S32K中的主题 S32K312-Unable to disable reset threshold function

S32K312-Unable to disable reset threshold function

Simon-Liu — Thu, 20 Jul 2023 06:16:06 GMT

Hello

When using the DS tool to configure the Reset function, set [Functional Reset Escalation Threshold] to 0 in the [Power] component, that is, turn off the Reset Escalation Threshold function. Call the interface Power_Ip_PerformReset in the code to execute the Reset action. After 8 consecutive Resets, the MCU cannot be powered on.
Why can't the Reset Escalation Threshold function be turned off? How can I turn off this function so that the MCU can be reset infinitely?

BestRegards

Simon

Re: S32K312-Unable to disable reset threshold function

danielmartynek — Thu, 20 Jul 2023 11:57:06 GMT

Hi @Simon-Liu,

Which version of the RTD do you use?

BR, Daniel

Re: S32K312-Unable to disable reset threshold function

Simon-Liu — Fri, 21 Jul 2023 01:16:34 GMT

Hi @danielmartynek

The information in the picture below is the version of RTD I am using, thanks.

BestRegards

Simon

Re: S32K312-Unable to disable reset threshold function

danielmartynek — Mon, 24 Jul 2023 13:21:26 GMT

Hi Simon,

In your setup, you probably see this behavior because you don't power cycle the MCU.

The driver clears the FRET register after POR or a desctructive reset only.

My test project is attached.

Once the project is loaded, power-cycle the MCU and attach the debugger back without reset.

It will be stuck in the while(stop){} loop.

The stop variable can be cleared via the debugger once attached.

You should see that the Power_Ip_Init() clears the FRET register if DES != 0.

Regards,

Daniel

Re: S32K312-Unable to disable reset threshold function

Simon-Liu — Tue, 25 Jul 2023 02:18:56 GMT

Hi @danielmartynek

Thank you for your answer.

I checked your project and found that your code is the same as mine. In the Power_Ip_MC_RGM_ResetInit function in my project, there is also the processing of clears the FRET register if DES != 0. The attachment is my project. Please help to find out where the problem is.

BestRegards

Simon

Re: S32K312-Unable to disable reset threshold function

Simon-Liu — Fri, 28 Jul 2023 01:32:15 GMT

Hi @danielmartynek

I learned that the registers FRET and DRET are used to set the Reset Escalation Threshold, so I set these two registers to 0 before restarting to disable the Reset Escalation Threshold. When I set the Power Reset Type to FunctionalReset, the MCU can always reset by calling the Power_Ip_PerformReset interface; if I set the Power Reset Type to DestructiveReset, the MCU will be stuck and unable to operate after calling the Power_Ip_PerformReset interface Reset 8 times.
What is the reason for this?

Looking forward for your reply, thank you.

BestRegards

Simon

Re: S32K312-Unable to disable reset threshold function

danielmartynek — Fri, 28 Jul 2023 09:52:57 GMT

Hi Simon,

Your observation seems to be right.

The DRET register is cleared only after POR.

If you trigger a functional descructive reset, DES[F_POR] = 0.

But it should be cleared after any DES reset if the driver is configured with DRET = 0 (escallation disabled).

It has been reported to the RTD team,

Regards,

Daniel

Re: S32K312-Unable to disable reset threshold function

Simon-Liu — Wed, 02 Aug 2023 03:24:08 GMT

Hi @danielmartynek

Thank you for your answer.

I hope the RTD team can give the cause and solution of the problem as soon as possible.

BestRegards

Siomon

Re: S32K312-Unable to disable reset threshold function

danielmartynek — Mon, 16 Oct 2023 08:53:53 GMT

Hi @Simon-Liu,

I'm sorry for the delay.

It is going to be fixed in this RTD version: BLN_RTD_4.7_S32K3XX_S32M27x_4.0.0

BR, Daniel

Re: S32K312-Unable to disable reset threshold function

Simon-Liu — Tue, 17 Oct 2023 01:47:07 GMT

Hi @danielmartynek

Thank you for your reply, please let me know when this RTD is released.

BestRegards,

Simon