+ modified radio driver (PHY) interfaces: CSMA-CA algorithm is now pushed to radio...

[tinyos-2.x.git] / tos / chips / cc2420_tkn154 / CC2420Tx.nc

diff --git a/tos/chips/cc2420_tkn154/CC2420Tx.nc b/tos/chips/cc2420_tkn154/CC2420Tx.nc
index 53e1fc9fda513b145d5aece88c893717465140bf..8d7fe92363caf47d90e97d0e3a3b9094aaae3392 100644 (file)
--- a/tos/chips/cc2420_tkn154/CC2420Tx.nc
+++ b/tos/chips/cc2420_tkn154/CC2420Tx.nc
@@ -40,7 +40,7 @@ interface CC2420Tx {
   async command error_t loadTXFIFO(ieee154_txframe_t *data);
   async event void loadTXFIFODone(ieee154_txframe_t *data, error_t error );
 
-  async command void send(bool cca);
+  async command error_t send(bool cca);
   async event void sendDone(ieee154_txframe_t *frame, ieee154_reftime_t *referenceTime, 
       bool ackPendingFlag, error_t error);