import drivers.usb.usb as usb


define HID_BOOT_PROTOCOL   = 0
define HID_REPORT_PROTOCOL = 1

define HID_KBD_REPORT_SIZE   = 8
define HID_MOUSE_REPORT_SIZE = 4

class hid_kbd_report:
    modifier: uint8
    reserved: uint8
    keycode: [6]uint8

class hid_mouse_report:
    buttons: uint8
    dx: int8
    dy: int8
    wheel: int8

def init_keyboard(dev: usb.usb_device*) -> int:
    if dev.iface_class != 0x03: return -1
    if dev.iface_protocol != 0x01: return -2
    if dev.ep_in == 0: return -3
    return 0

def init_mouse(dev: usb.usb_device*) -> int:
    if dev.iface_class != 0x03: return -1
    if dev.iface_protocol != 0x02: return -2
    if dev.ep_in == 0: return -3
    return 0

def read_keyboard(dev: usb.usb_device*, report: hid_kbd_report*) -> int:
    return usb.read_interrupt(dev, &report) # 存疑

def read_mouse(dev: usb.usb_device*, report: hid_mouse_report*) -> int:
    return usb.read_interrupt(dev, &report)