ǶÈëʽlinuxϵͳÓëÓ¦ÓÃ
Emebedded System and Application(Linux)
Goal
--
ÕÆÎÕǶÈëʽϵͳ¿ª·¢µÄÁ÷³Ì£¬ÏµÍ³ÒÆÖ²µÄ·½·¨£¬±àдBootloader
(Be familiar with the process of ES Developing
, System Migration
amd Bootloader Programming
)
Requriement
--
C¡¢C++¡¢Data Structure¡¢Operating System¡¢Linux¡¢Electronic circuit
Content
--
1
Linux ¿ìËÙÈëÃÅ
Linux ¸ÅÊö£» Linux·¢Ðа棻
Linux¿ª·¢»·¾³´î½¨£vmwareÐéÄâ»ú£»Linuxϵͳ°²×°
LinuxµÄ»ù´¡ÖªÊ¶£» LinuxÎļþϵͳºÍÎļþ£» ShellµÄʹÓã»
³£ÓõÄshellÃüÁLinuxµÄÈí¼þ°²×°£»
Linux ϵÄCÓïÑÔ±à³Ì»ù´¡£»LinuxÏÂVIMµÄʹÓã»
±àÒëÆ÷GCCµÄʹÓ㻵÷ÊÔÆ÷gdbµÄʹÓã»
Linux϶àÎļþ±àÒëÓëÏîÄ¿¹ÜÀí¹¤¾ßmakeµÄʹÓã»
2
CÓïÑÔ»ù´¡Ç¿»¯
CÓïÑÔÓï·¨
CÓïÑÔµÄÄÚ´æ²¼¾ÖÓë³£¼û¿âº¯Êý
3
Êý¾Ý½á¹¹»ù´¡Ç¿»¯
Á´±í¡¢¶ÓÁС¢Õ»¡¢Ê÷¡¢¹þÏ£±í
Êý¾ÝËÑË÷¡¢±éÀú¡¢ÅÅÐòÓë³£¼ûËã·¨
4
C++ÓïÑÔ»ù´¡Ç¿»¯
ÃæÏò¶ÔÏóµÄ±à³Ì·½·¨ À༰¶ÔÏóµÄ·â×° ÀàµÄ¼Ì³ÐÓëÅÉÉú
Ð麯ÊýÓë¶à̬ÐÔ ¹¹Ô캯ÊýÓëÐé¹¹º¯Êý Ä£°å Òì³£´¦Àí
5
ARMÓ²¼þ½Ó¿Ú
ǶÈëʽ΢´¦ÀíÆ÷ ARM¼Ä´æÆ÷ ARM¹¤×÷ģʽ
ARMÒì³£ÖÐ¶Ï ARM»ã±àÖ¸Áî·ÖÀà ARM»ã±àÖ¸ÁîѰַ·½Ê½
ARM»ã±à³ÌÐòÉè¼Æ C¼°»ã±àÓïÑÔ»ìºÏ±à³Ì
ʵÑ飺
»ù±¾ARM»ã±àÖ¸Áî±à³Ì£»Êý¾Ý·ÃÎÊÁ·Ï°£»
ARM»ã±àºÍC»ìºÏ±à³Ì£»ARMÖ¸ÁîºÍTHUMBÖ¸Áî»ìºÏ±à³Ì
MDK¿ª·¢»·¾³Ê¹Óà U-Linuk·ÂÕæÆ÷ʹÓÃ
ARM¿ª·¢µ÷ÊÔ»·¾³½¨Á¢ ARM GPIOÓ¦ÓÃ
ARM´æ´¢Æ÷¿ØÖÆÆ÷ ARMÖжϿØÖÆÆ÷£¨IRQºÍFIQ£©
ʵÑ飺
ARM»ã±àÓïÑÔÓëCÓïÑÔʵÏÖÅÜÂíµÆ£»
IRQÓëFIQÖжÏÁ÷³Ì·ÖÎö
ARMʱÖÓ¼°¶¨Ê±Æ÷£»TFT LCDÇý¶¯³ÌÐòÉè¼Æ
ʵÑ飺
¿´ÃŹ·¶¨Ê±Æ÷Ó¦Óã»LCDÏÔʾÇúÏß¼°Í¼Æ¬£»
LCDºº×ÖÏÔʾʵÑ飻
ADC¿ØÖÆÆ÷Ó¦Óã»´¥ÃþÆÁÓ¦Óü°Ð£×¼
ʵÑ飺
ADCÓ¦ÓÃʵÑ飻´¥ÃþÆÁʵÏÖʵÑé
PWMʱÖÓÓ¦Óã»ÊµÊ±Ê±ÖÓ¼°ÄÖÖÓÓ¦ÓÃ
ʵÑ飺
·äÃùÆ÷¿ØÖÆ£»ÊµÊ±Ê±ÖÓ¼°ÄÖÖÓÓ¦Óã»
ARM¹¤×÷ģʽת»»£»ARMÆô¶¯´úÂëÉè¼Æ
NOR FlashÓ¦ÓÃÉè¼Æ£»NAND FlashÓ¦ÓÃÉè¼Æ
IIC×ÜÏß¿ØÖÆÆ÷
ʵÑ飺
NOR Flash±à³Ì£»NAND Flash±à³Ì£»
6
½»²æ¿ª·¢»·¾³´î½¨
ǶÈëʽϵͳ¶¨Ò壻Linux½»²æ¿ª·¢»·¾³½éÉÜ£»
GNU½»²æ¹¤¾ßÁ´µÄʹÓã»ËÞÖ÷»úÓëPC»ú¼äµÄͨÐÅ£»
´®¿ÚͨÐÅ£»½»²æµ÷ÊÔ£»
ʵÑ飺
MinicomÅäÖÃʹÓã¬Windows³¬¼¶ÖÕ¶ËÅäÖÃʵÑ飻
NFS¹²ÏíÉèÖÃʵÑé
7
LinuxÏÂCÓïÑÔ¿ª·¢
ÎļþI/O²Ù×÷±à³Ì£»
Ïà¹ØÎĵµ£º
£¨L2CAPÐÒé¼ò½é£¬L2CAPÔÚBlueZÖеÄʵÏÖÒÔ¼°L2CAP±à³Ì½Ó¿Ú£©
Ò»£ºL2CAPÐÒé¼ò½é£º
Logical Link Control and Adaptation Protocol(L2CAP)
Âß¼Á¬½Ó¿ØÖƺÍÊÊÅäÐÒé (L2CAP) ΪÉϲãÐÒéÌá¹©ÃæÏòÁ¬½ÓºÍÎÞÁ¬½ÓµÄÊý¾Ý·þÎñ£¬²¢Ìṩ¶àÐÒ鹦ÄܺͷָîÖØ×é²Ù×÷¡£L2CAP ³äÐíÉϲãÐÒéºÍÓ¦ÓÃÈí¼þ´«ÊäºÍ½ÓÊÕ×î´ó³¤¶ÈΪ 64K µÄ L2CAP Ê ......
Service Discovery Protocol(SDP)ÌṩһÖÖÄÜÁ¦£¬ÈÃÓ¦ÓóÌÐòÓз½·¨·¢ÏÖÄÄÖÖ·þÎñ¿ÉÓÃÒÔ¼°ÕâÖÖ·þÎñµÄÌØÐÔ¡£
·þÎñ·¢ÏÖÐÒé(SDP»òBluetooth SDP)ÔÚÀ¶ÑÀÐÒéÕ»ÖжÔÀ¶ÑÀ»·¾³ÖеÄÓ¦ÓóÌÐòÓÐÌØÊâµÄº¬Ò⣬·¢ÏÖÄĸö·þÎñÊÇ¿ÉÓõĺÍÈ·¶¨ÕâЩ¿ÉÓ÷þÎñµÄÌØÕ÷¡£SDP¶¨ÒåÁËbluetooth client·¢ÏÖ¿ÉÓÃbluetooth server·þÎñºÍËüÃǵÄÌØÕ÷µÄ·½·¨¡£ ......
תÌù×Ô£ºhttp://alexanderlaw.blog.hexun.com/8968960_d.html
Æß¡¢ target Æ¥Åä
7.1 ipt_targetºÍipt_entry_target½á¹¹ ip_tables.h
ipt_targetºÍipt_match½á¹¹ÀàËÆ£º
struct ipt_target
{
struct list_head list;
& ......
Linux»·¾³ÏÂÅжϷþÎñÆ÷ÊÇ·ñÕý³£¹Ø»ú
2009-05-17 À´×Ô£ºZDNet ÊÕ²Ø
ϵͳÆô¶¯µÄʱºòÉú³ÉÒ»¸öÎļþ£¬Õý³£¹Ø»úµÄʱºòÔòɾ³ýÕâ¸öÎļþ£¬Ôò¿ÉÒÔ¸ù¾Ýϵͳ¿ª»úʱÓÐûÓÐÄǸöÎļþÀ´ÅжÏÊDz»ÊÇ·ÇÕý³£¹Ø»ú¡£
ϵͳÆô¶¯µÄʱºòÉú³ÉÒ»¸öÎļþ£¬Õý³£¹Ø»úµÄʱºòÔòɾ³ýÕâ¸öÎļþ£¬Ôò¿ÉÒÔ¸ù¾Ýϵͳ¿ª»úʱÓÐûÓÐÄǸöÎļþÀ´ÅÐ ......