You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
184 lines
4.8 KiB
184 lines
4.8 KiB
/*
|
|
|
|
POWER EMON MODULE
|
|
|
|
Copyright (C) 2016-2017 by Xose Pérez <xose dot perez at gmail dot com>
|
|
|
|
*/
|
|
|
|
#if (POWER_PROVIDER == POWER_PROVIDER_EMON_ANALOG) || (POWER_PROVIDER == POWER_PROVIDER_EMON_ADC121)
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// MODULE GLOBALS AND CACHE
|
|
// -----------------------------------------------------------------------------
|
|
|
|
#include <EmonLiteESP.h>
|
|
EmonLiteESP _emon;
|
|
|
|
#if POWER_PROVIDER == POWER_PROVIDER_EMON_ADC121
|
|
|
|
#if I2C_USE_BRZO
|
|
#include "brzo_i2c.h"
|
|
#else
|
|
#include "Wire.h"
|
|
#endif
|
|
|
|
// ADC121 Registers
|
|
#define ADC121_REG_RESULT 0x00
|
|
#define ADC121_REG_ALERT 0x01
|
|
#define ADC121_REG_CONFIG 0x02
|
|
#define ADC121_REG_LIMITL 0x03
|
|
#define ADC121_REG_LIMITH 0x04
|
|
#define ADC121_REG_HYST 0x05
|
|
#define ADC121_REG_CONVL 0x06
|
|
#define ADC121_REG_CONVH 0x07
|
|
|
|
#endif // POWER_PROVIDER == POWER_PROVIDER_EMON_ADC121
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// HAL
|
|
// -----------------------------------------------------------------------------
|
|
|
|
unsigned int currentCallback() {
|
|
|
|
#if POWER_PROVIDER == POWER_PROVIDER_EMON_ANALOG
|
|
|
|
return analogRead(A0);
|
|
|
|
#endif // POWER_PROVIDER == POWER_PROVIDER_EMON_ANALOG
|
|
|
|
#if POWER_PROVIDER == POWER_PROVIDER_EMON_ADC121
|
|
|
|
unsigned int value;
|
|
|
|
#if I2C_USE_BRZO
|
|
uint8_t buffer[2];
|
|
i2cStart(ADC121_I2C_ADDRESS);
|
|
buffer[0] = ADC121_REG_RESULT;
|
|
brzo_i2c_write(buffer, 1, false);
|
|
brzo_i2c_read(buffer, 2, false);
|
|
brzo_i2c_end_transaction();
|
|
value = (buffer[0] & 0x0F) << 8;
|
|
value |= buffer[1];
|
|
#else
|
|
Wire.beginTransmission(ADC121_I2C_ADDRESS);
|
|
Wire.write(ADC121_REG_RESULT);
|
|
Wire.endTransmission();
|
|
Wire.requestFrom(ADC121_I2C_ADDRESS, 2);
|
|
value = (Wire.read() & 0x0F) << 8;
|
|
value = value + Wire.read();
|
|
#endif
|
|
|
|
return value;
|
|
|
|
#endif // POWER_PROVIDER == POWER_PROVIDER_EMON_ADC121
|
|
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// POWER API
|
|
// -----------------------------------------------------------------------------
|
|
|
|
double _powerCurrent() {
|
|
static unsigned long last = 0;
|
|
static double current = 0;
|
|
if (millis() - last > 1000) {
|
|
last = millis();
|
|
current = _emon.getCurrent(EMON_SAMPLES);
|
|
current -= EMON_CURRENT_OFFSET;
|
|
if (current < 0) current = 0;
|
|
}
|
|
return current;
|
|
}
|
|
|
|
double _powerVoltage() {
|
|
return _power_voltage;
|
|
}
|
|
|
|
double _powerActivePower() {
|
|
return 0;
|
|
}
|
|
|
|
double _powerApparentPower() {
|
|
return _powerCurrent() * _powerVoltage();
|
|
}
|
|
|
|
double _powerReactivePower() {
|
|
return 0;
|
|
}
|
|
|
|
double _powerPowerFactor() {
|
|
return 1;
|
|
}
|
|
|
|
void _powerEnabledProvider() {
|
|
// Nothing to do
|
|
}
|
|
|
|
void _powerCalibrateProvider(unsigned char magnitude, double value) {
|
|
if (value <= 0) return;
|
|
if (magnitude == POWER_MAGNITUDE_ACTIVE) {
|
|
double power = _powerApparentPower();
|
|
double ratio = getSetting("pwrRatioC", EMON_CURRENT_RATIO).toFloat();
|
|
ratio = ratio * (value / power);
|
|
_emon.setCurrentRatio(ratio);
|
|
setSetting("pwrRatioC", ratio);
|
|
saveSettings();
|
|
}
|
|
if (magnitude == POWER_MAGNITUDE_VOLTAGE) {
|
|
_power_voltage = value;
|
|
setSetting("pwrVoltage", value);
|
|
saveSettings();
|
|
}
|
|
}
|
|
|
|
void _powerResetCalibrationProvider() {
|
|
delSetting("pwrRatioC");
|
|
_powerConfigureProvider();
|
|
saveSettings();
|
|
}
|
|
|
|
void _powerConfigureProvider() {
|
|
_emon.setCurrentRatio(getSetting("pwrRatioC", EMON_CURRENT_RATIO).toFloat());
|
|
_power_voltage = getSetting("pwrVoltage", POWER_VOLTAGE).toFloat();
|
|
}
|
|
|
|
void _powerSetupProvider() {
|
|
|
|
_emon.initCurrent(currentCallback, EMON_ADC_BITS, EMON_REFERENCE_VOLTAGE, EMON_CURRENT_RATIO);
|
|
|
|
#if POWER_PROVIDER == POWER_PROVIDER_EMON_ADC121
|
|
#if I2C_USE_BRZO
|
|
uint8_t buffer[2];
|
|
buffer[0] = ADC121_REG_CONFIG;
|
|
buffer[1] = 0x00;
|
|
brzo_i2c_start_transaction(ADC121_I2C_ADDRESS, I2C_SCL_FREQUENCY);
|
|
brzo_i2c_write(buffer, 2, false);
|
|
brzo_i2c_end_transaction();
|
|
#else
|
|
Wire.beginTransmission(ADC121_I2C_ADDRESS);
|
|
Wire.write(ADC121_REG_CONFIG);
|
|
Wire.write(0x00);
|
|
Wire.endTransmission();
|
|
#endif
|
|
#endif
|
|
|
|
_emon.warmup();
|
|
|
|
}
|
|
|
|
void _powerLoopProvider(bool before) {
|
|
|
|
if (before) {
|
|
|
|
static unsigned long last = 0;
|
|
if (millis() - last > powerReadInterval()) {
|
|
last = millis();
|
|
_power_newdata = true;
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif // (POWER_PROVIDER == POWER_PROVIDER_EMON_ANALOG) || (POWER_PROVIDER == POWER_PROVIDER_EMON_ADC121)
|