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# Copyright 2014 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""HID constant definitions.
"""
import usb_constants
class DescriptorType(object):
"""Class descriptors.
See Device Class Definition for Human Interface Devices (HID) Version 1.11
section 7.1.
"""
HID = usb_constants.Type.CLASS | 0x01
REPORT = usb_constants.Type.CLASS | 0x02
PHYSICAL = usb_constants.Type.CLASS | 0x03
class Scope(object):
"""Item scope.
See Device Class Definition for Human Interface Devices (HID) Version 1.11
section 6.2.2.2.
"""
MAIN = 0
GLOBAL = 1
LOCAL = 2
class CollectionType(object):
"""Collection types.
See Device Class Definition for Human Interface Devices (HID) Version 1.11
section 6.2.2.4.
"""
PHYSICAL = 0
APPLICATION = 1
LOGICAL = 2
REPORT = 3
NAMED_ARRAY = 4
USAGE_SWITCH = 5
USAGE_MODIFIER = 6
class Request(object):
"""Class specific requests.
See Device Class Definition for Human Interface Devices (HID) Version 1.11
section 7.2.
"""
GET_REPORT = 1
GET_IDLE = 2
GET_PROTOCOL = 3
SET_REPORT = 9
SET_IDLE = 0x0A
SET_PROTOCOL = 0x0B
class ReportType(object):
"""Report types.
See Device Class Definition for Human Interface Devices (HID) Version 1.11
section 7.2.1.
"""
INPUT = 1
OUTPUT = 2
FEATURE = 3
class ModifierKey(object):
"""Keyboard modifier key report values.
See Device Class Definition for Human Interface Devices (HID) Version 1.11
section 8.3 and HID Usage Tables Version 1.1 Table 12.
"""
L_CTRL = 0x01
L_SHIFT = 0x02
L_ALT = 0x04
L_GUI = 0x08
R_CTRL = 0x10
R_SHIFT = 0x20
R_ALT = 0x40
R_GUI = 0x80
class LED(object):
"""Keyboard LED report values.
See Device Class Definition for Human Interface Devices (HID) Version 1.11
section B.1 and HID Usage Tables Version 1.1 Table 13.
"""
NUM_LOCK = 0x01
CAPS_LOCK = 0x02
SCROLL_LOCK = 0x04
COMPOSE = 0x08
KANA = 0x10
class Mouse(object):
"""Mouse button report values.
See Device Class Definition for Human Interface Devices (HID) Version 1.11
section B.2.
"""
BUTTON_1 = 0x01
BUTTON_2 = 0x02
BUTTON_3 = 0x04
KEY_CODES = {}
for key, code in zip(xrange(ord('a'), ord('z') + 1), xrange(4, 30)):
KEY_CODES[chr(key)] = code
for key, code in zip(xrange(ord('1'), ord('9') + 1), xrange(30, 39)):
KEY_CODES[chr(key)] = code
for key, code in zip(['Enter', 'Esc', 'Backspace', 'Tab', ' '], xrange(40, 45)):
KEY_CODES[key] = code
for key, code in zip('-=[]\\', xrange(45, 50)):
KEY_CODES[key] = code
for key, code in zip(';\'`,./', xrange(51, 57)):
KEY_CODES[key] = code
for key, code in zip(
['CapsLock', 'F1', 'F2', 'F3', 'F4', 'F5', 'F6', 'F7', 'F8', 'F9', 'F10',
'F11', 'F12', 'PrintScreen', 'ScrollLock', 'Pause', 'Insert', 'Home',
'PageUp', 'PageDown', 'Delete', 'End', 'PageDown', 'RightArrow',
'LeftArrow', 'DownArrow', 'UpArrow', 'NumLock'],
xrange(57, 84)):
KEY_CODES[key] = code
SHIFT_KEY_CODES = {}
for key, code in zip(xrange(ord('A'), ord('Z') + 1), xrange(4, 30)):
SHIFT_KEY_CODES[chr(key)] = code
for key, code in zip('!@#$%^&*()', xrange(30, 40)):
SHIFT_KEY_CODES[key] = code
for key, code in zip('_+{}|', xrange(45, 50)):
SHIFT_KEY_CODES[key] = code
for key, code in zip(':"~<>?', xrange(51, 57)):
SHIFT_KEY_CODES[key] = code
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