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15.2 µÇ¼Áíһ̨Linux·þÎñÆ÷

15.2  µÇ¼Áíһ̨Linux·þÎñÆ÷
×÷Ϊһ¿î·þÎñÆ÷²Ù×÷ϵͳ£¬Linux³ä·Ö¿¼ÂÇÁËÔ¶³ÌµÇ¼µÄÎÊÌâ¡£ÎÞÂÛÊÇ´ÓLinux¡¢Windows»¹ÊÇÆäËûһЩ²Ù×÷ϵͳµÇ¼µ½Linux¶¼ÊǷdz£·½±ãµÄ¡£Ö§³Ö¶à¸öÓû§Í¬Ê±µÇ¼¶ÔÓÚ·þÎñÆ÷¶øÑԷdz£ÖØÒª——ÕâÕýÊÇLinuxÉó¤µÄ¡£
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ʵսLinux Bluetooth±à³Ì£¨Èý£© HCI²ã±à³Ì

1. HCI²ãЭÒé¸ÅÊö£º
HCIÌṩһÌ×ͳһµÄ·½·¨À´·ÃÎÊBluetoothµ×²ã¡£ÈçͼËùʾ£º
´ÓͼÉÏ¿ÉÒÔ¿´³ö£¬Host Controller Interface(HCI)  ¾ÍÊÇÓÃÀ´¹µÍ¨HostºÍModule¡£Hostͨ³£¾ÍÊÇPC£¬ ModuleÔòÊÇÒÔ¸÷ÖÖÎïÀíÁ¬½ÓÐÎʽ£¨USB,serial,pc-cardµÈ£©Á¬½Óµ½PCÉϵÄbluetooth Dongle¡£
ÔÚHostÕâÒ»¶Ë£ºapplication,SDP,L2capµÈЭÒé ......

ʵսLinux Bluetooth±à³Ì£¨ËÄ£© L2CAP²ã±à³Ì

£¨L2CAPЭÒé¼ò½é£¬L2CAPÔÚBlueZÖеÄʵÏÖÒÔ¼°L2CAP±à³Ì½Ó¿Ú£©
Ò»£ºL2CAPЭÒé¼ò½é£º
Logical Link Control and Adaptation Protocol(L2CAP)
Âß¼­Á¬½Ó¿ØÖƺÍÊÊÅäЭÒé (L2CAP) ΪÉϲãЭÒéÌá¹©ÃæÏòÁ¬½ÓºÍÎÞÁ¬½ÓµÄÊý¾Ý·þÎñ£¬²¢Ìṩ¶àЭÒ鹦ÄܺͷָîÖØ×é²Ù×÷¡£L2CAP ³äÐíÉϲãЭÒéºÍÓ¦ÓÃÈí¼þ´«ÊäºÍ½ÓÊÕ×î´ó³¤¶ÈΪ 64K µÄ L2CAP Ê ......

Linux\UnixÐÔÄܲâÊÔ

×î½üÔÚ×öÔÆ¼ÆË㣬½Ó´¥µ½Ò»Ð©ÐéÄ⻯µÄ¼¼Êõ£¬ËùÒÔÏë²âÊÔÒ»ÏÂÐéÄâ»úµÄÐÔÄܵ½µ×ÈçºÎ£¬ÕâÀï¸ø³öÒ»¸ö·½·¨£¬ÀûÓÃUnixBenchÀ´Îª·þÎñÆ÷×öÐÔÄܲâÊÔ¡£ 1: wget http://byte-unixbench.googlecode.com/files/unixbench-5.1.2.tar.gz
2: tar -xzvf unixbench-5.1.2.tar.gz
3: cd unixbench-5.1.2.tar.gz
4: ......

Linux °²×° Mysql

 
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¡¡¡¡ÏëʹÓÃLinuxÒѾ­ºÜ³¤Ê±¼äÁË£¬ÓÉÓÚûÓÐÓ²ÐÔÈÎÎñһֱҲûÓÐϵͳѧϰ£¬½üÈÕÓÉÓÚ¹¤×÷ÐèÒª±ØÐëʹÓÃLinuxϵÄMySQL¡£±¾ÒÔΪÓÐWindowsÏÂʹÓÃSQL ServerµÄ¾­Ñ飬¾õµÃÔÚLinuxϰ²×°MySqlÓ¦¸ÃÊÇÒ×Èç·´ÕÆµÄÊ£¬¿ÉÔÚÕæÕý°²×°ºÍʹÓÃMySQLʱ×ßÁ˺ܶàÍä·£¬Óö¼ûºÜ¶àÎÊÌ⣬±Ï¾¹Linux ºÍWindows±¾Éí¾ÍÓкܴóÇø±ð¡£ ......

linux framebuffer ѧϰ±Ê¼Ç¶þ£¨³ÌÐòÓÃÀý£©

1 ³ÌÐòÁ÷³Ìͼ¡£
2  sampleÀý×Ó
HI_S32 TDE_DrawGraphicSample()
{
    HI_U32 u32Size;
    HI_S32 s32Fd;
    HI_U32 u32Times;
    HI_U8* pu8Screen;
    HI_U32 u32PhyAddr;
    HI_S32 s32Ret = -1;
  ......
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