sysfs-bus-iio-chemical-sgp40 (969B)
1What: /sys/bus/iio/devices/iio:deviceX/out_temp_raw 2Date: August 2021 3KernelVersion: 5.15 4Contact: Andreas Klinger <ak@it-klinger.de> 5Description: 6 Set the temperature. This value is sent to the sensor for 7 temperature compensation. 8 Default value: 25000 (25 °C) 9 10What: /sys/bus/iio/devices/iio:deviceX/out_humidityrelative_raw 11Date: August 2021 12KernelVersion: 5.15 13Contact: Andreas Klinger <ak@it-klinger.de> 14Description: 15 Set the relative humidity. This value is sent to the sensor for 16 humidity compensation. 17 Default value: 50000 (50 % relative humidity) 18 19What: /sys/bus/iio/devices/iio:deviceX/in_resistance_calibbias 20Date: August 2021 21KernelVersion: 5.15 22Contact: Andreas Klinger <ak@it-klinger.de> 23Description: 24 Set the bias value for the resistance which is used for 25 calculation of in_concentration_input as follows: 26 27 x = (in_resistance_raw - in_resistance_calibbias) * 0.65 28 29 in_concentration_input = 500 / (1 + e^x) 30 31 Default value: 30000