STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

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...

STM32F1x SPI can't reset/re-sync after a data error

Posted on April 19, 2013 at 16:34I have been looking at using the SPI peripheral on an STM32F103VET6 MCU. I am intending to use SPI to network 3 MCU's on a single PCB as I need to support 12 duplex high speed USARTS for a large RS485 project. I ran...

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
  • 995 Views
  • 6 replies
  • 0 kudos

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
  • 695 Views
  • 1 replies
  • 0 kudos

STM32F4 Serial Interrupts Crash

Posted on April 09, 2013 at 19:01The original post was too long to process during our migration. Please click on the attachment to read the original post.

jdp6q5 by Associate II
  • 1663 Views
  • 5 replies
  • 0 kudos

STM32F4 DISCOVERY with linux

Posted on April 05, 2013 at 17:26Hello, Am trying tocompile STM32 examples in linux but i want to know if i have to install some drivers so that the linux can recognize it. Best Regards, Dorra

ADC conversion question

Posted on April 13, 2013 at 17:39I have a potential divider circuit set up using the 3V and GND pins on the discovery board and two 100ohm pots, I measure a constant divided voltage of 1.25 (from ground to the ADC input) but when I debug in Uvision ...

bee2 by Associate II
  • 1810 Views
  • 10 replies
  • 0 kudos

NEW Operator under µVision 4

Posted on April 15, 2013 at 19:55Hello Community, i´m having a stm32f3Discovery under the Keil´s µVision4 Compiler programming in c++. I got to the point, where i could use the ''NEW''  operator. To be honest, i have no idea, what is really goin...