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1 ÊäÈë×Óϵͳ¼Ü¹¹Overview
        ÊäÈë×Óϵͳ£¨Input Subsystem£©µÄ¼Ü¹¹ÈçÏÂͼËùʾ
 
        ÊäÈë×ÓϵͳÓÉ ÊäÈë×ÓϵͳºËÐIJ㣨 Input Core £©£¬Çý¶¯²ãºÍʼþ´¦Àí²ã£¨Event Handler£©Èý²¿·Ý×é³É¡£Ò»¸öÊäÈëʼþ£¬ÈçÊó±êÒÆ¶¯£¬¼üÅ̰´¼ü°´Ï£¬joystickµÄÒÆ¶¯µÈµÈͨ¹ý Driver -> InputCore -> Eventhandler -> userspace µÄ˳Ðòµ½´ïÓû§¿Õ¼ä´«¸øÓ¦ÓóÌÐò¡£
        ÆäÖÐInput Core ¼´ Input Layer ÓÉ driver/input/input.c¼°Ïà¹ØÍ·ÎļþʵÏÖ¡£¶ÔÏÂÌṩÁËÉ豸Çý¶¯µÄ½Ó¿Ú£¬¶ÔÉÏÌṩÁËEvent Handler²ãµÄ±à³Ì½Ó¿Ú¡£
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Struct Evdev
Struct Mousedev
Struct Keybdev…
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Mousedev.c
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