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    UNSOLVED MV-MIPI-IMX264M+CM4+CM4-NANO-A 需要怎么配置?

    Raspberry Pi App Software
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    • veye_xumm
      veye_xumm @maifengW2023 last edited by

      @maifengw2023
      CM4-NANO-A这个板子,好像是只连出了一个CSI接口。
      需要判断一下引出的是哪个csi口。
      你可以用

      i2cdetect -y - 10
      i2cdetect -y - 0
      

      看一下哪个能找到0x3b?

      M 3 Replies Last reply Reply Quote 0
      • M
        maifengW2023 @veye_xumm last edited by

        @veye_xumm
        68bbf8e6-e34a-4544-8cc8-b94954025c72-image.png

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        • M
          maifengW2023 @veye_xumm last edited by

          @veye_xumm
          我现在又重新安装了系统,添加驱动后,不认摄像头了;
          板子跟摄像头不动,用老卡上的系统能连上摄像头
          c7e9f05c-69aa-47e7-952f-5564a21dd692-image.png

          veye_xumm 1 Reply Last reply Reply Quote 0
          • veye_xumm
            veye_xumm @maifengW2023 last edited by

            @maifengw2023
            你的新卡和老卡有啥区别?
            新卡上,执行dmesg | grep mvcam看看输出如何?

            M 1 Reply Last reply Reply Quote 0
            • M
              maifengW2023 @veye_xumm last edited by

              @veye_xumm
              nano-a 不支持 bullseye ;说这个有bug;
              支持buster系统,所以我又在新sd卡上灌了5.10.103-v7l系统,安装驱动后,不认摄像头,就是上一楼的提示,我把老sd卡换上去,树莓派跟摄像头都没动,摄像头是正常的

              1 Reply Last reply Reply Quote 0
              • M
                maifengW2023 @veye_xumm last edited by

                @veye_xumm
                e9c9af60-b209-470e-9fe6-66b3cf34c438-image.png

                veye_xumm 1 Reply Last reply Reply Quote 0
                • veye_xumm
                  veye_xumm @maifengW2023 last edited by

                  @maifengw2023
                  你这个驱动的版本有点老了,不识别264这个型号。因为我们研发开发完成一个新的camera之后,往往只在较新的OS版本上编译出ko。
                  最好结合代码重新编译一个ko出来。

                  M 1 Reply Last reply Reply Quote 0
                  • M
                    maifengW2023 @veye_xumm last edited by

                    @veye_xumm
                    重新编译驱动吗?

                    veye_xumm 1 Reply Last reply Reply Quote 0
                    • veye_xumm
                      veye_xumm @maifengW2023 last edited by

                      @maifengw2023 是的

                      M 2 Replies Last reply Reply Quote 0
                      • M
                        maifengW2023 @veye_xumm last edited by

                        @veye_xumm
                        我先试一下吧,不行的话,还需要你们帮忙编译一下驱动

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                        • M
                          maifengW2023 @veye_xumm last edited by

                          @veye_xumm
                          d2195d1a-8e0a-47f6-b895-207ebc7d7ec8-image.png

                          veye_xumm 1 Reply Last reply Reply Quote 0
                          • veye_xumm
                            veye_xumm @maifengW2023 last edited by

                            @maifengw2023
                            看起来是kernel版本中.remove函数原型定义的差异导致的。你用这个函数替代掉原代码中的对应函数。

                            static int mvcam_remove(struct i2c_client *client)
                            {
                            	struct v4l2_subdev *sd = i2c_get_clientdata(client);
                            	struct mvcam *mvcam = to_mvcam(sd);
                            
                            	v4l2_async_unregister_subdev(sd);
                            	media_entity_cleanup(&sd->entity);
                            	mvcam_free_controls(mvcam);
                            
                            	mutex_destroy(&mvcam->mutex);
                                return 0;
                            }
                            
                            M 2 Replies Last reply Reply Quote 0
                            • M
                              maifengW2023 @veye_xumm last edited by

                              @veye_xumm
                              好的,我试试

                              1 Reply Last reply Reply Quote 0
                              • M
                                maifengW2023 @veye_xumm last edited by

                                @veye_xumm
                                在5.10.103-v7l+上安装好了驱动,在base-a上跟4b上都能正常调用了,但是换成nano-a扩展板,就连接不上摄像头
                                e5a9e43b-2972-4a87-967b-5894a0c27542-8fdf1f870d81c400a7baa41e212270b.png

                                veye_xumm 1 Reply Last reply Reply Quote 0
                                • veye_xumm
                                  veye_xumm @maifengW2023 last edited by

                                  @maifengw2023
                                  执行一下
                                  dmesg | grep mvcam

                                  M 1 Reply Last reply Reply Quote 0
                                  • M
                                    maifengW2023 @veye_xumm last edited by

                                    @veye_xumm said in MV-MIPI-IMX264M+CM4+CM4-NANO-A 需要怎么配置?:

                                    dmesg | grep mvcam

                                    223389da-0ebd-4a7d-aceb-c0606155bb6a-image.png

                                    veye_xumm 1 Reply Last reply Reply Quote 0
                                    • veye_xumm
                                      veye_xumm @maifengW2023 last edited by

                                      @maifengw2023
                                      现在i2c0和i2c10都检测不到摄像头,那么有两种可能:

                                      1. 没有给摄像头供电。—— 这种加上供电即可解决。
                                      2. 微雪的这个底板,在i2c硬件方面跟树莓派官方的不同。你需要根据微雪这个板子,改一下设备树文件dts,编译成dtb才可以。
                                      M 1 Reply Last reply Reply Quote 0
                                      • M
                                        maifengW2023 @veye_xumm last edited by

                                        @veye_xumm
                                        供电我量了一下J3连接器的1、2脚;电压是4.98V;
                                        设备树文件dts怎样修改有没有教程或说明,我好参考一下;我问了微雪的技术他们连imx219摄像头没有问题

                                        veye_xumm 1 Reply Last reply Reply Quote 0
                                        • veye_xumm
                                          veye_xumm @maifengW2023 last edited by

                                          @maifengw2023
                                          这东西没有教程了,就是一点点源码。你可以参考一下微雪的imx219在这个板子上的dts。

                                          M 1 Reply Last reply Reply Quote 0
                                          • M
                                            maifengW2023 @veye_xumm last edited by maifengW2023

                                            @veye_xumm
                                            按你们文档上这个,下载下来可以用吗?
                                            d2be52fd-a041-4e3f-824f-69a0448c796e-image.png

                                            还有这个双摄像头这个
                                            11dceaf6-396d-4463-be71-d461ba76963a-image.png

                                            veye_xumm 1 Reply Last reply Reply Quote 0
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