Merge TinyOS 2.1.1 into master.

[tinyos-2.x.git] / tos / types / message.h

diff --git a/tos/types/message.h b/tos/types/message.h
index dc66c268e5985eb36e7ae870106b5fec41d0ed8f..69a0a4373101bf88966981af0542a5a3dd1b0764 100644 (file)
--- a/tos/types/message.h
+++ b/tos/types/message.h
@@ -18,4 +18,11 @@ typedef nx_struct message_t {
   nx_uint8_t metadata[sizeof(message_metadata_t)];
 } message_t;
 
+/*
+ * This resource is used to arbitrate access between ActiveMessageC,
+ * Ieee154MessageC and possibly future MessageC components to the 
+ * underlying radio driver.
+ */
+#define RADIO_SEND_RESOURCE "RADIO_SEND_RESOURCE"
+
 #endif