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    Scheduled Pinned Locked Moved Pi CM5
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    • W
      wuming
      last edited by wuming

      使用一下代码,不能够打开mx219摄像头:a8411b3b-ccc6-4e99-9d5a-6619550a3ed7-c73827008f721de0edfd9b292ff34b1.jpg
      import cv2
      cap=cv2.VideoCapture(0)
      while True:
      ret,frame=cap.read()
      cv2.imshow('frame',frame)
      if cv2.waitKey(1)&0xFF==ord('q'):
      break
      cap.release()
      cv2.destroyAllWindows()

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      • G
        george @wuming
        last edited by george

        @wuming 内核同步到最新,确认系统可以生成video11节点。mipi摄像头默认的设备节点是video11
        然后运行如下命令更新ISP库:

        sudo apt-get update
        sudo apt-get dist-upgrade
        
        W 2 Replies Last reply Reply Quote 0
        • W
          wuming @george
          last edited by

          @george 0d03073f-02f6-4bfa-9835-73cbb1722f2a-image.png

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          • W
            wuming @george
            last edited by

            @george 7cda6e76-b1a8-48e1-942b-cd3446f3f015-image.png

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            • G
              george @wuming
              last edited by

              @wuming 先使用QV4L2打开video11节点,系统默认已经安装。

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              • G
                george @george
                last edited by

                @george 如下代码测试正常:

                import cv2 as cv2
                cap = cv2.VideoCapture(11)
                while True:
                    success, img = cap.read()
                    cv2.imshow("Video", img)
                    if cv2.waitKey(1) & 0xFF == ord('q'):
                        break
                cap.release()
                cv2.destroyAllWindows()
                
                W 1 Reply Last reply Reply Quote 0
                • W
                  wuming @george
                  last edited by wuming

                  @george QV4L2打开摄像头命令格式是怎样的?

                  1 Reply Last reply Reply Quote 0
                  • W
                    wuming @george
                    last edited by wuming

                    @george ec8f905d-ae13-4ed4-99a4-c6f2255e1fcd-image.png 打开了设备,但是start capturing,然后没有,然后。感觉这个板子的可靠性、兼容性不佳,有上当的感觉f8479f15-157d-4581-a7b0-70b60a11d2c8-image.png

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                    • G
                      george @wuming
                      last edited by

                      @wuming dmesg打印一份传上来,这种情况是没有识别到摄像头模组。

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                      • W
                        wuming @george
                        last edited by wuming

                        @george b963e0e8-e66c-4336-bf5a-c23ceee38e1e-image.png
                        请看看这个是怎么回事情

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                        • G
                          george @wuming
                          last edited by

                          @wuming 确认DTS文件有如下配置,如果没有就更新代码:
                          d0f1439f-ed32-49cd-b6fa-dfbc2351335a-image.png

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                          • G
                            george @jugg
                            last edited by

                            @jugg 可以提交一下如下log信息,看IMX219有没有正常识别到。

                            coolpi@Ubuntu:~$ dmesg |grep imx219
                            [   10.459055] imx219 4-0010: driver version: 00.01.02
                            [   10.459070] imx219 4-0010: Failed to get reset-gpios
                            [   10.459077] imx219 4-0010: Failed to get power-gpios
                            [   10.459084] imx219 4-0010: Failed to get pwdn-gpios
                            [   10.459087] imx219 4-0010: imx219_video_probe
                            [   10.459089] imx219 4-0010: imx219 power on
                            [   10.550251] imx219 4-0010: xvclk matched OK
                            [   10.583962] imx219 4-0010: Model ID 0x0219, Lot ID 0x798a91, Chip ID 0x06cf
                            [   10.583964] imx219 4-0010: imx219_ctrls_init
                            [   10.677433] rockchip-csi2-dphy csi2-dphy0: dphy0 matches m01_f_imx219 4-0010:bus type 5
                            [   13.246834] imx219 4-0010: imx219 power on
                            [   13.338229] imx219 4-0010: xvclk matched OK
                            [   13.380673] imx219 4-0010: imx219 power off
                            [   14.004893] imx219 4-0010: imx219 power on
                            [   14.096951] imx219 4-0010: xvclk matched OK
                            [   14.127786] imx219 4-0010: imx219 power off
                            [   14.162705] imx219 4-0010: imx219 power on
                            [   14.244563] imx219 4-0010: xvclk matched OK
                            [   59.475452] imx219 4-0010: imx219 stream  000
                            [   59.479866] imx219 4-0010: imx219 stream  001
                            [   59.640823] imx219 4-0010: imx219 stream  002
                            [   75.813070] imx219 4-0010: imx219 stream  000
                            
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                            • W
                              wuming @george
                              last edited by

                              @george 这些信息表示imx219打开了么?
                              96622823-b03a-4a47-9265-5dc5d5437728-image.png

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                              • G
                                george @wuming
                                last edited by

                                @wuming 这个IMX219是有打开的。上层直接用QV4L2打开video11节点就好了。

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                                • W
                                  wuming @george
                                  last edited by wuming

                                  @george 可是它就是一个绿屏,线我买了两条,摄像头买了两个,都不行。我想u盘刷系统不行,连电脑刷机也不行,这个板子搞够了。
                                  a03ab97d-6616-41a0-b31f-2c5f0d03976c-image.png

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                                  • G
                                    george @wuming
                                    last edited by george

                                    @wuming 上电开机,快速按三次pwr按键机器进入MSC模式,就可以使用etcher刷系统了。
                                    4c77f4c3-6ac2-4fc7-a690-a15bee86b476-image.png

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                                    • G
                                      george @wuming
                                      last edited by

                                      @wuming 今天我会上传一个最新的镜像文件,默认支持IMX219单摄像头,你烧录以后再同步测试。先确认机器是否能正常进入MSC模式?

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                                      • G
                                        george @wuming
                                        last edited by

                                        @wuming 下图如下固件测试,已经集成IMX219单摄的驱动和基础配置。
                                        e294f46d-656e-4bd0-8c3a-ba5ab0612170-image.png

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                                        • W
                                          wuming @george
                                          last edited by

                                          @george 问题就是无论怎么按pwr键,机器都不能进入MSC模式,用U盘也不能启动,末法子了,准备低价转让。

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                                          • G
                                            george @wuming
                                            last edited by

                                            @wuming 按照如下方法操作,格式化EMMC
                                            1.按住中间的loader按键同时短按复位按键,机器就会进入maskrom模式,如下图所示:
                                            7438b967-6270-4ade-a8b7-169d2116e3ce-image.png
                                            2.选择loader文件,选择EMMC,点击download,等待完成以后点击Eraseall。即可完成EMMC擦除。
                                            b965b96b-f544-4f6b-b3a2-290280afc612-image.png
                                            3.短按复位按键,快速按三次pwr按键,机器就会进入MSC模式
                                            bd94ab8d-f5bb-4667-98ff-c98949a7cdc0-image.png
                                            4.使用etcher选择固件和MSC设备烧录即可。
                                            7eae8b04-f7fd-4106-a079-f72735468737-image.png

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