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Resolved! DMA keep sending data

Hi all,I want to send 3 bytes with the UART DMA controllerbut when this line is executed, the uart sends these 3 bytes endlessly .Why does the transmitting not stop after 3 bytes ?HAL_UART_Transmit_DMA(&huart1,(uint8_t *)spi_buf_in,3);Thank youSteve

sde c.1 by • Senior II
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How to read chip id and unique id STM32L462REY

Hello, I want to read the chip ID and unique id by using SPI but I cannot read. I am using an external library, ( https://github.com/nimaltd/w25qxx for flash ) You can find my cube documents in the attachments below. What should I do? Thank you.

luplupp by • Associate
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  • 4 replies
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STM32 MCU powering the peripherals by VBAT

Currently we are looking for the possible approach for Switching between Main supply (LDO) and Vbat Operation. We have Two backup supplies requirement , Battery and supercap. Either one of the backup supplies is selected but provision should be provi...

SSiva.11 by • Associate
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Resolved! We're programming STM32F302 chip and getting an "unable to get core ID" failure. We've used the following hardware successfully numerous times on various PC's with success. Any ideas why this isn't working? Hardware setup in detials.

•STMicro programmerhttps://www.digikey.com/en/products/detail/stmicroelectronics/STLINKV3MINI/10266291?s=N4IgTCBcDaIMoBUAyBJAcgaQLQDUDMAsuiiALoC%2BQA•Programmer cablehttps://www.tag-connect.com/product/tc2030-ctx-stdc14-for-use-with-stm32-processors-...

Ybelf.1 by • Associate
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  • 2 replies
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Did my STM32L496 Disco arrive with broken internal settings?

Hello,I have recently purchased an STM32L496 Discovery Kit to play around with and get familiar with the chip. I have decided to start porting some of my OS from a different board to this board, but before I even got to that stage I ran into some iss...

FBisk.1 by • Associate II
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  • 6 replies
  • 1 kudos

SPI block on SPI_WaitFlagStateUntilTimeout

HI all,I have a custom board with stm32h743vit6 microController.I configurated SPI1 for comunicate with a SPI display (ili9488 managed by touchgfx with partial frame mode).My problem is that I can't reach high speed (more than 25mhz on SPI) else the ...

MPast.1 by • Senior II
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  • 3 replies
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CubeMX & FreeRTOS -> Using SysTick

Posted on March 31, 2016 at 12:11Hello I'd just like to know why CubeMX strongly recommends to use other timers besides SysTick as source? I've always thought that the SysTick timer is basically intended for use with an embedded OS? Thanks

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