• USB_CM3_L.lib frequency
    I have modified USB MSC Demo for STM32F103. All works fine with 8MHz crystal. But my finally application is build with 12MHz crystal. And it is my problem. USB is not working. 1. I changed Xtall...
  • USB OTG MSC in STM32 discovery
    I have been following a tutorial by Ralf Kopsch in youtube. I am facing a trouble in USB OTG MSC configuration for STM32F4-Discovery (STM32F407VGT6) board. The function finit(drive_name) returns fsDriverError...
  • USB dual-role OTG on STM32F4
    Can't figure out is it possible to configure Keil's Middleware for dual-role OTG host/device? I would like to be able to read from USB stick, if inserted, but also to present itself as a MSC device...
  • StTM32F4Discovery USB-OTG CDC Hardfault
    Hi, I hope someone can help. I try to play with µVision 5.10 and RTE on STM32F4Discovery board. I would like to implement an USB device with VCP. I install all needed components in RTE and configure...
  • Keil USB Driver for Atmel SAM3 OTG peripheral?
    Hi, I am trying to port the USBD_SAM3U.c (Atmel SAM3U, Device only) sample code from Keil to an Atmel SAM3A device. The peripheral changes from a device only to an OTG host. I don't need any host functions...