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87edd3dfe0
Save-/restore callbacks need to be defined before knx.readMemory() to ensure the restore callback is called.
287 lines
11 KiB
C++
287 lines
11 KiB
C++
// used version: BSEC_1.4.7.3_Generic_Release_20190410
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// 2 changes needed for version: BSEC_1.4.7.4_Generic_Release see below
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#include <bsec.h>
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#include <knx.h>
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#ifdef ARDUINO_ARCH_ESP8266
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#include <WiFiManager.h>
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#endif
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// create named references for easy access to group objects
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#define goRawTemperature knx.getGroupObject(1)
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#define goPressure knx.getGroupObject(2)
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#define goRawHumidity knx.getGroupObject(3)
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#define goGasResistance knx.getGroupObject(4)
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#define goIaqEstimate knx.getGroupObject(5)
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#define goIaqAccurace knx.getGroupObject(6)
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#define goTemperature knx.getGroupObject(7)
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#define goHumidity knx.getGroupObject(8)
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#define goTriggerSample knx.getGroupObject(9)
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#define goCo2Ppm knx.getGroupObject(10)
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#define STATE_SAVE_PERIOD UINT32_C(360 * 60 * 1000) // 360 minutes - 4 times a day
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// Helper functions declarations
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void checkIaqSensorStatus(void);
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void errLeds(void);
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uint8_t* saveBme680State(uint8_t* buffer);
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const uint8_t* loadBme680State(const uint8_t* buffer);
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void triggerCallback(GroupObject& go);
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void updateState();
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// from ulp plus example
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const uint8_t bsec_config_iaq[454] =
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{3, 7, 4, 1, 61, 0, 0, 0, 0, 0, 0, 0, 174, 1, 0, 0, 48, 0, 1, 0, 0, 168, 19, 73, 64, 49, 119, 76, 0, 0, 225, 68, 137, 65, 0, 63, 205, 204, 204, 62, 0, 0, 64, 63, 205, 204, 204, 62, 0, 0, 0, 0, 0, 80, 5, 95, 0, 0, 0, 0, 0, 0, 0, 0, 28, 0, 2, 0, 0, 244, 1, 225, 0, 25, 0, 0, 128, 64, 0, 0, 32, 65, 144, 1, 0, 0, 112, 65, 0, 0, 0, 63, 16, 0, 3, 0, 10, 215, 163, 60, 10, 215, 35, 59, 10, 215, 35, 59, 9, 0, 5, 0, 0, 0, 0, 0, 1, 88, 0, 9, 0, 229, 208, 34, 62, 0, 0, 0, 0, 0, 0, 0, 0, 218, 27, 156, 62, 225, 11, 67, 64, 0, 0, 160, 64, 0, 0, 0, 0, 0, 0, 0, 0, 94, 75, 72, 189, 93, 254, 159, 64, 66, 62, 160, 191, 0, 0, 0, 0, 0, 0, 0, 0, 33, 31, 180, 190, 138, 176, 97, 64, 65, 241, 99, 190, 0, 0, 0, 0, 0, 0, 0, 0, 167, 121, 71, 61, 165, 189, 41, 192, 184, 30, 189, 64, 12, 0, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 229, 0, 254, 0, 2, 1, 5, 48, 117, 100, 0, 44, 1, 112, 23, 151, 7, 132, 3, 197, 0, 92, 4, 144, 1, 64, 1, 64, 1, 144, 1, 48, 117, 48, 117, 48, 117, 48, 117, 100, 0, 100, 0, 100, 0, 48, 117, 48, 117, 48, 117, 100, 0, 100, 0, 48, 117, 48, 117, 100, 0, 100, 0, 100, 0, 100, 0, 48, 117, 48, 117, 48, 117, 100, 0, 100, 0, 100, 0, 48, 117, 48, 117, 100, 0, 100, 0, 44, 1, 44, 1, 44, 1, 44, 1, 44, 1, 44, 1, 44, 1, 44, 1, 44, 1, 44, 1, 44, 1, 44, 1, 44, 1, 44, 1, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 112, 23, 112, 23, 112, 23, 112, 23, 112, 23, 112, 23, 112, 23, 112, 23, 112, 23, 112, 23, 112, 23, 112, 23, 112, 23, 112, 23, 255, 255, 255, 255, 255, 255, 255, 255, 220, 5, 220, 5, 220, 5, 255, 255, 255, 255, 255, 255, 220, 5, 220, 5, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 44, 1, 0, 0, 0, 0, 222, 38, 0, 0};
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// Create an object of the class Bsec
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Bsec iaqSensor;
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uint16_t stateUpdateCounter = 0;
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uint8_t sendCounter = 0;
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uint32_t cyclSend = 0;
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bool trigger = false;
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// Entry point for the example
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void setup(void)
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{
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Serial.begin(115200);
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ArduinoPlatform::SerialDebug = &Serial;
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delay(5000);
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Serial.println("start");
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#ifdef ARDUINO_ARCH_ESP8266
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WiFiManager wifiManager;
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wifiManager.autoConnect("knx-bme680");
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#endif
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// set save and restore callbacks
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knx.setSaveCallback(saveBme680State);
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knx.setRestoreCallback(loadBme680State);
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// read adress table, association table, groupobject table and parameters from eeprom
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knx.readMemory();
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// register callback for reset GO
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if(knx.configured())
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goTriggerSample.callback(triggerCallback);
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// Configure Wire pins before this call if needed.
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Wire.begin();
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// depends on sensor board. Try BME680_I2C_ADDR_PRIMARY if it doen't work.
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iaqSensor.begin(BME680_I2C_ADDR_SECONDARY, Wire);
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checkIaqSensorStatus();
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//iaqSensor.setConfig(bsec_config_iaq);
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checkIaqSensorStatus();
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bsec_virtual_sensor_t sensorList[] = {
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BSEC_OUTPUT_IAQ,
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BSEC_OUTPUT_STATIC_IAQ,
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BSEC_OUTPUT_CO2_EQUIVALENT,
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BSEC_OUTPUT_BREATH_VOC_EQUIVALENT,
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BSEC_OUTPUT_RAW_TEMPERATURE,
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BSEC_OUTPUT_RAW_PRESSURE,
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BSEC_OUTPUT_RAW_HUMIDITY,
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BSEC_OUTPUT_RAW_GAS,
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BSEC_OUTPUT_STABILIZATION_STATUS,
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BSEC_OUTPUT_RUN_IN_STATUS,
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BSEC_OUTPUT_SENSOR_HEAT_COMPENSATED_TEMPERATURE,
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BSEC_OUTPUT_SENSOR_HEAT_COMPENSATED_HUMIDITY,
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BSEC_OUTPUT_COMPENSATED_GAS,
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BSEC_OUTPUT_GAS_PERCENTAGE
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};
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if (knx.configured())
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{
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cyclSend = knx.paramInt(0);
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Serial.print("Zykl. send:");
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Serial.println(cyclSend);
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goRawTemperature.dataPointType(Dpt(9, 1));
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goPressure.dataPointType(Dpt(9, 1));
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goRawHumidity.dataPointType(Dpt(9, 1));
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goGasResistance.dataPointType(Dpt(9, 1));
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goIaqEstimate.dataPointType(Dpt(9, 1));
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goIaqAccurace.dataPointType(Dpt(9, 1));
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goTemperature.dataPointType(Dpt(9, 1));
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goHumidity.dataPointType(Dpt(9, 1));
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goCo2Ppm.dataPointType(Dpt(9, 1));
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goTriggerSample.dataPointType(Dpt(1, 1));
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}
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// start the framework.
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knx.start();
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iaqSensor.updateSubscription(sensorList, sizeof(sensorList)/sizeof(bsec_virtual_sensor_t), BSEC_SAMPLE_RATE_LP);
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checkIaqSensorStatus();
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String output = "Timestamp [ms], raw temperature [°C], temperature[°C], pressure [hPa], raw relative humidity [%], humidity [%], gas [Ohm], IAQ, IAQ accuracy, CO2, CO2 Accuracy, breathVocEquivalent, breathVocAccuracy, compGasValue, compGas Accuracy, gasPercentage, gasPercentage Accuracy, staticIAQ, staticIAQ Accuracy, runInStatus, stabStatus";
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Serial.println(output);
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}
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// Function that is looped forever
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void loop(void)
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{
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// don't delay here to much. Otherwise you might lose packages or mess up the timing with ETS
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knx.loop();
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// only run the application code if the device was configured with ETS
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if(!knx.configured())
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return;
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if (iaqSensor.run())
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{
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String output = String(millis());
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output += ", " + String(iaqSensor.rawTemperature);
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output += ", " + String(iaqSensor.temperature);
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output += ", " + String(iaqSensor.pressure);
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output += ", " + String(iaqSensor.rawHumidity);
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output += ", " + String(iaqSensor.humidity);
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output += ", " + String(iaqSensor.gasResistance);
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output += ", " + String(iaqSensor.iaq); //.iaqEstimate for BSEC_1.4.7.4
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output += ", " + String(iaqSensor.iaqAccuracy);
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output += ", " + String(iaqSensor.co2Equivalent);
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output += ", " + String(iaqSensor.co2Accuracy);
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output += ", " + String(iaqSensor.breathVocEquivalent);
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output += ", " + String(iaqSensor.breathVocAccuracy);
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output += ", " + String(iaqSensor.compGasValue);
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output += ", " + String(iaqSensor.compGasAccuracy);
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output += ", " + String(iaqSensor.gasPercentage);
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output += ", " + String(iaqSensor.gasPercentageAcccuracy);
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output += ", " + String(iaqSensor.staticIaq);
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output += ", " + String(iaqSensor.staticIaqAccuracy);
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output += ", " + String(iaqSensor.runInStatus);
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output += ", " + String(iaqSensor.stabStatus);
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Serial.println(output);
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updateState();
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if (sendCounter++ == cyclSend || trigger)
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{
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sendCounter = 0;
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trigger = false;
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goRawTemperature.value(iaqSensor.rawTemperature);
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goPressure.value(iaqSensor.pressure);
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goRawHumidity.value(iaqSensor.rawHumidity);
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goGasResistance.value(iaqSensor.gasResistance);
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goIaqEstimate.value(iaqSensor.iaq); //.iaqEstimate for BSEC_1.4.7.4
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goIaqAccurace.value(iaqSensor.iaqAccuracy);
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goTemperature.value(iaqSensor.temperature);
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goHumidity.value(iaqSensor.humidity);
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goCo2Ppm.value(iaqSensor.co2Equivalent);
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}
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}
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else {
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checkIaqSensorStatus();
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}
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}
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// Helper function definitions
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void checkIaqSensorStatus(void)
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{
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if (iaqSensor.status != BSEC_OK) {
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if (iaqSensor.status < BSEC_OK) {
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String output = "BSEC error code : " + String(iaqSensor.status);
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Serial.println(output);
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for (;;)
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errLeds(); /* Halt in case of failure */
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}
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else {
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String output = "BSEC warning code : " + String(iaqSensor.status);
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Serial.println(output);
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}
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}
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if (iaqSensor.bme680Status != BME680_OK) {
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if (iaqSensor.bme680Status < BME680_OK) {
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String output = "BME680 error code : " + String(iaqSensor.bme680Status);
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Serial.println(output);
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for (;;)
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errLeds(); /* Halt in case of failure */
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}
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else {
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String output = "BME680 warning code : " + String(iaqSensor.bme680Status);
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Serial.println(output);
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}
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}
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}
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void errLeds(void)
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{
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pinMode(LED_BUILTIN, OUTPUT);
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digitalWrite(LED_BUILTIN, HIGH);
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delay(100);
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digitalWrite(LED_BUILTIN, LOW);
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delay(100);
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}
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const uint8_t* loadBme680State(const uint8_t* buffer)
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{
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// Existing state in EEPROM
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Serial.println("Reading state from EEPROM");
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for (uint8_t i = 0; i < BSEC_MAX_STATE_BLOB_SIZE; i++) {
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Serial.println(buffer[i], HEX);
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}
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iaqSensor.setState(buffer);
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checkIaqSensorStatus();
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return buffer + BSEC_MAX_STATE_BLOB_SIZE;
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}
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uint8_t* saveBme680State(uint8_t* buffer)
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{
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iaqSensor.getState(buffer);
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checkIaqSensorStatus();
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Serial.println("Writing state to EEPROM");
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for (uint8_t i = 0; i < BSEC_MAX_STATE_BLOB_SIZE; i++) {
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Serial.println(buffer[i], HEX);
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}
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return buffer + BSEC_MAX_STATE_BLOB_SIZE;
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}
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void updateState(void)
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{
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bool update = false;
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if (stateUpdateCounter == 0) {
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/* First state update when IAQ accuracy is >= 1 */
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if (iaqSensor.iaqAccuracy >= 3) {
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update = true;
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stateUpdateCounter++;
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}
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}
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else {
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/* Update every STATE_SAVE_PERIOD minutes */
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if ((stateUpdateCounter * STATE_SAVE_PERIOD) < millis()) {
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update = true;
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stateUpdateCounter++;
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}
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}
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if (update) {
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knx.writeMemory();
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}
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}
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// callback from trigger-GO
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void triggerCallback(GroupObject& go)
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{
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Serial.println("trigger");
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Serial.println((bool)go.value());
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if (!go.value())
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return;
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trigger = true;
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/* We call bsec_update_subscription() in order to instruct BSEC to perform an extra measurement at the next
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possible time slot
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*/
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Serial.println("Triggering ULP plus.");
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bsec_virtual_sensor_t sensorList[] = {
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BSEC_OUTPUT_IAQ, BSEC_OUTPUT_CO2_EQUIVALENT
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};
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iaqSensor.updateSubscription(sensorList, 1, BSEC_SAMPLE_RATE_ULP_MEASUREMENT_ON_DEMAND);
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checkIaqSensorStatus();
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}
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