esphome/esphome/components/ufire_ec/ufire_ec.cpp
2022-09-13 11:17:33 +12:00

118 lines
3.6 KiB
C++

#include "esphome/core/log.h"
#include "ufire_ec.h"
namespace esphome {
namespace ufire_ec {
static const char *const TAG = "ufire_ec";
void UFireECComponent::setup() {
ESP_LOGCONFIG(TAG, "Setting up uFire_ec...");
uint8_t version;
if (!this->read_byte(REGISTER_VERSION, &version) && version != 0xFF) {
this->mark_failed();
return;
}
ESP_LOGI(TAG, "Found ufire_ec board version 0x%02X", version);
// Write option for temperature adjustments
uint8_t config;
this->read_byte(REGISTER_CONFIG, &config);
if (this->temperature_sensor_ == nullptr && this->temperature_sensor_external_ == nullptr) {
config &= ~CONFIG_TEMP_COMPENSATION;
} else {
config |= CONFIG_TEMP_COMPENSATION;
}
this->write_byte(REGISTER_CONFIG, config);
// Update temperature compensation
this->set_compensation_(this->temperature_compensation_);
this->set_coefficient_(this->temperature_coefficient_);
}
void UFireECComponent::update() {
int wait = 0;
if (this->temperature_sensor_ != nullptr) {
this->write_byte(REGISTER_TASK, COMMAND_MEASURE_TEMP);
wait += 750;
} else if (this->temperature_sensor_external_ != nullptr) {
this->set_temperature_(this->temperature_sensor_external_->state);
}
if (this->ec_sensor_ != nullptr) {
this->write_byte(REGISTER_TASK, COMMAND_MEASURE_EC);
wait += 750;
}
if (wait > 0) {
this->set_timeout("data", wait, [this]() { this->update_internal_(); });
}
}
void UFireECComponent::update_internal_() {
if (this->temperature_sensor_ != nullptr)
this->temperature_sensor_->publish_state(this->measure_temperature_());
if (this->ec_sensor_ != nullptr)
this->ec_sensor_->publish_state(this->measure_ms_());
}
float UFireECComponent::measure_temperature_() { return this->read_data_(REGISTER_TEMP); }
float UFireECComponent::measure_ms_() { return this->read_data_(REGISTER_MS); }
void UFireECComponent::set_solution_(float solution, float temperature) {
solution /= (1 - (this->temperature_coefficient_ * (temperature - 25)));
this->write_data_(REGISTER_SOLUTION, solution);
}
void UFireECComponent::set_compensation_(float temperature) { this->write_data_(REGISTER_COMPENSATION, temperature); }
void UFireECComponent::set_coefficient_(float coefficient) { this->write_data_(REGISTER_COEFFICENT, coefficient); }
void UFireECComponent::set_temperature_(float temperature) { this->write_data_(REGISTER_TEMP, temperature); }
void UFireECComponent::calibrate_probe(float solution, float temperature) {
this->set_solution_(solution, temperature);
this->write_byte(REGISTER_TASK, COMMAND_CALIBRATE_PROBE);
}
void UFireECComponent::reset_board() { this->write_data_(REGISTER_CALIBRATE_OFFSET, NAN); }
float UFireECComponent::read_data_(uint8_t reg) {
float f;
uint8_t temp[4];
this->write(&reg, 1);
delay(10);
for (uint8_t i = 0; i < 4; i++) {
this->read_bytes_raw(temp + i, 1);
}
memcpy(&f, temp, sizeof(f));
return f;
}
void UFireECComponent::write_data_(uint8_t reg, float data) {
uint8_t temp[4];
memcpy(temp, &data, sizeof(data));
this->write_bytes(reg, temp, 4);
delay(10);
}
void UFireECComponent::dump_config() {
ESP_LOGCONFIG(TAG, "uFire-EC");
LOG_I2C_DEVICE(this)
LOG_UPDATE_INTERVAL(this)
LOG_SENSOR(" ", "EC Sensor", this->ec_sensor_)
LOG_SENSOR(" ", "Temperature Sensor", this->temperature_sensor_)
LOG_SENSOR(" ", "Temperature Sensor external", this->temperature_sensor_external_)
ESP_LOGCONFIG(TAG, " Temperature Compensation: %f", this->temperature_compensation_);
ESP_LOGCONFIG(TAG, " Temperature Coefficient: %f", this->temperature_coefficient_);
}
} // namespace ufire_ec
} // namespace esphome