added rainbow fader

1 files changed, 16 insertions, 0 deletions

diff --git a/common.c b/common.c
index 524e614..d457a6a 100644
--- a/common.c
+++ b/common.c
@@ -78,3 +78,19 @@ MsTime msNow()
 
    return tv.tv_sec * 1000 + tv.tv_usec / 1000;
 }
+
+//***************************************************************************
+// 
+//***************************************************************************
+
+int minMax(int x, int min, int max)
+{
+   if (x < min)
+      return min;
+   
+   if (max < x)
+      return max;
+   
+   return x;
+}
+