I am trying to reload the DFU bootloader in the ATMega8U2 of the Arduino UNO. I took the DFU bootloader source code from the D:\arduino-0022\hardware\arduino\firmwares\arduino-usbdfu and placed it in LUFA 100807 project's directory and used WINAVR's programmer's notepad (pn) to generate the .hex file for the DFU bootloader.
I used the commands: make clean make all make program
I kept the Arduino UNO in DFU mode before generating the hex file. when the 'pn' runs the command make program it is giving the following error:
avrdude: usbdev_open(): did not find any USB device "usb"
Do I need to install any USB drivers to make the Arduino UNO in DFU mode to look like a USB device? If so, where can I find the drivers? Am I following the right method to reload the DFU bootloader? I followed the readme.txt in the arduino-usbdfu directory.
Best Regards, Anil Palaparthi.