Kbd Hid: Replaced chr to bytearray

hidinput.py

@@ -17,7 +17,6 @@ lock = threading.Lock()
 # initialize a flask object
 app = Flask(__name__)
 
-NULL = chr(0)
 hiddev = None
 hidmouse = None
 
@@ -30,7 +29,7 @@ def hid_write(data):
     if hiddev is None:
         return False
 
-    hiddev.write(data.encode())
+    hiddev.write(data)
     hiddev.flush()
 
 def hid_mouse_write(btn, x, y, wheel):
@@ -48,20 +47,22 @@ def hid_mouse_write(btn, x, y, wheel):
 
 
 def send_key(hidkey, shift, alt, ctlr):
-    modkey = ord(NULL)
+    data = bytearray(8)
     if shift:
-        modkey += hidkeycodes['KEY_MOD_LSHIFT']
+        data[0] += hidkeycodes['KEY_MOD_LSHIFT']
     if alt:
-        modkey += hidkeycodes['KEY_MOD_LALT']
+        data[0] += hidkeycodes['KEY_MOD_LALT']
     if ctlr:
-        modkey += hidkeycodes['KEY_MOD_LCTRL']
+        data[0] += hidkeycodes['KEY_MOD_LCTRL']
 
     if hidkey == hidkeycodes['KEY_MOD_LMETA'] or hidkey == hidkeycodes['KEY_MOD_RMETA']:
-        modkey += hidkey
-        hidkey=ord(NULL)
+        data[0] += hidkey
+        hidkey=0
 
-    hid_write(chr(modkey)+NULL+chr(hidkey)+NULL*5)
-    hid_write(NULL*8)
+    data[2] = hidkey
+
+    hid_write(data)
+    hid_write(bytearray(8))
 
 
 def get_hid_by_jscode(rawkeycode):