topic Re: KEAZ128 noint data flash image in Kinetis Microcontrollers

KEAZ128 noint data flash image

xiabin — Wed, 16 Sep 2020 02:58:31 GMT

I use MCU : KEAZ128, I need noinit data function. I refer to this example https://community.nxp.com/t5/S32-Design-Studio-Knowledge-Base/EXAMPLE-S32K144-noinit-section-usage/ta-p/1127254

The noinit fuction is ok. but the flash image file (.hex)added the following lines:

"S3111FFFF000000000000000000000000000E0"

I need to delete these lines manually, which is very troublesome.
How can I automatically remove these lines?

Re: KEAZ128 noint data flash image

kerryzhou — Thu, 17 Sep 2020 06:06:05 GMT

Hi xiabin,

Please tell me which IDE you are using? S32DS or CW or KDS?

I help you checked your attached .hex file directly, in fact, it is not the real hex file, it is the srec file, that's why you find it contains S3 S0 header.

More srec details, please check the srec format:

https://www.jianshu.com/p/4029c71aa09e

About the code S3111FFFF000000000000000000000000000E0, I think in your practical usage, if you don't need to use it, when you read the address is not the flash address, you totally can ignore it.

Wish it helps you!

If you still have questions about it, please kindly let me know!

Best Regards,

Kerry

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Re: KEAZ128 noint data flash image

xiabin — Thu, 17 Sep 2020 09:57:29 GMT

Hi kerryzhou:

I use CW IDE. I know this hex file is actually S19 file.

I'm sorry I didn't make the question clear.

What I want to ask is that s19 file contains the address of ram instead of flash address.( S3111FFFF000000000000000000000000000E0).

When I want to give this file to my client, I have to delete this line manually. I find it very troublesome.

So I want to ask, how can I delete this line, automatically.

thanks!

Re: KEAZ128 noint data flash image

kerryzhou — Fri, 18 Sep 2020 03:22:51 GMT

Hi xiabin,

Your code in the srec: S3111FFFF000000000000000000000000000E0,

It is totally generated by your divide the my_data section, which is used as your nonint area.

This section data is generated by the CW.

If you don't want to get this area bin code, you can delete all you my_data sections in the link, and the myRAM in your main.c. That will generate the no code about:

S3111FFFF000000000000000000000000000E0

But, if you still need this function, I think you may checking it in your client, when readout the flash address 1FFFF000, just ignore this frame data.

Just from the CW side, I didn't find any othe way to delete it, except delete your link related section allocated code.

Wish it helps you!

If you still have questions about it, please kindly let me know!

Best Regards,

Kerry

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- We are following threads for 7 weeks after the last post, later replies are ignored

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