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David Gwilliam
2026-02-12 21:00:02 -08:00
parent 77f8236347
commit 8bdbf227ca
1141 changed files with 1010880 additions and 2 deletions
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10
libraries/audio-tools/examples/examples-custom-boards/lyrat-mini/README.md Normal file
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The LyraT Mini is a bit tricky to use because it has a ES8311 which is handling the output and a
ES7243 which is handling the microphone input: both need to be on separate I2S ports.
You should be able to use the examples that can be found in the [audiokit directory](https://github.com/pschatzmann/arduino-audio-tools/tree/main/examples/examples-audiokit): just replace the
driver with LyratMini!
For the examples install:
- [Arduino AudioTools](https://github.com/pschatzmann/arduino-audio-tools)
- [Arduino Audio Driver](https://github.com/pschatzmann/arduino-audio-driver)

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libraries/audio-tools/examples/examples-custom-boards/lyrat-mini/buttons/buttons.ino Normal file
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/**
* @file buttons.ino
* @author Phil Schatzmann
* @brief Demo how to use the buttons.
* @version 0.1
* @date 2024-11-03
*
* The button values are determined with an analogRead(39) via the driver library.
* This demo shows how to use the integrated AudioActions class via the AudioBoardStream
*
* @copyright Copyright (c) 2022
*/
#include "AudioTools.h"
#include "AudioTools/AudioLibs/AudioBoardStream.h"
AudioBoardStream lyrat(LyratMini);
void rec(bool, int, void*) {
Serial.println("rec");
}
void mode(bool, int, void*) {
Serial.println("mode");
}
void play(bool, int, void*) {
Serial.println("play");
}
void set(bool, int, void*) {
Serial.println("set");
}
void volUp(bool, int, void*) {
Serial.println("vol+");
}
void volDown(bool, int, void*) {
Serial.println("vol-");
}
// Arduino Setup
void setup(void) {
Serial.begin(115200);
AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Warning);
// start board
lyrat.begin(lyrat.defaultConfig(TX_MODE));
lyrat.addAction(KEY_REC, rec);
lyrat.addAction(KEY_MODE, mode);
lyrat.addAction(KEY_PLAY, play);
lyrat.addAction(KEY_SET, set);
lyrat.addAction(KEY_VOLUME_UP, volUp);
lyrat.addAction(KEY_VOLUME_DOWN, volDown);
}
void loop() {
lyrat.processActions();
}

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libraries/audio-tools/examples/examples-custom-boards/lyrat-mini/mic/mic.ino Normal file
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/**
* @file output.ino
* @author Phil Schatzmann
* @brief Demo how to use the microphone.
* @version 0.1
* @date 2024-11-03
*
* The microphone seems to be attached to 2 different i2s ports. In addition to the
* ES8311, the ES7243 is also started.
* The I2S pins can be selected via cfg.i2s_function: CODEC uses the ES8311 I2S pins
* and CODEC_ADC uses the ES7243 I2S pins; By default the CODEC value is used.
*
* Only CODEC_ADC will give a proper microphone input!
*
* @copyright Copyright (c) 2022
*/
#include "AudioTools.h"
#include "AudioTools/AudioLibs/AudioBoardStream.h"
AudioInfo info(44100, 2, 16);
AudioBoardStream i2s(LyratMini); // Access I2S as stream
CsvOutput<int16_t> csvOutput(Serial);
StreamCopy copier(csvOutput, i2s); // copy i2s to csvOutput
// Arduino Setup
void setup(void) {
Serial.begin(115200);
// Display details what is going on
AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
AudioDriverLogger.begin(Serial, AudioDriverLogLevel::Info);
auto cfg = i2s.defaultConfig(RX_MODE);
cfg.copyFrom(info);
// cfg.i2s_function = PinFunction::CODEC_ADC; // determined automatically
// cfg.i2s_port_no = 0; // or 1 if 0 is already in use
i2s.begin(cfg);
// make sure that we have the correct number of channels set up
csvOutput.begin(info);
}
// Arduino loop - copy data
void loop() {
copier.copy();
}

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libraries/audio-tools/examples/examples-custom-boards/lyrat-mini/output/output.ino Normal file
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/**
* @file output.ino
* @author Phil Schatzmann
* @brief Demo to output audio on a lyrat-mini board: with headphone detection
* active to switch the power amplifier on and off.
* I2S is used and the ES8311 is initialized via the driver library.
* @version 0.1
* @date 2024-11-03
*
* @copyright Copyright (c) 2022
*/
#include "AudioTools.h"
#include "AudioTools/AudioLibs/AudioBoardStream.h"
AudioInfo info(44100, 2, 16);
SineWaveGenerator<int16_t> sineWave(32000); // subclass of SoundGenerator with max amplitude of 32000
GeneratedSoundStream<int16_t> sound(sineWave); // Stream generated from sine wave
AudioBoardStream out(LyratMini);
StreamCopy copier(out, sound); // copies sound into i2s
// Arduino Setup
void setup(void) {
// Open Serial
Serial.begin(115200);
AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Warning);
// start I2S
Serial.println("starting I2S...");
auto config = out.defaultConfig(TX_MODE);
config.copyFrom(info);
// cfg.i2s_function = PinFunction::CODEC; // determined automatically
// cfg.i2s_port_no = 0; // or 1 if 0 is already in use
out.begin(config);
// additinal settings
out.setVolume(0.5);
out.addHeadphoneDetectionAction();
// start sine wave
sineWave.begin(info, N_B4);
Serial.println("started...");
}
void loop() {
copier.copy();
out.processActions();
}

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libraries/audio-tools/examples/examples-custom-boards/lyrat-mini/sd/sd.ino Normal file
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/**
* @file sd.ino
* @author Phil Schatzmann
* @brief Test/Demo that SD is not working!
* @version 0.1
* @date 2024-11-03
*
* @copyright Copyright (c) 2022
*/
#include <SPI.h>
#include <SD.h>
// These pins are defined in the HAL
#define PIN_SD_CARD_CS 13
#define PIN_SD_CARD_MISO 2
#define PIN_SD_CARD_MOSI 15
#define PIN_SD_CARD_CLK 14
#define PIN_SD_CARD_DET 34
// Arduino Setup
void setup(void) {
Serial.begin(115200);
// setup SPI
SPI.begin(PIN_SD_CARD_CLK, PIN_SD_CARD_MISO, PIN_SD_CARD_MOSI, PIN_SD_CARD_CS);
// Optionally determine if there is an SD card
pinMode(PIN_SD_CARD_DET, INPUT);
if (digitalRead(PIN_SD_CARD_DET)!=0){
Serial.println("No SD Card detected");
}
// Open SD library
if (!SD.begin(PIN_SD_CARD_CS)){
Serial.println("SD.begin failed");
while(true);
}
// Open an existing file
auto file = SD.open("/audio8000.raw", FILE_READ);
if (!file){
Serial.println("file open failed");
while(true);
}
file.close();
Serial.println("Success");
}
// Arduino loop - repeated processing
void loop() {}

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libraries/audio-tools/examples/examples-custom-boards/lyrat-mini/sdmmc/sdmmc.ino Normal file
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/**
* @file sdmmc.ino
* @author Phil Schatzmann
* @brief Test/Demo how to use the SD_MMC API in Arduino with the LyraT Mini
* @version 0.1
* @date 2024-11-03
*
* @copyright Copyright (c) 2022
*/
#include "FS.h"
#include "SD_MMC.h"
// These pins are defined in the HAL
const int PIN_SD_CARD_POWER = 13;
const int PIN_SD_CARD_DET = 34;
// Arduino Setup
void setup(void) {
Serial.begin(115200);
// Mandatory: set power pin to low
pinMode(PIN_SD_CARD_POWER, OUTPUT);
digitalWrite(PIN_SD_CARD_POWER, LOW);
// Optionally: Determine if there is an SD card
pinMode(PIN_SD_CARD_DET, INPUT);
if (digitalRead(PIN_SD_CARD_DET)!=0){
Serial.println("No SD Card detected");
}
// open SDMMC in 1 bit mode
if (!SD_MMC.begin("/sdcard", true)) {
Serial.println("Card Mount Failed");
while(true);
}
// open an existing file
auto file = SD_MMC.open("/test.mp3", FILE_READ);
if (!file){
Serial.println("file open failed");
while(true);
}
file.close();
Serial.println("Success");
}
// Arduino loop - repeated processing
void loop() {}