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51 lines
1.8 KiB
C++
51 lines
1.8 KiB
C++
#pragma once
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#include "esphome/core/component.h"
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#include "esphome/components/sensor/sensor.h"
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#include "esphome/components/i2c/i2c.h"
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namespace esphome {
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namespace scd30 {
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/// This class implements support for the Sensirion scd30 i2c GAS (VOC and CO2eq) sensors.
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class SCD30Component : public PollingComponent, public i2c::I2CDevice {
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public:
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void set_co2_sensor(sensor::Sensor *co2) { co2_sensor_ = co2; }
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void set_humidity_sensor(sensor::Sensor *humidity) { humidity_sensor_ = humidity; }
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void set_temperature_sensor(sensor::Sensor *temperature) { temperature_sensor_ = temperature; }
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void set_automatic_self_calibration(bool asc) { enable_asc_ = asc; }
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void set_altitude_compensation(uint16_t altitude) { altitude_compensation_ = altitude; }
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void set_ambient_pressure_compensation(float pressure) {
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ambient_pressure_compensation_ = (uint16_t)(pressure * 1000);
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}
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void set_temperature_offset(float offset) { temperature_offset_ = offset; }
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void setup() override;
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void update() override;
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void dump_config() override;
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float get_setup_priority() const override { return setup_priority::DATA; }
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protected:
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bool write_command_(uint16_t command);
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bool write_command_(uint16_t command, uint16_t data);
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bool read_data_(uint16_t *data, uint8_t len);
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uint8_t sht_crc_(uint8_t data1, uint8_t data2);
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enum ErrorCode {
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COMMUNICATION_FAILED,
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FIRMWARE_IDENTIFICATION_FAILED,
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MEASUREMENT_INIT_FAILED,
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UNKNOWN
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} error_code_{UNKNOWN};
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bool enable_asc_{true};
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uint16_t altitude_compensation_{0xFFFF};
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uint16_t ambient_pressure_compensation_{0x0000};
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float temperature_offset_{0.0};
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sensor::Sensor *co2_sensor_{nullptr};
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sensor::Sensor *humidity_sensor_{nullptr};
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sensor::Sensor *temperature_sensor_{nullptr};
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};
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} // namespace scd30
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} // namespace esphome
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