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    V853用一路dvp+两目mipi,三路raw数据同时出图失败

    V853系列-AI视觉
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    • zznzzn
      zznzzn LV 5 last edited by

      一路dvp和两路mipi数据,各自单独开启都正常,但是同时开启三路会出图失败time out

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      • livpo
        livpo LV 5 last edited by

        tdm rx和tx fifo深度需要均分给每个通路,需要rx和tx fifo深度4均分给三目目摄像头数据

        下面解决办法2选1:

        1.执行内核m kernel_menuconfig选中CONFIG_WDR,表示tdm rx和tx fifo深度4均分;

        2.用户调用接口VIDIOC_SET_TDM_DEPTH设置fifo 4均分,如下:

        unsigned int max_ch = 4;
        if (-1 == ioctl(fd, VIDIOC_SET_TDM_DEPTH, &max_ch)) {
        printf(“VIDIOC_SET_TDM_DEPTH error!\n”);
        return -1;
        

        }

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