Keyestudio 4DOF Manual page 220

Serial.print("pressures = ");
if (pressures)
Serial.println("true ");
else
Serial.println("false");
Serial.print("rumble = ");
if (rumble)
Serial.println("true)");
else
Serial.println("false");
Serial.println("Try out all the buttons, X will vibrate the controller, faster as you press harder;");
Serial.println("holding L1 or R1 will print out the analog stick values.");
Serial.println("Note: Go to www.billporter.info for updates and to report bugs.");
}
else if(error == 1)
Serial.println("No controller found, check wiring, see readme.txt to enable debug. visit www.billporter.info for troubleshooting
tips");
else if(error == 2)
Serial.println("Controller found but not accepting commands. see readme.txt to enable debug. Visit www.billporter.info for
troubleshooting tips");
else if(error == 3)
Serial.println("Controller refusing to enter Pressures mode, may not support it. ");
// Serial.print(ps2x.Analog(1), HEX);
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