diff options
Diffstat (limited to 'include/driver/temp_sensor/thermistor.h')
| -rw-r--r-- | include/driver/temp_sensor/thermistor.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/include/driver/temp_sensor/thermistor.h b/include/driver/temp_sensor/thermistor.h index 7ebe2b42ac..adcd5c5be4 100644 --- a/include/driver/temp_sensor/thermistor.h +++ b/include/driver/temp_sensor/thermistor.h @@ -147,4 +147,20 @@ int get_temp_3v0_22k6_47k_4050b(int idx_adc, int *temp_ptr); int get_temp_3v3_30k9_47k_4050b(int idx_adc, int *temp_ptr); #endif -#endif /* __CROS_EC_TEMP_SENSOR_THERMISTOR_NCP15WB_H */ +/** + * Reads the sensor's ADC channel and uses a lookup table and interpolation to + * argument thermistor_info for interpolation to return a temperature in degrees + * K. + * + * @param idx_adc The idx value from the temp_sensor_t struct, which is + * the ADC channel to read and convert to degrees K + * @param temp_ptr Destination for temperature (in degrees K) + * @param info Structure containing information about the underlying thermistor + * that is necessary to interpolate temperature + * + * @return EC_SUCCESS, or non-zero if error. + */ +int thermistor_get_temperature(int idx_adc, int *temp_ptr, + const struct thermistor_info *info); + +#endif /* __CROS_EC_TEMP_SENSOR_THERMISTOR_NCP15WB_H */ |