S32Kのトピック[Security]porting security to APP but loop in (FALSE == Mu_Ip_IsResponseReady)

[Security]porting security to APP but loop in (FALSE == Mu_Ip_IsResponseReady)

faiz_gear — Thu, 18 Apr 2024 09:20:12 GMT

We are using S32K312,and the HSE function is running successful in FBL.

Now we want to porting the security for FBL to APP,but we find is loop in

while ((FALSE == Mu_Ip_IsResponseReady(Hse_Ip_apMuBase[u8MuInstance], u8MuChannel)) && (u32ElapsedTicks < u32TimeoutTicks))

in Hse_Ip_ServiceRequest when we call the Hse service.

But it is all right in FBL.I want to konw what may causes the HSE to be unresponsive?

Re: [Security]porting security to APP but loop in (FALSE == Mu_Ip_IsResponseReady)

David2024 — Fri, 09 Aug 2024 01:15:38 GMT

Hi:

I met the same problem as you, if you have solved this problem, can you share the solution with me, thanks very much!

Re: [Security]porting security to APP but loop in (FALSE == Mu_Ip_IsResponseReady)

faiz_gear — Fri, 09 Aug 2024 01:35:32 GMT

please check the address of data that you want to send to HSE,It should be in sram data or dtcm

Re: [Security]porting security to APP but loop in (FALSE == Mu_Ip_IsResponseReady)

WeoWang — Thu, 15 Aug 2024 03:41:06 GMT

Hi David,

If you call the HSE service asynchronously, and you have the debugger attached to the MCU, you can try to remove the debugger and add a message print(via CAN or UART) or toggle an LED after this function

“while ((FALSE == Mu_Ip_IsResponseReady(Hse_Ip_apMuBase[u8MuInstance], u8MuChannel)) && (u32ElapsedTicks < u32TimeoutTicks))”

We found that sometimes the interrupts could not be entered when the debugger was attached.

You can also check whether the related interrupts are enabled or not:

Best Regards

Re: [Security]porting security to APP but loop in (FALSE == Mu_Ip_IsResponseReady)

FHY — Tue, 27 Aug 2024 01:19:59 GMT

Hi faiz_gear，
I encountered the same problem. Have you found a solution. Is it necessary to perform some configuration operations before using HSE capabilities? Could you please share the specific solution? Thank you very much.