Avrdude: usbdev_open() did not find any USB device "usb

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#1
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I can connect and program JTAG devices using my JTAGICE-mk2 via Studio4 or CodeVision.

But when I try to use:

 avrdude -p m128 -c jtagmkii -v -P usb

I just get an error: Avrdude: usbdev_open() did not find any USB device "usb"
I have also tried (serial# is 00B00000346F):

 avrdude -p m128 -c jtagmkii -v -P usb:34:6f

I have no trouble with a mk1 clone on usb (appears as com6):

 avrdude -p m128 -c jtagmki -v -P com6

I have been messing around with LUFA devices, and I do not know whether I may have upset some registry.

avrdude is version 5.6cvs

The JTAG2 seems fine for debugging via Studio.

David.

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So avrdude can only access the JTAG-2 via a different driver to Studio.

I have made several attempts to uninstall the Jungo driver and install the JTAG-2 driver in the libusb/bin/ directory. It still seems to load the Jungo driver.

So I have come to the conclusion that since any debugging will be via Studio, I may just as well keep the Studio Jungo drivers and forget about avrdude.

I can always use jtagiceii.exe for programming most chips. My jtagiceii.exe will not do the xmega chips. However Studio will program the xmega using the JTAG-2 hardware.
Avrdude claims to program the xmega, but I will just have to use Studio.

CodeVision will compile for an xmega but not program it.

I presume that I will just have to wait for a revision of jtagiceii.exe that will understand the xmega.

David.

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referto this link and download the libusb-win32 and install it, avrdude will find your programmer and serial number

http://www.mail-archive.com/avr-chat@nongnu.org/msg01217.html