Hi guys, I’m trying to connect my Apalis on a NMEA2000 bus. Everything works fine, except when I try to read messages with more then 8 bytes.
When i try to set the option on the can0 interface for FD:
Operation not supported… Strange cause I’m using Ixora v1.3A which should have transceiver with FD supported.
Here is my TDX-INFO:
Any ideas?
Hi, I’m the Toradex AI Assistant. The Toradex Support team will follow up with you shortly!
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Hello,
Thank you for reaching out with your question about enabling CAN FD on your Apalis module with the Ixora v1.3A carrier board. Let’s work through some steps to address the ‘Operation not supported’ error you’re encountering.
Verify Hardware Compatibility: First, ensure that both your Apalis module and the Ixora v1.3A carrier board support CAN FD. While the Ixora v1.3A is designed to support CAN FD, it’s important to confirm that your specific Apalis module also has this capability. You can check the module’s datasheet for details on CAN FD support.
Check Software Configuration: The error message you received often indicates that CAN FD is not enabled in the software. This could be due to the Linux kernel not being configured for CAN FD or the device tree not being set up correctly.
Kernel Configuration: Make sure that the Linux kernel you are using has CAN FD support enabled. You can verify this by checking the kernel configuration file (usually .config) for options like CONFIG_CAN_FLEXCAN and CONFIG_CAN_FLEXCAN_FD. These should be set to y (yes) or m (module).
Device Tree Configuration: Ensure that the device tree includes the necessary settings for CAN FD. This might involve adding or modifying nodes in the device tree source files to enable CAN FD on the can0 interface.
Testing and Verification: After making the necessary changes, recompile the kernel and device tree, then deploy them to your device. Use tools like candump and cansend from the can-utils package to test the CAN FD functionality and verify that messages longer than 8 bytes can be handled.
By following these steps, you should be able to resolve the issue and enable CAN FD on your setup. If you continue to experience problems, double-check all configurations to ensure both hardware and software components are correctly set up for CAN FD support.
I hope this helps! If you have any more questions, feel free to ask.
Best regards,
Toradex AI Assistant
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