AWR2944EVM: Configure MCAN interrupt (forever loop in HwiP_construct() function)

z charles

Part Number: AWR2944EVM

Hello, I want to configure MCAN interrupt, but when the program runs to the HwiP_construct() function, it goes into the forever loop.

My board is 2944EVM REV.D, and SDK is newest.

This is my code:

over 1 year ago

0 Saswat Kumar over 1 year ago

TI__Mastermind 35265 points

Hello Charles,

You can refer the example present in the SDK for this: C:\ti\mmwave_mcuplus_sdk_04_04_01_02\mcu_plus_sdk_awr294x_09_00_00_15\examples\drivers\mcan\mcan_loopback_interrupt\mcan_loopback_interrupt.c

It uses the same interrupt number as well.

This example has been tested and it does not get stuck anywhere, you can compare your code or reuse this code for reaching your goal.

Regards,
Saswat Kumar

0 z charles over 1 year ago in reply to Saswat Kumar

Prodigy 210 points

It works properly if you import the CCS project directly for use. But when I change the MCAN configuration, it causes the same situation.

Here's how I changed the MCAN configuration:

0 Saswat Kumar over 1 year ago in reply to z charles

TI__Mastermind 35265 points

Hello charles,

What are you exactly changing in this configuration?

Regards,
Saswat Kumar

0 z charles over 1 year ago in reply to Saswat Kumar

Prodigy 210 points

The port number of CAN was changed from CANB to CANA, because I needed to use classic CAN to send and receive data.

+1 Saswat Kumar over 1 year ago in reply to z charles

TI__Mastermind 35265 points

Hello Charles,

In the C:\ti\mmwave_mcuplus_sdk_04_04_01_02\mcu_plus_sdk_awr294x_09_00_00_15\examples\drivers\mcan\mcan_loopback_interrupt\mcan_loopback_interrupt.c MCAN A is selected by default right? I can see that the interrupt number is also 44 because of that as MCAN B has a different interrupt number.
This is for the nortos example syscfg.

Regards,
Saswat Kumar

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AWR2944EVM: Configure MCAN interrupt (forever loop in HwiP_construct() function)