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Code Issues Releases Wiki Activity

Add pressure compensation during runtime (#2493)

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Co-authored-by: Oxan van Leeuwen <oxan@oxanvanleeuwen.nl>
This commit is contained in:
Martin
2021-10-14 11:24:57 +02:00
committed by GitHub
parent 4896f870f0
commit 8823024509
3 changed files with 97 additions and 54 deletions
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9
esphome/components/scd4x/scd4x.h
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@@ -18,10 +18,8 @@ class SCD4XComponent : public PollingComponent, public i2c::I2CDevice {
void set_automatic_self_calibration(bool asc) { enable_asc_ = asc; }
void set_altitude_compensation(uint16_t altitude) { altitude_compensation_ = altitude; }
void set_ambient_pressure_compensation(float pressure) {
ambient_pressure_compensation_ = true;
ambient_pressure_ = (uint16_t)(pressure * 1000);
}
void set_ambient_pressure_compensation(float pressure_in_bar);
void set_ambient_pressure_source(sensor::Sensor *pressure) { ambient_pressure_source_ = pressure; }
void set_temperature_offset(float offset) { temperature_offset_ = offset; };
void set_co2_sensor(sensor::Sensor *co2) { co2_sensor_ = co2; }
@@ -33,6 +31,7 @@ class SCD4XComponent : public PollingComponent, public i2c::I2CDevice {
bool read_data_(uint16_t *data, uint8_t len);
bool write_command_(uint16_t command);
bool write_command_(uint16_t command, uint16_t data);
bool update_ambient_pressure_compensation_(uint16_t pressure_in_hpa);
ERRORCODE error_code_;
@@ -47,6 +46,8 @@ class SCD4XComponent : public PollingComponent, public i2c::I2CDevice {
sensor::Sensor *co2_sensor_{nullptr};
sensor::Sensor *temperature_sensor_{nullptr};
sensor::Sensor *humidity_sensor_{nullptr};
// used for compensation
sensor::Sensor *ambient_pressure_source_{nullptr};
};
} // namespace scd4x