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    SOLVED imx462寄存器值

    VEYE MIPI camera
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      canglin last edited by

      imx462黑白模组,默认设置的THSZERO、THSPREPARE的值是多少

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

        @canglin
        可以使用这个命令,随时读取。

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          canglin @veye_xumm last edited by

          @veye_xumm 您好,能否帮忙看看,因为我没有用linux,用不了脚本

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

            @canglin
            0x3448, 0x67
            0x3449, 0x00
            0x344a, 0x47
            0x344b, 0x00

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              canglin @veye_xumm last edited by

              @veye_xumm 好的,多谢,THSPREPARE这个我可以设置小点的值吗

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

                @canglin 这个你设置不了,除非你使用SDA模式,bypass掉我们mcu的控制。

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                  canglin @veye_xumm last edited by

                  @veye_xumm 590870fc-9b59-4a3e-8748-b0297bfc9599-image.png 你好,模组输出的时钟是多少,还有H-blanking 和 V-Blanking

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

                    @canglin
                    mipi信号的clock是数据速率的一半。
                    H-Blank和V-Blank跟具体的roi设置和帧率设置有关系。不过我觉得你fpga接收只要设置好最小可能值就行了。
                    H-blank:180
                    V-blank:25

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                      canglin @veye_xumm last edited by

                      @veye_xumm 好的,多谢,麻烦问下imx462模组有没有在CYUSB3065平台上调过

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

                        @canglin 我们没有调过。

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                          canglin @veye_xumm last edited by

                          @veye_xumm 您好,麻烦问下数据速率是891Mbps吗,另外默认输出是mipi 2lane吗

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

                            @canglin
                            第一个问题手册上有:
                            b66165e3-bb8b-4f99-9d08-cc28db0d2c7e-image.png
                            第二个,是的。

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                              canglin @veye_xumm last edited by

                              @veye_xumm 我用示波器量了下,mipi 的clk和数据波形
                              数据波形ab8c3b30-6e67-4845-bae2-d0bb1d976614-image.png

                              clk波形
                              1e62976b-059f-4888-bd32-33a5a4a896a7-image.png

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                                canglin @veye_xumm last edited by

                                @veye_xumm 97da0fbf-4504-4bd2-a881-ec3c908fc3f9-image.png

                                5d2bd481-c711-42aa-8d34-b0d62b0d89e3-image.png

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                                  canglin @veye_xumm last edited by

                                  @veye_xumm 帧率默认60fps吗

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

                                    @canglin 是的

                                    @canglin said in imx462寄存器值:

                                    帧率默认60fps吗

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                                      canglin @veye_xumm last edited by

                                      @veye_xumm 如果帧率配置成30fps,其他参数会修改吗

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                                        canglin @canglin last edited by

                                        @canglin 6e004faa-9682-456b-8a35-01db372b13a8-image.png 比如说这些参数

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

                                          @canglin
                                          降低帧率的话,V-Blanking会加大。比如默认是1080p@60fps,对应V-Total=V-Active+V-Blanking=1080+25;那么配置成30fps的时候,V-Total会配置为原来的2倍,增加的全部会加到V-Blanking中。

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                                            canglin @veye_xumm last edited by

                                            @veye_xumm 您好,麻烦问下,0x840寄存器读出来的数怎么推算csi_clk,我刚才读了下这个数,是(0x9878)38Mbps
                                            4cc80b54-9b22-440a-8b76-c5b6c2b829e0-image.png

                                            veye_xumm 1 Reply Last reply Reply Quote 0
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