+/**
+ * Macro used to convert data from adc range (0...(2 ^ADC_BITS - 1)) to
+ * \a y1 ... \a y2 range.
+ * \note \a y1, \a y2 can be negative, and put in ascending or descending order as well.
+ * \note \a data and \a y2 are evaluated only once, \a y1 twice.
+ */
+#define ADC_RANGECONV(data, y1, y2) ((((data) * ((y2) - (y1))) / ((1 << ADC_BITS) - 1)) + (y1))
+