STM32 MCUs Embedded software

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Resolved! Problems with STM32L552 USB-VCP

Is there anybody out there who got the USB running as VCP on a STM32L552 ? We have problems to get the system running with USB attached to a PC via VCP. We used the MXCube release 5.6.1 and created a small project with USB VCP. The VDD-USB Pin is co...

GS1 by Senior III
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  • 14 replies
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Bug in USBD_core when resetting?

I was chasing down a problem and came across this code in the USBD_LL_RESET function inside of USBD_core.c:if (pdev->pClassData != NULL) { if (pdev->pClass->DeInit != NULL) { (void)pdev->pClass->DeInit(pdev, (uint8_t)pdev->dev_config); ...

JKaz.1 by Associate III
  • 457 Views
  • 2 replies
  • 1 kudos

Ethernet design requirement with STM32H755

Dear Experts,We have a design with STM32H755 having 3 Ethernet ports. Out of which 1 is over RMII controller the other two are over SPI interface.My queries are as follows,1. We want to run all 3 three Ethernets at the same time, How to handle this s...

MK.111 by Associate II
  • 2014 Views
  • 9 replies
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Resolved! STM32F405 HAL I2C Code Bug Report

Code is missing:typedef struct{ __IO uint32_t CR1;    /*!< I2C Control register 1,   Address offset: 0x00 */ __IO uint32_t CR2;    /*!< I2C Control register 2,   Address offset: 0x04 */ __IO uint32_t OAR1;    /*!< I2C Own address register 1, Address ...

YSim.1 by Associate
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  • 1 replies
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Hello everyone, Does anyone know how to get the USB_OTG_HS set up as a virtual com port in STM32F769I-DISCO? I have followed some tutorials on how to set this up where they mentioned the following: Created a new project.

Selected Device only in the USB_OTG_HS menu. (Made sure that all the pin were set as expected from the schematic).In Middle ware I set Virtual Port Com in the USB_DEVICE section. The project builds fine, but my computer does not recognise any new po...

PMold.1 by Associate III
  • 385 Views
  • 2 replies
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CRC injection calculation failure

Hi,I'm implementing the X-CUBE-STL flash test in a project on a STM32F0 device and using STM32_Programmer_CLI.exe to inject CRCs after compilations to the binary. Compilation runs without any errors/warnings. Running the flash test on the device caus...

JTres.2 by Associate II
  • 2238 Views
  • 8 replies
  • 0 kudos