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159 lines
5.0 KiB
159 lines
5.0 KiB
/*
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POWER HLW8012 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_HLW8012
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// -----------------------------------------------------------------------------
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// MODULE GLOBALS AND CACHE
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// -----------------------------------------------------------------------------
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#include <HLW8012.h>
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#include <ESP8266WiFi.h>
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HLW8012 _hlw8012;
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WiFiEventHandler _power_wifi_onconnect;
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WiFiEventHandler _power_wifi_ondisconnect;
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// -----------------------------------------------------------------------------
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// HAL
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// -----------------------------------------------------------------------------
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void ICACHE_RAM_ATTR _hlw_cf1_isr() {
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_hlw8012.cf1_interrupt();
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}
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void ICACHE_RAM_ATTR _hlw_cf_isr() {
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_hlw8012.cf_interrupt();
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}
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void _hlwSetCalibration() {
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double value;
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value = getSetting("powerRatioP", 0).toFloat();
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if (value > 0) _hlw8012.setPowerMultiplier(value);
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value = getSetting("powerRatioC", 0).toFloat();
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if (value > 0) _hlw8012.setCurrentMultiplier(value);
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value = getSetting("powerRatioV", 0).toFloat();
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if (value > 0) _hlw8012.setVoltageMultiplier(value);
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}
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void _hlwGetCalibration() {
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setSetting("powerRatioP", _hlw8012.getPowerMultiplier());
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setSetting("powerRatioC", _hlw8012.getCurrentMultiplier());
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setSetting("powerRatioV", _hlw8012.getVoltageMultiplier());
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saveSettings();
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}
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// -----------------------------------------------------------------------------
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// POWER API
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// -----------------------------------------------------------------------------
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double _powerCurrent() {
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return _hlw8012.getCurrent();
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}
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double _powerVoltage() {
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return _hlw8012.getVoltage();
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}
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double _powerActivePower() {
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return _hlw8012.getActivePower();
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}
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double _powerApparentPower() {
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return _hlw8012.getApparentPower();
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}
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double _powerReactivePower() {
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return _hlw8012.getReactivePower();
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}
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double _powerPowerFactor() {
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return _hlw8012.getPowerFactor();
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}
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void _powerEnabledProvider() {
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if (_power_enabled) {
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attachInterrupt(HLW8012_CF1_PIN, _hlw_cf1_isr, CHANGE);
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attachInterrupt(HLW8012_CF_PIN, _hlw_cf_isr, CHANGE);
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} else {
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detachInterrupt(HLW8012_CF1_PIN);
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detachInterrupt(HLW8012_CF_PIN);
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}
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}
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void _powerCalibrateProvider(unsigned char magnitude, double value) {
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if (value <= 0) return;
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if (magnitude == POWER_MAGNITUDE_ACTIVE) _hlw8012.expectedActivePower(value);
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if (magnitude == POWER_MAGNITUDE_CURRENT) _hlw8012.expectedCurrent(value);
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if (magnitude == POWER_MAGNITUDE_VOLTAGE) _hlw8012.expectedVoltage(value);
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_hlwGetCalibration();
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}
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void _powerResetCalibrationProvider() {
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_hlw8012.resetMultipliers();
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_hlwGetCalibration();
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}
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void _powerConfigureProvider() {
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_hlwSetCalibration();
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_hlwGetCalibration();
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}
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void _powerSetupProvider() {
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// Initialize HLW8012
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// void begin(unsigned char cf_pin, unsigned char cf1_pin, unsigned char sel_pin, unsigned char currentWhen = HIGH, bool use_interrupts = false, unsigned long pulse_timeout = PULSE_TIMEOUT);
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// * cf_pin, cf1_pin and sel_pin are GPIOs to the HLW8012 IC
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// * currentWhen is the value in sel_pin to select current sampling
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// * set use_interrupts to true to use interrupts to monitor pulse widths
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// * leave pulse_timeout to the default value, recommended when using interrupts
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#if HLW8012_USE_INTERRUPTS
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_hlw8012.begin(HLW8012_CF_PIN, HLW8012_CF1_PIN, HLW8012_SEL_PIN, HLW8012_SEL_CURRENT, true);
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#else
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_hlw8012.begin(HLW8012_CF_PIN, HLW8012_CF1_PIN, HLW8012_SEL_PIN, HLW8012_SEL_CURRENT, false, 1000000);
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#endif
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// These values are used to calculate current, voltage and power factors as per datasheet formula
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// These are the nominal values for the Sonoff POW resistors:
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// * The CURRENT_RESISTOR is the 1milliOhm copper-manganese resistor in series with the main line
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// * The VOLTAGE_RESISTOR_UPSTREAM are the 5 470kOhm resistors in the voltage divider that feeds the V2P pin in the HLW8012
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// * The VOLTAGE_RESISTOR_DOWNSTREAM is the 1kOhm resistor in the voltage divider that feeds the V2P pin in the HLW8012
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_hlw8012.setResistors(HLW8012_CURRENT_R, HLW8012_VOLTAGE_R_UP, HLW8012_VOLTAGE_R_DOWN);
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_powerConfigureProvider();
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_power_wifi_onconnect = WiFi.onStationModeGotIP([](WiFiEventStationModeGotIP ipInfo) {
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powerEnabled(true);
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});
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_power_wifi_ondisconnect = WiFi.onStationModeDisconnected([](WiFiEventStationModeDisconnected ipInfo) {
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powerEnabled(false);
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});
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}
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void _powerLoopProvider(bool before) {
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if (before) {
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static unsigned long last = 0;
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if (millis() - last > POWER_READ_INTERVAL) {
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last = millis();
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_power_newdata = true;
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}
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} else {
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// Toggle between current and voltage monitoring
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#if (HLW8012_USE_INTERRUPTS == 0)
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_hlw8012.toggleMode();
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#endif // (HLW8012_USE_INTERRUPTS == 0)
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}
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}
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#endif // POWER_PROVIDER == POWER_PROVIDER_HLW8012
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