Hi!
I'm having the same problem, so let's bump the post and see if anyone can give us some insight

Oops, my bad. I modified the driver to implement the CMD_ABORT_TX defined here https://github.com/espressif/esp-idf/blob/master/components/driver/can.c#L71 following your function name style while doing some tests a few weeks ago, but I just got back from holidays and thought it had always been ther...

Thank you for pointing out that exception! I guess I will just disable the bus error alert when this happens to avoid being flooded and preserve the messages, but I tried to abort the transmission when (bus error && TEC is >=128) and I just saw that after calling can_abort_tx() I get a CAN_ALERT_TX_...

Hi, I am doing some testing of the CAN controller, and I saw that if a frame doesn't get acknowledged (in my tests, the wires are not connected to anything) the controller retries it and the tx_err counter goes up, triggering an interrupt for error warning, and then error passive, as I expected to h...