topic Re: KW38 - having a problem from reprogramming a KW38 device using the OTAP Client Software in Wireless MCU

KW38 - having a problem from reprogramming a KW38 device using the OTAP Client Software

Lincoln — Tue, 21 Dec 2021 07:31:25 GMT

Hi,

I am trying to use OTAP Client Software to reprogram kw38, and I referred to this document :

After I done all the process ,the app shows that transfer successfully.

But kw38 EVB didn't work as expected, instead, it was acting like this:

What should I do?

Thank you for your help!

Re: KW38 - having a problem from reprogramming a KW38 device using the OTAP Client Software

mario_castaneda — Tue, 21 Dec 2021 19:50:17 GMT

Hi @Lincoln,

What is the SDK version that you are working on?

Are you working with the internal or external flash?

Did you disable the low power mode in the image that you are sending?

However, I followed the same process working with the SDK version 2.6.12 and the external flash as default.

Is it possible that you could use the same S19 file created with the OTA ATT example?

Note: After the OTA process you have to wait some seconds for the bootloader to copy the new image to flash.

Regards,

Mario

Re: KW38 - having a problem from reprogramming a KW38 device using the OTAP Client Software

Lincoln — Wed, 22 Dec 2021 03:16:55 GMT

Hi @mario_castaneda,

I am working with SDK version 2.6.12 and the external flash as default.

I followed the same process and also the same S19 file created with the glucose_sensor_freertos example.

Besides, I already disable the low power mode in the glucose_sensor_freertos example.

After the OTA process I was waiting at least 3 mins but the problem still exist.

Then I am trying to work with internal flash, some error exist during debug process:

Thank you.

Re: KW38 - having a problem from reprogramming a KW38 device using the OTAP Client Software

mario_castaneda — Wed, 22 Dec 2021 22:09:52 GMT

Hi @Lincoln,

I am really sorry, I am working with the 2.6.14 version.

Is it possible that you could use the OTA Bootloader and the OTA Client ATT example as default?

After that, please look at the file attached S19 file and test with your phone.

Please let me know your findings.

Regards,

Mario

Re: KW38 - having a problem from reprogramming a KW38 device using the OTAP Client Software

Lincoln — Thu, 23 Dec 2021 03:33:50 GMT

Hi @mario_castaneda,

I upgrade my SDK version to 2.6.14 and try again as using the OTA Bootloader and the OTA Client ATT example as default.

I found that the test is successful as using your attached S19 file while that would fail with my own generated S19.

I'm confused and don't know what I did wrong because the process I generated the S19 file which is exactly following the document.

The attached file is the example project I am working with, please check it!

Thank you!

Re: KW38 - having a problem from reprogramming a KW38 device using the OTAP Client Software

mario_castaneda — Thu, 23 Dec 2021 17:37:05 GMT

Hi @Lincoln,

Please look at your memory regions, you did not change location of flash and the NVM_region.

Please change the regions as the image below.

Regards,

Mario

Re: KW38 - having a problem from reprogramming a KW38 device using the OTAP Client Software

Lincoln — Fri, 24 Dec 2021 05:46:18 GMT

Hi @mario_castaneda,

it works after I change the memory region, thank you very much!

Re: KW38 - having a problem from reprogramming a KW38 device using the OTAP Client Software

leonordo — Mon, 13 Feb 2023 08:23:08 GMT

Why does debug report an error when I modify the flash size according to the image?
error message:
Error in final launch sequence:

Failed to execute MI command:
-target-download
Error message from debugger back end:
Load failed
Failed to execute MI command:
-target-download
Error message from debugger back end:
Load failed
Load failed