How To Setup An External Trigger In Image Acquisition Toolbox for a Point Grey Grasshopper3

I have a Grasshopper3 GS3-U3-23S6M USB camera and I would like to trigger continuous recording with an external signal.

I am using MATLAB 9.6 (R2019a), the Image Acquisition Toolbox version 6.0 and the Image Acquisition Toolbox Support Package for Point Grey Hardware.

I have version 2.11.3.121 of Flycap, which came with the toolbox support package.

I have an Arduino set up to deliver an external signal to GPIO3

In matlab I set:

vio = videoinput('pointgrey', 1, 'F7_Mono12_1920x1200_Mode0');

triggerconfig(vio, 'hardware','risingEdge','externalTriggerMode15-Source3');

vio.FramesPerTrigger = Inf;

vio.TriggerRepeat = Inf;

src.TriggerParameter = 1024;

This works perfectly when setup using Flycap2, however when I use Matlab the camera does not start acquiring images when the external trigger is sent.

I have re-installed both flycap and the point grey image Acquisition Toolbox Support Package

I have tried both GPIO0 and 3 as external sources,

I have tried all trigger modes

[Faber Octavianus]

Hi,

I'm currently facing the similar problem in using Arduino for hardware triggering a point grey Grasshopper3 camera, have you found the solution to this and might want to share it? Thanks.

[Ravi Umadi]

I have the exact same problem. I have tried everything, No solution.

Answer 1

[wei zhang]

I've met the same problem too...

Answer 2

[wei zhang]

Maybe because the MATLAB failed to hear the signal...

MATLAB used imaging toolbox to control camera, when you directly sent a signal to the camera via GPIO, the MATLAB just couldn't hear it...

Just a guess..

Maybe we should write a adaptor for that?...

[Ravi Umadi]

Could you tell me more about how to fix this with an adapter? I need to get it working as it is critical for my project. Thanks you