RF Module Qualifier, CRC?


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  1. #7
    Join Date
    May 2007
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    Quote Originally Posted by languer View Post
    How effective is it? - It depends. There are as many algorithms (polynomials) as days of the year (and then some). It all depends on how "unique" you want to define your packet and how much math (read - computer resources) you want to use to come up with the CRC.

    How simple is it? - Again, it depends.

    Why use it? - It is pretty standard method of validating packetized data; as long as you have the computing power to do it, and select an algorithm/polynomial and stick with it.
    Many higher-end devices (such as PIC24) implement it in hardware for the reasons you mention.
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