mirror of
https://github.com/thelsing/knx.git
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261 lines
8.7 KiB
C++
261 lines
8.7 KiB
C++
#include <bsec.h>
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#include <knx.h>
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// declare array of all groupobjects with their sizes in byte
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GroupObject groupObjects[]
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{
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GroupObject(2),
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GroupObject(2),
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GroupObject(2),
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GroupObject(2),
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GroupObject(2),
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GroupObject(1),
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GroupObject(2),
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GroupObject(2),
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GroupObject(1),
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GroupObject(2)
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}
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;
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// create named references for easy access to group objects
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GroupObject& goRawTemperature = groupObjects[0];
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GroupObject& goPressure = groupObjects[1];
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GroupObject& goRawHumidity = groupObjects[2];
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GroupObject& goGasResistance = groupObjects[3];
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GroupObject& goIaqEstimate = groupObjects[4];
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GroupObject& goIaqAccurace = groupObjects[5];
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GroupObject& goTemperature = groupObjects[6];
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GroupObject& goHumidity = groupObjects[7];
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GroupObject& goTriggerSample = groupObjects[8];
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GroupObject& goCo2Ppm = groupObjects[9];
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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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uint8_t* loadBme680State(uint8_t* buffer);
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void triggerCallback(GroupObject& go);
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void updateState();
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// from generic_33v_3s_28d
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const uint8_t bsec_config_iaq[454] =
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{1,7,4,1,61,0,0,0,0,0,0,0,174,1,0,0,48,0,1,0,137,65,0,63,205,204,204,62,0,0,64,63,205,204,204,62,0,0,225,68,0,168,19,73,64,49,119,76,0,0,0,0,0,80,5,95,0,0,0,0,0,0,0,0,28,0,2,0,0,244,1,225,0,25,0,0,128,64,0,0,32,65,144,1,0,0,112,65,0,0,0,63,16,0,3,0,10,215,163,60,10,215,35,59,10,215,35,59,9,0,5,0,0,0,0,0,1,88,0,9,0,229,208,34,62,0,0,0,0,0,0,0,0,218,27,156,62,225,11,67,64,0,0,160,64,0,0,0,0,0,0,0,0,94,75,72,189,93,254,159,64,66,62,160,191,0,0,0,0,0,0,0,0,33,31,180,190,138,176,97,64,65,241,99,190,0,0,0,0,0,0,0,0,167,121,71,61,165,189,41,192,184,30,189,64,12,0,10,0,0,0,0,0,0,0,0,0,229,0,254,0,2,1,5,48,117,100,0,44,1,112,23,151,7,132,3,197,0,92,4,144,1,64,1,64,1,144,1,48,117,48,117,48,117,48,117,100,0,100,0,100,0,48,117,48,117,48,117,100,0,100,0,48,117,48,117,100,0,100,0,100,0,100,0,48,117,48,117,48,117,100,0,100,0,100,0,48,117,48,117,100,0,100,0,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,8,7,8,7,8,7,8,7,8,7,8,7,8,7,8,7,8,7,8,7,8,7,8,7,8,7,8,7,112,23,112,23,112,23,112,23,112,23,112,23,112,23,112,23,112,23,112,23,112,23,112,23,112,23,112,23,255,255,255,255,255,255,255,255,220,5,220,5,220,5,255,255,255,255,255,255,220,5,220,5,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,44,1,0,0,0,0,50,91,0,0};
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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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delay(5000);
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Serial.println("start");
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// register group objects
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knx.registerGroupObjects(groupObjects, 10);
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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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goTriggerSample.updateHandler = triggerCallback;
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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_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_IAQ,
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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_CO2_EQUIVALENT
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};
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knx.setSaveCallback(saveBme680State);
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knx.setRestoreCallback(loadBme680State);
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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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}
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// start the framework. Will get wifi first.
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knx.start();
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iaqSensor.updateSubscription(sensorList, 7, BSEC_SAMPLE_RATE_LP);
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checkIaqSensorStatus();
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String output = "Timestamp [ms], raw temperature [°C], pressure [hPa], raw relative humidity [%], gas [Ohm], IAQ, IAQ accuracy, temperature [°C], relative humidity [%], CO2";
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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.pressure);
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output += ", " + String(iaqSensor.rawHumidity);
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output += ", " + String(iaqSensor.gasResistance);
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output += ", " + String(iaqSensor.iaqEstimate);
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output += ", " + String(iaqSensor.iaqAccuracy);
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output += ", " + String(iaqSensor.temperature);
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output += ", " + String(iaqSensor.humidity);
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output += ", " + String(iaqSensor.co2Equivalent);
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output += ", " + String(iaqSensor.co2Accuracy);
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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.objectWrite(iaqSensor.rawTemperature);
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goPressure.objectWrite(iaqSensor.pressure);
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goRawHumidity.objectWrite(iaqSensor.rawHumidity);
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goGasResistance.objectWrite(iaqSensor.gasResistance);
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goIaqEstimate.objectWrite(iaqSensor.iaqEstimate);
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goIaqAccurace.objectWrite(iaqSensor.iaqAccuracy);
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goTemperature.objectWrite(iaqSensor.temperature);
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goHumidity.objectWrite(iaqSensor.humidity);
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goCo2Ppm.objectWrite(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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uint8_t* loadBme680State(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(go.objectReadBool());
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if (!go.objectReadBool())
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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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} |