60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
#pragma once
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#include "SinglePortModule.h"
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#include "concurrency/NotifiedWorkerThread.h"
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#include "configuration.h"
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#if defined(ARCH_ESP32)
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#include "NodeDB.h"
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#include <Arduino.h>
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#include <driver/i2s.h>
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#include <functional>
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#include <codec2.h>
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#include <ButterworthFilter.h>
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#define ADC_BUFFER_SIZE_MAX 320
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enum RadioState { standby, rx, tx };
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class AudioModule : public SinglePortModule, private concurrency::OSThread
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{
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public:
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unsigned char rx_encode_frame[Constants_DATA_PAYLOAD_LEN] = {};
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unsigned char tx_encode_frame[Constants_DATA_PAYLOAD_LEN] = {};
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int16_t speech[ADC_BUFFER_SIZE_MAX] = {};
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int16_t output_buffer[ADC_BUFFER_SIZE_MAX] = {};
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uint16_t adc_buffer[ADC_BUFFER_SIZE_MAX] = {};
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int adc_buffer_size = 0;
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uint16_t adc_buffer_index = 0;
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int tx_encode_frame_index = 0;
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int rx_encode_frame_index = 0;
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int encode_codec_size = 0;
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int encode_frame_size = 0;
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volatile RadioState radio_state = RadioState::rx;
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struct CODEC2* codec2 = NULL;
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// int16_t sample;
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AudioModule();
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/**
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* Send our payload into the mesh
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*/
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void sendPayload(NodeNum dest = NODENUM_BROADCAST, bool wantReplies = false);
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protected:
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int encode_frame_num = 0;
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bool firstTime = true;
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virtual int32_t runOnce() override;
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virtual MeshPacket *allocReply() override;
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/** Called to handle a particular incoming message
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* @return ProcessMessage::STOP if you've guaranteed you've handled this message and no other handlers should be considered for it
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*/
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virtual ProcessMessage handleReceived(const MeshPacket &mp) override;
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};
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extern AudioModule *audioModule;
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#endif |