About moustaid jamal

moustaid jamal · 2017-05-29

Posted on May 29, 2017 at 15:26Hi,In my project i want to use two uart in the same card (stm32F4xx), the first UART (UART6) is connected with PC and the seconde one (UART3) is connected with others cards.It's possible to send via UART3 what i recei...

moustaid jamal · 2017-03-08

Posted on March 08, 2017 at 15:51Hi I have a custom bootloader that I flash to the first sector (0x8000000) and when it receives a new program it loads it to 0x8003000. I can jumps to the user application,and also jumps from user application to the...

moustaid jamal · 2017-03-01

Posted on March 01, 2017 at 17:07Hi I have a custom bootloader that I flash to the first sector (0x8000000) and when it receives a new program it loads it to 0x8003000. I can jumps to the user application,however when It from user application jump...

moustaid jamal · 2017-03-09

Posted on March 09, 2017 at 12:05I chosed 0x200001DC as an adresse for FOO, but when i jump from user application to bootloader 'foo->a' and 'foo->b' equals zero, so foo->x change when i jump. any suggestion thank's

moustaid jamal · 2017-03-08

Posted on March 08, 2017 at 18:14How can i choose the adresse 0x2000FF00, should be before the bootloader or in application memory?thnak's

moustaid jamal · 2017-03-08

Posted on March 08, 2017 at 17:05should i do that in my custom bootloader?typedef struct _FOO { int a; int b;} FOO;FOO *foo = (FOO *)0x2000FF00;if (foo->a == 1234) // thats mean i was in application { //do ......}Thank you

moustaid jamal · 2017-03-02

Posted on March 02, 2017 at 09:37can you tell me what i should do before jumping from user application to custom bootloader, and if i should change the vector table in custom bootloader?thank you;

moustaid jamal · 2017-03-01

Posted on March 01, 2017 at 18:01When I jump to the custom bootloader I can't communicate with the hyperterminal anymore, i don't use interrupt, i just jump to bootloader custom from user application

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can i share a variable between custom bootloader and user application?

jump from user application to custom bootloader

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