[Mspsim-commit] SF.net SVN: mspsim:[641] mspsim/se/sics/mspsim/core/Timer.java

[<jo...@us...>]

Revision: 641
          http://mspsim.svn.sourceforge.net/mspsim/?rev=641&view=rev
Author:   joxe
Date:     2009-10-27 13:48:47 +0000 (Tue, 27 Oct 2009)

Log Message:
-----------
fixed bug that caused division by zero when updating TCCTL and calculating CC_I

Modified Paths:
--------------
    mspsim/se/sics/mspsim/core/Timer.java

Modified: mspsim/se/sics/mspsim/core/Timer.java
===================================================================
--- mspsim/se/sics/mspsim/core/Timer.java	2009-10-27 09:55:05 UTC (rev 640)
+++ mspsim/se/sics/mspsim/core/Timer.java	2009-10-27 13:48:47 UTC (rev 641)
@@ -365,7 +365,11 @@
       /* needs the TimerA clock speed here... */
       int aTicks = clockSpeed / core.aclkFrq;
       updateCounter(cycles);
-      if (counter % aTicks > aTicks / 2) {
+      
+      /* only calculate this if clock runs faster then ACLK - otherwise it
+       * this will be dividing by zero... 
+       */
+      if (aTicks > 0 && counter % aTicks > aTicks / 2) {
         input = true;
       }
     }


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