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[ade7880] Fix reverse active energy reading from reserved register (#16822)

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This commit is contained in:
Jonathan Swoboda
2026-06-08 20:30:03 -04:00
committed by GitHub
parent 6e01f3fccd
commit a32817207c
3 changed files with 21 additions and 27 deletions
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41
esphome/components/ade7880/ade7880.cpp
View File

@@ -87,14 +87,24 @@ void ADE7880::update_sensor_from_s16_register16_(sensor::Sensor *sensor, uint16_
sensor->publish_state(f(val));
}
template<typename F>
void ADE7880::update_sensor_from_s32_register16_(sensor::Sensor *sensor, uint16_t a_register, F &&f) {
if (sensor == nullptr) {
void ADE7880::update_active_energy_(PowerChannel *channel, uint16_t a_register) {
if (channel->forward_active_energy == nullptr && channel->reverse_active_energy == nullptr) {
return;
}
float val = this->read_s32_register16_(a_register);
sensor->publish_state(f(val));
// The ADE7880 has no separate forward/reverse active energy accumulators. The xWATTHR registers
// accumulate signed energy since the last read (positive = imported/forward, negative = exported/
// reverse), so split the value by sign into the forward and reverse running totals.
float val = this->read_s32_register16_(a_register) / 14400.0f;
if (val >= 0.0f) {
if (channel->forward_active_energy != nullptr) {
channel->forward_active_energy->publish_state(channel->forward_active_energy_total += val);
}
} else {
if (channel->reverse_active_energy != nullptr) {
channel->reverse_active_energy->publish_state(channel->reverse_active_energy_total -= val);
}
}
}
void ADE7880::update() {
@@ -117,12 +127,7 @@ void ADE7880::update() {
this->update_sensor_from_s24zp_register16_(chan->apparent_power, AVA, [](float val) { return val / 100.0f; });
this->update_sensor_from_s16_register16_(chan->power_factor, APF,
[](float val) { return std::abs(val / -327.68f); });
this->update_sensor_from_s32_register16_(chan->forward_active_energy, AFWATTHR, [&chan](float val) {
return chan->forward_active_energy_total += val / 14400.0f;
});
this->update_sensor_from_s32_register16_(chan->reverse_active_energy, ARWATTHR, [&chan](float val) {
return chan->reverse_active_energy_total += val / 14400.0f;
});
this->update_active_energy_(chan, AWATTHR);
}
if (this->channel_b_ != nullptr) {
@@ -133,12 +138,7 @@ void ADE7880::update() {
this->update_sensor_from_s24zp_register16_(chan->apparent_power, BVA, [](float val) { return val / 100.0f; });
this->update_sensor_from_s16_register16_(chan->power_factor, BPF,
[](float val) { return std::abs(val / -327.68f); });
this->update_sensor_from_s32_register16_(chan->forward_active_energy, BFWATTHR, [&chan](float val) {
return chan->forward_active_energy_total += val / 14400.0f;
});
this->update_sensor_from_s32_register16_(chan->reverse_active_energy, BRWATTHR, [&chan](float val) {
return chan->reverse_active_energy_total += val / 14400.0f;
});
this->update_active_energy_(chan, BWATTHR);
}
if (this->channel_c_ != nullptr) {
@@ -149,12 +149,7 @@ void ADE7880::update() {
this->update_sensor_from_s24zp_register16_(chan->apparent_power, CVA, [](float val) { return val / 100.0f; });
this->update_sensor_from_s16_register16_(chan->power_factor, CPF,
[](float val) { return std::abs(val / -327.68f); });
this->update_sensor_from_s32_register16_(chan->forward_active_energy, CFWATTHR, [&chan](float val) {
return chan->forward_active_energy_total += val / 14400.0f;
});
this->update_sensor_from_s32_register16_(chan->reverse_active_energy, CRWATTHR, [&chan](float val) {
return chan->reverse_active_energy_total += val / 14400.0f;
});
this->update_active_energy_(chan, CWATTHR);
}
ESP_LOGD(TAG, "update took %" PRIu32 " ms", millis() - start);

3
esphome/components/ade7880/ade7880.h
View File

@@ -105,7 +105,8 @@ class ADE7880 : public i2c::I2CDevice, public PollingComponent {
// the callable will be passed a 'float' value and is expected to return a 'float'
template<typename F> void update_sensor_from_s24zp_register16_(sensor::Sensor *sensor, uint16_t a_register, F &&f);
template<typename F> void update_sensor_from_s16_register16_(sensor::Sensor *sensor, uint16_t a_register, F &&f);
template<typename F> void update_sensor_from_s32_register16_(sensor::Sensor *sensor, uint16_t a_register, F &&f);
void update_active_energy_(PowerChannel *channel, uint16_t a_register);
void reset_device_();

4
esphome/components/ade7880/ade7880_registers.h
View File

@@ -84,9 +84,7 @@ constexpr uint16_t CWATTHR = 0xE402;
constexpr uint16_t AFWATTHR = 0xE403;
constexpr uint16_t BFWATTHR = 0xE404;
constexpr uint16_t CFWATTHR = 0xE405;
constexpr uint16_t ARWATTHR = 0xE406;
constexpr uint16_t BRWATTHR = 0xE407;
constexpr uint16_t CRWATTHR = 0xE408;
// 0xE406-0xE408 are reserved on the ADE7880 (it does not implement total reactive energy accumulation)
constexpr uint16_t AFVARHR = 0xE409;
constexpr uint16_t BFVARHR = 0xE40A;
constexpr uint16_t CFVARHR = 0xE40B;