STM32 MCUs Embedded software

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Resolved! USB Host: How to power VBUS?

I'd like to implement a USB host on my STM32F7x3 so that I can connect a USB mouse to it. I'm somewhat confused about VBUS, though.This is the respective diagram in the AN4879 USB Hardware Guide:According to the description, the box "Current limiter ...

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Bug in USB implementation in STM32CubeH7

Hello.I have found a bug in USB implementation in STM32CubeH7 (1.4.0 - 1.6.0). Steps to reproduce:1) Open the project from STM32H743I-EVAL\Applications\USB_Device\MSC_Standalone\MDK-ARM directory2) Apply HEAP fix from https://github.com/STMicroelectr...

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EngyCZ by Associate II
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About FatFs Return FR_NOT_ENABLED

I use stm32F746 & FreeRTOS & SDMMC & DMA.​When I use f_open in somewhere it will return FR_NOT_ENABLED...​But in my system have the other f_open & f_write is normal work(I am not remount).​My English is not very good,if anything can't understand pl...

wu ryan by Associate II
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How can I determine Source PDO capabilities?

I am developing an application using an STUSB4500 and an external MCU STM32G031K8 that should be able to read USB PD Source capabilities and allow the user to dynamically set custom PDOs.I have based the majority of my code off of the example softwar...

ardnew by Associate III
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Using X-Cube-Azure IoT kit P-L96G-CELL01 with UG96 Cellular Modem. The push button switch is not recognized so I cannot enter cellular credentials or TLS root CA certificate. Using software version 1.2.0. Tried pressing blue (joystick) during …...

Tera Term log:Starting Main Thread...****************************************************************  HWJ AZURE***  STM32 IoT Discovery kit for***     STM32F413/STM32F769/STM32L475/STM32L496 MCU***  X-CUBE-AZURE Cloud Connectivity Demonstration***  ...