https://blog.thea.codes/talking-to-gamepads-without-pygame/

controller.py

import hid


def button_check(report):
    button_press = report[8]
    # print("{:08b}".format(button_press))
    if button_press == 0:
        return
    a = button_press & 0b00000001
    if a:
        print("Button A is pressed")
    b = button_press & 0b00000010
    if b: 
        print("Button B is pressed")
    x = button_press & 0b00001000
    if x: 
        print("Button X is pressed")

    y = button_press & 0b00010000
    if y: 
        print("Button y is pressed")

    r1 = button_press & 0b10000000 
    if r1:
        print("Button R1 is pressed")

    l1 = button_press & 0b01000000
    if l1:
        print("Button L1 is pressed")

def start_or_select(report):
    button_press = report[9]
    if button_press == 0:
        return
    # print("{:08b}".format(button_press))

    select = button_press & 0b00000100
    if select: 
        print("Button Select is pressed")

    start = button_press & 0b00001000
    if start: 
        print("Button Start is pressed")


def dbpad_press(report):
    button_press = report[1]
    if button_press == 15:
        return

    # print("{:08b}".format(button_press))

    if button_press == 0: 
        print("Button D-UP is pressed")

    down = button_press == 4
    if down: 
        print("Button D-Down is pressed")
    
    left = button_press == 6
    if left: 
        print("Button D-Left is pressed")

    right = button_press == 2 
    if right: 
        print("Button D-Right is pressed")



def main():
    print("Looking for device '8Bitdo FC30 Pro'")
    address_of_device = []
    for device in hid.enumerate():
        product_string = device['product_string']
        if len(product_string) > 0:
            if product_string == "8Bitdo FC30 Pro":
                print("Found 8Bitdo FC30 Pro")
                address_of_device.append(f"0x{device['vendor_id']:04x}")
                address_of_device.append(f"0x{device['product_id']:04x}")
                break
    else:
        print("Didn't find device! :(")
        return


    print("connect to '8Bitdo FC30 Pro'")
    gamepad = hid.device()
    gamepad.open(int(address_of_device[0], 16), int(address_of_device[1], 16))
    gamepad.set_nonblocking(True)
    print("connected")

    print("Waiting for inputs....")
    while True:
        report = gamepad.read(64)
        if report:
                button_check(report)
                start_or_select(report)
                dbpad_press(report)






# no_button_press = [3, 15, 128, 127, 128, 127, 0, 0, 0, 0] 

# a_press = [3, 15, 128, 127, 128, 127, 0, 0, 1, 0] 
# b_press = [3, 15, 128, 127, 128, 127, 0, 0, 2, 0]
# x_press = [3, 15, 128, 127, 128, 127, 0, 0, 8, 0]
# y_press = [3, 15, 128, 127, 128, 127, 0, 0, 16, 0]

# r1_press = [3, 15, 128, 127, 128, 127, 0, 0, 1, 28, 0]
# l1_press = [3, 15, 128, 127, 128, 127, 0,   0, 64, 0]
# r2_press = [3, 15, 128, 127, 128, 127, 255, 0,  0, 2]
# l2_press = [3, 15, 128, 127, 128, 127, 0, 255,  0, 1]

# select_press = [3, 15, 128, 127, 128, 127, 0, 0, 0, 4]
# start_press = [3, 15, 128, 127, 128, 127, 0, 0, 0, 8]

# dpad_up_press = [3, 0, 128, 127, 128, 127, 0, 0, 0, 0]
# dpad_down_press = [3, 4, 128, 127, 128, 127, 0, 0, 0, 0]
# dpad_left_press = [3, 6, 128, 127, 128, 127, 0, 0, 0, 0]
# dpad_right_press = [3, 2, 128, 127, 128, 127, 0, 0, 0, 0]

main()