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

linuxµÄplatformÇý¶¯

´ÓLinux 2.6ÆðÒýÈëÁËÒ»Ì×еÄÇý¶¯¹ÜÀíºÍ×¢²á»úÖÆ:Platform_deviceºÍPlatform_driver¡£
LinuxÖд󲿷ֵÄÉ豸Çý¶¯£¬¶¼¿ÉÒÔʹÓÃÕâÌ×»úÖÆ, É豸ÓÃPlatform_device±íʾ£¬Çý¶¯ÓÃPlatform_driver½øÐÐ×¢²á¡£
 
Linux platform driver»úÖÆºÍ´«Í³µÄdevice driver »úÖÆ(ͨ¹ýdriver_registerº¯Êý½øÐÐ×¢²á)Ïà±È£¬Ò»¸öÊ®·ÖÃ÷ÏÔµÄÓÅÊÆÔÚÓÚplatform»úÖÆ½«É豸±¾ÉíµÄ×ÊÔ´×¢²á½øÄںˣ¬ÓÉÄÚºËͳһ¹ÜÀí£¬ÔÚÇý¶¯³ÌÐòÖÐʹÓÃÕâЩ×ÊԴʱͨ¹ýplatform deviceÌṩµÄ±ê×¼½Ó¿Ú½øÐÐÉêÇ벢ʹÓá£ÕâÑùÌá¸ßÁËÇý¶¯ºÍ×ÊÔ´¹ÜÀíµÄ¶ÀÁ¢ÐÔ£¬²¢ÇÒÓµÓнϺõĿÉÒÆÖ²ÐԺͰ²È«ÐÔ(ÕâЩ±ê×¼½Ó¿ÚÊǰ²È«µÄ)¡£
 
Platform»úÖÆµÄ±¾ÉíʹÓò¢²»¸´ÔÓ£¬ÓÉÁ½²¿·Ö×é³É£ºplatform_deviceºÍplatfrom_driver¡£
ͨ¹ýPlatform»úÖÆ¿ª·¢·¢µ×²ãÇý¶¯µÄ´óÖÂÁ÷³ÌΪ:  ¶¨Òå platform_device à ×¢²á platform_device à ¶¨Òå platform_driver à×¢²á platform_driver¡£
 
Ê×ÏÈҪȷÈϵľÍÊÇÉ豸µÄ×ÊÔ´ÐÅÏ¢£¬ÀýÈçÉ豸µÄµØÖ·£¬ÖжϺŵȡ£
ÔÚ2.6ÄÚºËÖÐplatformÉ豸ÓýṹÌåplatform_deviceÀ´ÃèÊö£¬¸Ã½á¹¹Ì嶨ÒåÔÚkernel\include\linux\platform_device.hÖУ¬
struct platform_device {
 const char * name;
 u32  id;
 struct device dev;
 u32  num_resources;
 struct resource * resource;
};
 
¸Ã½á¹¹Ò»¸öÖØÒªµÄÔªËØÊÇresource£¬¸ÃÔªËØ´æÈëÁË×îÎªÖØÒªµÄÉ豸×ÊÔ´ÐÅÏ¢£¬¶¨ÒåÔÚkernel\include\linux\ioport.hÖУ¬
struct resource {
 const char *name;
 unsigned long start, end;
 unsigned long flags;
 struct resource *parent, *sibling, *child;
};
 
ÏÂÃæ¾Ùs3c2410ƽ̨µÄi2cÇý¶¯×÷ΪÀý×ÓÀ´ËµÃ÷£º
/* arch/arm/mach-s3c2410/devs.c */
/* I2C */
static struct resource s3c_i2c_resource[] = {
         [0] = {
                   .start = S3C24XX_PA_IIC,
                   .end = S3C24XX_PA_IIC + S3C24XX_SZ_IIC - 1,
            &


Ïà¹ØÎĵµ£º

ʵսLinux Bluetooth±à³Ì(Áù) L2CAP±à³ÌʵÀý

ÀýÒ»£º·¢ËÍSignaling Packet£º
Signaling CommandÊÇ2¸öBluetoothʵÌåÖ®¼äµÄL2CAP²ãÃüÁî´«Êä¡£ËùÒÔµÃSignaling CommandʹÓÃCID 0x0001.
¶à¸öCommand¿ÉÒÔÔÚÒ»¸öC-frame£¨control frame£©Öз¢ËÍ¡£
 Èç¹ûÒªÖ±½Ó·¢ËÍSignaling Command.ÐèÒª½¨Á¢SOCK_RAWÀàÐ͵ÄL2CAPÁ¬½ÓSocket¡£ÕâÑù²ÅÓлú»á×Ô¼ºÌî³äCommand Code£¬Identi ......

linuxÐéÄâ»ú

 LinuxϵͳϵÄÉ豸ºÍÎļþÅäÖÃ
¡¡Ð½¨Ò»¸öÐéÄâ»úºó£¬³ýÁËʹÓÃĬÈÏÖµ£¬Óû§»¹¿ÉÒÔͨ¹ýÅäÖÃÎļþÐ޸IJÎÊý¡£Õâ¸öÅäÖÃÎļþ£¬Êµ¼ÊÉϾÍÏ൱ÓÚеçÄԵēӲ¼þÅäÖÔ£¬Óû§¿ÉÒÔÔÚÅäÖÃÎļþÖоö¶¨ÐéÄâ»úµÄÓ²ÅÌ¡¢ÄÚ´æ¶à´ó£¬ÊÇ·ñÓв¢¿Ú´®¿Ú¡¢ÊÇ·ñÓÐÍøÂçµÈ¡£µ¥»÷“ÐéÄâ»ú”²Ëµ¥ÏµēÉèÖÔ°´Å¥£¬¾Í¿ ......

linuxÏÂʹÓÃP4£¨ÃüÁîÐУ©

 »·¾³±äÁ¿:
export P4PASSWD=abcdefg
export P4CLIENT=dyoldfish.com    //Õâ¸ö¿ÉÒÔ²»Éè
export P4USER=dyoldfish
export P4PORT=192.168.1.198:1666
ÃüÁ
1¡¢p4 client  #ÅäÖñ¾µØÐÅÏ¢£¬ÎļþÏÂÔØÔÚÄÄÀïÔÚÕâÀïÃæÅäÖã¬RootÏî
2¡¢p4 sync   #´Óperforce ÏÂÔØÎļþ
3¡¢p4 login& ......

linux²Ã¼ô£¨DOMÉÏ£©

 ÏîÄ¿»ù±¾½áÊø£¬Õâ¸öÊÇÆäÖÐϵͳ²Ã¼õµÄÒ»¸ö×ܽáÎĵµ£¬²»ÖªµÀÓÐûÓÐÈ˸ÐÐËȤ£º)
=============================================
ǰÑÔ:
ΪÁËÍê³ÉÓû§µÄÐèÇó£¬ÐèÖÆ×÷Ò»¸öÍêÕûµÄ»·¾³¹©APÔËÐУ¬ÇÒ´æÔÚÒ»Ð©Ô¼ÊøÌõ¼þ¡£
¹Ø¼ü×Ö£º
DOM Kernel Busybox X-Window Window-Manager Interbase nvidia cutdown
Ä¿±ê˵Ã÷£º
ÔÚÒ» ......

LinuxÆô¶¯È«ÏßÌáËÙ·¨

×¼±¸¹¤×÷
Èç¹ûÏë²ÉÓñ¾ÎĽéÉܵķ½·¨¶ÔLinuxϵͳ½øÐÐÉèÖã¬Ê×ÏÈÒªÊìϤLinuxϵͳµÄÉèÖÃÓïÑÔ¡£¶ÔϵͳµÄÆô¶¯¹ý³Ì½øÐÐÉèÖÃÊÇÒ»Ïî±È½ÏΣÏÕµÄÐÐΪ£¬ÈÝÒ×Ôì³Éϵͳ ÎÞ·¨Æô¶¯¡£Ò»µ©·¢ÉúÕâÖÖÇé¿ö£¬×îºÃÖØÐÂÆô¶¯ÏµÍ³ºóÑ¡Ôñµ¥Ò»Óû§Ä£Ê½£¬½«ÏµÍ³»¹Ô­²¢ÖØÆô¡£µ±È»£¬×îÖØÒªµÄÊÇÔÚÉèÖÃǰ±¸·ÝÖØÒªÊý¾Ý¡£
Æä´Î£¬½¨ÒéÓû§×îºÃÔÚ¶Ô±¾»úϵͳ½ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ