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f4discovery : weird gpio behavior

Posted on April 17, 2013 at 22:08Hello fellow f4/stm32 Users.I just bought a f4Discovery and i'm trying to get a grip on this great ''little'' piece of hardware.i'm trying to do very basic things just to get a grip by reimplementing a little piece o...

jejeva by Associate II
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How to execute code from internal SRAM?

Posted on April 18, 2013 at 16:24Hi guys! I need some help. Im working with the STM32F4 discovery and CoIDE 1.7.1 and I want to know what should I do to indicate to CoIDE that I want to save some code in the internal SRAM memory, because I need that...

Ethernet problem

Posted on April 20, 2013 at 12:46Dear allI have made a custom board based on stm32f407IGT6 and used the same schematics from keil MBCSTM32F400 board, I have written this simple program for testing PING,I'm using keil toolsint main(void){         Sys...

VCP example

Posted on June 01, 2012 at 12:17Can anyone post a link to a working Virtual COM port example for the STM32F4 discovery board. -gandalf #vcp-download-drivers

anoop by Associate II
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USB and CAN STM32F

Posted on April 19, 2013 at 08:01In the RM0090 Rev.3 there is a note in the CAN section saying''Note: In low, medium-, high- and XL-density devices the USB and CAN share a dedicated 512-byte SRAM memory for data transmission and reception, and so th...

cm600 by Associate II
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usart hangs when nothing connected

Posted on April 14, 2013 at 00:00If I dont have anything on the usart port then it hangs when sending data. I have a ''debug'' usart output that I only want to use sometimes. But if I dont have anything connected then it will sit and hang here PUTCH...

Hard fault at misaligned memcpy memset

Posted on April 15, 2013 at 16:11Already posted this on Keil Website, it was tested with STM32F100, therefore:we made some simple tests with STM32F100 Value Line Eval Board://--------------------------------------------------------------------------...

STM32F4Discovery VCP Problem

Posted on April 18, 2013 at 18:44Hello,I want to test http://www.mediafire.com/?0ghzhc6jgn90u4k of VCP on STM32F4 Discovery board.But in building the project the following error occurs.warning: implicit declaration of function 'VCP_dataTx' is invali...