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.
130 lines
3.0 KiB
130 lines
3.0 KiB
/*
|
|
|
|
EMON MODULE
|
|
|
|
Copyright (C) 2016-2017 by Xose Pérez <xose dot perez at gmail dot com>
|
|
|
|
*/
|
|
|
|
#if ENABLE_EMON
|
|
|
|
#include <EmonLiteESP.h>
|
|
|
|
EmonLiteESP emon;
|
|
double _current = 0;
|
|
unsigned int _power = 0;
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// EMON
|
|
// -----------------------------------------------------------------------------
|
|
|
|
void setCurrentRatio(float value) {
|
|
emon.setCurrentRatio(value);
|
|
}
|
|
|
|
unsigned int getPower() {
|
|
return _power;
|
|
}
|
|
|
|
double getCurrent() {
|
|
return _current;
|
|
}
|
|
|
|
unsigned int currentCallback() {
|
|
return analogRead(EMON_CURRENT_PIN);
|
|
}
|
|
|
|
void powerMonitorSetup() {
|
|
|
|
// backwards compatibility
|
|
String tmp;
|
|
tmp = getSetting("pwMainsVoltage", EMON_MAINS_VOLTAGE);
|
|
setSetting("emonMains", tmp);
|
|
delSetting("pwMainsVoltage");
|
|
tmp = getSetting("pwCurrentRatio", EMON_CURRENT_RATIO);
|
|
setSetting("emonRatio", tmp);
|
|
delSetting("pwCurrentRatio");
|
|
|
|
emon.initCurrent(
|
|
currentCallback,
|
|
EMON_ADC_BITS,
|
|
EMON_REFERENCE_VOLTAGE,
|
|
getSetting("emonRatio", EMON_CURRENT_RATIO).toFloat()
|
|
);
|
|
emon.setPrecision(EMON_CURRENT_PRECISION);
|
|
|
|
apiRegister("/api/power", "power", [](char * buffer, size_t len) {
|
|
snprintf(buffer, len, "%d", _power);
|
|
});
|
|
|
|
}
|
|
|
|
void powerMonitorLoop() {
|
|
|
|
static unsigned long next_measurement = millis();
|
|
static bool warmup = true;
|
|
static byte measurements = 0;
|
|
static double max = 0;
|
|
static double min = 0;
|
|
static double sum = 0;
|
|
|
|
if (!mqttConnected()) return;
|
|
|
|
if (warmup) {
|
|
warmup = false;
|
|
emon.warmup();
|
|
}
|
|
|
|
if (millis() > next_measurement) {
|
|
|
|
// Safety check: do not read current if relay is OFF
|
|
if (!relayStatus(0)) {
|
|
_current = 0;
|
|
} else {
|
|
_current = emon.getCurrent(EMON_SAMPLES);
|
|
_current -= EMON_CURRENT_OFFSET;
|
|
if (_current < 0) _current = 0;
|
|
}
|
|
|
|
if (measurements == 0) {
|
|
max = min = _current;
|
|
} else {
|
|
if (_current > max) max = _current;
|
|
if (_current < min) min = _current;
|
|
}
|
|
sum += _current;
|
|
++measurements;
|
|
|
|
float mainsVoltage = getSetting("emonMains", EMON_MAINS_VOLTAGE).toFloat();
|
|
|
|
//DEBUG_MSG("[ENERGY] Power now: %dW\n", int(_current * mainsVoltage));
|
|
|
|
// Update websocket clients
|
|
char text[20];
|
|
sprintf_P(text, PSTR("{\"emonPower\": %d}"), int(_current * mainsVoltage));
|
|
wsSend(text);
|
|
|
|
// Send MQTT messages averaged every EMON_MEASUREMENTS
|
|
if (measurements == EMON_MEASUREMENTS) {
|
|
|
|
_power = (int) ((sum - max - min) * mainsVoltage / (measurements - 2));
|
|
sum = 0;
|
|
measurements = 0;
|
|
|
|
char power[6];
|
|
snprintf(power, "%d", 6, _power);
|
|
mqttSend(getSetting("emonPowerTopic", EMON_POWER_TOPIC).c_str(), power);
|
|
#if ENABLE_DOMOTICZ
|
|
domoticzSend("dczPowIdx", power);
|
|
#endif
|
|
|
|
|
|
}
|
|
|
|
next_measurement += EMON_INTERVAL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|