STM32 MCUs Embedded software

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

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DEBUGGING ISSUE WITH USB-C

Hello community,I'm experiencing difficulty when debugging my software.I'm running Mac OS Catalina with a L433 Nucleo, plugged into my USB-C to USB-A converter.I wrote a very basic "echo" program to take my USART input and echo it back to my Mac.I ke...

STayl.3 by Associate II
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  • 3 replies
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STM32 FreeRTOS

I am using STM32F072RB.I have enable the FreeRTOS CMSIS1.I have created two tasks which uses the same UART for transmitting data.I want to use the semaphore concept to use this shared resource between two task.The task as belows:TASK 1 High priorit...

Bs.1 by Associate II
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  • 1 replies
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Resolved! problem with USB and timer

Hello,I need your help to recognize my issue correctly, please help me,background:I am having trouble using the stm32l053RB NUCLEO development board for USB protocol parsing.issue:When​ using timer to generate PWM, once the USB receive data is confi...

Jsong by Associate II
  • 2730 Views
  • 12 replies
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TouchGfx with QSPI + Audio

Hi,I am working on a project using STM32F7. So far I have touchgfx working with external QSPI for storing image resources. Everything is working good and expected so far.Now I would like to add audio functionality. The aim is to play WAV files when a...

VBUS not connected

I am trying to make USB work on a custom board. On our board the VBUS and ID lines from the USB-B connector is left floating, Because we always want to be in device modeSo to compensate for this I am using B-peripheral session valid override. This in...

LHoug.1 by Associate II
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  • 0 replies
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Resolved! STM32G4 + USB PD + Switching power profiles

I am studying USB PD now with the demo board B-G474E-DPOW1.I try to program the consumer and need help with switching profiles. When the cable is connected, the charger displays a list of available profiles. I can't figure out how to choose the right...

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ADoro.2 by Associate III
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  • 3 replies
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Problems with SPI DMA transfer on STM32H743

Hello community,I am facing massive problems using the SPI1 with DMA transfer on the STM32H743 Nucleo board. Using interrupt based transfer works, but when I try to use DMA I always receive zeros in the receive buffer and I get an overrun error from ...