From c10628df28bd9265da5cf6aa71d26f1ed069ad79 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Wed, 21 Aug 2013 13:49:17 +0000
Subject: git-svn-id:
 svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6195
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/rt/include/chvt.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/os/rt/include/chvt.h b/os/rt/include/chvt.h
index 447a7447d..d4948f1d6 100644
--- a/os/rt/include/chvt.h
+++ b/os/rt/include/chvt.h
@@ -41,6 +41,10 @@
 /* Derived constants and error checks.                                       */
 /*===========================================================================*/
 
+#if CH_CFG_ST_FREQUENCY <= 0
+#error "invalid CH_CFG_ST_FREQUENCY specified"
+#endif
+
 #if (CH_CFG_TIMEDELTA < 0) || (CH_CFG_TIMEDELTA == 1)
 #error "invalid CH_CFG_TIMEDELTA specified"
 #endif
-- 
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