Android事件处理分
2010-09-10 00:47:00 来源：WEB开发网.probe = pxa27x_keypad_probe,
.remove = __devexit_p(pxa27x_keypad_remove),
.suspend = pxa27x_keypad_suspend,
.resume = pxa27x_keypad_resume,
.driver = {
.name = "pxa27x-keypad",
.owner = THIS_MODULE,
},
};
ANDROID_ROOT 为环境变量，在android的命令模式下通过 printenv 可以知道它为： system
所以 keylayoutFilename 为：/system/usr/keylayout/pxa27x-keypad.kl
pxa27x-keypad.kl 定义了按键映射，具体内容如下：
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·········10········20········30········40········50········60········70········80········90········100·······110·······120·······130·······140·······150
# NUMERIC KEYS 3x4
key 2 1
key 3 2
key 4 3
key 5 4
key 6 5
key 7 6
key 8 7
key 9 8
key 10 9
key 11 0
key 83 POUND
key 55 STAR
# FUNCTIONAL KEYS
key 231 MENU WAKE_DROPPED
key 192 BACK WAKE_DROPPED
key 193 HOME WAKE
key 107 DEL WAKE
key 102 CALL WAKE_DROPPED
key 158 ENDCALL WAKE_DROPPED
key 28 DPAD_CENTER WAKE
key 115 VOLUME_UP
key 114 VOLUME_DOWN
# NUMERIC KEYS 3x4
key 2 1
key 3 2
key 4 3
key 5 4
key 6 5
key 7 6
key 8 7
key 9 8
key 10 9
key 11 0
key 83 POUND
key 55 STAR
# FUNCTIONAL KEYS
key 231 MENU WAKE_DROPPED
key 192 BACK WAKE_DROPPED
key 193 HOME WAKE
key 107 DEL WAKE
key 102 CALL WAKE_DROPPED
key 158 ENDCALL WAKE_DROPPED
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