STM32 MCUs Embedded software

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

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STMCube simple HAL_UART_Transmit seems to die

Hi, I just tried to create a simple Test for USART but it doesn't work.I activated HSE, Serial Wire and UART2 for aynchronous 115200 baud. 8.1 via stmcubeThis is basically the code I wrote into main loop:... char text[] = "Hallo Welt!\r\n\0"; w...

TecDroiD by Associate II
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  • 5 replies
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[LL] Incorrect comment for VREFINT_CAL_VREF

In https://github.com/STMicroelectronics/STM32CubeL4/blob/c5e83f31696c3da4fb374224471afd08d9d457b3/Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_ll_adc.h#L346 the comment for VREFINT_CAL_VREF says /* Analog voltage reference (Vref+) value with which te...

bootloader for stm32f030k6t6

i am trying to make a bootloader for a stm32f030k6t6, i was reading the AN4325 application note, from what i understood that i can only have a USART bootloader on pins PA14/PA15 or PA9/PA10, and i have a bluetooth connected on the uart1 serial which ...

jdo by Associate II
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  • 9 replies
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Ethernet packets are dropped after receiving zero.

Dear all,I have established ethernet UDP connection using the following tutorial https://controllerstech.com/stm32-ethernet-3-udp-client/And i'm able to transmit and receive packets.But the problem is when my receive packet contains zero all the data...

Aarra.1 by Senior
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  • 1 replies
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Resolved! Are the USBPD_PE_Request_*() and USBPD_CAD_PortEnable() functions of the USBPD library thread-safe?

Hi,Am I allowed to call the USBPD_PE_Request_CtrlMessage(), USBPD_PE_Request_HardReset(), USBPD_CAD_PortEnable() and others from different threads?I want to request data role swap, power role swap and hard resets from my interface thread.Thanks!BR, C...

How to use HAL_SPI_Receive_DMA with dma1 and SPI6 ?

Hi, I am currently working on the STM32H743 and i'm trying to bring data from SPI6 to a buffer in D2. As I have a lot of data to read i would like to use the DMA in order to transfer data without using the cpu. I don't understand whether I can use th...

ALE C.1 by Associate II
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  • 14 replies
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