Added basic support for positioners to control steerable satellite dishes

1 files changed, 5 insertions, 3 deletions

diff --git a/tools.h b/tools.h
index d6a778e6..9618efa2 100644
--- a/tools.h
+++ b/tools.h
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: tools.h 2.24 2013/02/17 13:18:06 kls Exp $
+ * $Id: tools.h 3.1 2013/08/21 08:49:48 kls Exp $
  */
 
 #ifndef __TOOLS_H
@@ -64,6 +64,8 @@ void syslog_with_tid(int priority, const char *format, ...) __attribute__ ((form
 #define BCDCHARTOINT(x) (10 * ((x & 0xF0) >> 4) + (x & 0xF))
 int BCD2INT(int x);
 
+#define IsBitSet(v, b) ((v) & (1 << (b))) // checks if the bit at index b is set in v, where the least significant bit has index 0
+
 // Unfortunately there are no platform independent macros for unaligned
 // access, so we do it this way:
 
@@ -330,8 +332,8 @@ public:
       ///< time.
   static uint64_t Now(void);
   void Set(int Ms = 0);
-  bool TimedOut(void);
-  uint64_t Elapsed(void);
+  bool TimedOut(void) const;
+  uint64_t Elapsed(void) const;
   };
 
 class cReadLine {