Controlling pan-tilt with game pad on Raspberry Pi with Python

joy-camera.py

from evdev import InputDevice
import pigpio

pi = pigpio.pi()

tilt = 17
pan = 27


x = 1250
y = 1250

# want to display ALL info?
debug = False

if debug:
        for device in evdev.list_devices():
                print(evdev.InputDevice(device))

        input("Press Enter to continue ...")

# create object to read input - specify YOUR device
controller = InputDevice('/dev/input/event0')

# what are the controller details?
if debug:
    print(controller)

# read controller info in an infinite loop
for event in controller.read_loop():

    # here I am looking for the start button
    # so I can quit
    if event.type == 1:
        exit()

    # set as true above if you want to look up
    # different button values
    if debug:
        print("\n\nEvent Type:{}".format(event.type))
        print("Event Code:{}".format(event.code))
        print("Event Value:{}".format(event.value))

    # look for pad moves
    if event.type == 3:

        # up and down is 17
        if event.code == 17:
            if event.value == 1:
                print("\n\n\nPad Up\n")
                if y > 600: y -= 100
            if event.value == -1:
                print("\n\n\nPad Down\n")
                if y < 2400:y += 100

        pi.set_servo_pulsewidth(tilt, y)

        # left and right is 16
        if event.code == 16:
            if event.value == -1:
                print("\n\n\nPad Left\n")
                if x > 600: x -= 100

            if event.value == 1:
                print("\n\n\nPad Right\n")
                if x < 2400: x += 100

        pi.set_servo_pulsewidth(pan, x)