ps1_controller_check_state_input_hid.py

# pip install hidapi

import hid
import time

# Define the vendor ID and product ID for the PlayStation 1 controller
VENDOR_ID = 0x054C
PRODUCT_ID = 0x05C4

# Define the bit masks for each button
BUTTONS = {
    'TRIANGLE': 0x1000,
    'CIRCLE':   0x2000,
    'CROSS':    0x4000,
    'SQUARE':   0x8000
}

def is_button_pressed(data, button):
    # Combine the two bytes of button state (data[5] and data[6]) into a 16-bit word
    button_state = (data[5] << 8) | data[6]
    return (button_state & button) == 0

def main():
    # Initialize the HID library
    hid.api.init()

    # Open the PlayStation 1 controller device
    controller = hid.api.open(VENDOR_ID, PRODUCT_ID)

    if not controller:
        print("Failed to open PlayStation 1 controller device")
        return

    print("PlayStation 1 controller connected!")

    try:
        while True:
            # Read data from the controller (64 bytes)
            data = controller.read(64)

            if data:
                # Print the state of each button
                print("Triangle pressed:", is_button_pressed(data, BUTTONS['TRIANGLE']))
                print("Circle pressed:", is_button_pressed(data, BUTTONS['CIRCLE']))
                print("Cross pressed:", is_button_pressed(data, BUTTONS['CROSS']))
                print("Square pressed:", is_button_pressed(data, BUTTONS['SQUARE']))

            # Delay to prevent spamming the output
            time.sleep(0.1)

    except KeyboardInterrupt:
        print("Exiting...")

    finally:
        # Close the controller device and exit
        controller.close()
        hid.api.exit()

if __name__ == "__main__":
    main()