STM32 MCUs products

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STM32H7 RAM Domain linkcmds modification error,

In H7 , RAM_D2 have 288KB size memory domain. Currently i'm looking to split this domain memory into two areas as below,MEMORY { RAM_INT  : ORIGIN = 0x20000000, LENGTH = 128K RAM_D1  : ORIGIN = 0x24000000, LENGTH = 512K RAM_D2  : ORIGIN = 0x300000...

KVija by Associate II
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Resolved! Can I set the heap size to zero?

In my STM32F72xx/3xx project, I'm not allocating memory dynamically, i.e., I'm using neither malloc nor free. And I'm restricting myself to C, with no C++ parts.Is there a reason I shouldn't set the heap size to zero? Do any of the drivers, HAL or ...

STM32F4 Discovery and MPEG4 decoding

Posted on November 10, 2013 at 07:51Is it possible to decode a mpeg4 file in stm32f407 .at least 15 fps & 320x240 pixels.till now  i can decode jpeg pics quite fast . if its possible is there any open source library to do this?i have looked at ffmpe...

Resolved! RAM not getting written before reset on stm32f769n

I am working on a hard fault handler were I want to store some key values into ram before resetting. This data will then be further handled at next boot up.My problem is that the data does not get written into RAM unless I step through the writing co...

CODE vs RO vs RW vs ZI-data

Hi there, dumb, dumb, dumb, dumb question: which of the above, as reported by my Keil MDK compiler, count against my program space and which count against my RAM? Does CODE+RO go into my program space, or just CODE?Asking because I'm playing with te...

STM32F103ZC: External RAM write problems

Posted on July 19, 2017 at 08:49Hello,i'm using a F103ZC to interface the external RAM IS61WV51216BLL. I used the AN 2784 as reference (Same RAM and same pin connection). For setup up of the FSMC i used the Example in the F1 SPL (for STM32F10E Eval ...

P F by Associate
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Resolved! Store constant variables in Flash

Posted on May 31, 2017 at 20:54I am trying to figure out how to store a constant variable (a constant string of chars) on flash, so it does not occupy valuable blocks of RAM to store a const. In AVR there was something called PROGMEM, but here I can...