• ARM:5.10 USB custom class Error
    When I use MDK 5.10 USB custom class ,build error: D:\Keil\ARM\Pack\Keil\MDK-Middleware\5.1.4\USB\Include\usbd_config_dev_0.c(23): error: #20: identifier "USBD_CUSTOM_CLASS0_IF0_EN" is undefined...
  • USB Custom Class
    Dear All, I use STM32F103VB MCU on my project, I do test some examples on MDK V5.10 and acquire some knowledge (surely not enough as an expert). Anyway, I try to write custome class USB Device with...
  • Custom USB Class troubles
    After connecting custom USB device, device appears on Windows Device Manager, during tracing these functions are called: usbd_cls_init usbd_cls_sof But the following functions are never called...
  • USB Device Custom Class
    Dear All, Hi I want to develop a custom class USB device (which is not listed in RL-ARM classes) such as a printer class. I use AT91SAM7X family of ARM processors. I found in RL-ARM help files...
  • µVision 5.10 & Debugging fault?
    Hello at Keil, i had attempt to debug an STM32F103VC at source level. The debug interface is an ULINK2 using SWD. The ULINK2 was previously updated to Firmware V2.2. At regular debug process, the...