• USBMem Mass Storage example quirks
    Hello experts, I have been testing the Mass Storage example for the MCB2140 and found some strange behaviour. Example, the storage shows 14kB of space but if I try and copy a 3kB txt file the board...
  • Three USBCDC Interfaces support in usbser.sys ?
    I want to know that if USBCDC with three or more interfaces is supported by using usbser.sys. I can see three VirtualCOM in PC, but one of them shows "not used" in Windows Device Manager. So I can't...
  • USB CDC class problem with Windows usbser.sys
    Hoping to get some expert advice here, Have an embedded USB application running on a Cortex M4. Application uses full-speed USB and is based on a Freescale-provided CDC USB sample project. My bulk...
  • explain
    i am working in arm7/ 9 boards.. IDE IS keil3 version.. in all sample program..they given the retarget option.. what is the need of that..
  • usbser.sys: ReadFile success with 0 bytes read
    Hello everybody, I am having trouble making Windows API ReadFile function working properly with USB CDC (Communication Device Class) driver. Specifically, I am using CDC drivers supplied with Windows...