48 lines
1.1 KiB
Arduino
48 lines
1.1 KiB
Arduino
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/**
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* @file communication-nrf24-send.ino
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* @author Phil Schatzmann
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* @brief Sending audio over NRF24L01(+) module. Uses writeFast() with no ACK
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* and no CRC for lowest latency. Tested with Teensy 4.1, ESP32 and Arduino
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* Nano.
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* @version 0.1
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* @date 2024-01-01
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*
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* @copyright Copyright (c) 2024
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*/
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#include "AudioTools.h"
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#include "AudioTools/Communication/NRF24Stream.h"
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AudioInfo info(32000, 1, 16);
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SineGenerator<int16_t> sineWave(32000);
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GeneratedSoundStream<int16_t> sound(sineWave);
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NRF24Stream radio;
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StreamCopy copier(radio, sound);
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void setup() {
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Serial.begin(115200);
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AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
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while (!Serial);
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Serial.println("starting...");
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// Setup NRF24 as transmitter
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auto cfg = radio.defaultConfig(TX_MODE);
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// cfg.pin_ce = 9; // adjust for your board
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// cfg.pin_csn = 10; // adjust for your board
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// cfg.channel = 124; // upper band, less interference
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cfg.copyFrom(info);
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if (!radio.begin(cfg)) {
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Serial.println("NRF24 failed");
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stop();
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}
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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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}
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void loop() {
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copier.copy();
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}
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