43 lines
1.2 KiB
Arduino
43 lines
1.2 KiB
Arduino
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/**
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* @file communication-broadcast-espnow-send.ino
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* @author Phil Schatzmann
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* @brief Broadcasting audio over ESPNow. We need to use Throttle to avoid buffer
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* overflows on the receiver side.
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* @version 0.1
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* @date 2026-01-30
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*
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* @copyright Copyright (c) 2026
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*/
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#include "AudioTools.h"
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#include "AudioTools/Communication/ESPNowStream.h"
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AudioInfo info(8000, 1, 16);
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SineGenerator<int16_t> sineWave( 32000); // subclass of SoundGenerator with max amplitude of 32000
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GeneratedSoundStream<int16_t> sound( sineWave); // Stream generated from sine wave
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ESPNowStream now;
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Throttle throttle(now);
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StreamCopy copier(throttle, sound); // copies sound into i2s
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void setup() {
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Serial.begin(115200);
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AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Warning);
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auto cfg = now.defaultConfig();
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cfg.mac_address = "A8:48:FA:0B:93:02";
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cfg.use_send_ack = false; // broadcast does not support ack
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now.begin(cfg);
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// optional, if no peer is defined we use broadcast
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// now.addBroadcastPeer();
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// Setup sine wave
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sineWave.begin(info, N_B4);
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Serial.println("Sender started...");
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// setup throttle
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throttle.begin(info);
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}
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void loop() {
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copier.copy();
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}
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