tree cacdec92465958770e388896cc67bd0be59c06db
parent ffe5eff39d77cef50e5ec738815c9d7696de9fe4
author Onath Claridge <claridge@google.com> 1563922556 -0700
committer Onath Claridge <claridge@google.com> 1563929544 -0700

Support power calculation and CSV header line.

If --header is specified, then a header line is generated for the CSV
output.

If --resistance is set to a positive number (should be the shunt
resistance for the zedmon unit), then power is calculated and included
in the output.

Change-Id: Id84cf6d38e7d90e3eab02046ffaa1a4ce24af703