Linux CAN bus: Difference between revisions
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{{PageHeader|CAN bus}} | <!-- Set release according to "release" parameter in URL and use RELEASE_DUNFELL_V1.0_VAR-SOM-MX6 as default | ||
{{DocImage|category1=Yocto|category2=VAR-SOM-MX6 | --> {{INIT_RELEASE_PARAM|RELEASE_DUNFELL_V1.0_VAR-SOM-MX6}}<!-- | ||
--> {{#lst:Yocto_Platform_Customization|{{#var:RELEASE_PARAM}}}} <!-- | |||
--> {{#lst:B2QT_Platform_Customization|{{#var:RELEASE_PARAM}}}} <!-- | |||
--> {{#lst:Debian_Platform_Customization|{{#var:RELEASE_PARAM}}}} <!-- | |||
--> {{COMPAT_DEBIAN_LST_MODEL}} <!-- | |||
--> {{PageHeader|CAN bus}} {{DocImage|category1=Yocto|category2=Debian}}[[Category:Boot2Qt]][[Category:Android]][[Category:VAR-SOM-MX6]][[Category:DART-6UL]][[Category:VAR-SOM-MX7]][[Category:DART-MX8M]][[Category:DART-MX8M-MINI]][[Category:VAR-SOM-MX8M-NANO]][[Category:VAR-SOM-MX8X]][[Category:VAR-SOM-MX8]][[Category:DART-MX8M-PLUS]] | |||
Connect | Connect two boards like the following:<br> | ||
<u>Board A</u> <u>Board B</u> | |||
CAN_H --- CAN_H | |||
CAN_L --- CAN_L | |||
GND ----- GND | |||
Set up the boards by running the following on each of them:<br> | Set up the boards by running the following on each of them:<br> | ||
# ip link set can0 up type can bitrate 125000 | |||
Then:<br> | Then:<br> | ||
On board | On board A:<br> | ||
# candump can0 | |||
On board | On board B:<br> | ||
# cansend can0 500#1E.10.10 | |||
{{#ifeq: {{#var:HARDWARE_NAME}} | DART-MX8M-PLUS | | |||
'''Note''': For DART-MX8M-PLUS SoMs, the reference interface is can2 instead of can0. | |||
|}} | |||
{{#ifexpr: {{#var:YOCTO_VERSION}} > 3.0 | | |||
{{#switch: {{#var:HARDWARE_NAME}} | |||
| DART-MX8M-MINI | |||
| VAR-SOM-MX8M-NANO = '''Note''': For VAR-SOM-MX8M-MINI/NANO rev. 1.0/1.1/1.2, see: [[VAR-SOM-MX8M-MINI-CAN|VAR-SOM-MX8M-MINI/NANO rev. 1.0/1.1/1.2 CAN bus support]] | |||
| | |||
}} | |||
|}} |
Latest revision as of 21:56, 6 June 2023
Warning: This page is designed to be used with a 'release' URL parameter.
This page is using the default release RELEASE_DUNFELL_V1.0_VAR-SOM-MX6.
To view this page for a specific Variscite SoM and software release, please follow these steps:
- Visit variwiki.com
- Select your SoM
- Select the software release
CAN bus
Connect two boards like the following:
Board A Board B CAN_H --- CAN_H CAN_L --- CAN_L GND ----- GND
Set up the boards by running the following on each of them:
# ip link set can0 up type can bitrate 125000
Then:
On board A:
# candump can0
On board B:
# cansend can0 500#1E.10.10