• 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...
  • doubt on USB endpoint
    Hi I have tried the endpoint 0 to send the data in HID is working well . But the problem is, how to send the data in USB endpoint 2 or other endpoints. Can u help me, any initialize is there? ...
  • USB HID Keyboard no Data on Endpoint 1
    Hi, I try to implement the HID keyboard protocol based on the HID example on my LPC1768 but unfortunately is doesn't work yet. The problem occurs after the host (Windows 7) reads the report descriptor...