Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.
HelloI have been trying to debug an USB issue I've had on my STM32F722 Nucleo. For whatever input I try to send with CDC only two bytes are sent to my host PC. I'm using the latest HAL drivers.When breaking in the function USB_WritePacket() I can see...
We are implementing USB Bootloader for our project. MCU is STM32F779NI and we are using ST HAL libraries for our implementation. After completion of checks, control suppose to enter into callback function via HAL_HCD_IRQHandler(). Device state chang...
Designing a board right now which has a STM32G072 to have two USB Type C ports, one sink and one DRP. First chip I looked at was the TCPP01-M12 - obviously it's the one on all the devboards. using it as a sink seems quite easy, though as a source or ...
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...
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...
I tried to transmit LIN communication data using HAL_LIN_SendBreak and 0x55 sync byte.The setting is 19200 bps, N, 8, 1I've looked at an example using stm32Fx but it's not.The program is in progress using TrueStudio.I would appreciate your help if...
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...
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...
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.
Hai, We have 2 MCUS in one board ,one act as Host and Other one as Device. when we are trying to make 1 MCU as Device and pc as host it works fine but when are trying to make one MCU as Host and Other MCU as Device Data transmission is not happening ...
