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61 lines
2.1 KiB
C++
61 lines
2.1 KiB
C++
// for Honeywell ABP sensor
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// adapting code from https://github.com/vwls/Honeywell_pressure_sensors
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#pragma once
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#include "esphome/components/sensor/sensor.h"
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#include "esphome/components/i2c/i2c.h"
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#include "esphome/core/hal.h"
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#include "esphome/core/component.h"
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namespace esphome {
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namespace honeywellabp2_i2c {
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enum ABP2TRANFERFUNCTION { ABP2_TRANS_FUNC_A = 0, ABP2_TRANS_FUNC_B = 1 };
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class HONEYWELLABP2Sensor : public PollingComponent, public i2c::I2CDevice {
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public:
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void set_pressure_sensor(sensor::Sensor *pressure_sensor) { this->pressure_sensor_ = pressure_sensor; };
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void set_temperature_sensor(sensor::Sensor *temperature_sensor) { this->temperature_sensor_ = temperature_sensor; };
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void loop() override;
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void update() override;
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float get_setup_priority() const override { return setup_priority::DATA; };
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void dump_config() override;
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void read_sensor_data();
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void start_measurement();
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bool is_measurement_ready();
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void measurement_timeout();
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float get_pressure();
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float get_temperature();
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void set_min_pressure(float min_pressure) { this->min_pressure_ = min_pressure; };
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void set_max_pressure(float max_pressure) { this->max_pressure_ = max_pressure; };
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void set_transfer_function(ABP2TRANFERFUNCTION transfer_function);
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protected:
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float min_pressure_ = 0.0;
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float max_pressure_ = 0.0;
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ABP2TRANFERFUNCTION transfer_function_ = ABP2_TRANS_FUNC_A;
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sensor::Sensor *pressure_sensor_{nullptr};
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sensor::Sensor *temperature_sensor_{nullptr};
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const float max_count_a_ = 15099494.4; // (90% of 2^24 counts or 0xE66666)
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const float min_count_a_ = 1677721.6; // (10% of 2^24 counts or 0x19999A)
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const float max_count_b_ = 11744051.2; // (70% of 2^24 counts or 0xB33333)
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const float min_count_b_ = 5033164.8; // (30% of 2^24 counts or 0x4CCCCC)
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float max_count_;
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float min_count_;
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bool measurement_running_ = false;
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uint8_t raw_data_[7]; // holds output data
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uint8_t i2c_cmd_[3] = {0xAA, 0x00, 0x00}; // command to be sent
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float last_pressure_;
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float last_temperature_;
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};
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} // namespace honeywellabp2_i2c
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} // namespace esphome
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