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HSE do not oscillate anymore

Posted on March 22, 2018 at 10:57Hi guy,I was developing my lcd application under discoveryf4 (see photo) and everthing works fine.I decided to develop my custom board, and use discovery to flash and debug my stm32f407vgt6 mounted on my custom board...

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How does the disk_write function in diskio.c work

Posted on March 23, 2018 at 01:13As I am debugging code I ran into a problem in f_close which leads me to the disk_write function in diskio.c.  It looks like this function calls itself?  I am stuggling to understand just what this line does:res = di...

STM32f429 vs STM32F767, process speed?

Posted on March 20, 2017 at 13:31Hi, We are testing a code which is generated from simulink. Code  is processing over the single precision operands. When we compile the code with keil , by choosing STM32F767 and SP FPU, the maximum time to complete ...

ST-link TRACESWO.

Posted on March 22, 2018 at 13:36Hi, I am trying to download SWO stream from ST32f746 discovery board. I was able to see all of the ouptut in 'Printf via SWO Viewer' .I want to have binary values to be dumped. Is it possible to download this by ST-L...

What is the maximum STM32F7 TIM1 PWM frequency?

Posted on March 22, 2018 at 16:02Now I am using STM32F7 Discovery board. I want to make TIM1 PWM with high frequency.I made 10MHz PWM frequency. However, I can't increase the PWM frequency even though I change 'Prescaler ' and 'Period '.htim1.Init.P...

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CubeMx Generates Garbage Init Code??

Posted on March 16, 2018 at 02:05Using CubeMX V4.7.1 I get garbage initialization code for RTC.c when I request initialization be generated as .c.h file pairs.Simple demo case:Start CubeMXNew ProjectSelect STMf103C8Tx as targetUnder Pins Select RTC-...