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Couldn't able to freeze IWDG in stop 2 mode

Hi,Greetings,I would like to freeze the IWDG in stop 2 mode.Code is available here:// Read bit and regitster                           LOG_Print("Flash->OPTR Value(Before):%#x\n",READ_BIT(FLASH->OPTR, FLASH_OPTR_IWDG_STOP));                       ...

SPare.9 by • Associate II
  • 668 Views
  • 0 replies
  • 1 kudos

Looking for SDIO + eMMC example (STM32F401)

Hi,I'm looking for an example with SDIO + eMMC (and not SD). Is there something like that ?I know that there are threads about it, but I have not found a solution.Does someone get eMMC working? Read/Write? Could you please share your code or help to ...

JCorn.2 by • Associate II
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  • 2 replies
  • 0 kudos

What else might cause the processor to not responding or booting up? I have checked the clocks, voltages, and reset state. All are correct, but I get the following below.

I have the stm32f417 connected through 10 pin JTAG connector to a Sagger J-link debugger. I am using the SWD pins only. My prototype was working without issue, but now it sometimes it works and sometimes it doesn't. I have two more prototypes perform...

EDavi by • Associate
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  • 1 replies
  • 0 kudos

How do I stop my program from running in Vbat mode?

Hi,I am using a Nucleo F429ZI. I want to use a CR2032 battery with the Vbat pin, just to keep the Nucleo's clock and back-up registers going whenever the board is disconnected from its supply power. At the moment now, I am testing a program that prin...

JChan.0 by • Associate II
  • 1309 Views
  • 2 replies
  • 0 kudos

Use stm32 flash

hi if it is possible you have an example where I write the value 8 to the eeprom and then I read it again in the same address ...Hal_FLASH_programm ... (). And readthank you

SDall by • Associate II
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  • 2 replies
  • 0 kudos

How do I save application data on my MCU in NVM?

I'm using the STMF1 series and the HAL drivers. I already use a boot-loader to write into application space. However, now the the application to take some input data and save it permanently to a non-volatile-memory space. I assume I can use the HAL_...

DJC by • Senior
  • 3291 Views
  • 6 replies
  • 1 kudos

Resolved! SPI Receive problem

Posted on June 27, 2017 at 06:45Hi all,I am trying to read a four bytes register from TDC-GP30 ultrasonic flow converter using HAL_SPI_Receive function. Below is the code that I am using for reading the register contents:/***************************...

Resolved! ADC with LCD “Hello world�?

Hello ST Community,in the folder STM32Cube/Repositery/STM32Cube_FW_F4_V1.24.1/Projects/STM32F413H-Discovery/Applications/STemWin/STemWin_HelloWorld.I debug it into the card, it works but now i wanna use the ADC to convert some analog data and display...

idrissmc by • Associate III
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