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Dual image boot ( linker )

Posted on June 20, 2012 at 14:52I explain you my use case in few words.I'm working on STM32F4xxx, 1MB flash.My dev. environement is EWARM 6.30.I have a small bootloader application starting at adress 0x08000000. Then I have my application ''image A'...

elharrar by • Associate II
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STM32 readout protection (level 1)

Posted on June 15, 2012 at 08:55Hi, when I enable the readout protection (level 1) using stm32-stlink-utility, I can't write anymore on the eeprom. if I try to disable the readout protection (level 0) using stm32-stlink-utility, it works perfectly. ...

How to fill the stack with a constant?

Posted on June 19, 2012 at 11:21How do I modify (startup*.s ?) to fill the stack with a constant value? Example assembler code would be appreciated. I want to check stack usage. I posted a similar question to this in the Keil forum http://www.keil.c...

John F. by • Senior
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l3g4200d an�?² stm32 problem

Posted on January 05, 2012 at 22:28Hi! I have a board with L3G4200D gyroscope and STM32F103 mcu. Gyroscope is connected to mcu via SPI bus (SPI2 on mcu). But it's not working because of some strange things. Reading from gyroscope controll registers ...

howto connect a sdcard to a STM32F4-discovery

Posted on June 19, 2012 at 11:23i'm pretty new with STM32 controllers. I mannaged to connect a lcd to the chip. Now i wan't to connect a sd card, load a bmp from it and display this to the screen. but the first thing i ran into is how to connect t...

arnold by • Associate II
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CAN frames timestamping

Posted on June 19, 2012 at 11:28Hi, I'm trying to benchmark a real-time CAN bus protocol exploiting the TTCAN features of the STM32 CAN controller.Enabling CAN_MCR->TTCM and reading CAN_RDTR->TIME should give a precise timestamp expressed in bit tim...

martino2 by • Associate
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Writing to flash problem

Posted on June 18, 2012 at 18:45Hi,I tried one of the flash examples for the STM32f4 Discovery. First i tried to read from adress 0x80E0000, then i tried to write to that same adress. After this, when I try to debug, i got the error ''No source avai...

thommagn by • Associate II
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