Hid: JS keycode, HID keycode, mapping, sending

hidinput.py

@@ -1,10 +1,16 @@
 from flask import Response
 from flask import Flask
 from flask import render_template
+from flask import request
 import threading
 import argparse
 import datetime
 import time
+import json
+
+from hidkeycodes import hidkeycodes
+from jskeycodes import jskeycodes
+
 
 lock = threading.Lock()
 
@@ -14,10 +20,10 @@ app = Flask(__name__)
 NULL = chr(0)
 hiddev = None
 
-def init():
+def hid_init():
     hiddev=open('/dev/hidg0', 'rb+')
 
-def hidwrite(data):
+def hid_write(data):
     if hiddev is None:
         return False
 
@@ -27,12 +33,26 @@ def hidwrite(data):
 
 def send_key(hidkey, shift, alt, ctlr, superkey):
     # TODO handle mod keys
-    hidwrite(NULL*2+chr(hidkey)+NULL*5)
+    hid_write(NULL*2+chr(hidkey)+NULL*5)
-    hidwrite(NULL*8)
+    hid_write(NULL*8)
 
 
-def get_hid_by_scancode(scancode):
+def get_hid_by_jscode(rawkeycode):
+    hidkeycode = None
+    hidkeyname = None
 
+    if rawkeycode in jskeycodes.values():
+        hidkeyname = list(jskeycodes.keys())[list(jskeycodes.values()).index(rawkeycode)]
+        if hidkeyname in hidkeycodes:
+            hidkeycode = hidkeycodes[hidkeyname]
+        else:
+            print("Code for key {} not found in HID mapping".format(hidkeyname))
+    else:
+        print("Javascript code for key {} not found".format(rawkeycode))
+
+    print ("JS key: {} HID key: {}({})".format(rawkeycode, hidkeyname, hidkeycode))
+
+    return hidkeycode
 
 @app.route("/")
 def index():
@@ -41,27 +61,46 @@ def index():
 
 @app.route("/hid/keyboard", methods=["POST"])
 def keypress():
-	return Response("Stisknuto ", mimetype = "text/plain")
+    keyevent = json.loads(request.data)
+    print ("Raw data: {}".format(request.data))
+
+    rawkeycode = keyevent['code']
+    hidkeycode = get_hid_by_jscode(rawkeycode)
+
+    if hidkeycode is not None:
+        try:
+            send_key(
+                hidkeycode,
+                keyevent['shiftKey'],
+                keyevent['altKey'],
+                keyevent['ctrlKey'],
+                False)
+        except Exception as e:
+            print("Error sending HID message", e)
+
+    return Response("Press {}".format(hidkeycode), mimetype = "text/plain")
 
 
 # check to see if this is the main thread of execution
 if __name__ == '__main__':
-	# construct the argument parser and parse command line arguments
+    # construct the argument parser and parse command line arguments
-	ap = argparse.ArgumentParser()
+    ap = argparse.ArgumentParser()
-	ap.add_argument("-i", "--ip", type=str, required=True,
+    ap.add_argument("-i", "--ip", type=str, required=True,
-	        help="ip address of the device")
+        help="ip address of the device")
-	ap.add_argument("-o", "--port", type=int, required=True,
+    ap.add_argument("-o", "--port", type=int, required=True,
-		help="ephemeral port number of the server (1024 to 65535)")
+        help="ephemeral port number of the server (1024 to 65535)")
-	ap.add_argument("-f", "--frame-count", type=int, default=32,
+    ap.add_argument("-f", "--frame-count", type=int, default=32,
-		help="# of frames used to construct the background model")
+        help="# of frames used to construct the background model")
-	args = vars(ap.parse_args())
+    args = vars(ap.parse_args())
 
-        app.run(host=args["ip"], port=args["port"], debug=True,
+    hid_init()
-		threaded=True, use_reloader=False)
+
+    app.run(host=args["ip"], port=args["port"], debug=True,
+    threaded=True, use_reloader=False)
 
 
-        # Clean up
+    # Clean up
-        if hiddev is not None:
+    if hiddev is not None:
-            print("Closing hid")
+        print("Closing hid")
-            hiddev.close()
+        hiddev.close()
 

hidkeycodes.py

@@ -0,0 +1,181 @@
+
+hidkeycodes = {
+    'KEY_MOD_LCTRL': '0x01',
+    'KEY_MOD_LSHIFT': '0x02',
+    'KEY_MOD_LALT': '0x04',
+    'KEY_MOD_LMETA': '0x08',
+    'KEY_MOD_RCTRL': '0x10',
+    'KEY_MOD_RSHIFT': '0x20',
+    'KEY_MOD_RALT': '0x40',
+    'KEY_MOD_RMETA': '0x80',
+    'KEY_NONE': '0x00',
+    'KEY_ERR_OVF': '0x01',
+    'KEY_A': '0x04',
+    'KEY_B': '0x05',
+    'KEY_C': '0x06',
+    'KEY_D': '0x07',
+    'KEY_E': '0x08',
+    'KEY_F': '0x09',
+    'KEY_G': '0x0a',
+    'KEY_H': '0x0b',
+    'KEY_I': '0x0c',
+    'KEY_J': '0x0d',
+    'KEY_K': '0x0e',
+    'KEY_L': '0x0f',
+    'KEY_M': '0x10',
+    'KEY_N': '0x11',
+    'KEY_O': '0x12',
+    'KEY_P': '0x13',
+    'KEY_Q': '0x14',
+    'KEY_R': '0x15',
+    'KEY_S': '0x16',
+    'KEY_T': '0x17',
+    'KEY_U': '0x18',
+    'KEY_V': '0x19',
+    'KEY_W': '0x1a',
+    'KEY_X': '0x1b',
+    'KEY_Y': '0x1c',
+    'KEY_Z': '0x1d',
+    'KEY_1': '0x1e',
+    'KEY_2': '0x1f',
+    'KEY_3': '0x20',
+    'KEY_4': '0x21',
+    'KEY_5': '0x22',
+    'KEY_6': '0x23',
+    'KEY_7': '0x24',
+    'KEY_8': '0x25',
+    'KEY_9': '0x26',
+    'KEY_0': '0x27',
+    'KEY_ENTER': '0x28',
+    'KEY_ESC': '0x29',
+    'KEY_BACKSPACE': '0x2a',
+    'KEY_TAB': '0x2b',
+    'KEY_SPACE': '0x2c',
+    'KEY_MINUS': '0x2d',
+    'KEY_EQUAL': '0x2e',
+    'KEY_LEFTBRACE': '0x2f',
+    'KEY_RIGHTBRACE': '0x30',
+    'KEY_BACKSLASH': '0x31',
+    'KEY_HASHTILDE': '0x32',
+    'KEY_SEMICOLON': '0x33',
+    'KEY_APOSTROPHE': '0x34',
+    'KEY_GRAVE': '0x35',
+    'KEY_COMMA': '0x36',
+    'KEY_DOT': '0x37',
+    'KEY_SLASH': '0x38',
+    'KEY_CAPSLOCK': '0x39',
+    'KEY_F1': '0x3a',
+    'KEY_F2': '0x3b',
+    'KEY_F3': '0x3c',
+    'KEY_F4': '0x3d',
+    'KEY_F5': '0x3e',
+    'KEY_F6': '0x3f',
+    'KEY_F7': '0x40',
+    'KEY_F8': '0x41',
+    'KEY_F9': '0x42',
+    'KEY_F10': '0x43',
+    'KEY_F11': '0x44',
+    'KEY_F12': '0x45',
+    'KEY_SYSRQ': '0x46',
+    'KEY_SCROLLLOCK': '0x47',
+    'KEY_PAUSE': '0x48',
+    'KEY_INSERT': '0x49',
+    'KEY_HOME': '0x4a',
+    'KEY_PAGEUP': '0x4b',
+    'KEY_DELETE': '0x4c',
+    'KEY_END': '0x4d',
+    'KEY_PAGEDOWN': '0x4e',
+    'KEY_RIGHT': '0x4f',
+    'KEY_LEFT': '0x50',
+    'KEY_DOWN': '0x51',
+    'KEY_UP': '0x52',
+    'KEY_NUMLOCK': '0x53',
+    'KEY_KPSLASH': '0x54',
+    'KEY_KPASTERISK': '0x55',
+    'KEY_KPMINUS': '0x56',
+    'KEY_KPPLUS': '0x57',
+    'KEY_KPENTER': '0x58',
+    'KEY_KP1': '0x59',
+    'KEY_KP2': '0x5a',
+    'KEY_KP3': '0x5b',
+    'KEY_KP4': '0x5c',
+    'KEY_KP5': '0x5d',
+    'KEY_KP6': '0x5e',
+    'KEY_KP7': '0x5f',
+    'KEY_KP8': '0x60',
+    'KEY_KP9': '0x61',
+    'KEY_KP0': '0x62',
+    'KEY_KPDOT': '0x63',
+    'KEY_102ND': '0x64',
+    'KEY_COMPOSE': '0x65',
+    'KEY_POWER': '0x66',
+    'KEY_KPEQUAL': '0x67',
+    'KEY_F13': '0x68',
+    'KEY_F14': '0x69',
+    'KEY_F15': '0x6a',
+    'KEY_F16': '0x6b',
+    'KEY_F17': '0x6c',
+    'KEY_F18': '0x6d',
+    'KEY_F19': '0x6e',
+    'KEY_F20': '0x6f',
+    'KEY_F21': '0x70',
+    'KEY_F22': '0x71',
+    'KEY_F23': '0x72',
+    'KEY_F24': '0x73',
+    'KEY_OPEN': '0x74',
+    'KEY_HELP': '0x75',
+    'KEY_PROPS': '0x76',
+    'KEY_FRONT': '0x77',
+    'KEY_STOP': '0x78',
+    'KEY_AGAIN': '0x79',
+    'KEY_UNDO': '0x7a',
+    'KEY_CUT': '0x7b',
+    'KEY_COPY': '0x7c',
+    'KEY_PASTE': '0x7d',
+    'KEY_FIND': '0x7e',
+    'KEY_MUTE': '0x7f',
+    'KEY_VOLUMEUP': '0x80',
+    'KEY_VOLUMEDOWN': '0x81',
+    'KEY_KPCOMMA': '0x85',
+    'KEY_RO': '0x87',
+    'KEY_KATAKANAHIRAGANA': '0x88',
+    'KEY_YEN': '0x89',
+    'KEY_HENKAN': '0x8a',
+    'KEY_MUHENKAN': '0x8b',
+    'KEY_KPJPCOMMA': '0x8c',
+    'KEY_HANGEUL': '0x90',
+    'KEY_HANJA': '0x91',
+    'KEY_KATAKANA': '0x92',
+    'KEY_HIRAGANA': '0x93',
+    'KEY_ZENKAKUHANKAKU': '0x94',
+    'KEY_KPLEFTPAREN': '0xb6',
+    'KEY_KPRIGHTPAREN': '0xb7',
+    'KEY_LEFTCTRL': '0xe0',
+    'KEY_LEFTSHIFT': '0xe1',
+    'KEY_LEFTALT': '0xe2',
+    'KEY_LEFTWINDOWS': '0xe3',
+    'KEY_RIGHTCTRL': '0xe4',
+    'KEY_RIGHTSHIFT': '0xe5',
+    'KEY_RIGHTALT': '0xe6',
+    'KEY_RIGHTMETA': '0xe7',
+    'KEY_MEDIA_PLAYPAUSE': '0xe8',
+    'KEY_MEDIA_STOPCD': '0xe9',
+    'KEY_MEDIA_PREVIOUSSONG': '0xea',
+    'KEY_MEDIA_NEXTSONG': '0xeb',
+    'KEY_MEDIA_EJECTCD': '0xec',
+    'KEY_MEDIA_VOLUMEUP': '0xed',
+    'KEY_MEDIA_VOLUMEDOWN': '0xee',
+    'KEY_MEDIA_MUTE': '0xef',
+    'KEY_MEDIA_WWW': '0xf0',
+    'KEY_MEDIA_BACK': '0xf1',
+    'KEY_MEDIA_FORWARD': '0xf2',
+    'KEY_MEDIA_STOP': '0xf3',
+    'KEY_MEDIA_FIND': '0xf4',
+    'KEY_MEDIA_SCROLLUP': '0xf5',
+    'KEY_MEDIA_SCROLLDOWN': '0xf6',
+    'KEY_MEDIA_EDIT': '0xf7',
+    'KEY_MEDIA_SLEEP': '0xf8',
+    'KEY_MEDIA_COFFEE': '0xf9',
+    'KEY_MEDIA_REFRESH': '0xfa',
+    'KEY_MEDIA_CALC': '0xfb',
+    }

jskeycodes.py

@@ -0,0 +1,243 @@
+
+jskeycodes = {
+    'KEY_A': 'KeyA',
+    'KEY_B': 'KeyB',
+    'KEY_C': 'KeyC',
+    'KEY_D': 'KeyD',
+    'KEY_E': 'KeyE',
+    'KEY_F': 'KeyF',
+    'KEY_G': 'KeyG',
+    'KEY_H': 'KeyH',
+    'KEY_I': 'KeyI',
+    'KEY_J': 'KeyJ',
+    'KEY_K': 'KeyK',
+    'KEY_L': 'KeyL',
+    'KEY_M': 'KeyM',
+    'KEY_N': 'KeyN',
+    'KEY_O': 'KeyO',
+    'KEY_P': 'KeyP',
+    'KEY_Q': 'KeyQ',
+    'KEY_R': 'KeyR',
+    'KEY_S': 'KeyS',
+    'KEY_T': 'KeyT',
+    'KEY_U': 'KeyU',
+    'KEY_V': 'KeyV',
+    'KEY_W': 'KeyW',
+    'KEY_X': 'KeyX',
+    'KEY_Y': 'KeyY',
+    'KEY_Z': 'KeyZ',
+
+    'KEY_GRAVE': 'Backquote',
+
+    'KEY_0': 'Digit0',
+    'KEY_1': 'Digit1',
+    'KEY_2': 'Digit2',
+    'KEY_3': 'Digit3',
+    'KEY_4': 'Digit4',
+    'KEY_5': 'Digit5',
+    'KEY_6': 'Digit6',
+    'KEY_7': 'Digit7',
+    'KEY_8': 'Digit8',
+    'KEY_9': 'Digit9',
+
+    'KEY_MINUS': 'Minus',
+    'KEY_EQUAL': 'Equal',
+
+    'KEY_LEFTBRACE': 'BracketLeft',
+    'KEY_RIGHTBRACE': 'BracketRight',
+
+    'KEY_SEMICOLON': 'Semicolon',
+    'KEY_APOSTROPHE': 'Quote',
+    'KEY_BACKSLASH': 'Backslash',
+
+    'KEY_COMMA': 'Comma',
+    'KEY_DOT': 'Period',
+    'KEY_SLASH': 'Slash',
+
+    'KEY_102ND': 'IntlBackslash',
+
+    'KEY_KP0': 'Numpad0',
+    'KEY_KP1': 'Numpad1',
+    'KEY_KP2': 'Numpad2',
+    'KEY_KP3': 'Numpad3',
+    'KEY_KP4': 'Numpad4',
+    'KEY_KP5': 'Numpad5',
+    'KEY_KP6': 'Numpad6',
+    'KEY_KP7': 'Numpad7',
+    'KEY_KP8': 'Numpad8',
+    'KEY_KP9': 'Numpad9',
+    'KEY_KPASTERISK': 'NumpadMultiply',
+    'KEY_KPPLUS': 'NumpadAdd',
+    'KEY_KPMINUS': 'NumpadSubtract',
+    'KEY_KPDOT': 'NumpadDecimal',
+    'KEY_KPSLASH': 'NumpadDivide',
+    'KEY_KPENTER': 'NumpadEnter',
+
+    'KEY_ESC': 'Escape',
+    'KEY_F1': 'F1',
+    'KEY_F2': 'F2',
+    'KEY_F3': 'F3',
+    'KEY_F4': 'F4',
+    'KEY_F5': 'F5',
+    'KEY_F6': 'F6',
+    'KEY_F7': 'F7',
+    'KEY_F8': 'F8',
+    'KEY_F9': 'F9',
+    'KEY_F10': 'F10',
+    'KEY_F11': 'F11',
+    'KEY_F12': 'F12',
+    'KEY_F13': 'F13',
+    'KEY_F14': 'F14',
+    'KEY_F15': 'F15',
+    'KEY_F16': 'F16',
+    'KEY_F17': 'F17',
+    'KEY_F18': 'F18',
+    'KEY_F19': 'F19',
+    'KEY_F20': 'F20',
+    'KEY_F21': 'F21',
+    'KEY_F22': 'F22',
+    'KEY_F23': 'F23',
+
+    'KEY_BACKSPACE': 'Backspace',
+    'KEY_SPACE': 'Space',
+    'KEY_TAB': 'Tab',
+    'KEY_ENTER' : 'Enter',
+
+    'KEY_PAGEUP': 'PageUp',
+    'KEY_PAGEDOWN': 'PageDown',
+    'KEY_HOME': 'Home',
+    'KEY_END': 'End',
+    'KEY_INSERT': 'Insert',
+    'KEY_DELETE': 'Delete',
+
+    'KEY_UP': 'ArrowUp',
+    'KEY_DOWN': 'ArrowDown',
+    'KEY_LEFT': 'ArrowLeft',
+    'KEY_RIGHT': 'ArrowRight',
+
+    'KEY_NUMLOCK': 'NumLock',
+    'KEY_CAPSLOCK': 'CapsLock',
+    'KEY_SCROLLLOCK': 'ScrollLock',
+
+    'KEY_LEFTWINDOWS': 'MetaLeft',
+    'KEY_RIGHTMETA': 'ContextMenu',
+}
+
+jskeywhich = {
+    'KEY_CANCEL': 3,
+    'KEY_BACKSPACE': 8,
+    'KEY_TAB': 9,
+    'KEY_CLEAR': 12,
+    'KEY_ENTER': 13,
+    'KEY_...': 14,
+    'KEY_SHIFT': 16,
+    'KEY_CONTROL': 17,
+    'KEY_ALT': 18,
+    'KEY_PAUSE': 19,
+    'KEY_CAPSLOCK': 20,
+    'KEY_ESC': 27,
+    'KEY_SPACE': 32,
+    'KEY_PAGEUP': 33,
+    'KEY_PAGEDOWN': 34,
+    'KEY_END': 35,
+    'KEY_HOME': 36,
+    'KEY_LEFT': 37,
+    'KEY_UP': 38,
+    'KEY_RIGHT': 39,
+    'KEY_DOWN': 40,
+    'KEY_PRINTSCREEN': 44,
+    'KEY_INSERT': 45,
+    'KEY_DELETE': 46,
+    'KEY_0': 48,
+    'KEY_1': 49,
+    'KEY_2': 50,
+    'KEY_3': 51,
+    'KEY_4': 52,
+    'KEY_5': 53,
+    'KEY_6': 54,
+    'KEY_7': 55,
+    'KEY_8': 56,
+    'KEY_9': 57,
+    'KEY_SEMICOLON': 59,
+    'KEY_EQUAL': 61,
+    'KEY_A': 65,
+    'KEY_B': 66,
+    'KEY_C': 67,
+    'KEY_D': 68,
+    'KEY_E': 69,
+    'KEY_F': 70,
+    'KEY_G': 71,
+    'KEY_H': 72,
+    'KEY_I': 73,
+    'KEY_J': 74,
+    'KEY_K': 75,
+    'KEY_L': 76,
+    'KEY_M': 77,
+    'KEY_N': 78,
+    'KEY_O': 79,
+    'KEY_P': 80,
+    'KEY_Q': 81,
+    'KEY_R': 82,
+    'KEY_S': 83,
+    'KEY_T': 84,
+    'KEY_U': 85,
+    'KEY_V': 86,
+    'KEY_W': 87,
+    'KEY_X': 88,
+    'KEY_Y': 89,
+    'KEY_Z': 90,
+    'KEY_CONTEXTMENU': 93,
+    'KEY_NP0': 96,
+    'KEY_NP1': 97,
+    'KEY_NP2': 98,
+    'KEY_NP3': 99,
+    'KEY_NP4': 100,
+    'KEY_NP5': 101,
+    'KEY_NP6': 102,
+    'KEY_NP7': 103,
+    'KEY_NP8': 104,
+    'KEY_NP9': 105,
+    'KEY_KPASTERISK': 106,
+    'KEY_KPPLUS': 107,
+    'KEY_SEPARATOR': 108,
+    'KEY_KPMINUS': 109,
+    'KEY_KPDOT': 110,
+    'KEY_KPSLASH': 111,
+    'KEY_F1': 112,
+    'KEY_F2': 113,
+    'KEY_F3': 114,
+    'KEY_F4': 115,
+    'KEY_F5': 116,
+    'KEY_F6': 117,
+    'KEY_F7': 118,
+    'KEY_F8': 119,
+    'KEY_F9': 120,
+    'KEY_F10': 121,
+    'KEY_F11': 122,
+    'KEY_F12': 123,
+    'KEY_F13': 124,
+    'KEY_F14': 125,
+    'KEY_F15': 126,
+    'KEY_F16': 127,
+    'KEY_F17': 128,
+    'KEY_F18': 129,
+    'KEY_F19': 130,
+    'KEY_F20': 131,
+    'KEY_F21': 132,
+    'KEY_F22': 133,
+    'KEY_F23': 134,
+    'KEY_F24': 135,
+    'KEY_NUMLOCK': 144,
+    'KEY_SCROLLLOCK': 145,
+    'KEY_FIND': 170,
+    'KEY_COMMA': 188,
+    'KEY_MINUS': 189,
+    'KEY_DOT': 190,
+    'KEY_SLASH': 191,
+    'KEY_GRAVE': 192,
+    'KEY_LEFTBRACE': 219,
+    'KEY_BACKSLASH': 220,
+    'KEY_RIGHTBRACE': 221,
+    'KEY_APOSTROPHE': 222,
+    'KEY_META': 224
+}