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鸿鸥派【Hi3519DV500】双摄sc450ai+10.1显示屏点不亮
悬赏金¥ 25
已结题
步骤
1. 连线
2. 烧录鸿鸥派出厂SDK
3. 修改/etc/init.d/S90autorun 改为/opt/ko/load3519dv500 -i -sensor0 sc450ai -sensor1 sc450ai -vo_intf mipitx
4. 重启单板
5. 执行/opt/sample/vo # ./sample_vo 6 5 显示屏不亮
/opt/sample/vo # ./sample_vo 6 5
[MPP] Version: [HI3519DV500_MPP_V2.0.2.0 B050 Release], Build Time[Dec 20 2024, 16:23:07]
linear 4M30fps mode
===================================================================================
vi_pipe:0,== SC450AI_MIPI_27MInput_4lane_360Mbps_10bit_30fps_2688x1520 Init OK! ==
===================================================================================
ISP Dev 0 running !
start vo dhd0.
mipi intf sync = 48
---------------press enter key to exit!---------------
[main]-1255: sample_vo exit normally!
6. cat /proc/umap/vo输出为空
# cat /proc/umap/vo
[VO] Version: [HI3519DV500_MPP_V2.0.2.0 B050 Release], Build Time[Dec 20 2024, 16:23:07]
我来回答
回答9个
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认可0
- 怎么接线的？拍清楚一点；
- 上电屏幕背光k亮吗？可以用例程目录下的脚本控制下；
认可0
认可0
认可1
该回答已被题主采纳为最佳答案第1步：设置传感器时钟（必须！）
bspmm 0x11018440 0x4001
OS04A10 需要 24MHz 时钟，开发板默认是 37.125MHz。这一步掉电会丢失，每次上电都要重设。
第2步：加载驱动
cd /komod && ./load3519dv500 -a -sensor0 os04a10 -vo_intf mipitx
第3步：启动RTSP推流
cd /root && ./sample_venc 0 1 0 3
输出: 2688×1520 @30fps, H.265
然后在你的 Ubuntu / Windows 上拉流：
ffplay rtsp://192.168.1.168:554/live0 -vf “vflip,hflip”
画面出来了！2688×1520 分辨率，30fps，非常流畅。
sample_venc 只是基础推流，真正让画面”锐”起来的是 AI ISP。
cd /root && ./sample_aiisp 0 1 0 3
启动后出现模型选择，输入 2 回车 → detail_priority（细节优先）
拉流：
ffplay rtsp://192.168.1.168:554/live265 -vf “vflip,hflip”
和普通 VENC 的输出对比，细节优先模式下边缘更锐利、纹理更清晰。做目标检测的话，AI ISP 输出的底图质量直接决定了后续 NPU 推理的准确率。
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i2c检查异常 证明硬件层面问题
或将文件直接拖到这里
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