STM32 MCUs Embedded software

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

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Resolved! SMT32L4 - SD card data transfer to PC

Posted on December 16, 2017 at 14:15Hi,I would like to make a device that works like a memory card reader:I want to share SD card's data in the PC. I would like to connect memory card to discovery board and using USB interface to transfer data.can i...

lorant124 by Associate III
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SPI Callback doesn't work the second time

Posted on December 13, 2017 at 03:32Hi,I'm trying to implement SPI Tx and Rx with LL API. In stripped down code, I have these in my initialization function:LL_SPI_EnableDMAReq_RXLL_SPI_EnableDMAReq_TXLL_DMA_ConfigTransfer(DmaInstanceT, DmaStreamT,LL...

usama2 by Associate II
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STM32F303 USB HID Output Report

Posted on December 12, 2017 at 20:26Hello,i have a functioning USB HID Keyboard on my STM32F303 with an Output Report. I used the STM32Cube Software to create the standard mouse device and created my project on that Base. Now I want to send somethin...

R. L. by Associate
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SPI Transmitting on NUCLEO32-l432kc

Posted on December 11, 2017 at 14:21Hello dear STM32.I have problem with SPI communicatoin on my nucleo32 board with STM32 l432kc. Already 2 days, I am trying to make SPI communicatin work, but without any result. When I was measuring with my Oscilo...

How to use Fatfs with DMA

Posted on June 10, 2017 at 07:26I want using DMA to read/wrrite file with fatfs.I try to  modifyif(BSP_SD_ReadBlocks((uint32_t*)buff,  (uint32_t) (sector), count, SD_DATATIMEOUT) == MSD_OK)toif(BSP_SD_ReadBlocks_DMA((uint32_t*)buff,  (uint32_t) (sec...

Delay in us

Posted on April 08, 2016 at 13:17hiI am coding with HAL driver.I need delay in us range.but HAL driver can creation delay in ms.so How can i use HAL Driver in us?  #hal_delay

l90mehdi by Associate II
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