implement anemometer
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@ -34,7 +34,7 @@ build_flags =
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-D dataBMP180_pressure_minchange=0.5
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-D SENSOR_TCS34725
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-D dataTCS34725_lux_minchange=20
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-D dataTCS34725_lux_minchange=10
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-D dataTCS34725_colortemp_minchange=100
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-D SENSOR_HS1101
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@ -45,6 +45,13 @@ build_flags =
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-D ML8511PIN=A0
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-D dataML8511_minchange=0.05
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-D SENSOR_ANEMOMETER
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-D ANEMOMETERPIN=D6 #Light Blue thicker cable (in distribution box)
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-D dataAnemometer_minchange=0.5
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-D dataAnemometer_readdelay=1000*10
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-D dataAnemometer_senddelaymax=1000*60*2
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# Cable from Anemometer: Black=GND, Blue=3v3, Brown=Signal (needs pullup (internal))
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lib_deps =
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Adafruit BMP085 Library@1.1.0
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https://github.com/adafruit/Adafruit_TCS34725
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107
src/main.cpp
107
src/main.cpp
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@ -77,7 +77,7 @@ struct sensordata
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sensordata dataML8511;
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float getUV_ML8511(int pin);
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float mapfloat(float x, float in_min, float in_max, float out_min, float out_max);
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float value_uvML8511=0;
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float value_uvML8511=0; //uvIntensity (mW/cm^2)
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#endif
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@ -179,17 +179,35 @@ struct sensordata
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struct sensordata dataTCS34725_lux;
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struct sensordata dataTCS34725_colortemp;
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uint16_t value_colortemp, value_tcs_lux, value_tcs_r,value_tcs_g,value_tcs_b,value_tcs_c;
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unsigned long lastread_tcs34725=0;
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#endif
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#ifdef SENSOR_ANEMOMETER
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// ## ANEMOMETER ##
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sensordata dataAnemometer;
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//unsigned long anemometer_timeLastReset=0;
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unsigned long anemometer_lasttimereset=0;
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uint16_t anemometer_pulsecounter=0; //counted pulses since last reset
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//boolean anemometer_update_flag=false;
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//unsigned long anemometer_lastPulse=0; //time for max calculation
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//uint16_t anemometer_mintime=65535; //minimum time for this minute
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//#define ANEMOMETER_MINTIMES_SIZE 4
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//uint8_t anemometer_mintimepos=0;
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//uint16_t anemometer_mintimes[ANEMOMETER_MINTIMES_SIZE];
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#define ANEMOMETER_PPMtoMPS 0.0208640462;
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float value_anemometer=0; // [m/s]
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void ICACHE_RAM_ATTR interrupt_anemometer();
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void updateAnemometer();
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#endif
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// data/homie/config.json hochladen mit platformio run --target uploadfs
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// config contains homie device name, mqtt ip and wifi credentials
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HomieNode sensorNode("sensors", "Sensors","sensors"); //id, name, type
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char tempstring[16]; //for dtostrf
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@ -339,6 +357,22 @@ void setup() {
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#endif
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#endif
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#ifdef SENSOR_ANEMOMETER
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pinMode(ANEMOMETERPIN,INPUT_PULLUP);
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attachInterrupt(digitalPinToInterrupt(ANEMOMETERPIN),interrupt_anemometer,CHANGE); //anemometer interrupt
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#ifdef dataAnemometer_minchange
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dataAnemometer.minchange=dataAnemometer_minchange;
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#endif
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#ifdef dataAnemometer_readdelay
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dataAnemometer.readdelay=dataAnemometer_readdelay;
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#endif
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#ifdef dataAnemometer_senddelaymax
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dataAnemometer.senddelaymax=dataAnemometer_senddelaymax;
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#endif
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#endif
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//Homie_setFirmware(FW_NAME, FW_VERSION);
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//Homie_setBrand(FW_NAME);
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@ -406,6 +440,10 @@ void setup() {
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#endif
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sensorNode.advertise("colortemp");
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#endif
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#ifdef SENSOR_ANEMOMETER
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sensorNode.advertise("windspeed");
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#endif
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Serial.println("connecting..");
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@ -866,6 +904,54 @@ void loop_TCS34725_colortemp()
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}
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#endif
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#ifdef SENSOR_ANEMOMETER
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void loop_anemometer()
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{
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/*
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if (anemometer_update_flag) {
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anemometer_update_flag=false;
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//anemometer_mintime=0;
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for (int i=0;i<ANEMOMETER_MINTIMES_SIZE;i++){
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if (anemometer_mintime<anemometer_mintimes[i] && anemometer_mintimes[i]!=0){ //use longest time (=slowest speed) in array as max speed, reduces false readings. =0 -> initial value, ignore (not enough roations counted)
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anemometer_mintime=anemometer_mintimes[i];
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}
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}
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}*/
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sensordata &d=dataAnemometer;
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bool _changed=false;
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if (millis() >= (d.lastreadtime+d.readdelay)) {
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uint16_t _anepulsesPerMinute=anemometer_pulsecounter/((millis()-anemometer_lasttimereset)/60000.0);
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value_anemometer = _anepulsesPerMinute*ANEMOMETER_PPMtoMPS;
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if (abs((int)d.lastsentvalue-value_anemometer)>=d.minchange){ //int abs
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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 windspeed. reason=");
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if (_changed) Serial.println("change"); else Serial.println("time");
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checkESPStatus();
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Homie.getLogger() << "windspeed tcs " << ": " << value_anemometer << endl;
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sensorNode.setProperty("windspeed").send(String(value_anemometer));
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//reset when sent. makes it more accurate but keeps fast response
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anemometer_pulsecounter=0; //reset counter
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anemometer_lasttimereset=millis();
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d.lastreadtime=millis(); //also set lastread time to avoid having 1 count with a low time = high windspeed
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d.lastsentvalue=value_anemometer;
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d.lastsent=millis();
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}
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}
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#endif
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void loopHandler() {
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@ -919,7 +1005,9 @@ void loopHandler() {
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}
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#endif
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#ifdef SENSOR_ANEMOMETER
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loop_anemometer();
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#endif
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}
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@ -1080,6 +1168,15 @@ float getUV_ML8511(int pin) {
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#endif
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#ifdef SENSOR_ANEMOMETER
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void ICACHE_RAM_ATTR interrupt_anemometer()
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{
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anemometer_pulsecounter++;
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}
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#endif
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/*##################################
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* ######## HELPER FUNCTIONS ########
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*/
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