implement voltage to ppm for example

[apps/native/st-things-co2-meter.git] / inc / co2-sensor.h

diff --git a/inc/co2-sensor.h b/inc/co2-sensor.h
index d9ee219..d3b2b39 100644 (file)
--- a/inc/co2-sensor.h
+++ b/inc/co2-sensor.h
@@ -34,9 +34,11 @@ void co2_sensor_close(void);
 /* utility functions */
 double co2_sensor_value_to_voltage(unsigned int value);
 
-/* Not implemented, please see comment in c source code */
+
+/* Fallowing functions art Not implemented, please see comments in c source code */
+int co2_sensor_set_calibration_values(unsigned int zero_point_v,
+               unsigned int second_point_ppm, unsigned int second_point_v);
 unsigned int co2_sensor_voltage_to_ppm(double voltage);
 unsigned int co2_sensor_value_to_ppm(unsigned int value);
 
 #endif /* __CO2_SENSOR_H__ */
-