only build sensor features if sensor is available

watch-library/shared/driver/thermistor_driver.h

@@ -22,13 +22,14 @@
  * SOFTWARE.
  */
 
-#ifndef THERMISTOR_DRIVER_H_
-#define THERMISTOR_DRIVER_H_
+#pragma once
+
+#include "pins.h"
+
+#ifdef HAS_TEMPERATURE_SENSOR
 
 // TODO: Do these belong in movement_config.h? In settings we can set on the watch? In an EEPROM configuration area?
 // Think on this. [joey 11/22]
-#define THERMISTOR_SENSE_PIN (A2)
-#define THERMISTOR_ENABLE_PIN (A0)
 #define THERMISTOR_ENABLE_VALUE (false)
 #define THERMISTOR_HIGH_SIDE (true)
 #define THERMISTOR_B_COEFFICIENT (3380.0)
@@ -40,4 +41,4 @@ void thermistor_driver_enable(void);
 void thermistor_driver_disable(void);
 float thermistor_driver_get_temperature(void);
 
-#endif // THERMISTOR_DRIVER_H_
+#endif // HAS_TEMPERATURE_SENSOR