SC132设置为hardware trigger模式若没收到触发信号会出现segfault
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触发模式设置为硬触发，使用raspberrypi这个repo中的c_demo的capture程序跑，没收到触发信号直接segfault
看着是崩在D_capture这个api上 -
@xzh
你好，
这个capture的功能并不是配套triggger模式的。其功能是从流模式下当前视频流中取出一帧图像。
使用trigger模式，建议使用D_start_yuv_stream函数，注册一个回调函数。然后就会一直处于等待状态。有触发信号之后，就会收到回调函数。
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