void psensor_set_current_measure(struct psensor *sensor, double value,
struct timeval tv);
-double psensor_get_current_value(struct psensor *sensor);
+double psensor_get_current_value(const struct psensor *);
struct measure *psensor_get_current_measure(struct psensor *sensor);
double celcius_to_fahrenheit(double c);
double fahrenheit_to_celcius(double c);
+char *psensor_current_value_to_str(const struct psensor *, unsigned int);
void psensor_log_measures(struct psensor **sensors);