Arduino Quick Start
2. Devices & Examples
NanoC6
3. M5Unified
5. Extensions & Examples
Unit
Atom DTU
Hat
Tough Speaker
Tough speaker related APIs and example programs.
Example Program
Build Requirements
- M5Stack Board Manager version >= 2.1.4
- Board selection = M5Tough
- M5Unified library version >= 0.2.5
- M5GFX library version >= 0.2.7
cpp
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#include <M5Unified.h>
#include <M5GFX.h>
void setup() {
M5.begin();
M5.Display.setRotation(1);
M5.Display.setFont(&fonts::DejaVu40);
M5.Display.print("\nStart playing\nmusical scale");
M5.Speaker.setVolume(128); // 0~255, bigger is louder
}
void loop() {
M5.update();
M5.Speaker.tone(880, 500); // frequency (Hz), duration (ms)
delay(500);
M5.Speaker.tone(990, 500);
delay(500);
M5.Speaker.tone(1120, 500);
delay(500);
M5.Speaker.tone(1180, 500);
delay(500);
M5.Speaker.tone(1320, 500);
delay(500);
M5.Speaker.tone(1480, 500);
delay(500);
M5.Speaker.tone(1650, 500);
delay(500);
M5.Speaker.tone(1760, 500);
delay(1000);
M5.Speaker.tone(1760, 500);
delay(500);
M5.Speaker.tone(1650, 500);
delay(500);
M5.Speaker.tone(1480, 500);
delay(500);
M5.Speaker.tone(1320, 500);
delay(500);
M5.Speaker.tone(1180, 500);
delay(500);
M5.Speaker.tone(1120, 500);
delay(500);
M5.Speaker.tone(990, 500);
delay(500);
M5.Speaker.tone(880, 500);
delay(1000);
}This program will play the scales 12345671 and 17654321.
API
The Tough speaker functionality uses the Speaker_Class from the M5Unified library. For more related APIs, please refer to the following documentation: