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CAN/en: различия между версиями
Новая страница: «For more information see the «AmadeuS» wiki article «[http://www.armadeus.com/wiki/index.php?title=CAN_bus_Linux_driver CAN bus Linux driver]».»
Matveevrj (обсуждение | вклад) (Новая страница: «==== Using standard linux tools (manually) ====») |
Matveevrj (обсуждение | вклад) (Новая страница: «For more information see the «AmadeuS» wiki article «[http://www.armadeus.com/wiki/index.php?title=CAN_bus_Linux_driver CAN bus Linux driver]».») Метки: правка с мобильного устройства правка из мобильной версии |
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| (не показаны 3 промежуточные версии этого же участника) | |||
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</syntaxhighlight> | </syntaxhighlight> | ||
== | == Working with CAN == | ||
The <code>cansend</code> and <code>candump</code> utilities are included in the controller's standard software package. If for some reason they are not there, you can install the <code>can-utils</code> package: | |||
<syntaxhighlight lang="bash"> | <syntaxhighlight lang="bash"> | ||
apt update && apt install can-utils | apt update && apt install can-utils | ||
</syntaxhighlight> | </syntaxhighlight> | ||
Command examples: | |||
* | * Sending four bytes with address 123: | ||
*:<syntaxhighlight lang="bash"> | *:<syntaxhighlight lang="bash"> | ||
cansend can0 123#DEADBEEF | cansend can0 123#DEADBEEF | ||
</syntaxhighlight> | </syntaxhighlight> | ||
* | * Show incoming packets: | ||
*:<syntaxhighlight lang="bash"> | *:<syntaxhighlight lang="bash"> | ||
candump can0 | candump can0 | ||
</syntaxhighlight> | </syntaxhighlight> | ||
* | * Show statistics: | ||
*:<syntaxhighlight lang="bash"> | *:<syntaxhighlight lang="bash"> | ||
cat /proc/net/can/stats | cat /proc/net/can/stats | ||
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Please note that in case of problems on the bus (no terminator, no receiving device, short circuit), the controller may stop working. | |||
To start working again, run: | |||
<syntaxhighlight lang="bash"> | <syntaxhighlight lang="bash"> | ||
ifconfig can0 down && ip link set can0 up type can bitrate 125000 | ifconfig can0 down && ip link set can0 up type can bitrate 125000 | ||
</syntaxhighlight> | </syntaxhighlight> | ||
For more information see the «AmadeuS» wiki article «[http://www.armadeus.com/wiki/index.php?title=CAN_bus_Linux_driver CAN bus Linux driver]». | |||