STM32 MCUs Embedded software

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

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Forum Posts

Stuck at USB Core Soft Reset

I am trying to get USB High Speed running on my board, In the USB Core Soft Reset function, my code keeps on getting stuck in the do while loop that I have shown below. I have went through all the forum posts related to this and there has been no sol...

cannot communicate using SPI

I am trying to communicate to a e-paper display of waveshare 1.54inch v2 with B-WL5M-subg1. I have used the  program file the company has provided but there is no respone in the module. I have tried using esp32 and the module works fine with it. both...

naveen-0 by Associate
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  • 3 replies
  • 0 kudos

Low Power on Zephyr RTOS

Hello,I'm working with a RAK3172 based on STM32WLE5CC chip.I'm using Zephyr RTOS and trying to use the power management features.I've an uart communication, when CONFIG_PM=n, everything works well. When setting CONFIG_PM=y, I don't receive any data.I...

Resolved! Why to enable tx dma when only rx dma is needed?

Having faced the same problem, ended up in this thread. This is the same for HAL_SPI_Receive_DMA() as well, because it internally calls the transmitReceive function. So, it made me enable tx dma interrupt as well rx. Why on earth I have to enable tx ...

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

STM32U5 STOP2 with FreeRTOS

What should I pay attention to when I use stm32u5 FreeRtos stop2,When exiting stop2, do the relevant i2c spi adc uart peripherals need to be reinitialized?Is the value retained?Is there a routine for FreeRtos stop2?void Bsp_PowerManage_enter_stop_mod...