Issue #132 Tone fails when the frequency is 0 fixed
Issue #132 Tone fails when the frequency is 0 fixed


Former-commit-id: dba96e2800ab2a215a4c13b5ca20f9715766ca09
adamwolf/chipKIT32-MAX,tintin304/chipKIT32-MAX,majenkotech/chipKIT32-MAX,ricklon/chipKIT32-MAX,EmbeddedMan/chipKIT32-MAX,tintin304/chipKIT32-MAX,EmbeddedMan/chipKIT32-MAX,majenkotech/chipKIT32-MAX,chipKIT32/chipKIT32-MAX,EmbeddedMan/chipKIT32-MAX,chipKIT32/chipKIT32-MAX,adamwolf/chipKIT32-MAX,ricklon/chipKIT32-MAX,EmbeddedMan/chipKIT32-MAX,tintin304/chipKIT32-MAX,EmbeddedMan/chipKIT32-MAX,EmbeddedMan/chipKIT32-MAX,ricklon/chipKIT32-MAX,ricklon/chipKIT32-MAX,majenkotech/chipKIT32-MAX,majenkotech/chipKIT32-MAX,EmbeddedMan/chipKIT32-MAX,chipKIT32/chipKIT32-MAX,ricklon/chipKIT32-MAX,majenkotech/chipKIT32-MAX,tintin304/chipKIT32-MAX,tintin304/chipKIT32-MAX,tintin304/chipKIT32-MAX,adamwolf/chipKIT32-MAX,chipKIT32/chipKIT32-MAX,adamwolf/chipKIT32-MAX,ricklon/chipKIT32-MAX,adamwolf/chipKIT32-MAX,adamwolf/chipKIT32-MAX,majenkotech/chipKIT32-MAX,chipKIT32/chipKIT32-MAX,ricklon/chipKIT32-MAX,chipKIT32/chipKIT32-MAX,adamwolf/chipKIT32-MAX,tintin304/chipKIT32-MAX,chipKIT32/chipKIT32-MAX,majenkotech/chipKIT32-MAX