LP-EM-CC2340R5: Basic BLE OAD Dual Image

Navami GS

Part Number: LP-EM-CC2340R5
Other Parts Discussed in Thread: UNIFLASH, CC2340R5

Tool/software:

I was testing Dual Image OAD. First, using uniflash I uploaded the mcuboot_dual_image_LP_EM_CC2340R5_nortos_ticlang.hex and basic_ble_oad_dual_image_LP_EM_CC2340R5_freertos_ticlang_v1.bin, and it successfully uploaded. Then, using the SimpleLink app, I uploaded basic_ble_oad_dual_image_LP_EM_CC2340R5_freertos_ticlang_v2.bin, which also completed successfully.

Now, for the second test, I'm attempting to upload (OAD) basic_ble_oad_dual_image_LP_EM_CC2340R5_freertos_ticlang_v3.bin using the SimpleLink app. If the Bluetooth connection is lost, the power is turned off, or a manual reset occurs during this process, what will happen to the board? Will the board reboot from the previously loaded image (basic_ble_oad_dual_image_LP_EM_CC2340R5_freertos_ticlang_v2.bin), or will it behave differently?"

Mainly i wanted to know while doing OAD if the firmware update is not 100% done how it will react ?

over 1 year ago

0 Tanguy Baltazart over 1 year ago

TI__Intellectual 2880 points

Hi,

If the download process can't complete or is aborted, then the device will boot again with the persistent app.

Please refer to the User's Guide for more detail about the persistent app and OAD in general.

Regards,
Tanguy

0 Navami GS over 1 year ago in reply to Tanguy Baltazart

Prodigy 180 points

Hi,

Thanks for your reply.

But the persistent app is for on-chip OAD. I'm using Dual Image OAD, in this I guess there won't be a persistent application.

please confirm

0 Tanguy Baltazart over 1 year ago in reply to Navami GS

TI__Intellectual 2880 points

Hi,

Excuse me for the confusion, you right, there is no persistent application on dual image, if the OAD fails or is aborted while downloading a new image, nothing will happen, and the device will continue booting on the original image.

Regards,
Tanguy

0 Navami GS over 1 year ago in reply to Tanguy Baltazart

Prodigy 180 points

Hi,

Please confirm that with Dual Image OAD, there is no chance of the board crashing. If the new image is not completely downloaded, the board should boot from the previously uploaded image (or the original image). If the new image downloads completely, then it should boot from the new image. Is this correct?

Thanks

+1 Tanguy Baltazart over 1 year ago in reply to Navami GS

TI__Intellectual 2880 points

Hi,

Your understanding of the Dual Image OAD is correct the board will boot from the new dual image only if the download is successful and the image version is higher than the running application.

See modifying the image version in the Bluetooth Low Energy - Over the Air Download (OAD) Fundamentals SLA for more details.

Please also review MCUboot documentation for more details about image swapping.

Regards,
Tanguy

0 Navami GS over 1 year ago in reply to Tanguy Baltazart

Prodigy 180 points

Thankyou for confirming

Bluetooth®︎

Bluetooth forum

LP-EM-CC2340R5: Basic BLE OAD Dual Image