Correct typo

[bertos.git] / bertos / drv / adc.h

diff --git a/bertos/drv/adc.h b/bertos/drv/adc.h
index 91f1ebd68d7f5ace94725300d0beec24b07c8066..c3987279dac9982973bfd762defc7cbfa581275d 100644 (file)
--- a/bertos/drv/adc.h
+++ b/bertos/drv/adc.h
@@ -36,6 +36,12 @@
  *
  * \version $Id$
  * \author Francesco Sacchi <batt@develer.com>
+ *
+ * $WIZARD_MODULE = {
+ * "name" : "adc",
+ * "depends" : [],
+ * "configuration" : "bertos/cfg/cfg_adc.h"
+ * }
  */
 
 
@@ -64,6 +70,6 @@ void adc_init(void);
  * \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))
+#define ADC_RANGECONV(data, y1, y2) (((((int32_t)(data)) * ((y2) - (y1))) / ((1 << ADC_BITS) - 1)) + (y1))
 
 #endif /* DRV_ADC_H */