Files
esphome/esphome/components/sdm_meter/sdm_meter.cpp
T

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3.3 KiB
C++

#include "sdm_meter.h"
#include "sdm_meter_registers.h"
#include "esphome/core/log.h"
namespace esphome::sdm_meter {
namespace helpers = modbus::helpers;
static const char *const TAG = "sdm_meter";
static const uint8_t MODBUS_REGISTER_COUNT = 80; // 80 x 16-bit registers (40 float values)
void SDMMeter::on_read_input_registers(uint16_t start_address, std::span<const uint16_t> registers,
modbus::ResponseStatus status) {
if (!modbus::succeeded(status))
return; // the hub already logs exception responses
// Publish a sensor if both of its registers are in this response; skipping absent registers keeps
// this correct for any read range, so the poll may be split into multiple requests.
auto publish = [&](uint16_t reg, sensor::Sensor *sensor) {
if (sensor == nullptr)
return;
if (auto value = helpers::value_at<helpers::SensorValueType::FP32>(registers, start_address, reg))
sensor->publish_state(*value);
};
for (uint8_t i = 0; i < 3; i++) {
auto &phase = this->phases_[i];
if (!phase.setup)
continue;
publish(SDM_PHASE_1_VOLTAGE + i * 2, phase.voltage_sensor_);
publish(SDM_PHASE_1_CURRENT + i * 2, phase.current_sensor_);
publish(SDM_PHASE_1_ACTIVE_POWER + i * 2, phase.active_power_sensor_);
publish(SDM_PHASE_1_APPARENT_POWER + i * 2, phase.apparent_power_sensor_);
publish(SDM_PHASE_1_REACTIVE_POWER + i * 2, phase.reactive_power_sensor_);
publish(SDM_PHASE_1_POWER_FACTOR + i * 2, phase.power_factor_sensor_);
publish(SDM_PHASE_1_ANGLE + i * 2, phase.phase_angle_sensor_);
}
publish(SDM_TOTAL_SYSTEM_POWER, this->total_power_sensor_);
publish(SDM_FREQUENCY, this->frequency_sensor_);
publish(SDM_IMPORT_ACTIVE_ENERGY, this->import_active_energy_sensor_);
publish(SDM_EXPORT_ACTIVE_ENERGY, this->export_active_energy_sensor_);
publish(SDM_IMPORT_REACTIVE_ENERGY, this->import_reactive_energy_sensor_);
publish(SDM_EXPORT_REACTIVE_ENERGY, this->export_reactive_energy_sensor_);
}
void SDMMeter::update() { this->read_input_registers(0, MODBUS_REGISTER_COUNT); }
void SDMMeter::dump_config() {
ESP_LOGCONFIG(TAG,
"SDM Meter:\n"
" Address: 0x%02X",
this->address_);
for (uint8_t i = 0; i < 3; i++) {
auto phase = this->phases_[i];
if (!phase.setup)
continue;
ESP_LOGCONFIG(TAG, " Phase %c", i + 'A');
LOG_SENSOR(" ", "Voltage", phase.voltage_sensor_);
LOG_SENSOR(" ", "Current", phase.current_sensor_);
LOG_SENSOR(" ", "Active Power", phase.active_power_sensor_);
LOG_SENSOR(" ", "Apparent Power", phase.apparent_power_sensor_);
LOG_SENSOR(" ", "Reactive Power", phase.reactive_power_sensor_);
LOG_SENSOR(" ", "Power Factor", phase.power_factor_sensor_);
LOG_SENSOR(" ", "Phase Angle", phase.phase_angle_sensor_);
}
LOG_SENSOR(" ", "Total Power", this->total_power_sensor_);
LOG_SENSOR(" ", "Frequency", this->frequency_sensor_);
LOG_SENSOR(" ", "Import Active Energy", this->import_active_energy_sensor_);
LOG_SENSOR(" ", "Export Active Energy", this->export_active_energy_sensor_);
LOG_SENSOR(" ", "Import Reactive Energy", this->import_reactive_energy_sensor_);
LOG_SENSOR(" ", "Export Reactive Energy", this->export_reactive_energy_sensor_);
}
} // namespace esphome::sdm_meter