STM32 MCUs Embedded software

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

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STM32 USB HID keyboard with media keys

I have developed the USB HID code for keyboard. Now I wanted to add the media keys in it, like next/previous/mute/pause etc.Can I get any reference for it. Is there standard HID codes for keys or I have to change report descriptor or anything else t...

Bs.1 by Associate II
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STM32 CAN bootloader

Hello,I have a few questions regarding the system memory bootloader on STM32 cortex-M products (especially STM32F446, though other parts as well).1) Is there no timeout to get out of the bootloader if no communication is detected?I mean, the system b...

SZano by Associate III
  • 2421 Views
  • 5 replies
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To LIN communication via UART

I tried to transmit LIN communication data using HAL_LIN_SendBreak and 0x55 sync byte.The setting is 19200 bps,​ N, 8, 1​I've looked at an example using stm32Fx but it's not.​The program is in progress using TrueStudio.I would appreciate your help if...

HLee.9 by Associate
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  • 2 replies
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hard fault on start up

Hi,I'm currently experiencing a hard fault exception, when my code jumps from bootloader to application. This only happen when I reset the unit after flashing using ST link utility. e.g. If I flash the unit and does not reset, program works fine. Thi...

Cchua.1 by Associate
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Timers Interrupts NOT WORKING STM32F401RE - void HAL_TIM_PeriodElpasedCallback(TIM_HandleTypeDef *htim);

Please check: https://community.st.com/s/question/0D53W00000UBHwvSAH/timers-interrupts-not-working-stm32f401reThe problem seems that "HAL_TIM_PeriodElapsedCallback" in "stm32f4xx_hal_tim.c" is not choosing the one function that I wrote in "main.c" un...

JCuer.2 by Associate II
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LWIP UDP no OS example

Hi there, I'm using nucleo h743-zi2, for evaluation,I need a LWIP Udp client-server simple code example - NO OS.I'll be very happy if some if someone will provide a link...Thanks,Lior.

LSmil.1 by Associate II
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Resolved! H7 USB FS default conf. using STM32Cube FW_H7 V1.8.0, not working unable to enumerate USB device

H7 Default configuration using MXCube, for USB Device FS, CDC gives error unable to enumerate USB, device not accepting address 44, error -71 and Device not responding to setup address. Board is Nucleo-H743. Using default configuration same as above,...

JBere.1 by Associate II
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  • 7 replies
  • 0 kudos