pyonta cansat / MPL3115A

a

Dependents:   FM_integration_off

Fork of MPL3115A2 by Michael Lange

Diff: Altitude.h

Revision:
3:7c7c1ea6fc33
Parent:
2:2ebc9c0d4a54
Child:
4:79cff85db78c
--- a/Altitude.h	Wed Apr 02 12:22:45 2014 +0000
+++ b/Altitude.h	Wed Apr 02 12:59:44 2014 +0000
@@ -14,8 +14,8 @@
 
 #include "mbed.h"
 
-//! Casting truncates, therefore negative numbers become positive.
-//! This will only cast properly in the range -128 to 127.
+//! Casting a float to a char truncates, therefore negative numbers become positive.
+//! This will properly cast a float in the range -128 to 127 to a char.
 #define float_to_char(x) (((x)<0)?(-(char)(x)):((char)(x)))
 
 //! Altitude provides a wrapper around altitude data coming from the sensor. The class handles