108 lines
2.1 KiB
C
108 lines
2.1 KiB
C
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/*
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Sequencer.h - Friction Music library
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Copyright (c) 2014 Science Friction.
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All right reserved.
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This library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your optionosc1modShape_ptr) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser Public License for more details.
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You should have received a copy of the GNU Lesser Public License
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along with Foobar. If not, see <http://www.gnu.org/licenses/>.
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+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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+ author: gauthiier
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+ contact: d@gauthiier.info
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*/
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#pragma once
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#define MAX_SEQ 3
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enum SUBDIV {
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NOTE_1 = 96,
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NOTE_2 = 48,
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NOTE_3 = 32,
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NOTE_4 = 24,
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NOTE_6 = 16,
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NOTE_8 = 12,
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NOTE_12 = 8,
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NOTE_16 = 6,
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NOTE_24 = 4,
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NOTE_32 = 3,
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NOTE_48 = 2,
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NOTE_96 = 1
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};
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typedef void (*func_cb)(void);
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class seq;
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class MSequencer {
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public:
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void init(int bpm);
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void update();
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int newSequence(func_cb cb, SUBDIV subdiv);
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bool stopSequence(int index);
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bool startSequence(int index);
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bool setSequenceSubdiv(int index, SUBDIV subdiv);
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int getSequenceSubdiv(int index);
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bool setCallback(int index, func_cb cb);
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func_cb getCallback(int index);
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unsigned long clockStep;
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void setbpm(int v);
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int getbpm();
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private:
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seq* _sequences[MAX_SEQ];
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int _bpm;
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int _bpmInClockSteps;
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};
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class seq {
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friend class MSequencer;
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private:
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seq(int id, func_cb cb, SUBDIV subdiv);
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int _stepsize;
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SUBDIV _subdiv;
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int _tempo;
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int _id;
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unsigned long lastStep;
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unsigned long stepNum;
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unsigned long step;
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void setsubdiv(SUBDIV v);
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SUBDIV getsubdiv();
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bool _stopped;
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void callback(func_cb cb);
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func_cb _callback;
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};
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extern MSequencer Sequencer;
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