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scd30: Allow setting ambient pressure compensation (#1365)

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Michel Marti 2020-11-15 19:03:08 +01:00 committed by GitHub
parent b493d5bba5
commit f2d218e5ad
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 13 additions and 1 deletions
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3
esphome/components/scd30/scd30.cpp
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@ -44,7 +44,7 @@ void SCD30Component::setup() {
uint16_t(raw_firmware_version[0] & 0xFF));
/// Sensor initialization
if (!this->write_command_(SCD30_CMD_START_CONTINUOUS_MEASUREMENTS, 0)) {
if (!this->write_command_(SCD30_CMD_START_CONTINUOUS_MEASUREMENTS, this->ambient_pressure_compensation_)) {
ESP_LOGE(TAG, "Sensor SCD30 error starting continuous measurements.");
this->error_code_ = MEASUREMENT_INIT_FAILED;
this->mark_failed();
@ -94,6 +94,7 @@ void SCD30Component::dump_config() {
ESP_LOGCONFIG(TAG, " Altitude compensation: %dm", this->altitude_compensation_);
}
ESP_LOGCONFIG(TAG, " Automatic self calibration: %s", ONOFF(this->enable_asc_));
ESP_LOGCONFIG(TAG, " Ambient pressure compensation: %dmBar", this->ambient_pressure_compensation_);
LOG_UPDATE_INTERVAL(this);
LOG_SENSOR(" ", "CO2", this->co2_sensor_);
LOG_SENSOR(" ", "Temperature", this->temperature_sensor_);

4
esphome/components/scd30/scd30.h
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@ -15,6 +15,9 @@ class SCD30Component : public PollingComponent, public i2c::I2CDevice {
void set_temperature_sensor(sensor::Sensor *temperature) { temperature_sensor_ = temperature; }
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_ = (uint16_t)(pressure * 1000);
}
void setup() override;
void update() override;
@ -35,6 +38,7 @@ class SCD30Component : public PollingComponent, public i2c::I2CDevice {
} error_code_{UNKNOWN};
bool enable_asc_{true};
uint16_t altitude_compensation_{0xFFFF};
uint16_t ambient_pressure_compensation_{0x0000};
sensor::Sensor *co2_sensor_{nullptr};
sensor::Sensor *humidity_sensor_{nullptr};

5
esphome/components/scd30/sensor.py
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@ -13,6 +13,7 @@ SCD30Component = scd30_ns.class_('SCD30Component', cg.PollingComponent, i2c.I2CD
CONF_AUTOMATIC_SELF_CALIBRATION = 'automatic_self_calibration'
CONF_ALTITUDE_COMPENSATION = 'altitude_compensation'
CONF_AMBIENT_PRESSURE_COMPENSATION = 'ambient_pressure_compensation'
def remove_altitude_suffix(value):
@ -29,6 +30,7 @@ CONFIG_SCHEMA = cv.Schema({
cv.Optional(CONF_ALTITUDE_COMPENSATION): cv.All(remove_altitude_suffix,
cv.int_range(min=0, max=0xFFFF,
max_included=False)),
cv.Optional(CONF_AMBIENT_PRESSURE_COMPENSATION, default=0): cv.pressure,
}).extend(cv.polling_component_schema('60s')).extend(i2c.i2c_device_schema(0x61))
@ -41,6 +43,9 @@ def to_code(config):
if CONF_ALTITUDE_COMPENSATION in config:
cg.add(var.set_altitude_compensation(config[CONF_ALTITUDE_COMPENSATION]))
if CONF_AMBIENT_PRESSURE_COMPENSATION in config:
cg.add(var.set_ambient_pressure_compensation(config[CONF_AMBIENT_PRESSURE_COMPENSATION]))
if CONF_CO2 in config:
sens = yield sensor.new_sensor(config[CONF_CO2])
cg.add(var.set_co2_sensor(sens))

1
esphome/config_validation.py
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@ -622,6 +622,7 @@ _temperature_c = float_with_unit("temperature", "(°C|° C|°|C)?")
_temperature_k = float_with_unit("temperature", "(° K|° K|K)?")
_temperature_f = float_with_unit("temperature", "(°F|° F|F)?")
decibel = float_with_unit("decibel", "(dB|dBm|db|dbm)", optional_unit=True)
pressure = float_with_unit("pressure", "(bar|Bar)", optional_unit=True)
def temperature(value):

1
tests/test1.yaml
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@ -618,6 +618,7 @@ sensor:
update_interval: 15s
automatic_self_calibration: true
altitude_compensation: 10m
ambient_pressure_compensation: 961mBar
- platform: sgp30
eco2:
name: "Workshop eCO2"