tone function doesn't actually enable the interrupt for continuous tone

Mic2015 / arduino-tiny

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tone function doesn't actually enable the interrupt for continuous tone #80

Closed GoogleCodeExporter closed 9 years ago

GoogleCodeExporter commented 9 years ago

EnableOutputCompareInterrupt is only called for duration > 0. This makes it 
impossible to make a continuous (duration = -1) tone with the tiny core.

Attached file works, tested on ATTINY85-20PU with Arduino 1.0.5.

Original issue reported on code.google.com by matt.min...@gmail.com on 11 Jun 2013 at 4:00

Attachments:

Tone.cpp

GoogleCodeExporter commented 9 years ago

Duration = 0 is continuous not duration = -1.

Original comment by arduino....@gmail.com on 11 Jun 2013 at 4:43

Changed state: Invalid

GoogleCodeExporter commented 9 years ago

Sorry, I meant to say duration = 0! ToneTimer_EnableOutputCompareInterruptA() 
isn't normally being called unless duration > 0. The version I attached fixes 
that.

Original comment by matt.min...@gmail.com on 11 Jun 2013 at 7:56

GoogleCodeExporter commented 9 years ago

Please include a test case (a sketch that illustrates the problem) and a brief 
description of what you expect to happen.

Original comment by arduino....@gmail.com on 12 Jun 2013 at 5:43