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Makeshift JTAG programmer

Last night while working on software for the iMote2, I managed to overwrite the bootloader on the board. The only way to restore the bootloader is via an interface called JTAG. I have an Intel JTAG adapter right here on my desk, but no parallel port to which to connect it. This ugly hack that I threw together is a USB JTAG adapter, based on the FT2232 chip.

 

Of course, the reasonable thing to have done would have been to walk the two blocks to work where there are plenty of machines with parallel ports, but that wouldn't have been as much fun.

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Uploaded on January 4, 2009
Taken on January 4, 2009