STM32 MCUs Embedded software

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

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STM32H747-DISC0. HOW TO SETTING CHANGE USB SPEED?

Hello.I am creating software for the host side of a USB hub, and I want to connect a mouse to a port on the USB hub,I want to connect a mouse to the port of the USB hub and operate it. The USB communication speed of the USB hub is HI SPEED, and when ...

ATaka.2 by Associate II
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  • 4 replies
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Waking from STOP mode U575

I am trying to get the STM32U575 to wake from STOP3 mode using the NUCLEO-U575ZI-Q dev board. I followed the example to enable the wakeup pin, clear any pending wakeup flag, and then go to sleep. I have this configured to pin PC13 which is the user p...

bpat by Associate II
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  • 2 replies
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STM32F3x Zephyr Project, DMA configuration

Hi,I am trying to use the async transfers with usarts, but it fails to enable the UART (using uart_rx_enable), due to no DMA configured for the usart.I have not been able to modify the device tree for DMA, but so far unsuccessful.On the dma2 node, I ...

sbend by Associate II
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  • 1 replies
  • 1 kudos

I2C communication with pressure sensor

hi, I'm trying to connect this pressure sensor (WF100DPZ) using I2C with stm32 f070RB. But can't understand what address to use for this sensor after reading the datasheet. It'd be great if anyone could help. 

BME104 by Associate
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  • 5 replies
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Timer + PWM + DMA

Hi,I’m looking for some tutorial (or any other learning staff) related to Timer + PWM + DMA.Unfortunately, I couldn’t find much info related to these issues. I’d like to learn:LL_TIM_CC_EnableChannel() and LL_TIM_CC_DisableChannel():What exactly do t...

AFink by Associate III
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  • 2 replies
  • 2 kudos

Resolved! How to configure SAU of Trustzone in .ioc file?

Hi,I am trying to understand Trustzone concepts by building my own project. I’m using STM32U5-EVK and I went through the example project(GTZC_MPCWM_IllegalAccess_TrustZone project)to understand the basics. However, in this project, I noticed that the...