Use hardware PWM if generating a single tone() on the right pin for the timer.

itsanjan / arduino

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Use hardware PWM if generating a single tone() on the right pin for the timer. #632

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago

It would be cool if the tone() function used hardware (PWM) output instead of 
interrupt-driven output when possible.  This would allow for higher maximum 
frequencies when using the right pins.

Original issue reported on code.google.com by dmel...@gmail.com on 8 Sep 2011 at 9:07