From a6e29dc04fb3a671aebafe9f3f169ca58b454061 Mon Sep 17 00:00:00 2001
From: scipio <scipio>
Date: Tue, 19 Feb 2008 22:00:08 +0000
Subject: [PATCH] Add metadata.

---
 tos/lib/serial/Serial.h                | 4 ++++
 tos/lib/serial/SerialActiveMessageP.nc | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/tos/lib/serial/Serial.h b/tos/lib/serial/Serial.h
index 7b826445..9bd5bd19 100644
--- a/tos/lib/serial/Serial.h
+++ b/tos/lib/serial/Serial.h
@@ -122,4 +122,8 @@ typedef nx_struct serial_packet {
   nx_uint8_t data[];
 } serial_packet_t;
 
+typedef nx_struct serial_metadata {
+  bool acked;
+} serial_metadata_t;
+    
 #endif
diff --git a/tos/lib/serial/SerialActiveMessageP.nc b/tos/lib/serial/SerialActiveMessageP.nc
index 6296441c..17ceb6b3 100644
--- a/tos/lib/serial/SerialActiveMessageP.nc
+++ b/tos/lib/serial/SerialActiveMessageP.nc
@@ -49,6 +49,10 @@ implementation {
   serial_header_t* getHeader(message_t* msg) {
     return (serial_header_t*)(msg->data - sizeof(serial_header_t));
   }
+
+  serial_metadata_t* getMetadata(message_t* msg) {
+    return (serial_metadata_t*)(msg->metadata);
+  }
   
   command error_t AMSend.send[am_id_t id](am_addr_t dest,
 					  message_t* msg,
-- 
2.39.2