topic Re: How to store value in internal flash in CodeWarrior for MCU

How to store value in internal flash

yadhukrishnanvm — Tue, 21 Mar 2017 12:01:22 GMT

Hi,

I am using CW 10.7. I need to store data in the internal flash. I am using FRDM-KL25Z128, I tried to do it as per this link :Store a variable in ROM/FLASH . But it didn't give me the expected result. I created a bareboard project of FRDM-KL25Z128. Please anybody help on this

Thanks,

Yadu

Re: How to store value in internal flash

Alice_Yang — Fri, 24 Mar 2017 07:45:48 GMT

Hello Yadu,

On CW v10.7, the const data is stored in flash :

You also can checked it on the .map file :

If your project is not , you can send your project to me.

Hope it helps

Have a great day,
Alice Yang

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Re: How to store value in internal flash

yadhukrishnanvm — Mon, 27 Mar 2017 04:23:36 GMT

Hi Alice_Yang‌ ,

Thank you very much for the reply. I forgot to declare the const char myArray[] = "Hello World" globally that is why I didn't got the expected output. Anyway thank you very much :smileyhappy:

Re: How to store value in internal flash

yadhukrishnanvm — Mon, 27 Mar 2017 05:16:28 GMT

Hi,

I have another problem in storing the value. I am storing a audio hex file as const uint16_t. But I couldn't store more than 5kb, it overflows when I did that or got to PE_DEBUGHAULT function. I am using frdm-kl25z, it has 128kb flash then why can't I store atleast 64kb value in it. please help...

Re: How to store value in internal flash

Alice_Yang — Mon, 27 Mar 2017 10:20:49 GMT

Hello ,

In your project not only the hex file saved in flash, you can check the .map file about

the actual memory used . Or you can also send your project to me , I help you check it.

Alice

Re: How to store value in internal flash

stanish — Mon, 27 Mar 2017 11:04:06 GMT

Hi,

I've just tried to build the project with such a constant and at works fine on my side. Constant is allocated in FLASH and there is no overlap:

Stan

Re: How to store value in internal flash

yadhukrishnanvm — Mon, 27 Mar 2017 11:53:15 GMT

I am sorry to say, I don't know how to attach my project. Could you please tell me how to? :smileyhappy:

Re: How to store value in internal flash

Alice_Yang — Tue, 28 Mar 2017 02:22:59 GMT

Hello ,

- About how to attach project :

Alice