On 07.06.2022 11:47:43, Dario Binacchi wrote: > As suggested by commit [1], now the driver uses the functions and the > data structures provided by the CAN network device driver interface. > > There is no way to set bitrate for SLCAN based devices via ip tool, so ^^^^^^^^^^^^^^^ Currently the driver doesn't implement a way > you'll have to do this by slcand/slcan_attach invocation through the > -sX parameter: > > - slcan_attach -f -s6 -o /dev/ttyACM0 > - slcand -f -s8 -o /dev/ttyUSB0 > > where -s6 in will set adapter's bitrate to 500 Kbit/s and -s8 to > 1Mbit/s. > See the table below for further CAN bitrates: > - s0 -> 10 Kbit/s > - s1 -> 20 Kbit/s > - s2 -> 50 Kbit/s > - s3 -> 100 Kbit/s > - s4 -> 125 Kbit/s > - s5 -> 250 Kbit/s > - s6 -> 500 Kbit/s > - s7 -> 800 Kbit/s > - s8 -> 1000 Kbit/s > > In doing so, the struct can_priv::bittiming.bitrate of the driver is not > set and since the open_candev() checks that the bitrate has been set, it > must be a non-zero value, the bitrate is set to a fake value (-1) before > it is called. What does | ip --details -s -s link show show as the bit rate? Marc -- Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung West/Dortmund | Phone: +49-231-2826-924 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
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