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307 lines
9.3 KiB
307 lines
9.3 KiB
/*
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POWER 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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#if POWER_PROVIDER != POWER_PROVIDER_NONE
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// -----------------------------------------------------------------------------
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// MODULE GLOBALS AND CACHE
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// -----------------------------------------------------------------------------
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#include "power.h"
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#include <Hash.h>
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#include <ArduinoJson.h>
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bool _power_enabled = false;
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bool _power_ready = false;
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bool _power_newdata = false;
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double _power_current = 0;
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double _power_voltage = 0;
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double _power_apparent = 0;
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MedianFilter _filter_current = MedianFilter(POWER_REPORT_BUFFER);
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#if POWER_HAS_ACTIVE
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double _power_active = 0;
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double _power_reactive = 0;
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double _power_factor = 0;
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MedianFilter _filter_voltage = MedianFilter(POWER_REPORT_BUFFER);
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MedianFilter _filter_active = MedianFilter(POWER_REPORT_BUFFER);
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MedianFilter _filter_apparent = MedianFilter(POWER_REPORT_BUFFER);
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#endif
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// -----------------------------------------------------------------------------
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// PRIVATE METHODS
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// -----------------------------------------------------------------------------
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#if WEB_SUPPORT
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void _powerAPISetup() {
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apiRegister(MQTT_TOPIC_CURRENT, MQTT_TOPIC_CURRENT, [](char * buffer, size_t len) {
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if (_power_ready) {
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dtostrf(getCurrent(), len-1, POWER_CURRENT_PRECISION, buffer);
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} else {
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buffer = NULL;
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}
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});
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apiRegister(MQTT_TOPIC_VOLTAGE, MQTT_TOPIC_VOLTAGE, [](char * buffer, size_t len) {
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if (_power_ready) {
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snprintf_P(buffer, len, PSTR("%d"), getVoltage());
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} else {
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buffer = NULL;
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}
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});
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apiRegister(MQTT_TOPIC_POWER_APPARENT, MQTT_TOPIC_POWER_APPARENT, [](char * buffer, size_t len) {
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if (_power_ready) {
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snprintf_P(buffer, len, PSTR("%d"), getApparentPower());
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} else {
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buffer = NULL;
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}
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});
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#if POWER_HAS_ACTIVE
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apiRegister(MQTT_TOPIC_POWER_ACTIVE, MQTT_TOPIC_POWER_ACTIVE, [](char * buffer, size_t len) {
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if (_power_ready) {
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snprintf_P(buffer, len, PSTR("%d"), getActivePower());
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} else {
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buffer = NULL;
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}
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});
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#endif
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}
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#endif // WEB_SUPPORT
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void _powerReset() {
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_filter_current.reset();
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#if POWER_HAS_ACTIVE
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_filter_apparent.reset();
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_filter_voltage.reset();
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_filter_active.reset();
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#endif
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}
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void _powerRead() {
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// Get instantaneous values from HAL
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double current = _powerCurrent();
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double voltage = _powerVoltage();
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double apparent = _powerApparentPower();
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#if POWER_HAS_ACTIVE
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double active = _powerActivePower();
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double reactive = (apparent > active) ? sqrt(apparent * apparent - active * active) : 0;
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double factor = (apparent > 0) ? active / apparent : 1;
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#endif
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// Filters
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_filter_current.add(current);
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#if POWER_HAS_ACTIVE
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_filter_apparent.add(apparent);
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_filter_voltage.add(voltage);
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_filter_active.add(active);
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#endif
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/* THERE IS A BUG HERE SOMEWHERE :)
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char current_buffer[10];
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dtostrf(current, sizeof(current_buffer)-1, POWER_CURRENT_PRECISION, current_buffer);
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DEBUG_MSG_P(PSTR("[POWER] Current: %sA\n"), current_buffer);
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DEBUG_MSG_P(PSTR("[POWER] Voltage: %sA\n"), int(voltage));
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DEBUG_MSG_P(PSTR("[POWER] Apparent Power: %dW\n"), int(apparent));
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#if POWER_HAS_ACTIVE
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DEBUG_MSG_P(PSTR("[POWER] Active Power: %dW\n"), int(active));
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DEBUG_MSG_P(PSTR("[POWER] Reactive Power: %dW\n"), int(reactive));
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DEBUG_MSG_P(PSTR("[POWER] Power Factor: %d%%\n"), int(100 * factor));
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#endif
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*/
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// Update websocket clients
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#if WEB_SUPPORT
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if (wsConnected()) {
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DynamicJsonBuffer jsonBuffer;
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JsonObject& root = jsonBuffer.createObject();
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root["pwrVisible"] = 1;
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root["pwrCurrent"] = roundTo(current, POWER_CURRENT_DECIMALS);
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root["pwrVoltage"] = roundTo(voltage, POWER_VOLTAGE_DECIMALS);
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root["pwrApparent"] = roundTo(apparent, POWER_POWER_DECIMALS);
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#if POWER_HAS_ACTIVE
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root["pwrFullVisible"] = 1;
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root["pwrActive"] = roundTo(active, POWER_POWER_DECIMALS);
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root["pwrReactive"] = roundTo(reactive, POWER_POWER_DECIMALS);
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root["pwrFactor"] = int(100 * factor);
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#endif
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String output;
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root.printTo(output);
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wsSend(output.c_str());
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}
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#endif
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}
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void _powerReport() {
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// Get the fitered values
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_power_current = _filter_current.average(true);
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#if POWER_HAS_ACTIVE
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_power_apparent = _filter_apparent.average(true);
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_power_voltage = _filter_voltage.average(true);
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_power_active = _filter_active.average(true);
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if (_power_active > _power_apparent) _power_apparent = _power_active;
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#else
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_power_apparent = _power_current * _power_voltage;
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_power_active = _power_apparent;
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#endif
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_power_reactive = (_power_apparent > _power_active) ? sqrt(_power_apparent * _power_apparent - _power_active * _power_active) : 0;
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_power_factor = (_power_apparent > 0) ? _power_active / _power_apparent : 1;
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if (_power_factor > 1) _power_factor = 1;
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_power_ready = true;
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char buf_current[10];
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dtostrf(_power_current, 6, POWER_CURRENT_PRECISION, buf_current);
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double energy_delta = _power_active * POWER_ENERGY_FACTOR;
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char buf_energy[10];
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dtostrf(energy_delta, 6, POWER_CURRENT_PRECISION, buf_energy);
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{
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mqttSend(MQTT_TOPIC_CURRENT, buf_current);
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mqttSend(MQTT_TOPIC_POWER_APPARENT, String((int) _power_apparent).c_str());
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mqttSend(MQTT_TOPIC_ENERGY, buf_energy);
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#if POWER_HAS_ACTIVE
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mqttSend(MQTT_TOPIC_POWER_ACTIVE, String((int) _power_active).c_str());
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mqttSend(MQTT_TOPIC_POWER_REACTIVE, String((int) _power_reactive).c_str());
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mqttSend(MQTT_TOPIC_VOLTAGE, String((int) _power_voltage).c_str());
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mqttSend(MQTT_TOPIC_POWER_FACTOR, String((int) 100 * _power_factor).c_str());
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#endif
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}
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#if DOMOTICZ_SUPPORT
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{
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char buffer[20];
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snprintf_P(buffer, sizeof(buffer), PSTR("%d;%s"), _power_active, buf_energy);
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domoticzSend("dczPowIdx", 0, buffer);
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domoticzSend("dczCurrentIdx", 0, buf_current);
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domoticzSend("dczEnergyIdx", 0, buf_energy);
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#if POWER_HAS_ACTIVE
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snprintf_P(buffer, sizeof(buffer), PSTR("%d"), _power_voltage);
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domoticzSend("dczVoltIdx", 0, buffer);
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#endif
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}
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#endif
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#if INFLUXDB_SUPPORT
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{
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influxDBSend(MQTT_TOPIC_CURRENT, buf_current);
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influxDBSend(MQTT_TOPIC_POWER_APPARENT, String((int) _power_apparent).c_str());
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influxDBSend(MQTT_TOPIC_ENERGY, buf_energy);
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#if POWER_HAS_ACTIVE
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influxDBSend(MQTT_TOPIC_POWER_ACTIVE, String((int) _power_active).c_str());
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influxDBSend(MQTT_TOPIC_POWER_REACTIVE, String((int) _power_reactive).c_str());
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influxDBSend(MQTT_TOPIC_VOLTAGE, String((int) _power_voltage).c_str());
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influxDBSend(MQTT_TOPIC_POWER_FACTOR, String((int) 100 * _power_factor).c_str());
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#endif
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}
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#endif
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}
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// -----------------------------------------------------------------------------
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// MAGNITUDE API
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// -----------------------------------------------------------------------------
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bool hasActivePower() {
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return POWER_HAS_ACTIVE;
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}
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double getCurrent() {
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return roundTo(_power_current, POWER_CURRENT_DECIMALS);
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}
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double getVoltage() {
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return roundTo(_power_voltage, POWER_VOLTAGE_DECIMALS);
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}
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double getApparentPower() {
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return roundTo(_power_apparent, POWER_POWER_DECIMALS);
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}
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double getActivePower() {
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return roundTo(_power_active, POWER_POWER_DECIMALS);
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}
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double getReactivePower() {
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return roundTo(_power_reactive, POWER_POWER_DECIMALS);
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}
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double getPowerFactor() {
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return roundTo(_power_factor, 2);
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}
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// -----------------------------------------------------------------------------
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// PUBLIC API
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// -----------------------------------------------------------------------------
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bool powerEnabled() {
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return _power_enabled;
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}
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void powerEnabled(bool enabled) {
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if (enabled & !_power_enabled) _powerReset();
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_power_enabled = enabled;
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_powerEnabledProvider();
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}
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void powerConfigure() {
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_powerConfigureProvider();
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}
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void powerSetup() {
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// backwards compatibility
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moveSetting("pwMainsVoltage", "powerVoltage");
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moveSetting("emonMains", "powerVoltage");
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moveSetting("emonVoltage", "powerVoltage");
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moveSetting("pwCurrentRatio", "powerRatioC");
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moveSetting("emonRatio", "powerRatioC");
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moveSetting("powPowerMult", "powerRatioP");
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moveSetting("powCurrentMult", "powerRatioC");
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moveSetting("powVoltageMult", "powerRatioV");
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_powerSetupProvider();
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// API
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#if WEB_SUPPORT
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_powerAPISetup();
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#endif
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DEBUG_MSG_P(PSTR("[POWER] POWER_PROVIDER = %d\n"), POWER_PROVIDER);
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}
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void powerLoop() {
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_powerLoopProvider(true);
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if (_power_newdata) {
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_power_newdata = false;
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_powerRead();
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}
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static unsigned long last = 0;
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if (millis() - last > POWER_REPORT_INTERVAL) {
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last = millis();
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_powerReport();
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}
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_powerLoopProvider(false);
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}
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#endif // POWER_PROVIDER != POWER_PROVIDER_NONE
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