find_mouse_endpoint() function and convert to ruff.

[FoamyGuy]

This allows user code to find and read from a mouse without having to hardcode the VID/PID, interface index, and endpoint address.

Example usage of the new function:

mouse_interface_index, mouse_endpoint_address = None, None
mouse = None

for device in usb.core.find(find_all=True):
    mouse_interface_index, mouse_endpoint_address = adafruit_usb_host_descriptors.find_mouse_endpoint(device)
    if mouse_interface_index is not None and mouse_endpoint_address is not None:
        mouse = device
        print(f"mouse interface: {mouse_interface_index} endpoint_address: {hex(mouse_endpoint_address)}")
        break

if mouse is not None:
    # detach the kernel driver if needed
    if mouse.is_kernel_driver_active(mouse_interface_index):
        mouse.detach_kernel_driver(mouse_interface_index)

    # set configuration on the mouse so we can use it
    mouse.set_configuration()

mouse_buf = array.array("b", [0] * 4)
while True:
    if mouse is not None:
    try:
        count = mouse.read(mouse_endpoint_address, mouse_buf, timeout=10)
        print(mouse_buf)
    except usb.core.USBTimeoutError:
        # skip the rest of the loop if there is no data
        continue

[tannewt]

Thanks! One question.

[tannewt]

Thank you!