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    I am using keil 5.25, CMSIS RTX (not the RTX5), Stm32f103c8 BluePill board. With keil project wizard, i am craating usb project. I can compile without any warning or error. When i load the...
  • How to detect if USB device is connected?
    Does anyone know how I can detect if my USB device is connected to a Host or not? Thx Steven
  • Understanding stellaries USB stack .
    Hi, I am newbie to USB protocol.I have read about basic working of USB, how it works, descriptors, endpoints and other related things. I have now taken a sample code for understanding how USB works...
  • USB CDC on STM32L device : unable to connect to host.
    Hi all, I try to make a device based on STM32L151 which will communicate through USB in CDC mode. My software was initially developped on an STM32F4-discovery board, and it was working perfectly...
  • How to detect PC connect to my USB Device
    I configure usb as mass storage device. I don't know how I can detect PC connection to my usb port.