Is there a port on the RC or OI that can be used to communicate directly to a computer for changing the value of variables?
There is a Dynamic Debug Tool available with the IFI Loader. Special DDT Code must be downloaded in the RC before you can use the DDT Tool. Please keep in mind that Innovation First cannot provide technical support for the Dynamic Debug Tool or for the Robot Controller code (DDT Code) released to interface with it. They are simply offered as an example of the possibilities available to you with the powerful Innovation First Robot Controllers. The DDT Code is a stripped down version of the User Default Code and should not be used in Competition or as a replacement for the User Default Code. It should only be used as a tool to learn about the micro-processor architecture and how to write code to interface with it. Here is the link: http://www.ifirobotics.com/docs/frc-code-ddt.zip
Can you please explain more about the Dynamic debugging tool and how it communicates with the RC?
Brief instructions are included in the zip file. See above post for more details.