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PaulStoffregen / FreqCount

Measures the frequency of a signal by counting the number of pulses during a fixed time.
http://www.pjrc.com/teensy/td_libs_FreqCount.html
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T3 lptmr can count up to 132.5 MHz #15

Open manitou48 opened 5 years ago

manitou48 commented 5 years ago

Just for the record, using an ISR to count LPTMR rollovers rather than IntervalTimer, i was able to get a T3 to count frequencies up to 132.5 Mhz. see https://forum.pjrc.com/threads/54711-Teensy-4-0-First-Beta-Test?p=212014&viewfull=1#post212014