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;
HI_U32 i = 0;
struct fb_fix_screeninfo stFixInfo;
struct fb_var_screeninfo stVarInfo;
struct fb_bitfield stR32 = {10, 5, 0};
struct fb_bitfield stG32 = {5, 5, 0};
struct fb_bitfield stB32 = {0, 5, 0};
struct fb_bitfield stA32 = {15, 1, 0};
//HI_UNF_DISPLAY_SetEnable(HI_TRUE);
/* 1. open tde device */
HI_TDE2_Open();
/* 2. framebuffer operation */
s32Fd = open("/dev/fb0", O_RDWR);
if (s32Fd == -1)
{
printf("open frame buffer device error\n");
goto FB_OPEN_ERROR;
}
stVarInfo.xres_virtual = SCREEN_WIDTH;
stVarInfo.yres_virtual = SCREEN_HEIGHT*2;
stVarInfo.xres = SCREEN_WIDTH;
stVarInfo.yres = SCREEN_HEIGHT;
stVarInfo.activate = FB_ACTIVATE_NOW;
stVarInfo.bits_per_pixel = 16;
stVarInfo.xoffset = 0;
stVarInfo.yoffset = 0;
stVarInfo.red = stR32;
stVarInfo.green = stG32;
stVarInfo.blu
Ïà¹ØÎĵµ£º
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 ......
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·¨¡£ ......
µÚ2Õ Linux°²×°Á˽âÁËLinuxµÄÀúÊ·ºÍ·¢Õ¹¹ý³Ì£¬¶ÁÕß´ó¸ÅÒѾ¼±ÇеØÏëÒª°ÑLinux°²×°µ½×Ô¼ºµÄ¼ÆËã»úÉÏ¡£ÎÞËùη¾åµÄ¶ÁÕß¿ÉÄÜÒѾÔÚÔĶÁ±¾ÕÂ֮ǰ¾Í×ö¹ýÕâÑùµÄ³¢ÊÔ¡£ÎÞÂÛÕâЩ³¢ÊÔ×îÖÕÊdzɹ¦»¹ÊÇʧ°Ü£¬¾Í´ÓÕâÀ↑ʼLinuxÖ®Âðɣ¡ ......
1.ÊÖÍ·ÓÐÒ»±¾ºÃµÄÈëÃŽ̲Ä
ÂòÄÇЩһ¿ªÊ¼¾Í´Óϵͳ»ù±¾»ú¹¹»ù±¾ÃüÁʼ½²½âµÄÊé¼®£¬Ò»¿ªÊ¼ÄãҪѡ¶¨Ò»±¾ÈëÃŽ̲Ä,µ«ÊDz»ÄÜÖ»¿´Ò»±¾,ÒòΪÓÐЩÊéÉϽ²µÄ,¿ÉÄÜÊÇÁíÍâµÄÊéÉÏûÓеÄ.Òò´Ë,ÖØµãѡһ±¾½Ì²Ä¿´Íê.È»ºóÔÙ¿´Á½Èý±¾ÈëÃŽ̲Ää¯ÀÀÒ»ÏÂ.×÷Ϊ¶ÔµÚÒ»±¾ÊéµÄ֪ʶµÄÀ©³äºÍ¹®¹Ì¡£
2.¿´Íêϵͳ×Ô´øµÄÎĵµ
¾ø´ ......
ÕæÕý½Ó´¥linuxµ½ÏÖÔÚ½«½ü1ÄêÁË£¬ÓÉ×î³õµÄÃÅÍ⺺£¬µ½ÏÖÔڱȽϵÃÐÄÓ¦ÊÖµÄʹÓÃlinux£¬Íê³É¼¸ºõËùÓй¤×÷£¬°üÀ¨³ÌÐò¿ª·¢¡¢±¾µØÏµÍ³Î¬»¤¡¢½»Á÷¡¢ÓéÀֵȹ¦ÄÜ£¬ËãÊÇÊÕ»ñÆÄ·áÁË¡£
×ܽáÁËÒ»ÏÂ×Ô¼ºÓÃÆðÀ´¸Ð¾õ²»´íµÄlinux¹¤¾ß£º(²»·Ö˳Ðò£¬linux·¢ÐаæÓõÄÊÇfedora 10)
1. ±à¼Æ÷: vim (Ààuinxƽ̨ÉϹ«ÈÏ×î¾µäµÄ£¬Ã»»°Ëµ)
2. ³ÌÐò¿ª ......