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| -rw-r--r-- | readme.rst | 14 |
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@@ -105,6 +105,20 @@ The line discipline can be attached on a command prompt as follows:: To change the ELM327's serial settings, please refer to its data sheet. This needs to be done before attaching the line discipline. +Once the ldisc is attached, the CAN interface starts out unconfigured. +Set the speed before starting it: + + # The interface needs to be down to change parameters + sudo ip link set can0 down + sudo ip link set can0 type can bitrate 500000 + sudo ip link set can0 up + +500000 bit/s is a common rate for OBD-II diagnostics. +If you're connecting straight to a car's OBD port, this is the speed +that most cars (but not all!) expect. + +After this, you can set out as usual with candump, cansniffer, etc. + Known limitations of the controller |