External trigger to start recording of multiple frames

2 次查看（过去 30 天）

Oliver Köhn 2019-2-18

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/445623-external-trigger-to-start-recording-of-multiple-frames

评论： Andrew Weitz 2019-5-20

I would like to start recording a certain number of frames after an external trigger has been detected. The following code just records a single frame each time the external trigger is detected. I was expecting 600 frames in this example, because the parameter vid.FramesPerTrigger is set to 600.How can i detect N frames with a certain fps if triggered instead of just one single frame?

"start"
clear all
vid = videoinput('tisimaq_r2013_64', 1, 'Y800 (1280x1024)');
config = triggerinfo(vid);
s = vid.Source;
triggerconfig(vid, 'hardware', 'hardware', 'hardware');
vid.FramesPerTrigger = 600;
vid.TriggerRepeat = 0;
start(vid);
wait(vid, 10);
stop(vid);
[data,d] = getdata(vid, vid.FramesAvailable);
"end"