STM32 MCUs Products

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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...

STM32Cube_FW_F2_V1.4.0\Projects\STM32F207ZG-Nucleo\Examples\UART\UART_Printf , printing garbage data over the terminal

Posted on April 24, 2017 at 09:38Hi,I am flashing the UART sample code given in STM32CubeF2 in my STM32F207ZG nucleo board,It is compiling and flashing well but when I see the output on terminal (Tera term) it is printing garbage data (few character...

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...

STM32F407G-DISC1 board - USAR2 baud not correct

Posted on March 22, 2018 at 17:51I have a STM32F407G-DISC1 eval board that I'm trying to connect to my 'Linux' laptop using USART2 on the eval board and a prolific RS232<->USB converter attached to my laptop. Using the STM32CubeMX 4.25 software I ge...

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-...

In ping-pong code of STM32L072 Discovery kit LoRa module, can we enable Radio Receive interrupt and use it instead of polling it using Radio.Rx in the main loop? At present the ping-pong code does polling in main while(1) loop, I want it to be interrupt b

Posted on March 22, 2018 at 11:09At present the Pin-pong code polls for the data received on Radio(RF), can we use Radio Receive interrupt in place of Radio.Rx() function?#radio-receive-interrupt