperty("light").send(String(value_lightBH1750)); d.lastsentvalue=value_lightBH1750; d.lastsent=millis(); } } #endif #ifdef SENSOR_ML8511 void loop_ML8511() { sensordata &d=dataML8511; bool _changed=false; if (millis() >= (d.lastreadtime+d.readdelay)) { Serial.print("analogRead="); Serial.println(analogRead(ML8511PIN)); value_uvML8511 = getUV_ML8511(ML8511PIN); //uvIntensity (mW/cm^2) if (fabs(d.lastsentvalue-value_uvML8511)>=d.minchange){ _changed=true; } d.lastreadtime=millis(); } if (_changed || millis() >= (d.lastsent+d.senddelaymax)) { Serial.print("Sending uv ML8511. reason="); if (_changed) Serial.println("change"); else Serial.println("time"); checkESPStatus(); Homie.getLogger() << "uv " << ": " << value_uvML8511 << endl; sensorNode.setProperty("uv").send(String(value_uvML8511)); d.lastsentvalue=value_uvML8511; d.lastsent=millis(); } } #endif #ifdef SENSOR_LDR void loop_LDR() { sensordata &d=dataLDR; bool _changed=false; if (millis() >= (d.lastreadtime+d.readdelay)) { value_ldr = get_lux(in_ldr, out_ldr, LDRARRAYSIZE)/10.0; //read light level in lux if (fabs(d.lastsentvalue-value_ldr)>=d.minchange){ _changed=true; } d.lastreadtime=millis(); } if (_changed || millis() >= (d.lastsent+d.senddelaymax)) { Serial.print("Sending LDR. reason="); if (_changed) Serial.println("change"); else Serial.println("time"); checkESPStatus(); Homie.getLogger() << "light " << ": " << value_ldr << endl; sensorNode.setProperty("light").send(String(value_ldr)); d.lastsentvalue=value_ldr; d.lastsent=millis(); } } #endif #ifdef SENSOR_PIR void loop_PIR() { sensordata &d=dataPIR; bool _changed=false; if (millis() >= (d.lastreadtime+d.readdelay)) { if (digitalRead(PIRPIN) != value_PIR){ _changed=true; } d.lastreadtime=millis(); } if (_changed || millis() >= (d.lastsent+d.senddelaymax)) { //send current value after some long time Serial.print("Sending motion. reason="); if (_changed) Serial.println("change"); else Serial.println("time"); if (digitalRead(PIRPIN)){ Homie.getLogger() << "motion " << ": " << "true" << endl; sensorNode.setProperty("motion").send(String("true")); value_PIR=true; }else{ Homie.getLogger() << "motion " << ": " << "false" << endl; sensorNode.setProperty("motion").send(String("false")); value_PIR=false; } d.lastsent=millis(); } } #endif #ifdef SENSOR_MHZ19 void loop_MHZ19() { sensordata &d=dataMHZ19; bool _changed=false; if (millis() >= (d.lastreadtime+d.readdelay)) { mhz19_ready=mhz19.isReady(); //value_co2=mhz19.readValue(); //[ppm] value_co2=mhz19_readValue_reimplemented(&mhz19_swSerial, &mhz19); //[ppm] reimplemented function to fix no response issue Homie.getLogger() << "read co2 " << ": " << value_co2 << " status=" << mhz19_ready << endl; if (fabs(d.lastsentvalue-value_co2)>=d.minchange){ _changed=true; } d.lastreadtime=millis(); } if (_changed || millis() >= (d.lastsent+d.senddelaymax)) { Serial.print("Sending MHZ19. reason="); if (_changed) Serial.println("change"); else Serial.println("time"); checkESPStatus(); Homie.getLogger() << "co2 " << ": " << value_co2 << endl; if (mhz19_ready){ //send no co2 values if not warmed up. can take several miniutes sensorNode.setProperty("co2").send(String(value_co2)); }else{ Homie.getLogger() << "co2 not ready. didnt sent" << endl; } d.lastsentvalue=value_co2; d.lastsent=millis(); } } #endif #ifdef SENSOR_SDS018 void loop_SDS018_pm25() { sensordata &d=dataSDS018_pm25; bool _changed=false; if (millis() >= (d.lastreadtime+d.readdelay)) { if (millis() >= (lastread_sds018+d.readdelay)) { readSDS018(); //reads values into value_pm25 und value_pm10 } //Homie.getLogger() << "read pm25: " << value_pm25 << ".read pm10: " << value_pm10 << " status=" << dust_ok << endl; if (fabs(d.lastsentvalue-value_pm25)>=d.minchange){ _changed=true; } d.lastreadtime=millis(); } if (_changed || millis() >= (d.lastsent+d.senddelaymax)) { Serial.print("Sending SDS018_pm25. reason="); if (_changed) Serial.println("change"); else Serial.println("time"); checkESPStatus(); Homie.getLogger() << "read pm25: " << value_pm25 << " status=" << sds018_dustok << endl; if (sds018_dustok){ //send no dust values if sensor not ok sensorNode.setProperty("dust_pm25").send(String(value_pm25)); }else{ Homie.getLogger() << "sds018 dust not ok. didnt sent" << endl; } d.lastsentvalue=value_pm25; d.lastsent=millis(); } } void loop_SDS018_pm10() { sensordata &d=dataSDS018_pm10; bool _changed=false; if (millis() >= (d.lastreadtime+d.readdelay)) { if (millis() >= (lastread_sds018+d.readdelay)) { readSDS018(); //reads values into value_pm25 und value_pm10 } //Homie.getLogger() << "read pm25: " << value_pm25 << ".read pm10: " << value_pm10 << " status=" << dust_ok << endl; if (fabs(d.lastsentvalue-value_pm10)>=d.minchange){ _changed=true; } d.lastreadtime=millis(); } if (_changed || millis() >= (d.lastsent+d.senddelaymax)) { Serial.print("Sending SDS018_pm10. reason="); if (_changed) Serial.println("change"); else Serial.println("time"); checkESPStatus(); Homie.getLogger() << "read pm10: " << value_pm10 << " status=" << sds018_dustok << endl; if (sds018_dustok){ //send no dust values if sensor not ok sensorNode.setProperty("dust_pm10").send(String(value_pm10)); }else{ Homie.getLogger() << "sds018 dust not ok. didnt sent" << endl; } d.lastsentvalue=value_pm10; d.lastsent=millis(); } } #endif #ifdef SENSOR_TCS34725 void loop_TCS34725_lux() { sensordata &d=dataTCS34725_lux; bool _changed=false; if (millis() >= (d.lastreadtime+d.readdelay)) { if (millis() >= (lastread_tcs34725+d.readdelay)) { tcs.getRawData(&value_tcs_r, &value_tcs_g, &value_tcs_b, &value_tcs_c); } value_tcs_lux = tcs.calculateLux(value_tcs_r, value_tcs_g, value_tcs_b); if (abs((int)d.lastsentvalue-value_tcs_lux)>=d.minchange){ //int abs _changed=true; } d.lastreadtime=millis(); } if (_changed || millis() >= (d.lastsent+d.senddelaymax)) { Serial.print("Sending TCS Lux. reason="); if (_changed) Serial.println("change"); else Serial.println("time"); checkESPStatus(); Homie.getLogger() << "light tcs " << ": " << value_tcs_lux << endl; #if defined(SENSOR_LDR) || defined(SENSOR_BH1750) sensorNode.setProperty("light_tcs").send(String(value_tcs_lux)); #else sensorNode.setProperty("light").send(String(value_tcs_lux)); #endif d.lastsentvalue=value_tcs_lux; d.lastsent=millis(); } } void loop_TCS34725_colortemp() { sensordata &d=dataTCS34725_colortemp; bool _changed=false; if (millis() >= (d.lastreadtime+d.readdelay)) { if (millis() >= (lastread_tcs34725+d.readdelay)) { tcs.getRawData(&value_tcs_r, &value_tcs_g, &value_tcs_b, &value_tcs_c); } // colorTemp = tcs.calculateColorTemperature(r, g, b); value_colortemp = tcs.calculateColorTemperature_dn40(value_tcs_r, value_tcs_g, value_tcs_b, value_tcs_c); if (abs((int)d.lastsentvalue-value_colortemp)>=d.minchange){ //int abs _changed=true; } d.lastreadtime=millis(); } if (_changed || millis() >= (d.lastsent+d.senddelaymax)) { Serial.print("Sending TCS colortemp. reason="); if (_changed) Serial.println("change"); else Serial.println("time"); checkESPStatus(); Homie.getLogger() << "colortemp tcs " << ": " << value_colortemp << endl; sensorNode.setProperty("colortemp").send(String(value_colortemp)); d.lastsentvalue=value_colortemp; d.lastsent=millis(); } } #endif #ifdef SENSOR_ANEMOMETER void loop_anemometer() { /* if (anemometer_update_flag) { anemometer_update_flag=false; //anemometer_mintime=0; for (int i=0;i initial value, ignore (not enough roations counted) anemometer_mintime=anemometer_mintimes[i]; } } }*/ sensordata &d=dataAnemometer; bool _changed=false; if (millis() >= (d.lastreadtime+d.readdelay)) { uint16_t _anepulsesPerMinute=anemometer_pulsecounter/((millis()-anemometer_lasttimereset)/60000.0); value_anemometer = _anepulsesPerMinute*ANEMOMETER_PPMtoMPS; if (abs((int)d.lastsentvalue-value_anemometer)>=d.minchange){ //int abs _changed=true; } d.lastreadtime=millis(); } if (_changed || millis() >= (d.lastsent+d.senddelaymax)) { Serial.print("Sending windspeed. reason="); if (_changed) Serial.println("change"); else Serial.println("time"); checkESPStatus(); Homie.getLogger() << "windspeed tcs " << ": " << value_anemometer << endl; sensorNode.setProperty("windspeed").send(String(value_anemometer)); //reset when sent. makes it more accurate but keeps fast response anemometer_pulsecounter=0; //reset counter anemometer_lasttimereset=millis(); d.lastreadtime=millis(); //also set lastread time to avoid having 1 count with a low time = high windspeed d.lastsentvalue=value_anemometer; d.lastsent=millis(); } } #endif void loopHandler() { #ifdef SENSOR_DHT22 loop_DHT22_temperature(); loop_DHT22_humidity(); #endif #ifdef SENSOR_BMP180 if (bmp180init_ok) { loop_BMP180_temperature(); loop_BMP180_pressure(); } #endif #ifdef SENSOR_HS1101 loop_HS1101(); #endif #ifdef SENSOR_BH1750 if (bh1750init_ok) { loop_BH1750(); } #endif #ifdef SENSOR_ML8511 loop_ML8511(); #endif #ifdef SENSOR_LDR loop_LDR(); #endif #ifdef SENSOR_PIR loop_PIR(); #endif #ifdef SENSOR_MHZ19 loop_MHZ19(); #endif #ifdef SENSOR_SDS018 loop_SDS018_pm25(); loop_SDS018_pm10(); #endif #ifdef SENSOR_TCS34725 if (tcs34725init_ok) { loop_TCS34725_lux(); loop_TCS34725_colortemp(); } #endif #ifdef SENSOR_ANEMOMETER loop_anemometer(); #endif } void checkESPStatus() { if (WiFi.status() != WL_CONNECTED) //restart if wifi signal loss { ESP.reset(); } } ////////////////////////////////////////////////////////////////////////////// // Calculate lux based on rawADC reading from LDR returns value in lux/10 ////////////////////////////////////////////////////////////////////////////// //quelle: https://groups.google.com/forum/#!topic/souliss/1kMAltPB2ME[1-25] #ifdef SENSOR_LDR int get_lux(const unsigned int* _in, const unsigned int* _out, byte size) { // take care the value is within range // val = constrain(val, _in[0], _in[size-1]); unsigned int val = analogRead(LDR_PIN); #ifdef DEBUG //DEBUG++++++++++++++++ Serial.print("LDR RAW=: "); Serial.println(val); #endif if (val <= _in[0]) return _out[0]; if (val >= _in[size-1]) return _out[size-1]; // search right interval byte pos = 1; // _in[0] allready tested while(val > _in[pos]) pos++; // this will handle all exact "points" in the _in array if (val == _in[pos]) return _out[pos]; // interpolate in the right segment for the rest return map(val, _in[pos-1], _in[pos], _out[pos-1], _out[pos]); } #endif #ifdef SENSOR_MHZ19 byte mhz19_getCheckSum(byte* packet) { byte checksum = 0; for(uint8_t i = 1; i < 8; i++) { checksum += packet[i]; } checksum = 0xff - checksum; checksum += 1; return checksum; } int mhz19_readValue_reimplemented(Stream *_streamRef, MHZ19 *_mhz19Ref) { //same function as in mhz19 library from klevytskyi, but with delay between cmd send and response check byte CMD_READ[9] = {0xFF, 0x01, 0x86, 0x00, 0x00, 0x00, 0x00, 0x00, 0x79}; // Read command unsigned int co2 = -1; unsigned char response[9]; _streamRef->write(CMD_READ, 9); unsigned long _startwait=millis(); while (millis()-_startwait<100) { //wait for mhz19 to send response //wait } if (_streamRef->available()) { _streamRef->readBytes(response, 9); byte crc = mhz19_getCheckSum(response); if (response[0] == 0xFF && response[1] == CMD_READ[2] && response[8] == crc) { unsigned int responseHigh = (unsigned int) response[2]; unsigned int responseLow = (unsigned int) response[3]; unsigned int ppm = (256*responseHigh) + responseLow; co2 = ppm; } } return co2; } #endif #ifdef SENSOR_SDS018 void readSDS018() { lastread_sds018=millis(); // https://github.com/crystaldust/sds018/blob/master/sds018.ino uint8_t mData = 0; uint8_t mPkt[10] = {0}; uint8_t mCheck = 0; while( sds018_swSerial.available() > 0 ) { //Serial.println("serial available"); for( int i=0; i<10; ++i ) { mPkt[i] = sds018_swSerial.read(); //Serial.println( mPkt[i], HEX ); } if( 0xC0 == mPkt[1] ) { Serial.println("read density"); // Read dust density. // Check uint8_t sum = 0; for( int i=2; i<=7; ++i ) { sum += mPkt[i]; } if( sum == mPkt[8] ) { uint8_t pm25Low = mPkt[2]; uint8_t pm25High = mPkt[3]; uint8_t pm10Low = mPkt[4]; uint8_t pm10High = mPkt[5]; value_pm25 = ( ( pm25High * 256.0 ) + pm25Low ) / 10.0; value_pm10 = ( ( pm10High * 256.0 ) + pm10Low ) / 10.0; sds018_dustok=true; /*Serial.print( "PM2.5: " ); Serial.print( pm25 ); Serial.print( "\nPM10 :" ); Serial.print( pm10 ); Serial.println();*/ } } sds018_swSerial.flush(); } } #endif #ifdef SENSOR_HS1101 float getHumidity_HS1101(int pin) { #define HS1101_SAMPLES 512 double freq = 0; //for(unsigned int j=0; j2000 && freq<10000){ //in roughly valid range return get_mapped(in_hs1101frequency,out_humidity,HUMARRAYSIZE, freq )/10.0; }else{ //error return -1; } } #endif #ifdef SENSOR_ML8511 float getUV_ML8511(int pin) { float uvadc = 3.06 / 1023 * analogRead(pin) ; //assumes 1023 = 3.069V (10-bit adc on esp8266) return max(mapfloat(uvadc, 0.99, 2.8, 0.0, 15.0), 0.0F); //uvIntensity (mW/cm^2) } #endif #ifdef SENSOR_ANEMOMETER void ICACHE_RAM_ATTR interrupt_anemometer() { anemometer_pulsecounter++; } #endif /*################################## * ######## HELPER FUNCTIONS ######## */ //quelle: https://groups.google.com/forum/#!topic/souliss/1kMAltPB2ME[1-25] int get_mapped(const unsigned int* _in, const unsigned int* _out, byte size,int val) //map with constrain { // take care the value is within range // val = constrain(val, _in[0], _in[size-1]); if (val <= _in[0]) return _out[0]; if (val >= _in[size-1]) return _out[size-1]; // search right interval byte pos = 1; // _in[0] allready tested while(val > _in[pos]) pos++; // this will handle all exact "points" in the _in array if (val == _in[pos]) return _out[pos]; // interpolate in the right segment for the rest return map(val, _in[pos-1], _in[pos], _out[pos-1], _out[pos]); } //The Arduino Map function but for floats //From: http://forum.arduino.cc/index.php?topic=3922.0 float mapfloat(float x, float in_min, float in_max, float out_min, float out_max) { return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min; }