• Endpoints (USB) in the LPC 214x
    I have been through the USB sample code downloaded from the keil website and i have a few questions regarding how the endpoints are used 1) they have used a macro in the code to convert from logical...
  • USB endpoint freezes
    Hello everyone, please help me find the solution to this problem: I'm writing a composite device firmware for an Atmel SAM7S256 mcu. The firmware incorporates a usb keyboard and a HID. Because...
  • USB Endpoint call
    Hi, I modified USB memory example from Keil and I can enumerate. But I was trying to trace back how are the USB_Endpoint() functions called. For example usbuser.c file has EndPoint definitions that...
  • USB IN Endpoint hangs
    Hello Forum, I am facing a problem while working on USB 2.0 loopback for CDC implementation. Host is writing 65536 bytes of data and then reading it back from device. Problem is that after certain...
  • USB IN Endpoint hangs
    Hello Forum, I am facing a problem while working on USB 2.0 loopback for CDC implementation. Host is writing 65536 bytes of data and then reading it back from device. Problem is that after certain...