Bootloader

[Rahimi.Meysam]

Posted on April 02, 2015 at 19:01

Hi

First of all sorry if the question is very simple and ii have not enough information on Bootloader and its memory difficulties.I want to program my stm32f4 using usart without changing any boot pin. Can any one Help me for this problem. i have seen some forum on this subject but honestly didnt understand anything.Thank you for your answers #bootloader

[Tesla DeLorean]

Posted on April 02, 2015 at 22:55

Not sure what I can do to simplify things.

You basically need to jump into the ROM code in close to reset conditions, ie ROM mapped at zero, processor running from HSI, no interrupts active, etc. I've covered this in a few dozen threads.

[Rahimi.Meysam]

Posted on April 03, 2015 at 09:35

Thank you Clive. It will Help no doubt.

Do you know any document useful on this subject?Thanks again.

[Rahimi.Meysam]

Posted on April 03, 2015 at 17:08

Hi and Sorry to interrupt you again.

I searched and found program by ''AN3965'' Document.I think I can use this code with some simple modification(USART Used and Key Pin in my board)?!Whats your Opinion?again Thank you for your guidance.