add espsensor4 with mhz19
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2 changed files with 138 additions and 17 deletions
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@ -12,9 +12,10 @@
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[platformio]
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#For Config upload comment in data_dir line and flash with platformio run -t uploadfs --environment sensorespx
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data_dir=data_sensoresp1
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#data_dir=data_sensoresp3
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#data_dir=data_sensoresp1
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#data_dir=data_sensoresp3
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data_dir=data_sensoresp4
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#Arbeitszimmer
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[env:sensoresp1]
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@ -82,3 +83,41 @@ lib_deps =
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adafruit/DHT sensor library@1.3.10
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BH1750@1.1.4
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Homie@3.0.0
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#Schlafzimmer
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[env:sensoresp4]
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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_DHT22
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-D DHTPIN=D7
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-D dataDHT22_temperature_minchange=0.1
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-D dataDHT22_humidity_minchange=1.0
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-D SENSOR_PIR
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-D PIRPIN=D0
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-D dataPIR_readdelay=100
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-D dataPIR_senddelaymax=1000*60*10
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-D SENSOR_BH1750
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-D dataBH1750_minchange=10.0
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-D dataBH1750_senddelaymax=1000*60*2
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-D SENSOR_MHZ19
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-D MHZ19_SERIAL_RX=D5
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-D MHZ19_SERIAL_TX=D6
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-D dataMHZ19_minchange=10
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-D dataMHZ19_readdelay=10*1000
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lib_deps =
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adafruit/DHT sensor library@1.3.10
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BH1750@1.1.4
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MHZ19@0.0.1
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EspSoftwareSerial@6.8.1
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Homie@3.0.0
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112
src/main.cpp
112
src/main.cpp
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@ -1,7 +1,8 @@
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//#define DEBUG
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//Compile with platformio run --environment sensorespx
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//Spiffs data upload with: platformio run -t uploadfs --environment sensorespx
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//Compile and upload: platformio run --environment sensorespx -t upload
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//Spiffs data upload with (comment in data_dir line unter platformio section): platformio run --environment sensorespx -t uploadfs
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/* DELETE BELOW
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// DHT22
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@ -26,7 +27,9 @@
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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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#ifdef SENSOR_LDR
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int get_lux(const unsigned int* _in, const unsigned int* _out, byte size); //for analog ldr light calculation
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#endif
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struct sensordata
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{
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@ -73,8 +76,8 @@ struct sensordata
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#ifdef SENSOR_PIR
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// PIR Sensors HC-SR501 (modified to put out shortest pulse time)
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//pir sensor needs 5v. output level is 3.3v
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// PIR Sensors HC-SR501 (modified to put out shortest pulse time short pins 5 and 6 of ic)
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//pir sensor needs 5v through an inductor for filtering. output level is 3.3v
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sensordata dataPIR;
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bool value_PIR=false;
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#endif
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@ -91,7 +94,28 @@ struct sensordata
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#endif
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#endif
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#ifdef SENSOR_MHZ19
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struct sensordata dataMHZ19;
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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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//SW Serial TX: to mhz19 rx (blue cable)
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//co2 sensor needs 5v
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#include <SoftwareSerial.h>
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SoftwareSerial mhz19_swSerial;
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#define BAUD_RATE_MHZ19 9600
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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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#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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@ -132,7 +156,7 @@ void setup() {
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#ifdef SENSOR_BMP180
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Serial.println("initializing bmp180");
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Serial.println("initializing bmp180");
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if (!bmp180.begin()){
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Serial.println("#ERROR: BMP180 init fail\n\n");
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}
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@ -174,16 +198,29 @@ void setup() {
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#ifdef SENSOR_LDR
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Serial.println("initializing ldr");
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pinMode(LDR_PIN, INPUT); //ldr
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#ifdef dataLDR_readdelay
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dataLDR.readdelay=dataLDR_readdelay;
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#endif
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#ifdef dataLDR_senddelaymax
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dataLDR.senddelaymax=dataLDR_senddelaymax;
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#endif
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#ifdef dataLDR_minchange
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dataLDR.minchange=dataLDR_minchange;
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#endif
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pinMode(LDR_PIN, INPUT); //ldr
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#ifdef dataLDR_readdelay
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dataLDR.readdelay=dataLDR_readdelay;
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#endif
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#ifdef dataLDR_senddelaymax
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dataLDR.senddelaymax=dataLDR_senddelaymax;
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#endif
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#ifdef dataLDR_minchange
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dataLDR.minchange=dataLDR_minchange;
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#endif
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#endif
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#ifdef SENSOR_MHZ19
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Serial.println("initializing mhz19");
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#ifdef dataMHZ19_minchange
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dataMHZ19.minchange=dataMHZ19_minchange;
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#endif
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#ifdef dataMHZ19_readdelay
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dataMHZ19.readdelay=dataMHZ19_readdelay;
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#endif
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mhz19_swSerial.begin(BAUD_RATE_MHZ19, SWSERIAL_8N1, MHZ19_SERIAL_RX, MHZ19_SERIAL_TX, false, 256);
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mhz19.setSerial(&mhz19_swSerial);
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#endif
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@ -221,6 +258,10 @@ void setup() {
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sensorNode.advertise("temperature");
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sensorNode.advertise("pressure");
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#endif
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#ifdef SENSOR_MHZ19
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sensorNode.advertise("co2");
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#endif
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Serial.println("connecting..");
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@ -442,6 +483,41 @@ void loop_PIR()
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}
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#endif
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#ifdef SENSOR_MHZ19
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void loop_MHZ19()
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{
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sensordata &d=dataMHZ19;
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bool _changed=false;
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if (millis() >= (d.lastreadtime+d.readdelay)) {
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mhz19_ready=mhz19.isReady();
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value_co2=mhz19.readValue(); //[ppm]
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//Homie.getLogger() << "co2 " << ": " << value_co2 << " status=" << mhz19_ready << endl;
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if (fabs(d.lastsentvalue-value_co2)>=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 MHZ19. 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() << "co2 " << ": " << value_co2 << endl;
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if (mhz19_ready){ //send no co2 values if not warmed up. can take several miniutes
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sensorNode.setProperty("co2").send(String(value_co2));
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}else{
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Homie.getLogger() << "co2 not ready. didnt sent" << endl;
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}
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d.lastsentvalue=value_co2;
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d.lastsent=millis();
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}
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}
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#endif
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@ -470,6 +546,10 @@ void loopHandler() {
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loop_PIR();
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#endif
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#ifdef SENSOR_MHZ19
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loop_MHZ19();
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#endif
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@ -491,6 +571,7 @@ void checkESPStatus()
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// Calculate lux based on rawADC reading from LDR returns value in lux/10
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//////////////////////////////////////////////////////////////////////////////
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//quelle: https://groups.google.com/forum/#!topic/souliss/1kMAltPB2ME[1-25]
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#ifdef SENSOR_LDR
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int get_lux(const unsigned int* _in, const unsigned int* _out, byte size)
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{
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@ -520,4 +601,5 @@ int get_lux(const unsigned int* _in, const unsigned int* _out, byte size)
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// interpolate in the right segment for the rest
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return map(val, _in[pos-1], _in[pos], _out[pos-1], _out[pos]);
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}
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}
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#endif
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