From 662d029ac5cc8bbaebe1fae47925f58a8896dc09 Mon Sep 17 00:00:00 2001
From: andreaskoepke <andreaskoepke>
Date: Tue, 10 Jul 2007 13:09:47 +0000
Subject: [PATCH] remove group field, breaks MAC timings.

---
 tos/chips/tda5250/Tda5250ActiveMessageP.nc | 6 ++----
 tos/chips/tda5250/tda5250_message.h        | 4 +++-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/tos/chips/tda5250/Tda5250ActiveMessageP.nc b/tos/chips/tda5250/Tda5250ActiveMessageP.nc
index 05c8943f..f46eb588 100644
--- a/tos/chips/tda5250/Tda5250ActiveMessageP.nc
+++ b/tos/chips/tda5250/Tda5250ActiveMessageP.nc
@@ -154,13 +154,11 @@ implementation {
   }
 
   command void AMPacket.setGroup(message_t* msg, am_group_t group) {
-    tda5250_header_t* header = getHeader(msg);
-    header->group = group;
+     return;
   }
 
   command am_group_t AMPacket.group(message_t* msg) {
-    tda5250_header_t* header = getHeader(msg);
-    return header->group;
+    return TOS_AM_GROUP;
   }
 
   command am_group_t AMPacket.localGroup() {
diff --git a/tos/chips/tda5250/tda5250_message.h b/tos/chips/tda5250/tda5250_message.h
index 40a4b8ce..1f377841 100644
--- a/tos/chips/tda5250/tda5250_message.h
+++ b/tos/chips/tda5250/tda5250_message.h
@@ -9,7 +9,6 @@ typedef nx_struct tda5250_header_t {
   nx_am_addr_t src;
   nx_am_addr_t dest;
   nx_am_id_t   type;
-  nx_am_group_t group;
   nx_uint8_t   token;
 } tda5250_header_t;
 
@@ -24,6 +23,9 @@ typedef nx_struct tda5250_metadata_t {
   nx_uint32_t time;
   nx_uint8_t sendSecurityMode;
   nx_uint8_t receiveSecurityMode;
+  /* some meta information that allows to compute a density */
+  nx_uint8_t maxRepetitions;
+  nx_uint8_t repetitions;
 } tda5250_metadata_t;
 
 #endif
-- 
2.39.2