Hi3516DV300的UVC功能测试

SDK: Hi3516CV500_SDK_V2.0.1.0

一、编译内核

使用Hi3516DV300的默认内核配置即可，不用进行修改，可通过menuconfig查看一下关键选项

$ cp arch/arm/configs/hi3516dv300_smp_defconfig .config
$ make ARCH=arm CROSS_COMPILE=arm-himix200-linux- uImage

二、编译模块

$ make ARCH=arm CROSS_COMPILE=arm-himix200-linux- modules

把libcomposite.ko和usb_f_uvc.ko拷贝到目标板上

三、编译uvc_app

进入uvc_app目录，make生成可执行文件，并拷贝到目标板上

sample/uvc_app$ make

四、测试

1、修改目标板/etc/profile，增加环境变量

export VID="0x12d1"
export PID="0x4321"
export MANUFACTURER="Huawei"
export PRODUCT="HiCamera"
export SERIALNUMBER="12345678"
export CamControl1=0xa
export CamControl2=0x0
export CamControl3=0x0
export ProcControl1=0x4f
export ProcControl2=0x14
export YUV="360p"
export MJPEG="360p 720p 1080p"
export H264="360p 720p 1080p "

2、加载模块

# insmod libcomposite.ko
# insmod usb_f_uvc.ko

3、把SDK提供的ConfigUVC.sh拷贝的目标板并运行

ConfigUVC.sh脚本：

#!/bin/shmount -t configfs none /sys/kernel/config/
cd /sys/kernel/config/usb_gadget/
mkdir camera
cd camera
echo $VID > idVendor
echo $PID > idProduct
mkdir strings/0x409
echo $MANUFACTURER > strings/0x409/manufacturer
echo $PRODUCT > strings/0x409/product
echo $SERIALNUMBER > strings/0x409/serialnumbermkdir functions/uvc.usb0
cd functions/uvc.usb0
mkdir control/header/h/
echo "0x0110" > control/header/h/bcdUVC
echo "48000000" > control/header/h/dwClockFrequency
ln -s control/header/h/ control/class/fs/
ln -s control/header/h/ control/class/ss/cat <<EOF> control/terminal/camera/default/bmControls
$CamControl1
$CamControl2
$CamControl3
EOFcat <<EOF> control/processing/default/bmControls
$ProcControl1
$ProcControl2
EOF#YUV
mkdir streaming/uncompressed/u/
for i in $YUV
doif [ $i = 360p ];thenmkdir streaming/uncompressed/u/360p/                                     echo "333333" > streaming/uncompressed/u/360p/dwFrameInterval           echo "333333" > streaming/uncompressed/u/360p/dwDefaultFrameInterval           echo "55296000" > streaming/uncompressed/u/360p/dwMaxBitRate            echo "460800" > streaming/uncompressed/u/360p/dwMaxVideoFrameBufferSize  echo "55296000" > streaming/uncompressed/u/360p/dwMinBitRate     echo "360" > streaming/uncompressed/u/360p/wHeight                       echo "640" > streaming/uncompressed/u/360p/wWidthelif [ $i = 720p ];thenmkdir streaming/uncompressed/u/720p/                                     echo "333333" > streaming/uncompressed/u/720p/dwFrameInterval           echo "333333" > streaming/uncompressed/u/720p/dwDefaultFrameInterval   echo "29491200" > streaming/uncompressed/u/720p/dwMaxBitRate             echo "1843200" > streaming/uncompressed/u/720p/dwMaxVideoFrameBufferSizeecho "29491200" > streaming/uncompressed/u/720p/dwMinBitRate             echo "720" > streaming/uncompressed/u/720p/wHeight               echo "1280" > streaming/uncompressed/u/720p/wWidthelif [ $i = 1080p ];thenmkdir streaming/uncompressed/u/1080p/                                    echo "333333" > streaming/uncompressed/u/1080p/dwFrameInterval           echo "333333" > streaming/uncompressed/u/1080p/dwDefaultFrameIntervalecho "29491200" > streaming/uncompressed/u/1080p/dwMaxBitRate            echo "4147200" > streaming/uncompressed/u/1080p/dwMaxVideoFrameBufferSizeecho "29491200" > streaming/uncompressed/u/1080p/dwMinBitRate          echo "1080" > streaming/uncompressed/u/1080p/wHeight              echo "1920" > streaming/uncompressed/u/1080p/wWidthelseecho "YUV $i is invalid!"fi
done#MJPEG
mkdir streaming/mjpeg/m/
for i in $MJPEG
doif [ $i = 360p ];thenmkdir streaming/mjpeg/m/360p/                                            echo "333333" > streaming/mjpeg/m/360p/dwFrameInterval                  echo "333333" > streaming/mjpeg/m/360p/dwDefaultFrameIntervalecho "10240000" > streaming/mjpeg/m/360p/dwMaxBitRate                   echo "460800" > streaming/mjpeg/m/360p/dwMaxVideoFrameBufferSize        echo "10240000" > streaming/mjpeg/m/360p/dwMinBitRate                   echo "360" > streaming/mjpeg/m/360p/wHeight                       echo "640" > streaming/mjpeg/m/360p/wWidth elif [ $i = 720p ];thenmkdir streaming/mjpeg/m/720p/                                       echo "333333" > streaming/mjpeg/m/720p/dwFrameInterval                   echo "333333" > streaming/mjpeg/m/720p/dwDefaultFrameIntervalecho "20480000" > streaming/mjpeg/m/720p/dwMaxBitRate                    echo "1843200" > streaming/mjpeg/m/720p/dwMaxVideoFrameBufferSize        echo "20480000" > streaming/mjpeg/m/720p/dwMinBitRate                    echo "720" > streaming/mjpeg/m/720p/wHeight                              echo "1280" > streaming/mjpeg/m/720p/wWidth elif [ $i = 1080p ];thenmkdir streaming/mjpeg/m/1080p/                                    echo "333333" > streaming/mjpeg/m/1080p/dwFrameInterval             echo "333333" > streaming/mjpeg/m/1080p/dwDefaultFrameIntervalecho "40960000" > streaming/mjpeg/m/1080p/dwMaxBitRate            echo "4147200" > streaming/mjpeg/m/1080p/dwMaxVideoFrameBufferSize       echo "40960000" > streaming/mjpeg/m/1080p/dwMinBitRate                   echo "1080" > streaming/mjpeg/m/1080p/wHeight                            echo "1920" > streaming/mjpeg/m/1080p/wWidth elif [ $i = 2160p ];thenmkdir streaming/mjpeg/m/2160p/                                     echo "333333" > streaming/mjpeg/m/2160p/dwFrameInterval            echo "333333" > streaming/mjpeg/m/2160p/dwDefaultFrameIntervalecho "61440000" > streaming/mjpeg/m/2160p/dwMaxBitRate             echo "16588800" > streaming/mjpeg/m/2160p/dwMaxVideoFrameBufferSizeecho "61440000" > streaming/mjpeg/m/2160p/dwMinBitRate          echo "2160" > streaming/mjpeg/m/2160p/wHeight                   echo "3840" > streaming/mjpeg/m/2160p/wWidthelseecho "MJPEG $i is invalid!"fi
done#FRAMEBASED
mkdir streaming/framebased/fb/
for i in $H264
doif [ $i = 360p ];thenmkdir streaming/framebased/fb/360p/                                      echo "333333" > streaming/framebased/fb/360p/dwFrameInterval     echo "333333" > streaming/framebased/fb/360p/dwDefaultFrameIntervalecho "8192000" > streaming/framebased/fb/360p/dwMaxBitRate               echo "8192000" > streaming/framebased/fb/360p/dwMinBitRate               echo "360" > streaming/framebased/fb/360p/wHeight                        echo "640" > streaming/framebased/fb/360p/wWidthelif [ $i = 720p ];thenmkdir streaming/framebased/fb/720p/                                      echo "333333" > streaming/framebased/fb/720p/dwFrameInterval             echo "333333" > streaming/framebased/fb/720p/dwDefaultFrameIntervalecho "10240000" > streaming/framebased/fb/720p/dwMaxBitRate            echo "10240000" > streaming/framebased/fb/720p/dwMinBitRate       echo "720" > streaming/framebased/fb/720p/wHeight                 echo "1280" > streaming/framebased/fb/720p/wWidth  elif [ $i = 1080p ];thenmkdir streaming/framebased/fb/1080p/                                echo "333333" > streaming/framebased/fb/1080p/dwFrameInterval            echo "333333" > streaming/framebased/fb/1080p/dwDefaultFrameIntervalecho "15360000" > streaming/framebased/fb/1080p/dwMaxBitRate            echo "15360000" > streaming/framebased/fb/1080p/dwMinBitRate            echo "1080" > streaming/framebased/fb/1080p/wHeight                     echo "1920" > streaming/framebased/fb/1080p/wWidthelif [ $i = 2160p ];thenmkdir streaming/framebased/fb/2160p/                               echo "333333" > streaming/framebased/fb/2160p/dwFrameInterval      echo "333333" > streaming/framebased/fb/2160p/dwDefaultFrameIntervalecho "30720000" > streaming/framebased/fb/2160p/dwMaxBitRate       echo "30720000" > streaming/framebased/fb/2160p/dwMinBitRate            echo "2160" > streaming/framebased/fb/2160p/wHeight                     echo "3840" > streaming/framebased/fb/2160p/wWidthelseecho "H264 $i is invalid!"fi
done
mkdir streaming/header/h/
ln -s streaming/uncompressed/u/ streaming/header/h/
ln -s streaming/mjpeg/m/ streaming/header/h/
ln -s streaming/framebased/fb/ streaming/header/h/                  ln -s streaming/header/h/ streaming/class/fs/
ln -s streaming/header/h/ streaming/class/hs/
ln -s streaming/header/h/ streaming/class/ss/                            #-Create and setup configuration
cd ../../
mkdir configs/c.1/
echo 500 > configs/c.1/MaxPower
echo 0xc0 > configs/c.1/bmAttributes
mkdir configs/c.1/strings/0x409/
echo "Config 1" > configs/c.1/strings/0x409/configuration
ln -s functions/uvc.usb0/ configs/c.1/
ls /sys/class/udc > UDC
echo "0x01" > bDeviceProtocol
echo "0x02" > bDeviceSubClass
echo "0xEF" > bDeviceClass

运行时会出现如下错误，暂时忽略

运行成功后在/dev下会出现video0设备

4、加载SDK模块

5、把USB线连接到电脑，运行uvc_app

运行成功后在电脑端可查看到摄像头设备

6、使用plotplayer打开摄像头

打开选项，选择视频格式为1080P

打开摄像头

目标板调试信息输出如下

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