Feature: feature to ensure clock never gets ahead of external clock source (if eg external clock goes away unexpectedly) #61
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…ue), to make this behaviour optional
Merge branch 'develop' into feature-strick-external-aug4
…nges to recompile with other branches, to ease A/B testing.
v2.3.0 Release merge from develop branch
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Hey @doctea It took some time but the release is up! How did you test the code against external environment so far? |
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Congrats on 2.3 release @midilab ! :D
This patch needs further testing, but provides the option to ensure that uClock doesn't continue playing if it is in external clock mode and the external clock stops ticking (eg, if cable is unplugged, host device crashes, etc).
This is essential to ensure that devices using uClock and synced to external clocks behave the same way as other devices and sequencers that respond to analogue clock pulses (commercial devices manufactured by eg Behringer, Modal, Arturia, DIY/open-source projects and pre-2.3 uClock devices).
This behaviour mode means that if the external clock pulses stop coming for any reason then the uClock device will wait patiently for the next clock without progressing - instead of the default behaviour of continuing to run its internal clock at the last detected BPM.
This also means that uClock devices can never get significantly ahead of the external master clock (can only get ahead of the external clock by a length of time slightly under the duration of just one note).