From 796bb709d30f07bc4118b1e2cbb656fda2d8bec3 Mon Sep 17 00:00:00 2001
From: andreaskoepke <andreaskoepke>
Date: Tue, 12 Jun 2007 11:02:35 +0000
Subject: [PATCH] handle TOSH_DATA_LENGTH more gracefully

---
 tos/platforms/eyesIFX/platform_message.h | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/tos/platforms/eyesIFX/platform_message.h b/tos/platforms/eyesIFX/platform_message.h
index 2f187dce..3a32c598 100644
--- a/tos/platforms/eyesIFX/platform_message.h
+++ b/tos/platforms/eyesIFX/platform_message.h
@@ -44,11 +44,9 @@
 #include "Serial.h"
 #include "tda5250_message.h"
 
-#ifdef TOSH_DATA_LENGTH
-#undef TOSH_DATA_LENGTH
-#endif
-
+#ifndef TOSH_DATA_LENGTH
 #define TOSH_DATA_LENGTH 48
+#endif
 
 typedef union message_header_t {
   tda5250_header_t radio;
@@ -67,4 +65,8 @@ typedef tda5250_header_t message_radio_header_t;
 typedef tda5250_footer_t message_radio_footer_t;
 typedef tda5250_metadata_t message_radio_metadata_t;
 
+#if TOSH_DATA_LENGTH < 33
+#error "TOSH_DATA_LENGH must be larger than 33 bytes for this platform."
+#endif
+
 #endif
-- 
2.39.2