Fixing infinite hang within 'noTone' if it is called before 'tone' #449
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…s called at least once
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While not amused by the name of |
facchinm
approved these changes
Sep 16, 2019
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toneneed to run at least once in order to enable GCLK for the timers used for the tone-functionality. IfnoToneis called without ever callingtonebefore thenWAIT_TC16_REGS_SYNC(TCx)will wait infinitely. The variablefirstTimeRunningis set the 1st timetoneis set so it can be used to detect wether or nottonehas been called before. Fixes #326 .