Hi , I am trying to send a simple message between two USRPs using the new message passing interface in GNU Radio 3.7 over 802.15.4 implementation. I created a "message generator" which publishes a message to the "app in" port of 802.15.4. Similarly on the receiver side a "message consumer" gets the message from the "app out" port of 802.15.4, I see that the message on the receiver is getting dropped at the 15.4 MAC layer with the following debug message:
mac.cc:mac_in: pmt_is_pair mac.cc::mac_in: data_len = 30 CRC at Reception: 0 MAC: Dropping packet self routed I poked around mac.cc code a bit. It looks like the message received has the same mac id as the mac id of the receiver. It seems that the MAC layer does not use the *real* MAC id, rather it generates mac id using "rand() % 100". My understanding is that the receiver is also getting the same mac-id as the sender and hence dropping packet. Any idea how to fix the problem? Note that I am not using RIME stack for communication (as done by Bastian), but rather trying to send/receive message from/to MAC layer itself. thanks and regards -Anirud Anirudha "Anirud" Sahoo Advanced Network Technology Div. National Institute of Standards and Technology (NIST) 100 Bureau Drive, Gaithersburg, MD - 20878 Room - B230, bldg.- 222 Phone- 301-975-4439
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