#include // Initialize USB Controller USBHost usb; // Attach mouse controller to USB MouseController mouse(usb); // This function intercepts mouse button press void mousePressed() { Serial.print("Pressed: "); if (mouse.getButton(LEFT_BUTTON)) Serial.print("L"); if (mouse.getButton(MIDDLE_BUTTON)) Serial.print("M"); if (mouse.getButton(RIGHT_BUTTON)) Serial.print("R"); Serial.println(); } void setup(){ Serial.begin(9600); } void loop(){ usb.Task(); }