kopia lustrzana https://github.com/meshtastic/firmware
78 wiersze
1.7 KiB
C++
78 wiersze
1.7 KiB
C++
#pragma once
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#include "PowerFSM.h"
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#include "concurrency/OSThread.h"
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#include "configuration.h"
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#include "main.h"
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#include "sleep.h"
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#ifdef HAS_I2S
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#include <AudioFileSourcePROGMEM.h>
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#include <AudioGeneratorRTTTL.h>
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#include <AudioOutputI2S.h>
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#include <ESP8266SAM.h>
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#define AUDIO_THREAD_INTERVAL_MS 100
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class AudioThread : public concurrency::OSThread
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{
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public:
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AudioThread() : OSThread("AudioThread") { initOutput(); }
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void beginRttl(const void *data, uint32_t len)
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{
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setCPUFast(true);
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rtttlFile = new AudioFileSourcePROGMEM(data, len);
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i2sRtttl = new AudioGeneratorRTTTL();
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i2sRtttl->begin(rtttlFile, audioOut);
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}
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bool isPlaying()
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{
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if (i2sRtttl != nullptr) {
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return i2sRtttl->isRunning() && i2sRtttl->loop();
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}
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return false;
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}
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void stop()
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{
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if (i2sRtttl != nullptr) {
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i2sRtttl->stop();
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delete i2sRtttl;
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i2sRtttl = nullptr;
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}
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if (rtttlFile != nullptr) {
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delete rtttlFile;
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rtttlFile = nullptr;
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}
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setCPUFast(false);
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}
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protected:
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int32_t runOnce() override
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{
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canSleep = true; // Assume we should not keep the board awake
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// if (i2sRtttl != nullptr && i2sRtttl->isRunning()) {
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// i2sRtttl->loop();
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// }
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return AUDIO_THREAD_INTERVAL_MS;
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}
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private:
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void initOutput()
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{
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audioOut = new AudioOutputI2S(1, AudioOutputI2S::EXTERNAL_I2S);
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audioOut->SetPinout(DAC_I2S_BCK, DAC_I2S_WS, DAC_I2S_DOUT);
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audioOut->SetGain(0.2);
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};
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AudioGeneratorRTTTL *i2sRtttl = nullptr;
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AudioOutputI2S *audioOut;
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AudioFileSourcePROGMEM *rtttlFile;
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};
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#endif
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