STM32 MCUs Embedded software

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Systick IRQ priority and HAL_Delay()

Hello everyone,return to the issue of problems that can arise using the HAL_Delay (), within the Interrupt service functions in projects for embedded systems without RTOS.Briefly: the HAL_Delay (), uses the interrupts thrown every mSec by the system ...

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LVara.1 by Associate II
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  • 3 replies
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Driver Support for Video Class for USB .

Hi , This is Krishnaraj K , Project Associate , CEET, IITMRP . We are in need to interface C270 USB Webcam Interface with Stm32l496Ret6 Microcontroller . We found a source at which is wriiten for stm32f429zi . But its difficult to migrate to our mic...

KRaj.1 by Associate
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  • 3 replies
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Interfacing of stm32F446re with SD card

#include <stdio.h> #include <string.h> #include "fatfs.h" #include "fatfs_sd.h" #include "main.h" FATFS fs; FIL fil; FATFS* pfs; DWORD fre_clust; uint32_t totalSpace, freeSpace; /* Private includes -------------------------------------------------...

Premaa by Associate
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  • 2 replies
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STM32F4 Usb fails to work only when in debug mode

I am working on a basic USB FS HID device on an STM32F411 Discovery Board, the USB code is the only code on the board. When I run the code from the STM32CubeIDE, the device fails to enumerate and Windows says "Device Not Recognized". I have no breakp...

MB.2 by Associate III
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  • 8 replies
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Resolved! USBFS not enumerating as VCP

Hello, I m using an STM32F249I DISC1 board. I'm trying to start-off with a basic USB VCP loopback functionality. I generated the code for USBFS as a CDC Device (VCP) using CubeMx. I set the clock to 168MHz (so that USBFS is clocked at 48 MHz). I ha...

PShri.1 by Associate
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stm32 lwip dhcp

I am using nucleof439 with lwip. I use DHCP to get ip address. Is anyway to detect IP address to be set? I notice there is two thread, "tcpip_thread" and "EthLink", I don't know which one is good for user to get ip address, also struct netif is local...

USB_HOST stack issue in Free RTOS

I'm using two STM32F407VGTX EVK boards to configure as host and device in BareMetal, which is working fine.I have configured (Host and Device) the same in FreeRTOS, but it is hitting hardfault error from "static void USBH_Process_OS(void *argument)" ...

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usha by Associate
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  • 1 replies
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Resolved! STM32F4 USB CDC+MSC+HID Composite Devices

I have tried create a USB Composite Device(CDC+MSC+HID) using STM32_USB_Device_Library V1.2.1, CDC and MSC works but HID not workable. When I use USBD_HID_SendReport() to send data to PC, MCU stuck.I have change the sequence of CDC/MSC/HID Interface/...

RHuan.1 by Associate
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  • 2 replies
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