Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

dzÎölinuxϼüÅÌÉ豸¹¤×÷ºÍ×¢²áÁ÷³Ì

dzÎölinuxϼüÅÌÉ豸¹¤×÷ºÍ×¢²áÁ÷³Ì
¡¾Ç³ÎölinuxÏÂÊó±êÇý¶¯µÄʵÏÖ¡¿
 input_init()=>
=>
class_register(&input_class);×¢²áinputÀà
input_proc_init();´´½¨procϵÄĿ¼ºÍÎļþ
register_chrdev(INPUT_MAJOR, "input", &input_fops);×¢²áÇý¶¯³ÌÐòµ½cdev_mapÉÏ,ÒÔ´ýÇý¶¯É豸.
drivers\input\keyboard\pxa3xx_keypad.cΪÎÒÃǵÄkeyboardÉ豸,
pxa3xx_keypad_probe=>
request_irq(IRQ_ENHROT, &enhanced_rotary_interrupt,
            IRQF_DISABLED, "Enhanced Rotary", (void *)keypad);×¢²á¿ì½Ý¼üÖжÏ
request_irq(IRQ_KEYPAD, pxa3xx_keypad_interrupt, IRQF_DISABLED,pdev->name, keypad);×¢²áÖжÏ
static irqreturn_t pxa3xx_keypad_interrupt(int irq, void *dev_id)
{
    struct pxa3xx_keypad *keypad = dev_id;
    uint32_t kpc = keypad_readl(KPC);
    if (kpc & KPC_MI)
        pxa3xx_keypad_scan_matrix(keypad);
    if (kpc & KPC_DI)
        pxa3xx_keypad_scan_direct(keypad);
    return IRQ_HANDLED;
}
ÔÚirqÖÐÈç¹û¶Áµ½ÁËkey,ÄÇô»áÖ±½Óµ÷ÓÃ
input_report_key(keypad->input_dev,lookup_matrix_keycode(keypad, row, col),
                new_state[col] & (1 << row));
static inline unsigned int lookup_matrix_keycode(
        struct pxa3xx_keypad *keypad, int row, int col)
{
    return keypad->matrix_keycodes[(row << 3) + col];
}
input_report_key(struct input_dev *dev, unsigned int code, int value)
devΪinput_devÉ豸,ÎÒÃǵÄ4*4¼üÅÌ
codeΪ±ê×¼PC¼üÅÌÂëÖµ
valueΪ°´¼ü¶¯×÷,Ϊ1±íʾ¼üÅ̰´ÏÂ,Ϊ0±íʾ°´¼ü̧Æð
static inline void input_report_key(struct input_dev *dev, unsigned int code, int value)
{
    input_event(dev, EV_KEY, code, !!value);
}
void inp


Ïà¹ØÎĵµ£º

linux ÏÂNBU´Å´ø¿âÇå¿Õ·½·¨

ÔÚLinux»·¾³ÏÂÊäÈë: cd /usr/openv/netbackup/bin/admincmd/
                      ./bpexpdate -m ´Å´ø±êÇ©Ãû(media ID) -d 0 ±íʾ¶ÔÕâÅÌ´Å´øµÄÊý¾ÝÇå¿Õ,Èç´Å´ø½éÖʱ£´æÖÜÆÚÊÇÓÀ¾ÃµÄ,
Ò²»áÈ«²¿Çå¿Õ,ʹËü¹ýÆ ......

Linuxϵͳ¹ÜÀíʵ¼ù(2)£ºOpenSSHÔ¶³Ì¹ÜÀíÅäÖÃ

    OpenSSHÊÇSSH(Secure SHell)ЭÒéµÄÃâ·Ñ¿ªÔ´ÊµÏÖ¡£ËüÓð²È«¡¢¼ÓÃܵÄÍøÂçÁ¬½Ó¹¤¾ß´úÌæÁËtelnet¡¢ftp¡¢rlogin¡¢rshºÍrcp¹¤¾ß¡£OpenSSHÖ§³ÖSSHЭÒéµÄ°æ±¾1.3¡¢1.5ºÍ2¡£SSHЭÒé×å¿ÉÒÔÓÃÀ´½øÐÐÔ¶³Ì¿ØÖÆ£¬ »òÔÚ¼ÆËã»úÖ®¼ä´«ËÍÎļþ¡£¶øÊµÏִ˹¦ÄܵĴ«Í³·½Ê½£¬Èçtelnet(ÖÕ¶Ë·ÂÕæÐ­Òé), rcp(Ô¶³Ì¸´ÖÆÐ­Òé)¶¼ÊǼ«Îª ......

Ubuntu LinuxÏÂËÑË÷ÎļþºÍÎļþÄÚÈÝ

whereis <³ÌÐòÃû³Æ>
²éÕÒÈí¼þµÄ°²×°Â·¾¶
-b Ö»²éÕÒ¶þ½øÖÆÎļþ
-m Ö»²éÕÒ°ïÖúÎļþ
-s Ö»²éÕÒÔ´´úÂë
-u ÅųýÖ¸¶¨ÀàÐÍÎļþ
-f Ö»ÏÔʾÎļþÃû
-B <Ŀ¼> ÔÚÖ¸¶¨Ä¿Â¼Ï²éÕÒ¶þ½øÖÆÎļþ
-M <Ŀ¼> ÔÚÖ¸¶¨Ä¿Â¼Ï²éÕÒ°ïÖúÎļþ
-S <Ŀ¼> ÔÚÖ¸¶¨Ä¿Â¼Ï²éÕÒÔ´´úÂë
locate <ÎļþÃû³Æ>
ÔÚÎļþË÷ ......

linuxµÄpsÃüÁת£©

linuxµÄpsÃüÁîºÍtop¶¼ÊÇÓÃÀ´¼àÊÓϵͳ½ø³ÌºÍ×ÊԴʹÓÃÇé¿öµÄÓÐÓÃÃüÁî, psÃüÁî¸üΪ³£ÓÃ, ËùÒÔÕÆÎÕpsÃüÁîÊǺÜÓбØÒªµÄ
psÃüÁîÈç¹ûÓÐÈκÎÒÉÎÊ,ÇëÔÚÖÕ¶ËÏÂÊäÈë :# man ps
Ãû³Æ£ºps
ʹÓÃȨÏÞ£ºËùÓÐʹÓÃÕß
ʹÓ÷½Ê½£ºps [options] [--help]
˵Ã÷£ºÏÔʾ˲¼äÐÐ³Ì (process) µÄ¶¯Ì¬
²ÎÊý£º
ps µÄ²ÎÊý·Ç³£¶à, Ôڴ˽öÁгö¼¸¸ö³£Óà ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ