Driver testing

[bsima]

@PolarState @aulloa We'll use this issue to log the testing process and outcomes. Our goal is to get the driver to properly print the data. When we get the driver data matching the Cheapstat's Java gui data, then we good.

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With the first test, as of commit a10cc75, we were able to print data to stdout and save the output in this gist.

In that gist, the driver was run with sudo dist/driver -p /dev/ttyUSB0 on Linux and the cheapstat ran test SWV #1. The driver printed through line 17 and hung, then we re-ran the test from the CheapStat and it printed out the rest of the lines.

In contrast, @aulloa was able to get the Java gui to output the following raw data in this gist