topic Program over LPC54608 flash size in LPC Microcontrollers

Program over LPC54608 flash size

YaChun — Wed, 25 Nov 2020 03:17:40 GMT

1. My program is over the flash size, the chip is LPC 54608.
I wanna dynamically copy the flash function into ram & execute.
How can do it?
I copy the flash data into ram, but cannot execute it normally, got hard fault instead.

2.Does MCUXpresso IDE support linker script with OVERLAY function?
If does, any example given?

Re: Program over LPC54608 flash size

Alice_Yang — Wed, 25 Nov 2020 08:58:13 GMT

Hello YaChun,

In MCUXpresso IDE, we can copy flash to ram to execute by enable"Plain load image":

I think copy to ram can't solve the flash over size issue, even though run in RAM, first code need save

in flash.

Regards,

Alice

Re: Program over LPC54608 flash size

YaChun — Wed, 25 Nov 2020 09:17:46 GMT

I can use external flash or any other storage...

And replace the function in ram dynamically maybe can solve.

Do you know how to do?

Re: Program over LPC54608 flash size

Alice_Yang — Thu, 26 Nov 2020 06:58:23 GMT

Hello,

Have a look at the part "17.13.5 Placing specific functions into RAM Blocks" of MCUXpresso IDE use guide. I attach it for you.

Regards,

Alice