Code: description 1

[upinblayze]

Add the description to the following methods in the arduino into the wiki. verify if the comments in the arduino code are correct. Put it in this format:
Name of method
description
parameters (name, data type, description)
returns (type and description)

ex: http://www.protractortest.org/#/api?view=ProtractorBrowser.prototype.setLocation
fill out as best you can, use markdown

• calibrate
• write_data_to_SD_card
• shaker_start
• printdelayinfo
• lcd3LinePrint
• fillStringEndWithVariableWhitespace
• pause_button_interrupt_service_routine
• set_critical_section-mode
• checkEightChannelFlag

[jmicrobe]

Giving this a boost since I was trying to make sense of checkEightChannelFlag() today, as we're having problems with the rotary switch in debug mode