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stm32 USART synchronous Mode

Posted on February 20, 2013 at 11:31 hello I want to use synchronous mode Usart But I'm totally confused When I activate the clock I can not determine if Master or Slave? Please help Me USART_InitTypeDef USART_InitS...

FATFS - slow

Posted on February 20, 2013 at 14:41Hi , A general question about fatfs and SDIO interface , i have a relative many read/seek operations in my program flow,and its taking a segnificant time of the all ''runtime''. Is there anyway to speed things up?...

STM32L Clock Issue

Posted on January 24, 2013 at 08:24Hi all, STM32L processor does not start function with the PLL clock. External Oscillator (HSE) = 8Mhz. PLL clock source (PLLSRC) = HSE PLL multiplication factor (PLLMUL)= 6. PLL Division factor (PLLDIV)= 2. SYSCLK ...

STM32F0 Analog Input

Posted on February 20, 2013 at 15:12Hello, i only got one question: is it possible to connect one external analog input (PA3) to the COMP2 which is used as OPAMP and then use the Output (PA2) directly as input for the ADC and the COMP1?i need to amp...

STM32F4 problem with USART1 INTERRUPT

Posted on February 19, 2013 at 21:52Hi guys,I have a problem with my new schede STM32F407VG. Until now I have been used the STM32F100B so now I'm adapting the code that I wrote. Part of my code is USART with interrupt, so I have wrote a code that re...

External Memory - Hardfault on startup

Posted on February 19, 2013 at 19:27Hi, I am having problem with the external memory. Not so long ago my program used both the internal memory and the external, but I managed to move both the heap and the stack to the external memory (2 megabyte) ,...

Discovery BaseBoards (for F4, F3, and VL)

Posted on February 20, 2013 at 03:50I have made baseboard PCBs for the Discovery-F4, Discovery-F3 and Discovery-VL that break out the signals to separate connectors for various ports and interfaces.  I am offering the PCBs for sale if you would find...

kornak by • Associate II
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Proper way to detect end of file using Fatfs???

Posted on February 17, 2013 at 00:39 Hi all, I am using fatfs as file system and I need to handle the end of file but I didn't file something equivalent to while(! feof (golf)) In an example available on fatfs, the end of fi...

stm32vl discovery usart comunication

Posted on February 16, 2013 at 18:02 hi everyone, i want to make a simple comunication from usart2 to usart3, i have shorted usart2_tx (PA2) to usart3_rx (PB11). The program send 8bit from usart2 to usart3 and ceck if the transmitted dat...

otti by • Associate II
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Reset bus power

Posted on February 15, 2013 at 20:48I use my STM32F0 to communicate with an SPI slave device, which is powered by the 3V bus on the STM32F0.My problem is that when I reset the STM32F0, the bus power is not interrupted, which leaves the SPI device in...

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