tq2440linux2.6.30.4网眼2000（驱动ov511）安装及测试详解（注意：使用相同的编译器编译内核及应用程序）HYPERLINK"http://www.pudn.com/downloads337/sourcecode/unix_linux/detail1475644.html"\t"_blank"源文件包下载http://www.pudn.com/downloads337/sourcecode/unix_linux/detail1475644.html1、安装驱动ov511DeviceDrivers-->Multimediadevices-->{[*]EnbleVideoForLinuxAPI1(DEPRECATED)；[*]Videocaptureadapters-->}V4LUSBdevices--><*>USB0V511Camerasupport驱动安装成功时，串口输出如下信息以下为测试驱动的程序2、修改main.c源文件（文章后面提供源文件链接）1)、修改视频格式，及初始化查找表2）、在文件顶部添加查找表（加快屏幕刷新速度）3）、添加像素比较函数和颜色空间转换函数4）、修改fb_draw16bpp()3、编译并将可执行文件v4lcap下载到板子里可以用rz串口下载或U盘拷贝，下面演示rz串口下载1）输入rz回车选择v4lcap点击Add-->ok（SecureCRT为串口软件，可网上下载）2）、改变权限chmod777v4lcap运行./v4lcap4、最终效果图上传的全部源文件正在审核中，HYPERLINK"http://www.pudn.com/downloads337/sourcecode/unix_linux/detail1475644.html"\t"_blank"源码包/**main()*(c)2005-2010threewater<HYPERLINK"mailto:threewater@up-tech.com"\t"_blank"threewater@up-tech.com>**/#include<stdio.h>#include<stdlib.h>#include<unistd.h>#include<math.h>#include<errno.h>#include<fcntl.h>#include<string.h>#include<signal.h>#include<pthread.h>#include<sys/types.h>#include<sys/time.h>#include<sys/ioctl.h>#include<sys/stat.h>#include<sys/mman.h>#include"fb.h"#include"videodev.h"#include"grab-ng.h"#define_GNU_SOURCE#include<getopt.h>//#defineBMP"qgx/image%d.c"structcapture_info{intwidth,height;chardevice[256];};structfb_dev{//forframebufferintfb;void*fb_mem;//framebuffermmapintfb_width,fb_height,fb_line_len,fb_size;intfb_bpp;//srcmustbeRGB24formatvoid(*fb_draw)(structfb_dev*fbdev,void*src,intx,inty,intwidth,intheight);};staticchar*default_framebuffer="/dev/fb/0";staticstructcapture_infocapinfo={320,240,"/dev/v4l/video0"};staticstructfb_devfbdev;staticchar*fb_dev_name=NULL;#defineNUM_CAPBUFFER32longYR[256],YG[256],YB[256],UR[256],UG[256],UB[256],VR[256],VG[256],VB[256];voidyuv420_bgr565_coeff_init(){inti;for(i=0;i<256;i++){YB[i]=(i-242.944)*(1<<16);UB[i]=0.001*i*(1<<16);VB[i]=1.772*i*(1<<16);YG[i]=(i+119.446)*(1<<16);UG[i]=-0.7141*i*(1<<16);VG[i]=-0.3441*i