66 lines
1.9 KiB
C++
Executable File
66 lines
1.9 KiB
C++
Executable File
/*
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AudioFileSourceSPIRAMBuffer
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Buffered file source in external SPI RAM
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Copyright (C) 2017 Sebastien Decourriere
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Based on AudioFileSourceBuffer class from Earle F. Philhower, III
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General 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 option) any later version.
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This program 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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _AUDIOFILESOURCESPIRAMBUFFER_H
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#define _AUDIOFILESOURCESPIRAMBUFFER_H
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#include "AudioFileSource.h"
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#include <SPI.h>
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#include "spiram-fast.h"
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//#define FAKERAM
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// #define SPIBUF_DEBUG
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class AudioFileSourceSPIRAMBuffer : public AudioFileSource
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{
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public:
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#ifdef FAKERAM
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AudioFileSourceSPIRAMBuffer(AudioFileSource *in, uint8_t csPin = 15, uint32_t bufferBytes = 2048);
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#else
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AudioFileSourceSPIRAMBuffer(AudioFileSource *in, uint8_t csPin = 15, uint32_t bufferBytes = 128*1024);
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#endif
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virtual ~AudioFileSourceSPIRAMBuffer() override;
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virtual uint32_t read(void *data, uint32_t len) override;
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virtual bool seek(int32_t pos, int dir) override;
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virtual bool close() override;
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virtual bool isOpen() override;
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virtual uint32_t getSize() override;
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virtual uint32_t getPos() override;
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virtual bool loop() override;
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private:
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virtual void fill();
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private:
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AudioFileSource *src;
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ESP8266SPIRAM ram;
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size_t ramSize;
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size_t writePtr;
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size_t readPtr;
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bool filled;
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#ifdef FAKERAM
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char fakeRAM[2048];
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#endif
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};
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#endif
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