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

How to suppress initial glitch in DAC output.

In my application i have implemented WAV tone player with STM32F072RB using HAL library which utilizes internal DAC with DMA. when i start playback the tone there is spike at DAC output in a initial playback(after power up) and next successive playba...

kbhoi by Associate
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STM32L4 USB MSD Bootloader can't connect to WIN10.

This is the second time I’ve asked for help about coding a USB MSD bootloader for the STM32L4 using the STM32L4R9I-EVAL board. I gave up for a while but would really like to figure this out so I can move forward and be able to use the STM32L4. I used...

erussell by Associate II
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unrecognized usb driver in windows

Hello Im using STM32F407VET6 and im having a problem with the USB driver with the windows, when i plug the usb, the operational system dont recognize the microcontroler and shows me this error: unrecognized usb driver. I already installed the driver ...

TIM macros

My programming level is initial. Breaks with STM32L432KC.I would like to use the dynamic change of the TIMx period as soon as the TIMx Interruption from the previous period. How to practically use the _HAL_TIM_SET_AUTOREOLAD macro to load a new value...

CJaro by Associate
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Resolved! UCPD sink with external pull-down resistors?

Hey,the STM32G431 data sheet states that the UCPD unit has internal pull-down resistors. Now I want to flash my G431 via DFU, and USB-C doesn't provide power to a sink unless CC1 and CC2 are pulled down. It seems that the internal UCPD only works whe...

nicolai86 by Associate II
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  • 6 replies
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!!! BUG FOUND !!! : New Firmware version 1.8 introduced a sort of bug in USB Host enumeration - tested with STM32F105

If you upgrade to the last firmware (1.8) it will make the USB enumeration process no more work.To repeat the process just create a project using USB and put a breakpoint at the lines for each eventstatic void USBH_UserProcess (USBH_HandleTypeDef *p...

MAlek by Associate II
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  • 7 replies
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