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how to get signal frequency?


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Energia uses the timer/counter units for PWM and millisecond/microsecond timing so they are not readily available for other uses.

 

Here is some simple C code that uses a timer/counter unit with external clock to measure frequency:

 

Frequency Counter using Launchpad & Nokia 5110 LCD

http://forum.43oh.com/topic/1913-frequency-counter-using-launchpad-nokia-5110-lcd/

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