IWR6843AOPEVM: CAN_FD issue on receive

Matvei Klimov

Part Number: IWR6843AOPEVM
Other Parts Discussed in Thread: MMWAVEICBOOST

Hi! I'm working with IWR6843AOPEVM and I want to modify mmwaveDemo code to send data through CAN_FD.

And it works perfect on data transmission from IWR6843AOPEVM to PC. But when I tried to send data from PC to IWR6843AOPEVM, CAN_FD callback works, I get

CANFD_Reason == CANFD_REASON_RX, and when i tried to get data from CAN_FD with function CANFD_getData, IWR6843AOPEVM freezes and stop working. To start IWR6843AOPEVM again I need to reboot it. I attached main.c file with CAN_FD. mmwaveSDK version is 03.04.00.03.

Thanks in advance for your help!

Best regards,

Matvei Klimov

2577.main.c

over 5 years ago

0 Yogesh Siraswar over 5 years ago

TI__Mastermind 20745 points

Hi Matvei,

Quick question, which CAN-FD emulator you are using on the PC. Could you please also share the bit-rate configuration used.

Thanks

Yogesh

0 Matvei Klimov over 5 years ago in reply to Yogesh Siraswar

Prodigy 60 points

Hi Yogesh!

I apologize for a delay. I use DART-MX8M + external board with CAN on it. Bitrates are 1Mbits. Also I received MMWAVEICBOOST and debuged it. And problem occurred not in CAN_FD_getData(), but in

System_printf ("Error: CAN received incorrect frame type Sent %d Received %d for iteration %d failed\n", frameType, rxFrameType, iterationCount);.

Now when I comment this function CAN_FD receive start working well with both frames CLASSICAL and FD. Probably it is too big debug output?

Best resgards,

Matvei Klimov

0 Yogesh Siraswar over 5 years ago in reply to Matvei Klimov

TI__Mastermind 20745 points

Hi Matvei,

Yes, printf can cause issue in real-time systems. Are are you still receiving frame mismatch error?

Thanks

Yogesh

0 Matvei Klimov over 5 years ago in reply to Yogesh Siraswar

Prodigy 60 points

Hi Yogesh!

Thanks for reply. No, now i receives CAN frames without error. Thank you for your help!

Best regards,

Matvei Klimov

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IWR6843AOPEVM: CAN_FD issue on receive