added missing init for callback rate.
@@ -113,6 +113,7 @@ void DaisySeed::Init()
ConfigureAudio();
dsy_tim_init();
dsy_tim_start();
+ callback_rate_ = AudioSampleRate() / AudioBlockSize();
// Due to the added 16kB+ of flash usage,
// and the fact that certain breakouts use
// both; USB won't be initialized by the
