topic Re: UJA1169 problem in S32K

UJA1169 problem

w_lingjun — Fri, 17 Jan 2020 02:53:37 GMT

Hi,

I'm working on FBL development based on S32K142. Now I've programmed the application code into flash by FBL successfully, but after boot, I can't jump application correctly. Following is the memory map of our project.

I make two tests in my bootloader project as below.

main()

{

Board_Init();

Jump2App();

} // It can jump to application code.

main()

{

Board_Init();

SBC_Init();

Jump2App();

} // It can't jump to application code.

So I guess there is some special operation (such as DeInit?) for UJA1169 before jump to application code. I also initialize the SBC in application code because the application need SBC too. Is there anybody familiar with UJA1169 could give me some suggestion?

Best regards,

Sarah

Re: UJA1169 problem

razva_tilimpea — Mon, 20 Jan 2020 09:01:41 GMT

Hi,

Could you provide more details about how do you use SBC?

Based on available information I'm thinking that your do not feed the watchdog and reset is triggered.

To validate this possible root-cause please check reset signal or disconnect the SBC reset from MCU reset.

Best regards,

Razvan

Re: UJA1169 problem

w_lingjun — Tue, 04 Feb 2020 15:38:49 GMT

Hi Razvan,

I'm sorry reply so late that we have to stay at home because of novel coronavirus.

I set the SBC watchdog as below.

And I feed the SBC and System wathdog every 80ms by a timer.

Is there any problem about my seetting?

And I will check the reset signal after we start working until Feb. 10.

Thank you very much for your support!

Best regards,

Sarah

Re: UJA1169 problem

crwang — Tue, 09 Mar 2021 07:54:18 GMT

Hello ,

did u fix this issues .

I met other issues : how to disable UJA1169 watchdog in bootloader .

can you help me figure out this .

thanks