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Ryan Ackerman

Bits and bytes geek working on EIEs for CygNet.

Analyzing Device Communications with CrcGenerator

November 9, 2015 / 0 comments / in General  / by Ryan Ackerman

This is a utility that has outgrown its name. It was originally developed to help us to verify the Cyclic Redundancy Checks (CRCs) added to messages to guard against transmission errors. Once this basic framework was in place, however, it became an easy place for developers to add communications related features

Using references to display a packed word value

August 3, 2015 / 0 comments / in General  / by Ryan Ackerman

Have you ever run into a situation where a single value on a device could represent multiple values at the same time? How would you display a nice string representation for all the potential values? I recently saw this problem solved on an Emerson device where a TLP contained multiple values packed into a single byte. The solution used a combination of multiple reference DEIDs and a few associated enumerations.

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