AM2634: can_uniflash.py (Bootloader via CAN)

Panda Bear

Part Number: AM2634
Other Parts Discussed in Thread: UNIFLASH

Hello Ti

I try to run the can_uniflash.py file in your sdk mcu_plus_sdk_am263x_09_01_00_41 on the Eval Board AM263_CC for flash the software.

What I did so far is:

I have flashed the prebuilt can_sbl bootloader succesfully(see picture below):

And then set the cfg file to the desired application software( gpio_led_blink_am263x-cc_r5fss0-0_nortos_ti-arm-clang):

and run the can_uniflash.py from the cmd window and I have got the following error:

Here are some traces from CAN:

but I'm not able to flash the example code gpio_led_blink_am263x-cc_r5fss0-0_nortos_ti-arm-clang

Could you help me further ?

Thank you

over 2 years ago

0 Aakash Kedia over 2 years ago

TI__Mastermind 26195 points

Hi,

It looks like you are trying to access the same CAN port via script which is already opened in PCAN View. This is causing a resource conflict. Can you try closing the PCAN View and retry using the script ?

Best Regards,
Aakash

0 Panda Bear over 2 years ago in reply to Aakash Kedia

Intellectual 375 points

Hi Akash

After closing PCAN view, I have the same problem:

0 Panda Bear over 2 years ago in reply to Panda Bear

Intellectual 375 points

Hi Akash

In the Python script I saw that:

CAN_PONG = "50 4F 4E 47"

I think this is the first message; that should be positive responded from Eval Board. But the Eval Board do not respond.

0 Panda Bear over 2 years ago in reply to Panda Bear

Intellectual 375 points

I don't know if this the problem; I have use the uniflash tool for flashing can bootloader:

0 Aakash Kedia over 2 years ago in reply to Panda Bear

TI__Mastermind 26195 points

Hi Panda Bear,

I don't think Uniflash tool is supported for AM263x device as of now. We only support AM263Px for now. Can you try to use uart_uniflash.py tool to flash the CAN Uniflash ?

Best Regards,
Aakash

0 Panda Bear over 2 years ago in reply to Aakash Kedia

Intellectual 375 points

Hi Aakash

I have still the same problem:

for

I have this error:

for

I have this problem

0 Aakash Kedia over 2 years ago in reply to Panda Bear

TI__Mastermind 26195 points

Hi,

This error is observed when the instance is not free (like pcan-view is open) or the PCANBasic file is not present. Please checkout if you have missed these steps or not - https://software-dl.ti.com/mcu-plus-sdk/esd/AM263X/latest/exports/docs/api_guide_am263x/EXAMPLES_DRIVERS_SBL_CAN_UNIFLASH.html#EXAMPLES_DRIVERS_SBL_CAN_UNIFLASH_STEPS

Also, the application's bootloader settings mention that the CAN is functional in FD mode (by default). If you change it from the script, you need to rebuild the libs and the SBL.

Checkout the file - source/drivers/bootloader/bootloader_can.c

Best Regards,
Aakash

0 Panda Bear over 2 years ago in reply to Aakash Kedia

Intellectual 375 points

Hi Aakash

Actually I did this. But I did it again. But somehow I became the same error.:

The Dongle that I use is that:

I have also made a restart on PC to be sure no other tools is using this dongle and I see this device in the device manager.

Could we look it together ?

Thank you

0 Aakash Kedia over 2 years ago in reply to Panda Bear

TI__Mastermind 26195 points

Hi,

Panda Bear said:
Could we look it together ?

Sure. Please send a meeting invite for Tuesday via your PoC in TI.

Best Regards,
Aakash

0 Panda Bear over 2 years ago in reply to Aakash Kedia

Intellectual 375 points

Thank you.

I have send you an invitation.

0 Panda Bear over 2 years ago in reply to Panda Bear

Intellectual 375 points

Hi Akash

Have you get my invitation?

0 Aswathi R over 2 years ago in reply to Panda Bear

TI__Intellectual 1150 points

Hi Ismail,
I tried flashing gpio_led_blink using sbl_can_uniflash with STD CAN and it is running successfully.
PCAN hardware: PEAK Systems IPEH-002021

The only code changes I did are:

IsFD = False in can_uniflash.py
Undefine ENABLE_CANFD_SUPPORT macro in bootloader.c and bootloader.h

So I think this is a hardware issue of the pcan you are using.

0 Panda Bear over 2 years ago in reply to Aswathi R

Intellectual 375 points

Hi Aswathi

Thank you for your response

I saw that you are using PCAN-USB-FD; but I have a PCAN-USB without FD. I think somewhere else in the script it looks still for CAN-FD as device.

0 Aakash Kedia over 2 years ago in reply to Panda Bear

TI__Mastermind 26195 points

Hi,

We think the script is still a secondary thing, because the hardware connectivity was a problem as we could not see any data for mcan_external example as well. It may be due to non-functional board or the PCAN module itself. Can you please check the same ?

If you are able to resolve that, we are certain this might work for both PCAN and PCAN-FD as the API seems very similar.

Thanks & Regards,
Aakash

0 Panda Bear over 2 years ago in reply to Aakash Kedia

Intellectual 375 points

The example is now working; I made a small changes in the software:

Now I'll try flashing with Bootloader.

0 Panda Bear over 2 years ago in reply to Panda Bear

Intellectual 375 points

I have still the same problem

+1 Panda Bear over 2 years ago in reply to Panda Bear

Intellectual 375 points

and the Eval Board do not response to the mesagge that you mentioned in the call

+1 Aakash Kedia over 2 years ago in reply to Panda Bear

TI__Mastermind 26195 points

Hi,

Can you check the settings between the example which worked for you and the bootloader_can ? The message sent from Tool to bootloader_can has to be "PING" i.e. 0x50 0x49 0x4E 0x47.

If this message is received on the SBL then SBL will respond with "PONG".

I hope this helps.

Best Regards,
Aakash

0 Panda Bear over 2 years ago in reply to Aakash Kedia

Intellectual 375 points

Now it is working; I have commit the Can fd part completely

But when I do a power on off the software stays still on Bootloader and do not jump to the application software. Are there any Information about it? How thought to customize the Can BL? In uart flash, there are more options for erase,flash, verification etc.

0 Aakash Kedia over 2 years ago in reply to Panda Bear

TI__Mastermind 26195 points

Hi Panda Bear,

Panda Bear said:
But when I do a power on off the software stays still on Bootloader and do not jump to the application software.

I see the application got flashed and you were able to reboot the same. Is this correct ?

Best Regards,
Aakash

0 Panda Bear over 2 years ago in reply to Aakash Kedia

Intellectual 375 points

yes the application seems to be flashed; but when I do reboot the software stays in the bootloader part and do not continues to application.

0 Panda Bear over 2 years ago in reply to Panda Bear

Intellectual 375 points

...

Could you explain what are the messages for the specific case? Maybe I need to send a separate can messages for jump to application?

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AM2634: can_uniflash.py (Bootloader via CAN)