mirror of https://github.com/midilab/uClock
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53 lines
1.4 KiB
53 lines
1.4 KiB
#include "Arduino.h"
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#include <uClock.h>
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// MIDI clock, start and stop byte definitions - based on MIDI 1.0 Standards.
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#define MIDI_CLOCK 0xF8
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#define MIDI_START 0xFA
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#define MIDI_STOP 0xFC
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// The callback function wich will be called by Clock each Pulse of 24PPQN clock resolution.
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void onSync24Callback(uint32_t tick)
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{
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// Send MIDI_CLOCK to external gears
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Serial.write(MIDI_CLOCK);
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}
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// The callback function wich will be called when clock starts by using Clock.start() method.
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void onClockStart()
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{
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Serial.write(MIDI_START);
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}
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// The callback function wich will be called when clock stops by using Clock.stop() method.
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void onClockStop()
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{
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Serial.write(MIDI_STOP);
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}
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void setup()
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{
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// Initialize serial communication at 31250 bits per second, the default MIDI serial speed communication:
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Serial.begin(31250);
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// Inits the clock
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uClock.init();
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// Set the callback function for the clock output to send MIDI Sync message.
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uClock.setOnSync24(onSync24Callback);
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// Set the callback function for MIDI Start and Stop messages.
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uClock.setOnClockStart(onClockStart);
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uClock.setOnClockStop(onClockStop);
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// Set the clock BPM to 126 BPM
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uClock.setTempo(126);
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// Starts the clock, tick-tac-tick-tac...
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uClock.start();
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}
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// Do it whatever to interface with Clock.stop(), Clock.start(), Clock.setTempo() and integrate your environment...
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void loop()
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{
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}
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