• 移植gspcav120071224


    http://weijb0606.blog.163.com/blog/static/131286274201063145521107/

    Kernel version :2.6.22.6
    Crosstool      :arm-linux-gcc-3.4.5
    Board          :FS2410

    System         :Fedora 8
    Source         :gspcav1-20071224、servfox-R1_1_3、spcaview-20061208

    Author                   :http://viviwei.cublog.cn

    一、移植gspcav1-20071224

    gspcav1-20071224下载地址:http://www.slackware.com/~alien/slackbuilds/gspcav1/build/gspcav1-20071224.tar.gz
    FS2410开发板上移植的是Linux-2.6.22.6内核,USB及CS8900A均能工作,由于linux-2.6.22.6/drivers/usb 目录下没有 media 目录,故移植步骤如下:
    a)  在 linux-2.6.22.6/drivers/usb 目录下新建 media 目录,将gspcav1-20071224.tar.gz copy 到 media  下并解压。为了使media 编译进内核,需修改linux-2.6.22.6/drivers/usb 目录下的Kconfig、Makefile 文件。
    [linux@weijing usb]$ pwd
    /work/kernel/linux-2.6.22.6/drivers/usb
    [linux@weijing usb]$ vi  Kconfig
    添加
    source "drivers/usb/media/Kconfig"
    [linux@weijing usb]$ vi Makefile
    添加
    obj-$(CONFIG_USB_SPCA5XX)        += media/
    b)  为添加 gspcav1-20071224 编译选项,在 media 下新建 Kconfig、Makefile 文件。
    [linux@weijing media]$ pwd
    /work/kernel/linux-2.6.22.6/drivers/usb/media
    [linux@weijing media]$ vi Kconfig
    #
    # USB Multimedia device configuration
    #
    comment "USB Multimedia devices"
            depends on USB
    config USB_SPCA5XX
            tristate "USB SPCA5XX Sunplus/Vimicro/Sonix jpeg Cameras"
            depends on USB && VIDEO_DEV
            ---help---
              Say Y or M here if you want to use one of these webcams:
              The built-in microphone is enabled by selecting USB Audio support.
              This driver uses the Video For Linux API. You must say Y or M to
              "Video For Linux" (under Character Devices) to use this driver.
              Information on this API and pointers to "v4l" programs may be found
              at <Documentation/video4linux/API.html>.
              To compile this driver as a module, choose M here: the
              module will be called spca5xx.
    [linux@weijing media]$ vi Makefile
    #
    # Makefile for USB Media drivers
    #
    obj-$(CONFIG_USB_SPCA5XX)   += gspcav1-20071224/
    c)  修改 gspcav1-20071224 的 Makefile
    [linux@weijing gspcav1-20071224]$ pwd
    /work/kernel/linux-2.6.22.6/drivers/usb/media/gspcav1-20071224
    [linux@weijing gspcav1-20071224]$ vi Makefile
    gspca-objs := gspca_core.o decoder/gspcadecoder.o
    obj-$(CONFIG_USB_SPCA5XX) += gspca.o
    clean:
            rm -f *.[oas] .*.flags *.ko .*.cmd .*.d .*.tmp *.mod.c
            rm -rf .tmp_versions
    d)  编译内核

    (1)Multimedia devices  --->
             Video For Linux
    (2) USB support  --->
            Support for Host-side USB
           --- USB Host Controller Drivers   
            OHCI HCD support
    (3)--- USB Multimedia devices
         USB SPCA5XX Sunplus/Vimicro/Sonix jpeg Cameras

    此时,可能会提示 gspca_core.c 的一些轻微错误,稍作修改即可:
    //static const char gspca_version[] = GSPCA_VERSION;
    static const char gspca_version[] = "00.60.00";
    把新生成的 uImage 烧进开发板,重启,插上中星微芯片的摄像头,命令行出现
    # usb 1-1: new full speed USB device using s3c2410-ohci and address 2          
    usb 1-1: configuration #1 chosen from 1 choice                                 
    drivers/usb/media/gspcav1-20071224/gspca_core.c: USB GSPCA camera found.(ZC3XX)
    说明移植的驱动已经能识别设备,设备名所在路径 /dev/video0。
    二、servfox
        服务器端程序用是servfox,通过它可以在PC上看到开发板采集来的图像,从这里下载

    http://mxhaard.free.fr/spca50x/embedded/Servfox/servfox-R1_1_3.tar.gz
    下载,解压,进入其目录,发现没有一个makefile.arm,还有一个makefile.386,将makefile.arm改名为makefile,然后输入命令 make,生成 servfox 可实行文件,copy 到开发板运行之:

    # ./servfox -d /dev/video0 -g -s 640x480 -w 7070                               
    servfox version: 1.1.3 date: 11:12:2005 (C) mxhaard@magic.fr
    wrong spca5xx device                                                           
    Waiting .... for connection. CTrl_c to stop !!!!                               
    Got connection from 192.168.1.2
    三、spcaview
    客户端程序使用的是spcaview,下载地址为:

    http://mxhaard.free.fr/spca50x/Download/spcaview-20061208.tar.gz
    这个程序在PC 上运行,直接解压编译,生成 spcaview 可实行文件,运行如下:

    [root@weijing spcaview-20061208]# ./spcaview -g -w 192.168.1.17
    Spcaview version: 1.1.7 date: 06:11:2006 (C) mxhaard@magic.fr
    ERROR Set default port to 7070
    using Server 192.168.1.17 Port 7070
    bright 32768 contrast 32768

    附件2是在 Fedora 8 下看到的图像。

    参考:http://blog.chinaunix.net/u/26710/showart_387765.html

    http://blog.chinaunix.net/u/31/showart_692727.html

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  • 原文地址:https://www.cnblogs.com/leaven/p/1802935.html
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