topic Re: DEVKIT MPC5744P - Error in ONCE status register during instruction execution in Model-Based Design Toolbox (MBDT)

DEVKIT MPC5744P - Error in ONCE status register during instruction execution

ext-rafael_barb — Mon, 18 Mar 2019 10:21:26 GMT

Hello,

I am facing the following error with the boot loader on S32 Design Studio for Power Architecture for flashing the image MPC574xP_S32DS_UART1_CAN0_OpenSDA.rbf on the MPC5744P board (To be able to download the applications from MATLAB/Simulink).

I already could flash the boot load for one board, however I found the error when trying to flash the boot loader in the second board, using the same configuration and the same computer.

What could be happening?

Re: DEVKIT MPC5744P - Error in ONCE status register during instruction execution

Daniel_Popa — Mon, 18 Mar 2019 11:33:55 GMT

Hi Rafael,

In general, the message "Error in ONCE status register during instruction execution" means that the connection between the P&E interface and the MPC5744 chip has been lost during the download process due to multiple possible causes like:

debug shift frequency being too high
a RESET has occurred
bad signal due to bad hardware

Are you able to create and debug a simple stationery MPC5744P project on this board using the S32 Design Studio? Can you confirm that normal debugging works ?

If S32DS is not working, then please give a try with PKG MPC55xx/56xx/57xx & STMicro SPC5 Development Package | PKG MPC55xx/56xx/57xx & STMicroelectronics SPC5 development p…

If none of the above works then you might have a broken evaluation board that need to be replaced.

Hope this helps!

Daniel

Re: DEVKIT MPC5744P - Error in ONCE status register during instruction execution

ext-rafael_barb — Mon, 18 Mar 2019 13:44:35 GMT

Hello Daniel,

I just followed the steps, but it doesn't work.
Probably it should be a bad hardware, because I could work with two other boards, but just one had issues.

Thank you for the support.

Rafael

Re: DEVKIT MPC5744P - Error in ONCE status register during instruction execution

bingwang312 — Fri, 10 Dec 2021 23:55:17 GMT

I got similar errors when try to debug an example project from S32mDS PA V2.1+ SDK3.0.3, i have updated everything. I found that shift frequency is gray color and always 5000khz , it is not changeable in debug configuration menu, how to change this setting to make frequency slower?

thanks

Re: DEVKIT MPC5744P - Error in ONCE status register during instruction execution

bingwang312 — Sat, 11 Dec 2021 03:55:12 GMT

I got same errors when i am trying to debug some examples from S32DS PA +SDK3.0.3, and everything up to date, all examples failed on debugging. I tried to flash an old successful project's .elf file , the devkit board works very well. the debug configuration , debug shift frequency is gray color, how to change the default 5000k down to a lower speed?

Re: DEVKIT MPC5744P - Error in ONCE status register during instruction execution

KaiRiek — Wed, 22 Dec 2021 08:26:36 GMT

Any news here? Got the same problems with 4 out of 10 boards.

I am only using the onboard debugger, so i can't change the default frequency to anything else than 5000. Due to some community information i tried to debug the problem a bit further. What i found so far:

Stepping with the dubugger until the controllers clock setup is done. Then the controller seems to work fine.
If i just let the controller run, the reset pin to toggles with a period of about 12ms.