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OpenDuckMini快速入门教程-测试相机

文章说明

  • 本教程主要说明如何进行测试相机的操作
  • 欢迎加入我们的openduckmini交流群，微信扫描右侧二维码立即进群交流

相关设备

示例图片

前提准备

  • 本次教程中使用的相机为picamera v2.1搭配一条22pin转15pin的相机排线
  • 相机连线参照图

请输入图片描述

操作步骤

  • 接线后通电，检测相机是否存在
$ libcamera-hello
[0:08:31.340667824] [3617]  INFO Camera camera_manager.cpp:326 libcamera v0.5.0+59-d83ff0a4
[0:08:31.408340272] [3620]  WARN RPiSdn sdn.cpp:40 Using legacy SDN tuning - please consider moving SDN inside rpi.denoise
[0:08:31.414027929] [3620]  INFO RPI vc4.cpp:447 Registered camera /base/soc/i2c0mux/i2c@1/imx219@10 to Unicam device /dev/media2 and ISP device /dev/media0
[0:08:31.414175741] [3620]  INFO RPI pipeline_base.cpp:1121 Using configuration file '/usr/share/libcamera/pipeline/rpi/vc4/rpi_apps.yaml'
Preview window unavailable
Mode selection for 1640:1232:12:P
    SRGGB10_CSI2P,640x480/0 - Score: 4504.81
    SRGGB10_CSI2P,1640x1232/0 - Score: 1000
    SRGGB10_CSI2P,1920x1080/0 - Score: 1541.48
    SRGGB10_CSI2P,3280x2464/0 - Score: 1718
    SRGGB8,640x480/0 - Score: 5504.81
    SRGGB8,1640x1232/0 - Score: 2000
    SRGGB8,1920x1080/0 - Score: 2541.48
    SRGGB8,3280x2464/0 - Score: 2718
[0:08:31.418420585] [3617]  INFO Camera camera.cpp:1205 configuring streams: (0) 1640x1232-YUV420 (1) 1640x1232-SBGGR10_CSI2P
[0:08:31.419223970] [3620]  INFO RPI vc4.cpp:622 Sensor: /base/soc/i2c0mux/i2c@1/imx219@10 - Selected sensor format: 1640x1232-SBGGR10_1X10 - Selected unicam format: 1640x1232-pBAA
#0 (0.00 fps) exp 26956.00 ag 2.00 dg 1.03
#1 (30.01 fps) exp 28128.00 ag 2.00 dg 1.00
#2 (30.01 fps) exp 27901.00 ag 2.00 dg 1.01
#3 (30.00 fps) exp 27788.00 ag 2.00 dg 1.01
#4 (30.01 fps) exp 28090.00 ag 2.00 dg 1.00
#5 (30.00 fps) exp 27939.00 ag 2.00 dg 1.00
  • 测试拍照，且保存名为test.jpg的文件到用户目录
$ libcamera-still -o test.jpg
[0:19:23.470726951] [7445]  INFO Camera camera_manager.cpp:326 libcamera v0.5.0+59-d83ff0a4
[0:19:23.537755128] [7448]  WARN RPiSdn sdn.cpp:40 Using legacy SDN tuning - please consider moving SDN inside rpi.denoise
[0:19:23.543350232] [7448]  INFO RPI vc4.cpp:447 Registered camera /base/soc/i2c0mux/i2c@1/imx219@10 to Unicam device /dev/media2 and ISP device /dev/media0
[0:19:23.543576013] [7448]  INFO RPI pipeline_base.cpp:1121 Using configuration file '/usr/share/libcamera/pipeline/rpi/vc4/rpi_apps.yaml'
Preview window unavailable
Mode selection for 1640:1232:12:P
    SRGGB10_CSI2P,640x480/0 - Score: 4504.81
    SRGGB10_CSI2P,1640x1232/0 - Score: 1000
    SRGGB10_CSI2P,1920x1080/0 - Score: 1541.48
    SRGGB10_CSI2P,3280x2464/0 - Score: 1718
    SRGGB8,640x480/0 - Score: 5504.81
    SRGGB8,1640x1232/0 - Score: 2000
    SRGGB8,1920x1080/0 - Score: 2541.48
    SRGGB8,3280x2464/0 - Score: 2718
[0:19:23.548796586] [7445]  INFO Camera camera.cpp:1205 configuring streams: (0) 1640x1232-YUV420 (1) 1640x1232-SBGGR10_CSI2P
[0:19:23.549967680] [7448]  INFO RPI vc4.cpp:622 Sensor: /base/soc/i2c0mux/i2c@1/imx219@10 - Selected sensor format: 1640x1232-SBGGR10_1X10 - Selected unicam format: 1640x1232-pBAA
#0 (0.00 fps) exp 29999.00 ag 3.71 dg 1.03
#1 (30.01 fps) exp 33251.00 ag 4.27 dg 1.00
#2 (30.00 fps) exp 29999.00 ag 3.76 dg 1.01
#3 (30.00 fps) exp 29999.00 ag 3.82 dg 1.00
#4 (30.01 fps) exp 29999.00 ag 3.76 dg 1.01
#5 (30.01 fps) exp 29999.00 ag 3.71 dg 1.01
#6 (30.01 fps) exp 29999.00 ag 3.71 dg 1.01
#7 (30.01 fps) exp 29999.00 ag 3.71 dg 1.01
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#13 (30.01 fps) exp 29999.00 ag 3.71 dg 1.01
#14 (30.01 fps) exp 29999.00 ag 3.71 dg 1.01
#15 (30.00 fps) exp 29999.00 ag 3.71 dg 1.01
#16 (30.01 fps) exp 29999.00 ag 3.66 dg 1.01
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#57 (30.01 fps) exp 29999.00 ag 3.66 dg 1.01
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#64 (30.01 fps) exp 29999.00 ag 3.66 dg 1.01
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#74 (30.01 fps) exp 29999.00 ag 3.66 dg 1.01
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#104 (30.01 fps) exp 29999.00 ag 3.61 dg 1.01
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#106 (30.01 fps) exp 29999.00 ag 3.61 dg 1.01
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#108 (30.00 fps) exp 29999.00 ag 3.56 dg 1.01
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#141 (30.00 fps) exp 29999.00 ag 3.56 dg 1.01
#142 (30.01 fps) exp 29999.00 ag 3.56 dg 1.01
Mode selection for 3280:2464:12:P
    SRGGB10_CSI2P,640x480/0 - Score: 10248.8
    SRGGB10_CSI2P,1640x1232/0 - Score: 6744
    SRGGB10_CSI2P,1920x1080/0 - Score: 6655.48
    SRGGB10_CSI2P,3280x2464/0 - Score: 1000
    SRGGB8,640x480/0 - Score: 11248.8
    SRGGB8,1640x1232/0 - Score: 7744
    SRGGB8,1920x1080/0 - Score: 7655.48
    SRGGB8,3280x2464/0 - Score: 2000
[0:19:28.684291272] [7445]  INFO Camera camera.cpp:1205 configuring streams: (0) 3280x2464-YUV420 (1) 3280x2464-SBGGR10_CSI2P
[0:19:28.692565230] [7448]  INFO RPI vc4.cpp:622 Sensor: /base/soc/i2c0mux/i2c@1/imx219@10 - Selected sensor format: 3280x2464-SBGGR10_1X10 - Selected unicam format: 3280x2464-pBAA
Still capture image received

请输入图片描述

  • 但是由于在鸭子上的摄像头是逆时针旋转90度安装的，所以拍出来的相片是歪的
  • 此时可以做一个简单旋转相片转换
  • 先安装图像处理工具
$ sudo apt install imagemagick
  • 通过命令行操作将图片顺时针旋转90度
$ convert test.jpg -rotate 90 test_rotated.jpg
  • 新的test_rotated.jpg会同样生成到用户目录下

请输入图片描述

  • 同样可使用鸭子源码自带的测试脚本
# 需要安装对应库
$ sudo apt install python3-picamzero
# 运行脚本测试
$ cd  ~/open_duck_mini_ws/Open_Duck_Mini_Runtime/scripts 
$ python python cam_test.py
  • 正常情况下会在用户目录下生成一张aoe.jpg图片，如果没有生成，检查脚本中的用户目录地址是否有效

演示视频

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