Files
awtrix-light/lib/DFMiniMp3-1.0.7-noChecksums/examples/PlayRandom/PlayRandom.ino
Elfish 055d54d099 Split code between ulanzi environment and awtrix_upgrade
Added BME280 sensor support for awtrix_upgrade.

Removed battery readings for awtrix_upgrade

Added DFMiniMp3 lib for replacing the Ulanzi buzzer in the future
2023-03-31 15:12:13 +02:00

101 lines
2.4 KiB
C++

// this example will play a random track from all on the sd
//
// it expects the sd card to contain some mp3 files
#include <SoftwareSerial.h>
#include <DFMiniMp3.h>
// implement a notification class,
// its member methods will get called
//
class Mp3Notify
{
public:
static void PrintlnSourceAction(DfMp3_PlaySources source, const char* action)
{
if (source & DfMp3_PlaySources_Sd)
{
Serial.print("SD Card, ");
}
if (source & DfMp3_PlaySources_Usb)
{
Serial.print("USB Disk, ");
}
if (source & DfMp3_PlaySources_Flash)
{
Serial.print("Flash, ");
}
Serial.println(action);
}
static void OnError(uint16_t errorCode)
{
// see DfMp3_Error for code meaning
Serial.println();
Serial.print("Com Error ");
Serial.println(errorCode);
}
static void OnPlayFinished(DfMp3_PlaySources source, uint16_t track)
{
Serial.print("Play finished for #");
Serial.println(track);
}
static void OnPlaySourceOnline(DfMp3_PlaySources source)
{
PrintlnSourceAction(source, "online");
}
static void OnPlaySourceInserted(DfMp3_PlaySources source)
{
PrintlnSourceAction(source, "inserted");
}
static void OnPlaySourceRemoved(DfMp3_PlaySources source)
{
PrintlnSourceAction(source, "removed");
}
};
// instance a DFMiniMp3 object,
// defined with the above notification class and the hardware serial class
//
DFMiniMp3<HardwareSerial, Mp3Notify> mp3(Serial1);
// Some arduino boards only have one hardware serial port, so a software serial port is needed instead.
// comment out the above definition and uncomment these lines
//SoftwareSerial secondarySerial(10, 11); // RX, TX
//DFMiniMp3<SoftwareSerial, Mp3Notify> mp3(secondarySerial);
void setup()
{
Serial.begin(115200);
Serial.println("initializing...");
mp3.begin();
mp3.reset();
// show some properties and set the volume
uint16_t volume = mp3.getVolume();
Serial.print("volume ");
Serial.println(volume);
mp3.setVolume(24);
uint16_t count = mp3.getTotalTrackCount(DfMp3_PlaySource_Sd);
Serial.print("files ");
Serial.println(count);
uint16_t mode = mp3.getPlaybackMode();
Serial.print("playback mode ");
Serial.println(mode);
Serial.println("starting...");
mp3.playRandomTrackFromAll(); // random of all folders on sd
}
void loop()
{
// calling mp3.loop() periodically allows for notifications
// to be handled without interrupts
mp3.loop();
}