Hi, Here is my patch that patches the three patches in #7486. I have put it here for posterity. It has been built with libusb-1.0 and the development branch of libftdi that uses libusb-1.0 in Windows 32 using Mingw32 and the corresponding prebuilt developer libraries in http://code.google.com/p/picusb/downloads/list. I have tested it with the UM232H module sold by Glyn.com.au with much success.
The problem of course, is using libusb-1.0 and libftdi that aren't made using the older libusb so probably won't 'just work' in current Linux distributions so in the near future I will rejig it to work with the older versions of these libraries for inclusion in AVRDUDE 5.11 or 5.12. An example at 3.5MHz: ./avrdude -c um232h -p m1280 -U flash:w:ATmegaBOOT_168_atmega1280.hex -b 3500000 The innovation here is use of the 30MHz MPSSE clock instead of the old 6MHz clock. It's very snappy. Jason Hecker
avrdude-patch7486-plusUM232H.diff
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