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esphome/esphome/components/honeywellabp2_i2c/honeywellabp2.cpp
Thomas Rupprecht 487e1f871f use `encode_uintXX` (#8847)
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
2025-06-11 17:06:45 +12:00

112 lines
3.5 KiB
C++

#include "honeywellabp2.h"
#include "esphome/core/helpers.h"
#include "esphome/core/log.h"
namespace esphome {
namespace honeywellabp2_i2c {
static const uint8_t STATUS_BIT_POWER = 6;
static const uint8_t STATUS_BIT_BUSY = 5;
static const uint8_t STATUS_BIT_ERROR = 2;
static const uint8_t STATUS_MATH_SAT = 0;
static const char *const TAG = "honeywellabp2";
void HONEYWELLABP2Sensor::read_sensor_data() {
if (this->read(raw_data_, 7) != i2c::ERROR_OK) {
ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
this->status_set_warning("couldn't read sensor data");
return;
}
float press_counts = encode_uint24(raw_data_[1], raw_data_[2], raw_data_[3]); // calculate digital pressure counts
float temp_counts = encode_uint24(raw_data_[4], raw_data_[5], raw_data_[6]); // calculate digital temperature counts
this->last_pressure_ = (((press_counts - this->min_count_) / (this->max_count_ - this->min_count_)) *
(this->max_pressure_ - this->min_pressure_)) +
this->min_pressure_;
this->last_temperature_ = (temp_counts * 200 / 16777215) - 50;
this->status_clear_warning();
}
void HONEYWELLABP2Sensor::start_measurement() {
if (this->write(i2c_cmd_, 3) != i2c::ERROR_OK) {
ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
this->status_set_warning("couldn't start measurement");
return;
}
this->measurement_running_ = true;
}
bool HONEYWELLABP2Sensor::is_measurement_ready() {
if (this->read(raw_data_, 1) != i2c::ERROR_OK) {
ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
this->status_set_warning("couldn't check measurement");
return false;
}
if ((raw_data_[0] & (0x1 << STATUS_BIT_BUSY)) > 0) {
return false;
}
this->measurement_running_ = false;
return true;
}
void HONEYWELLABP2Sensor::measurement_timeout() {
ESP_LOGE(TAG, "Timeout!");
this->measurement_running_ = false;
this->status_set_warning("measurement timed out");
}
float HONEYWELLABP2Sensor::get_pressure() { return this->last_pressure_; }
float HONEYWELLABP2Sensor::get_temperature() { return this->last_temperature_; }
void HONEYWELLABP2Sensor::loop() {
if (this->measurement_running_) {
if (this->is_measurement_ready()) {
this->cancel_timeout("meas_timeout");
this->read_sensor_data();
if (pressure_sensor_ != nullptr) {
this->pressure_sensor_->publish_state(this->get_pressure());
}
if (temperature_sensor_ != nullptr) {
this->temperature_sensor_->publish_state(this->get_temperature());
}
}
}
}
void HONEYWELLABP2Sensor::update() {
ESP_LOGV(TAG, "Update Honeywell ABP2 Sensor");
this->start_measurement();
this->set_timeout("meas_timeout", 100, [this] { this->measurement_timeout(); });
}
void HONEYWELLABP2Sensor::dump_config() {
ESP_LOGCONFIG(TAG,
" Min Pressure Range: %0.1f\n"
" Max Pressure Range: %0.1f",
this->min_pressure_, this->max_pressure_);
if (this->transfer_function_ == ABP2_TRANS_FUNC_A) {
ESP_LOGCONFIG(TAG, " Transfer function A");
} else {
ESP_LOGCONFIG(TAG, " Transfer function B");
}
LOG_UPDATE_INTERVAL(this);
}
void HONEYWELLABP2Sensor::set_transfer_function(ABP2TRANFERFUNCTION transfer_function) {
this->transfer_function_ = transfer_function;
if (this->transfer_function_ == ABP2_TRANS_FUNC_B) {
this->max_count_ = this->max_count_b_;
this->min_count_ = this->min_count_b_;
} else {
this->max_count_ = this->max_count_a_;
this->min_count_ = this->min_count_a_;
}
}
} // namespace honeywellabp2_i2c
} // namespace esphome