CC1352R: problem when reverting a LPSTK-CC1352R to factory image

Hi Yikai,

Thank you for your response. I got a response from our customer as stated below:

"I'm going to elaborate my problem a bit more, because the linked referenced from the reply was my first try.

I'm trying to overwrite the factory image, so that if I press and hold BTN1 while I reset the LPSTK it boots up with a new application. For that, I erased the flash by loading the erase_storage_offchip_cc13x2lp.hex file on the CC1352R. I found it weird when, after loading it and performing a factory reset the led started blinking red and green, until it freezes in yellow. I don't know where that blinking comes from if the flash is erased... Anyway, I then loaded two images: bim and an application. I understand the application needs to be of the kind oad.bin, for instance application_oad.bin, in order for it to boot with bim (onchip or offchip?), but I am not sure if any other type of application image (without OAD) can be used. I would also appreciate you clarifying this."

I hope you can further help us with this.

Kind regards,
Gerald

Hi Marie H,

Thank you for your response. Kindly see details below:

1) I am loading the simple_peripheral_oad_offchip_CC13X2R1_LAUNCHXL_tirtos_ccs_oad.bin
2) SDK version: 5.20.00.52
3) I followed the steps from the SimpleLink Academy you mentioned but it seems I cannot debug the bim. I attach a capture of what I see when I perform a board reset with the debugger, because I find it strange, and besides, the breakpoints are disabled and I cannot find a way to enable them. I am programming the simple peripheral, and the bim_offchip_CC1352R1_LAUNCHXL_nortos_css.out from Uniflash, in Windows, and I am using a CC2652R in between the CC1352R and the PC to debug the application.


Kind regards,
Gerald

Gerald said:

1) I am loading the simple_peripheral_oad_offchip_CC13X2R1_LAUNCHXL_tirtos_ccs_oad.bin

This is for the launchpad and not for LPSTK.

I suggest you erase the entire flash using SmartRF Flash Programmer 2. Then flash the cc13x2r1lp_bim_offchip.hex. After that flash the multi sensor hex file.

-kel

Hi,

I got response from our customer as shown below:

"I've been trying to perform the steps from the responses without any luck until today, when I found a way that seems to be working. However, I still have some doubts, that I would like to solve if possible.

I followed these steps:

1) Erase flash with Smart Flash Programmer 2 (all unprotected pages, keep CCFG)
2) Program with Uniflash:
- cc13x2r1lp_bim_offchip.hex
- multi_sensor:CC13x2r1_LAUNCHXL_tirtos_ccs.out
The hex file did nothing apparently, it did not boot.
3) Flash project_zero_CC13X2RF_LAUNCHXL_tirtos_ccs.out

In this case, from what I see, I assume project_zero.out file needs a bim to boot. As there is no bim flashed, the factory image is the one booted, that's why the multisensor app is the one started. If, on the other hand, I flash a bim as well, project zero boots up. That's supposed to happen if I am right.

However, with multi_sensor+cc13x2r1lp_bim on the external flash and project_zero+bim on the internal I cannot boot from multi_sensor by pressing BT1/off/on/BT1, it starts project_zero. Isn't it possible to boot from the factory image even if there's a valid one on the internal flash?

I would like to know if I am trying something that is not possible or I am performing the steps the wrong way.
Thank you so much."

I hope you can further advise us.

Kind regards,
Gerald

Hello,

The factory image is the multi sensor example program. Do not flash any launchpad example programs to the LPSTK-CC1352R, like the project zero. I am suggesting to re-flash the multi sensor example program to start fresh.

The bim hex file is in this folder location:

C:\ti\simplelink_cc13x2_26x2_sdk_5_10_00_48\examples\rtos\CC1352R1_LAUNCHXL\ble5stack\hexfiles\bim_offchip\Release

The multi_sensor hex file is in the release folder after you rebuild all.

C:\ti\ccsv103workspace\CC1352Rv510\multi_sensor_CC13X2R1_LAUNCHXL_tirtos_ccs\Release

Use SmartRF Flash Programmer version 1.8.0. Flash the bim hex file. Then the multi sensor hex file. You can also do a mass erase first using the wrench icon. The blue led should blink after flashing.

-kel

Hi,

I got response from our customer as shown below:

"Ok, I got it, I can now reflash the factory image but I don't know how to boot from it if I flash something else afterwards. If the new image is wrong, the factory image boots up, but I would like to boot from factory image it even if the new one is right. Isn't it possible? Doing BT1/off/on/BT1 always starts the new image, not the factory one."

I hope you can further help us.

Kind regards,
Gerald