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    SOLVED rk3588开发板接RAW-MIPI-SC132M无法获取图片

    Rockchip App camera
    mipi raw-mipi-sc132m rk3588
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    • J
      jihua @veye_xumm last edited by

      执行指令结果如下:
      873ce878-1078-4470-9adb-eb9d860562c4-企业微信截图_17326077017593.png
      硬件是有转接板的,量过了线序是对应的上的:
      e879d659-7b46-4beb-96cd-039196f1506c-e764d81e-9d1c-4ba5-b1ca-151e0dcfba18.jpg [图片]

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

        @jihua
        d32954e3-e00a-4855-b3c3-f762dd7f041e-image.png
        1处排线插歪了。
        2处的排线没有用处建议去掉,保证mipi信号的质量。

        不过感觉你这个的核心问题还是0bfbcbe0-cef6-42c7-848c-47fe84188a9e-image.png

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

          @veye_xumm
          读取相机的datarate返回是-1代表什么意思。
          c006446a-1d69-44e7-a9e7-7c242ec15f9d-企业微信截图_17327734029064.png

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

            @jihua 应该是这个版本的固件还没有支持这个寄存器。不影响正常出图和对接的。

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

              @veye_xumm
              内核打印的信息显示datarate是1.5G,用示波器测量不到时钟波形,只能测到数据波形,这个模块的实际datarate是多少的?现在抓图的时候,内核驱动报crc错误,怀疑是排线太长或者datarate对不上。
              5f8b98d4-7dd7-4905-8b58-1490b43c355b-dmesg内核打印信息.png

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

                @jihua
                按照1.5G配置是没问题的,我们在多个rk3588上面都调通的。
                你用的排线是多长的?可否拍个照片我看看。

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

                  @veye_xumm
                  排线长度有26厘米长
                  d573eebf-ed60-4955-872c-b7609ef8ecc0-ad04fd8f-6c28-4da6-a785-2304d7f0e416.jpg [图片]

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

                    @jihua 线长也没有很夸张。你测测摄像头这端,入口地方的3.3V供电,实际电压是多少?

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

                      @veye_xumm
                      VCC3V3 测量到是3.3V,MIPI_CK_N 时钟是固定的吗?时钟是多少的?设置帧率后这个时钟会变吗?

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

                        @jihua 相机是固定的1188M,3588那头设置为1500M是没问题的。
                        你把现在报的错发给我看看。

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

                          @veye_xumm
                          获取一张图片报错
                          615c996e-a120-4b35-b746-5a72e174d46c-企业微信截图_17327790824880.png

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

                            @jihua 我们在rk平台没有遇到过这个问题。看ecc2这个错误提示的话,像是mipi信号劣化了。

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