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29 lines
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29 lines
1.5 KiB
Plaintext
<!-- $Id: contrib.content,v 1.4 2006/09/06 04:07:18 srhea Exp $ -->
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Sean Rhea bought a PowerTap Pro on April 20, 2006, and immediately set to
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figuring out how to use it from his Mac Powerbook without using Virtual PC.
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Within a week, he was able to download the raw data. Shortly thereafter, Russ
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Cox asked what he was up to, and the two worked together to figure out the
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packing format used. By May 4, they could reproduce the numbers given by the
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PowerTap software except for minor discrepancies in the time values. David
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Easter then pointed out how the checksum bytes in the download protocol were
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used, and Sean Rhea coded up their combined discoveries into the two
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utilities, <code>ptdl</code> and <code>ptunpk</code>.
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<p>
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Later that year, Sean needed to learn QT for his real job, and he set about
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writing a graphical version of <code>ptdl</code> and <code>ptunpk</code> for
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practice. He released the first graphical version on September 6, 2006,
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changing the name to GoldenCheetah in reference to an old legend from his days
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as a runner.
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<p>
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Since then, a number of others have helped out in various ways.
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Rob Carlsen helped get the serial port version of the PowerTap Pro working
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with the Keyspan USB-to-serial adaptor. Scott Overfield helped figure out
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that we should be using the <code>/dev/cu.*</code> devices instead of the
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<code>/dev/tty.*</code> ones. Aldy Hernandez and Andrew Kruse helped get
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things working under Linux, and Aldy has been averaging one patch a week or
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more ever since. Dan Connelly helped find and fix several core dumps.
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