uint8_t convert_a2l_threshold(float threshold, float value);
uint8_t convert_a2l_schmitt_trigger(float lo_thr, float hi_thr,
float value, uint8_t &state);
uint8_t convert_a2l_threshold(float threshold, float value);
uint8_t convert_a2l_schmitt_trigger(float lo_thr, float hi_thr,
float value, uint8_t &state);