• USB MSD+CDC composite device
    Although this issue was touched several times in the past, I would like to share my problems - maybe somebody has the clue. CPU is STM32f4 (Keil dev.board)in HS mode and RTX is running underneath. PC...
  • RTX USB Composite Device HID and MSC
    Hardware: Keil MCBSTM32F400 Software: Keil MDK V4.53, V4.52, V4.51 V4.50 I have created code to run USB Composite Device HID and MSC-SDIO with out RTX every thing is works fine. When I...
  • STM32F4 USB composite HID+MSC
    Hi all! Does anyone have an experience with making multi-interface (multi-class) USB with STM32F4 device? I am using STM32F4-discovery kit and usb library STM32_USB-Host-Device_Lib_V2.1.0. I have...
  • stm32 Composite USB Host CDC
    Using Keil uvision 5, I was finally able to get my device ( stm32f429) to emulate two Virtual Com Port in Windows successfully ( USB composite device), I can open two hyper terminal session with one...
  • Issues with composite VCP+MSC: VCP not working (L1)
    Hello, I am stuck in implementing USB composite (VCP+MSC) using FS-Device_Lib_V4.0.0 (STM32L151). Individually both works but when I try composite VCP+MSC, MSC works well but PC can't communicate...