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469 lines
17 KiB
469 lines
17 KiB
/*
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SENSOR MODULE
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Copyright (C) 2016-2017 by Xose Pérez <xose dot perez at gmail dot com>
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*/
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#include <vector>
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#include "filters/MaxFilter.h"
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#include "filters/MedianFilter.h"
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#include "filters/MovingAverageFilter.h"
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#include "sensors/BaseSensor.h"
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typedef struct {
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BaseSensor * sensor;
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unsigned char local; // Local index in its provider
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magnitude_t type; // Type of measurement
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unsigned char global; // Global index in its type
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double current; // Current (last) value, unfiltered
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double filtered; // Filtered (averaged) value
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double reported; // Last reported value
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double min_change; // Minimum value change to report
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BaseFilter * filter; // Filter object
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} sensor_magnitude_t;
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std::vector<BaseSensor *> _sensors;
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std::vector<sensor_magnitude_t> _magnitudes;
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unsigned char _counts[MAGNITUDE_MAX];
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bool _sensor_realtime = API_REAL_TIME_VALUES;
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unsigned char _sensor_temperature_units = SENSOR_TEMPERATURE_UNITS;
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double _sensor_temperature_correction = SENSOR_TEMPERATURE_CORRECTION;
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unsigned char _sensor_isr = 0xFF;
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// -----------------------------------------------------------------------------
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// Private
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// -----------------------------------------------------------------------------
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String _sensorTopic(magnitude_t type) {
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if (type == MAGNITUDE_TEMPERATURE) return String(SENSOR_TEMPERATURE_TOPIC);
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if (type == MAGNITUDE_HUMIDITY) return String(SENSOR_HUMIDITY_TOPIC);
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if (type == MAGNITUDE_PRESSURE) return String(SENSOR_PRESSURE_TOPIC);
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if (type == MAGNITUDE_CURRENT) return String(SENSOR_CURRENT_TOPIC);
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if (type == MAGNITUDE_VOLTAGE) return String(SENSOR_VOLTAGE_TOPIC);
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if (type == MAGNITUDE_POWER_ACTIVE) return String(SENSOR_ACTIVE_POWER_TOPIC);
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if (type == MAGNITUDE_POWER_APPARENT) return String(SENSOR_APPARENT_POWER_TOPIC);
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if (type == MAGNITUDE_POWER_REACTIVE) return String(SENSOR_REACTIVE_POWER_TOPIC);
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if (type == MAGNITUDE_POWER_FACTOR) return String(SENSOR_POWER_FACTOR_TOPIC);
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if (type == MAGNITUDE_ENERGY) return String(SENSOR_ENERGY_TOPIC);
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if (type == MAGNITUDE_ENERGY_DELTA) return String(SENSOR_ENERGY_DELTA_TOPIC);
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if (type == MAGNITUDE_ANALOG) return String(SENSOR_ANALOG_TOPIC);
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if (type == MAGNITUDE_DIGITAL) return String(SENSOR_DIGITAL_TOPIC);
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if (type == MAGNITUDE_EVENTS) return String(SENSOR_EVENTS_TOPIC);
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if (type == MAGNITUDE_PM1dot0) return String(SENSOR_PM1dot0_TOPIC);
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if (type == MAGNITUDE_PM2dot5) return String(SENSOR_PM2dot5_TOPIC);
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if (type == MAGNITUDE_PM10) return String(SENSOR_PM10_TOPIC);
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return String(SENSOR_UNKNOWN_TOPIC);
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}
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unsigned char _sensorDecimals(magnitude_t type) {
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if (type == MAGNITUDE_TEMPERATURE) return SENSOR_TEMPERATURE_DECIMALS;
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if (type == MAGNITUDE_HUMIDITY) return SENSOR_HUMIDITY_DECIMALS;
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if (type == MAGNITUDE_PRESSURE) return SENSOR_PRESSURE_DECIMALS;
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if (type == MAGNITUDE_CURRENT) return SENSOR_CURRENT_DECIMALS;
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if (type == MAGNITUDE_VOLTAGE) return SENSOR_VOLTAGE_DECIMALS;
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if (type == MAGNITUDE_POWER_ACTIVE) return SENSOR_POWER_DECIMALS;
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if (type == MAGNITUDE_POWER_APPARENT) return SENSOR_POWER_DECIMALS;
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if (type == MAGNITUDE_POWER_REACTIVE) return SENSOR_POWER_DECIMALS;
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if (type == MAGNITUDE_POWER_FACTOR) return SENSOR_POWER_FACTOR_DECIMALS;
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if (type == MAGNITUDE_ENERGY) return SENSOR_ENERGY_DECIMALS;
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if (type == MAGNITUDE_ENERGY_DELTA) return SENSOR_ENERGY_DECIMALS;
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if (type == MAGNITUDE_ANALOG) return SENSOR_ANALOG_DECIMALS;
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if (type == MAGNITUDE_EVENTS) return SENSOR_EVENTS_DECIMALS;
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if (type == MAGNITUDE_PM1dot0) return SENSOR_PM1dot0_DECIMALS;
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if (type == MAGNITUDE_PM2dot5) return SENSOR_PM2dot5_DECIMALS;
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if (type == MAGNITUDE_PM10) return SENSOR_PM10_DECIMALS;
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return 0;
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}
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String _sensorUnits(magnitude_t type) {
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if (type == MAGNITUDE_TEMPERATURE) return (_sensor_temperature_units == TMP_CELSIUS) ? String("C") : String("F");
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if (type == MAGNITUDE_HUMIDITY) return String("%");
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if (type == MAGNITUDE_PRESSURE) return String("hPa");
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if (type == MAGNITUDE_CURRENT) return String("A");
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if (type == MAGNITUDE_VOLTAGE) return String("V");
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if (type == MAGNITUDE_POWER_ACTIVE) return String("W");
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if (type == MAGNITUDE_POWER_APPARENT) return String("W");
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if (type == MAGNITUDE_POWER_REACTIVE) return String("W");
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if (type == MAGNITUDE_POWER_FACTOR) return String("%");
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if (type == MAGNITUDE_ENERGY) return String("J");
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if (type == MAGNITUDE_ENERGY_DELTA) return String("J");
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if (type == MAGNITUDE_EVENTS) return String("/min");
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if (type == MAGNITUDE_PM1dot0) return String("µg/m3");
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if (type == MAGNITUDE_PM2dot5) return String("µg/m3");
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if (type == MAGNITUDE_PM10) return String("µg/m3");
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return String();
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}
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double _sensorProcess(magnitude_t type, double value) {
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if (type == MAGNITUDE_TEMPERATURE) {
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if (_sensor_temperature_units == TMP_FAHRENHEIT) value = value * 1.8 + 32;
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value = value + _sensor_temperature_correction;
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}
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return roundTo(value, _sensorDecimals(type));
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}
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void _sensorConfigure() {
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_sensor_realtime = getSetting("apiRealTime", API_REAL_TIME_VALUES).toInt() == 1;
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_sensor_temperature_units = getSetting("tmpUnits", SENSOR_TEMPERATURE_UNITS).toInt();
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_sensor_temperature_correction = getSetting("tmpCorrection", SENSOR_TEMPERATURE_CORRECTION).toFloat();
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}
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#if WEB_SUPPORT
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void _sensorWebSocketOnSend(JsonObject& root) {
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char buffer[10];
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bool hasTemperature = false;
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JsonArray& sensors = root.createNestedArray("sensors");
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for (unsigned char i=0; i<_magnitudes.size(); i++) {
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sensor_magnitude_t magnitude = _magnitudes[i];
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unsigned char decimals = _sensorDecimals(magnitude.type);
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dtostrf(magnitude.current, 1-sizeof(buffer), decimals, buffer);
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JsonObject& sensor = sensors.createNestedObject();
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sensor["type"] = int(magnitude.type);
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sensor["value"] = String(buffer);
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sensor["units"] = _sensorUnits(magnitude.type);
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sensor["description"] = magnitude.sensor->slot(magnitude.local);
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if (magnitude.type == MAGNITUDE_TEMPERATURE) hasTemperature = true;
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}
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//root["apiRealTime"] = _sensor_realtime;
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root["tmpUnits"] = _sensor_temperature_units;
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root["tmpCorrection"] = _sensor_temperature_correction;
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if (hasTemperature) root["temperatureVisible"] = 1;
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}
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void _sensorAPISetup() {
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for (unsigned char magnitude_id=0; magnitude_id<_magnitudes.size(); magnitude_id++) {
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sensor_magnitude_t magnitude = _magnitudes[magnitude_id];
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String topic = _sensorTopic(magnitude.type);
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if (SENSOR_USE_INDEX || (_counts[magnitude.type] > 1)) topic = topic + "/" + String(magnitude.global);
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apiRegister(topic.c_str(), topic.c_str(), [magnitude_id](char * buffer, size_t len) {
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sensor_magnitude_t magnitude = _magnitudes[magnitude_id];
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unsigned char decimals = _sensorDecimals(magnitude.type);
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double value = _sensor_realtime ? magnitude.current : magnitude.filtered;
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dtostrf(value, 1-len, decimals, buffer);
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});
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}
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}
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#endif
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void _sensorTick() {
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for (unsigned char i=0; i<_sensors.size(); i++) {
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_sensors[i]->tick();
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}
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}
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void _sensorPre() {
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for (unsigned char i=0; i<_sensors.size(); i++) {
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_sensors[i]->pre();
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if (!_sensors[i]->status()) {
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DEBUG_MSG("[SENSOR] Error reading data from %s (error: %d)\n",
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_sensors[i]->name().c_str(),
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_sensors[i]->error()
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);
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}
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}
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}
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void _sensorPost() {
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for (unsigned char i=0; i<_sensors.size(); i++) {
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_sensors[i]->post();
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}
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}
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// -----------------------------------------------------------------------------
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// Interrupts
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// -----------------------------------------------------------------------------
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#if COUNTER_SUPPORT
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unsigned char _event_sensor_id = 0;
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void isrEventSensor() {
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_sensors[_event_sensor_id]->InterruptHandler();
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}
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#endif // COUNTER_SUPPORT
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// -----------------------------------------------------------------------------
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// Values
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// -----------------------------------------------------------------------------
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void sensorRegister(BaseSensor * sensor) {
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_sensors.push_back(sensor);
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}
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unsigned char sensorCount() {
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return _sensors.size();
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}
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unsigned char magnitudeCount() {
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return _magnitudes.size();
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}
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String magnitudeName(unsigned char index) {
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if (index < _magnitudes.size()) {
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sensor_magnitude_t magnitude = _magnitudes[index];
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return magnitude.sensor->slot(magnitude.local);
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}
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return String();
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}
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unsigned char magnitudeType(unsigned char index) {
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if (index < _magnitudes.size()) {
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return int(_magnitudes[index].type);
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}
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return MAGNITUDE_NONE;
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}
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void sensorInit() {
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#if DHT_SUPPORT
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#include "sensors/DHTSensor.h"
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sensorRegister(new DHTSensor(DHT_PIN, DHT_TYPE, DHT_PULLUP));
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#endif
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#if DS18B20_SUPPORT
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#include "sensors/DallasSensor.h"
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sensorRegister(new DallasSensor(DS18B20_PIN, SENSOR_READ_INTERVAL, DS18B20_PULLUP));
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#endif
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#if SI7021_SUPPORT
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#include "sensors/SI7021Sensor.h"
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sensorRegister(new SI7021Sensor(SI7021_ADDRESS));
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#endif
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#if BME280_SUPPORT
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#include "sensors/BME280Sensor.h"
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sensorRegister(new BME280Sensor(BME280_ADDRESS));
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#endif
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#if ANALOG_SUPPORT
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#include "sensors/AnalogSensor.h"
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sensorRegister(new AnalogSensor(ANALOG_PIN, ANALOG_PIN_MODE));
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#endif
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#if DIGITAL_SUPPORT
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#include "sensors/DigitalSensor.h"
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sensorRegister(new DigitalSensor(DIGITAL_PIN, DIGITAL_PIN_MODE, DIGITAL_DEFAULT_STATE));
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#endif
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#if EMON_ANALOG_SUPPORT
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#include "sensors/EmonAnalogSensor.h"
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sensorRegister(new EmonAnalogSensor(A0, EMON_MAINS_VOLTAGE, EMON_ANALOG_ADC_BITS, EMON_ANALOG_REFERENCE_VOLTAGE, EMON_ANALOG_CURRENT_RATIO));
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#endif
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#if EMON_ADC121_SUPPORT
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#include "sensors/EmonADC121Sensor.h"
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sensorRegister(new EmonADC121Sensor(EMON_ADC121_I2C_ADDRESS, EMON_MAINS_VOLTAGE, EMON_ADC121_ADC_BITS, EMON_ADC121_REFERENCE_VOLTAGE, EMON_ADC121_CURRENT_RATIO));
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#endif
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#if EMON_ADS1X15_SUPPORT
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#include "sensors/EmonADS1X15Sensor.h"
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sensorRegister(new EmonADS1X15Sensor(EMON_ADS1X15_I2C_ADDRESS, EMON_ADS1X15_ADS1115, EMON_ADS1X15_PORT_MASK, EMON_MAINS_VOLTAGE, EMON_ADS1X15_ADC_BITS, EMON_ADS1X15_REFERENCE_VOLTAGE, EMON_ADS1X15_CURRENT_RATIO));
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#endif
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#if PMSX003_SUPPORT
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#include "sensors/PMSX003Sensor.h"
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sensorRegister(new PMSX003Sensor(PMS_RX_PIN, PMS_TX_PIN));
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#endif
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#if COUNTER_SUPPORT
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#include "sensors/EventSensor.h"
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sensorRegister(new EventSensor(COUNTER_PIN, COUNTER_PIN_MODE, COUNTER_DEBOUNCE));
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_event_sensor_id = sensorCount() - 1;
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attachInterrupt(COUNTER_PIN, isrEventSensor, COUNTER_INTERRUPT_MODE);
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#endif
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}
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void sensorSetup() {
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// Load sensors
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sensorInit();
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// Load magnitudes
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for (unsigned char i=0; i<_sensors.size(); i++) {
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BaseSensor * sensor = _sensors[i];
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DEBUG_MSG("[SENSOR] %s\n", sensor->name().c_str());
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for (unsigned char k=0; k<sensor->count(); k++) {
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magnitude_t type = sensor->type(k);
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sensor_magnitude_t new_magnitude;
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new_magnitude.sensor = sensor;
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new_magnitude.local = k;
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new_magnitude.type = type;
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new_magnitude.global = _counts[type];
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new_magnitude.current = 0;
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new_magnitude.filtered = 0;
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new_magnitude.reported = 0;
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new_magnitude.min_change = 0;
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if (type == MAGNITUDE_DIGITAL) {
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new_magnitude.filter = new MaxFilter();
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} else if (type == MAGNITUDE_EVENTS) {
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new_magnitude.filter = new MovingAverageFilter(SENSOR_REPORT_EVERY);
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} else {
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new_magnitude.filter = new MedianFilter();
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}
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_magnitudes.push_back(new_magnitude);
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DEBUG_MSG("[SENSOR] -> %s:%d\n", _sensorTopic(type).c_str(), _counts[type]);
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_counts[type] = _counts[type] + 1;
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}
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}
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#if WEB_SUPPORT
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// Websockets
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wsOnSendRegister(_sensorWebSocketOnSend);
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wsOnAfterParseRegister(_sensorConfigure);
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// API
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_sensorAPISetup();
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#endif
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}
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void sensorLoop() {
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static unsigned long last_update = 0;
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static unsigned long report_count = 0;
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// Tick hook
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_sensorTick();
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// Check if we should read new data
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if (millis() - last_update > SENSOR_READ_INTERVAL) {
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last_update = millis();
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report_count = (report_count + 1) % SENSOR_REPORT_EVERY;
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double current;
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double filtered;
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char buffer[64];
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// Pre-read hook
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_sensorPre();
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// Get readings
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for (unsigned char i=0; i<_magnitudes.size(); i++) {
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sensor_magnitude_t magnitude = _magnitudes[i];
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if (magnitude.sensor->status()) {
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unsigned char decimals = _sensorDecimals(magnitude.type);
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current = magnitude.sensor->value(magnitude.local);
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magnitude.filter->add(current);
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// Special case
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if (magnitude.type == MAGNITUDE_EVENTS) current = magnitude.filter->result();
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current = _sensorProcess(magnitude.type, current);
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_magnitudes[i].current = current;
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// Debug
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#if true
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{
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dtostrf(current, 1-sizeof(buffer), decimals, buffer);
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DEBUG_MSG("[SENSOR] %s - %s: %s%s\n",
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magnitude.sensor->slot(magnitude.local).c_str(),
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_sensorTopic(magnitude.type).c_str(),
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buffer,
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_sensorUnits(magnitude.type).c_str()
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);
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}
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#endif
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// Time to report (we do it every SENSOR_REPORT_EVERY readings)
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if (report_count == 0) {
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filtered = magnitude.filter->result();
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magnitude.filter->reset();
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filtered = _sensorProcess(magnitude.type, filtered);
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_magnitudes[i].filtered = filtered;
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// Check if there is a minimum change threshold to report
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if (fabs(filtered - magnitude.reported) >= magnitude.min_change) {
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_magnitudes[i].reported = filtered;
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dtostrf(filtered, 1-sizeof(buffer), decimals, buffer);
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#if MQTT_SUPPORT
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if (SENSOR_USE_INDEX || (_counts[magnitude.type] > 1)) {
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mqttSend(_sensorTopic(magnitude.type).c_str(), magnitude.global, buffer);
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} else {
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mqttSend(_sensorTopic(magnitude.type).c_str(), buffer);
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}
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#endif
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#if INFLUXDB_SUPPORT
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if (SENSOR_USE_INDEX || (_counts[magnitude.type] > 1)) {
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idbSend(_sensorTopic(magnitude.type).c_str(), magnitude.global, buffer);
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} else {
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idbSend(_sensorTopic(magnitude.type).c_str(), buffer);
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}
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#endif
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#if DOMOTICZ_SUPPORT
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{
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char key[15];
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snprintf_P(key, sizeof(key), PSTR("dczSensor%d"), i);
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if (magnitude.type == MAGNITUDE_HUMIDITY) {
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int status;
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if (filtered > 70) {
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status = HUMIDITY_WET;
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} else if (filtered > 45) {
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status = HUMIDITY_COMFORTABLE;
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} else if (filtered > 30) {
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status = HUMIDITY_NORMAL;
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} else {
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status = HUMIDITY_DRY;
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}
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char status_buf[5];
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itoa(status, status_buf, 10);
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domoticzSend(key, buffer, status_buf);
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} else {
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domoticzSend(key, 0, buffer);
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}
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}
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#endif
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} // if (fabs(filtered - magnitude.reported) >= magnitude.min_change)
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} // if (report_count == 0)
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} // if (magnitude.sensor->status())
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} // for (unsigned char i=0; i<_magnitudes.size(); i++)
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// Post-read hook
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_sensorPost();
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#if WEB_SUPPORT
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wsSend(_sensorWebSocketOnSend);
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#endif
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}
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}
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