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    SOLVED IMX307 i2c 读取的值都是0xff

    CS MIPI camera
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    • B
      beck last edited by

      Imx 307的摄像头,搭配jetson nano 4g的板子使用,能正常通过stream获取图像,但是通过bsp中的cs_mipi_i2c.sh读取所有的参数,返回的都是类似0xff的值,jetpack 4.2.2,安装的是4.6.2的bsp,供电使用5V供电(nano的引脚输出的5v电压)

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      • B
        beck last edited by

        微信截图_20230915101725.png

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        • veye_xumm
          veye_xumm @beck last edited by

          @beck
          你用的nano型号是什么?有两个mipi接口的吗? 那么i2c bus number应该是7或者8.
          摄像头默认的i2c addr应该是0x3b----如果你没有改过的话。

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          • B
            beck last edited by

            nano 是b01的,连个mipi接口。我没有改过i2c addr,但是上面的截图上看到的0x3b显示的是UU,而且我不指定-d,使用默认的0x3b地址,读取到的值也是0xff

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            • veye_xumm
              veye_xumm @beck last edited by

              @beck 执行一下
              dmesg | grep 307
              发上来我看看

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              • B
                beck @veye_xumm last edited by

                @veye_xumm 我先换个tx2 nx的板子试试

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                • B
                  beck @veye_xumm last edited by beck

                  @veye_xumm 我的tx2 nx上面的L4T的版本是,我发现下面这个链接里面下载的最新的release文件,但是里面没有对应的版本的Image,请问这个怎么 处理?https://github.com/veyeimaging/nvidia_jetson_veye_bsp/releases

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                  • B
                    beck last edited by

                    微信截图_20230915101725.png 微信截图_20230915145541.png

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                    • veye_xumm
                      veye_xumm @beck last edited by

                      @beck 不好意思,最新版本的我们现在还在开发中。尚未发布。现阶段只能先将tx2 nx退回一个版本了。

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                      • B
                        beck @veye_xumm last edited by

                        @veye_xumm 好的,我这使用tx2 nx,退回到了4.6.3就搞定了

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                        • veye_xumm
                          veye_xumm @beck last edited by

                          @beck 帅啊~

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