M5Unified: Click on the edge of the iPad screen

main.cpp

#include <M5Unified.h>
#include <BleMouse.h>  // https://github.com/T-vK/ESP32-BLE-Mouse

BleMouse mouse;

void move(bool left) {
  const uint8_t dx = 100 * (left ? -1 : 1);
  for (auto i = 0; i < 10; ++i) {
    mouse.move(dx, 0);
    ::delay(1);
  }
  mouse.click(MOUSE_LEFT);
}

void setup() {
  M5.begin();
  mouse.begin();
}

void loop() {
  if (!mouse.isConnected()) return;

  M5.update();
  if (M5.BtnA.wasClicked()) {
    ::move(true);
  } else if (M5.BtnA.wasHold()) {
    ::move(false);
  }
}