mirror of https://github.com/JorjBauer/aiie.git
35 lines
726 B
C++
35 lines
726 B
C++
#ifndef __TEENSY_SPEAKER_H
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#define __TEENSY_SPEAKER_H
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#include "physicalspeaker.h"
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// FIXME: 64 enough?
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#define SPEAKERQUEUESIZE 64
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class TeensySpeaker : public PhysicalSpeaker {
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public:
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TeensySpeaker(uint8_t pinNum);
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virtual ~TeensySpeaker();
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virtual void toggle(uint32_t c);
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virtual void maintainSpeaker(uint32_t c);
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virtual void beginMixing();
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virtual void mixOutput(uint8_t v);
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private:
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uint8_t speakerPin;
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bool toggleState;
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uint32_t mixerValue;
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uint8_t numMixed;
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uint32_t toggleTimes[SPEAKERQUEUESIZE];
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uint8_t toggleCount; // # of entries still in queue
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uint8_t toggleReadPtr; // ring buffer pointer in queue
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uint8_t toggleWritePtr; // ring buffer pointer in queue
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};
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#endif
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