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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...

DMA STM32F4 with external SRAM and SSD1963 on FSMC

Posted on April 15, 2013 at 15:04Hello, I'm trying to configure DMA2 stream 0 to do a transfer from external SRAM on the FSMC to a SSD1963 Display controller also on the FSMC. This is my code can't seem to get it working, I assume this is possible? ...

keil problem Error #136

Posted on April 18, 2013 at 18:41Hello I have a struct in my code ;typedef struct { unsigned char  volume; unsigned char  l_bat; unsigned char  h_bat; unsigned char  rtc; unsigned char  pace; unsigned char  child;  unsigned char date; unsigned cha...

sami by • Associate II
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gnu math library about stm32f4

Posted on April 19, 2013 at 05:54I want to use stm32f4 to control my accelerometer. And I need to use the acceleration value to calculate the rotation degree. So I need sqrt() and acos() function from math.h . I used gnu tool with st-link to finish ...

ctc.ctc by • Associate II
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