STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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Forum Posts

Issues with HAL_SPI_TransmitReceive_DMA

Hi all--I am using HAL_SPI_TransmitReceive_DMA to retrieve data periodically from an inertial sensor. I receive an EXTI interrupt when the sensor indicates that data is ready, and in response to this I call HAL_SPI_TransmitReceive_DMA to retrieve 15 ...

crwper by Senior
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  • 5 replies
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Resolved! STM32F407 USB host enumeration routine is not called

Hi, my USB host (CDC class) enumeration get stalled when the device is attached and enumeration status is ENUM_IDLE. The "IF then" test statement "if ( USBH_HandleEnum(phost) == USBH_OK)" should call the routine USBH_HandleEnum() but it does not and ...

Paulus by Associate II
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  • 2 replies
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I'm trying to download STM32F7 firmware: "STM32Cube MCU Package for STM32F7 series". I've tried at least 10 times in the last several days and they all fail, usually with an Access Denied message

i'm using Google Chrome. it typically makes it to 1GB of the 1.1 GB zip file. i once got the zip file to download but it wouldn't let me open it because I didn't have permission. No amount of trying to change the permissions made it work. i suspect t...

JCobu.1 by Associate II
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AT45DB SPI flash + fatfs

Im using CMSIS drivers for AT45DB and SPI. And Keil filesystem.And stuff dont work. After I call fformat function Im getting stuck at EraseChip function in AT45DB641E.c @  while (ptrSPI->GetDataCount() != 4);The thing is that byte are sent, but I nev...