• USB_CM3 Library
    I am currently trying to write a driver for a custom class usb device. I believe this requires editing of functions held in the USB_CM3 library. I have tried to find the location of these functions...
  • USBH CDC ACM Virtual Com Port Question
    In Keil's Run Time Environment I will only use USB Port I use it as virtual com. When I coding USB Host Virtual com as usbh cdc acm, usart port included, why?? ////////////////////////...
  • USBH and GUI thread problem (from Keil examples)
    I am currently working on http://www.keil.com/appnotes/docs/apnt_268.asp example and stuck at stage 3 and 4. The MC doesn't start GUI thread and when I plug in a USB the os_error is called. How can I...
  • Does need USB_CM3.lib need RTX
    Hello, I'm using USB_CM3.lib for the first time, As my boss says this library needs RTX kernel to compile, but it's exactly the opposite the code compile without including the RTX in the project and...
  • USB device sources for USB_CM3.lib in MDK 4.20
    Hello. I am having some trouble finding the C source code for the USB_ARM_L/USB_CM3.lib libraries in the new MDK 4.20 release. Exactly where are the files included? I have been only able to find...