Linux CAN bus: Difference between revisions

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.
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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

@@ Line 1: / Line 1: @@
 <!-- Set release according to "release" parameter in URL and use RELEASE_DUNFELL_V1.0_VAR-SOM-MX6 as default
---> {{#vardefine:RELEASE_PARAM|{{#urlget:release}}}} <!--
+--> {{INIT_RELEASE_PARAM|RELEASE_DUNFELL_V1.0_VAR-SOM-MX6}}<!--
---> {{#lst:Yocto_Platform_Customization|{{#var: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]]
@@ Line 21: / Line 24: @@
   # 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    = '''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]]
+  | DART-MX8M-MINI
- | VAR-SOM-MX8M-NANO
+ | 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]]
   |
 }}
 |}}