Code 6, send failed
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Geoffrey Rutter.
Geoffrey RutterI am using the Xdot with LibXdot3.2.1, mbed51101, EU868 class A. I am occasionally getting a “Send failed – code 6” message, which I had assumed to be due to no airtime on any channel, with the implication that nothing was transmitted. However, today I have recorded an instance where available channels =0, Send failed code 6, No Ack received, yet a downlink was received. What puzzles me is how it could receive a downlink if it was incapable of sending an uplink. I’m also not sure if it did actually send the data – I normally accept either an Ack or a downlink as confirmation.
Any enlightenment would be appreciated.
[INFO] Send
[DEBUG] Send with tx timeout 40000
[INFO] Preparing frame
[TRACE] Adding mac commands to frame 2 bytes
[TRACE] NA: ed772b18
[TRACE] NSK: fd8fc6a95a2f2eed96effd36e4fa73d6
[TRACE] DSK: c3fbaaba75e34b41a743f813ee41f295
[TRACE] Adding MIC to frame
[TRACE] Sending 55 bytes
[TRACE] Number of available channels: 0
[ERROR] Send failed : code 6
[DEBUG] No Ack received or Tx failure
[DEBUG] Receive 2C
[DEBUG] Receive 04
[DEBUG] Receive 29
[DEBUG] Receive FE
[DEBUG] Receive E8
[INFO] Sent 40
[INFO] Data received