topic Re: Linker for using EEPROM blockset in Model-Based Design Toolbox (MBDT)

Linker for using EEPROM blockset

Amruta — Wed, 20 Apr 2022 15:56:06 GMT

Hello Team,

I'm using EEPROM blocks for checking EEPROM functionality. I have few questions regarding it:

1.Do i need to modify the default linker file for adding EEPROM memory section?

2.I want to use the 4K Flexram memory for EEPROM implementation, do i need to partition flash memory as well in the linker file(if modified for the adding memory section for the flexram)?

It would be great if you could share any example for using eeprom blockset.

Thanks.

Re: Linker for using EEPROM blockset

danielmartynek — Fri, 22 Apr 2022 07:55:45 GMT

Hello @Amruta,

A2.

It must be partitioned.

https://www.nxp.com/docs/en/application-note/AN11983.pdf

AN11983, Section 9 Appendix A EEPROM examples

A1.

You can add a new section to the linker file for the FlexRAM.

https://community.nxp.com/t5/S32-Design-Studio-Knowledge-Base/EXAMPLE-S32K144-EEEPROM-usage-No-SDK/ta-p/1106848

But this is not a must, the FlexRAM can be read / written using pointers.

AN11983, Section 3.6.1 EEE writes

AN11983, Section 3.6.2 EEE reads

Regards,

Daniel

Re: Linker for using EEPROM blockset

Amruta — Tue, 10 May 2022 08:35:15 GMT

Hi Daniel,

Thank you for your response.

I have flashed the board using EEPROM blocks without modifying linker. And now the red LED on the board is getting flashed continuously and nothing is getting executed on it. Please guide me with it.

Thanks,

Amruta

Re: Linker for using EEPROM blockset

danielmartynek — Wed, 11 May 2022 08:51:31 GMT

Hi @Amruta,

I don't know what "flashing the board using EEPROM blocks" actually means.

Can you please eleborate?

The RED LED is the reset_b signal.

BR, Daniel

Re: Linker for using EEPROM blockset

Amruta — Fri, 13 May 2022 12:41:56 GMT

Hi Daniel,

Please find the attached EEPROM model which I build with Simulink and I flashed it on S32K144 EVB using SDA. After flashing this program, the RED LED(reset_b signal) got ON . And it is continuously ON. Even if I'm flashing other models it never goes off. I think the board went into error mode and it is not executing anything even if other models are flashed in the board using OpenSDA.

If I want to use EEPROM blocks in the model, do i need to partition memory in this case as well?

Please suggest me the steps for using EEPROM blocks.

Thanks,

Amruta

Re: Linker for using EEPROM blockset

danielmartynek — Fri, 13 May 2022 12:48:23 GMT

Hi @Amruta,

I'm sorry, we don't support Simulink in the S32K community.

I going to move the thread to MBDT community.

BR, Daniel