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Code Issues Releases Wiki Activity

CSE7766: Fix energy calculation (#6286)

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Co-authored-by: DAVe3283 <DAVe3283+GitHub@gmail.com>
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puuu 2024-02-27 12:47:45 +09:00 committed by Jesse Hills
parent cc115e7cc9
commit a3fc1acdcb
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GPG Key ID: BEAAE804EFD8E83A
2 changed files with 15 additions and 25 deletions
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36
esphome/components/cse7766/cse7766.cpp
View File

@ -118,7 +118,7 @@ void CSE7766Component::parse_data_() {
uint32_t power_coeff = this->get_24_bit_uint_(14);
uint32_t power_cycle = this->get_24_bit_uint_(17);
uint8_t adj = this->raw_data_[20];
uint32_t cf_pulses = (this->raw_data_[21] << 8) + this->raw_data_[22];
uint16_t cf_pulses = (this->raw_data_[21] << 8) + this->raw_data_[22];
bool have_power = adj & 0x10;
bool have_current = adj & 0x20;
@ -132,8 +132,19 @@ void CSE7766Component::parse_data_() {
}
}
float energy = 0.0;
if (this->energy_sensor_ != nullptr) {
if (this->cf_pulses_last_ == 0 && !this->energy_sensor_->has_state()) {
this->cf_pulses_last_ = cf_pulses;
}
uint16_t cf_diff = cf_pulses - this->cf_pulses_last_;
this->cf_pulses_total_ += cf_diff;
this->cf_pulses_last_ = cf_pulses;
energy = this->cf_pulses_total_ * float(power_coeff) / 1000000.0f / 3600.0f;
this->energy_sensor_->publish_state(energy);
}
float power = 0.0f;
float energy = 0.0f;
if (power_cycle_exceeds_range) {
// Datasheet: power cycle exceeding range means active power is 0
if (this->power_sensor_ != nullptr) {
@ -144,27 +155,6 @@ void CSE7766Component::parse_data_() {
if (this->power_sensor_ != nullptr) {
this->power_sensor_->publish_state(power);
}
// Add CF pulses to the total energy only if we have Power coefficient to multiply by
if (this->cf_pulses_last_ == 0) {
this->cf_pulses_last_ = cf_pulses;
}
uint32_t cf_diff;
if (cf_pulses < this->cf_pulses_last_) {
cf_diff = cf_pulses + (0x10000 - this->cf_pulses_last_);
} else {
cf_diff = cf_pulses - this->cf_pulses_last_;
}
this->cf_pulses_last_ = cf_pulses;
energy = cf_diff * float(power_coeff) / 1000000.0f / 3600.0f;
this->energy_total_ += energy;
if (this->energy_sensor_ != nullptr)
this->energy_sensor_->publish_state(this->energy_total_);
} else if ((this->energy_sensor_ != nullptr) && !this->energy_sensor_->has_state()) {
this->energy_sensor_->publish_state(0);
}
float current = 0.0f;

4
esphome/components/cse7766/cse7766.h
View File

@ -30,8 +30,8 @@ class CSE7766Component : public Component, public uart::UARTDevice {
sensor::Sensor *current_sensor_{nullptr};
sensor::Sensor *power_sensor_{nullptr};
sensor::Sensor *energy_sensor_{nullptr};
float energy_total_{0.0f};
uint32_t cf_pulses_last_{0};
uint32_t cf_pulses_total_{0};
uint16_t cf_pulses_last_{0};
};
} // namespace cse7766