Trigger Software#
Using the Feature#
To trigger the camera by executing a software command:
- Set the TriggerSelector parameter to the desired trigger type, e.g., FrameStart.
- Set the TriggerMode parameter to On.
- Set the TriggerSource parameter to Software.
- Execute the TriggerSoftware command.
A software trigger signal is sent. The signal triggers the selected trigger type.
Sample Code#
// Select the Frame Start trigger camera.TriggerSelector.SetValue(TriggerSelector_FrameStart); // Enable triggered image acquisition for the Frame Start trigger camera.TriggerMode.SetValue(TriggerMode_On); // Set the trigger source for the Frame Start trigger to Software camera.TriggerSource.SetValue(TriggerSource_Software); // Generate a software trigger signal camera.TriggerSoftware.Execute();
INodeMap& nodemap = camera.GetNodeMap(); // Select the Frame Start trigger CEnumerationPtr(nodemap.GetNode("TriggerSelector"))->FromString("FrameStart"); // Enable triggered image acquisition for the Frame Start trigger CEnumerationPtr(nodemap.GetNode("TriggerMode"))->FromString("On"); // Set the trigger source for the Frame Start trigger to Software CEnumerationPtr(nodemap.GetNode("TriggerSource"))->FromString("Software"); // Generate a software trigger signal CCommandPtr(nodemap.GetNode("TriggerSoftware"))->Execute();
INodeMap& nodemap = camera.GetNodeMap(); // Select the Frame Start trigger CEnumParameter(nodemap, "TriggerSelector").SetValue("FrameStart"); // Enable triggered image acquisition for the Frame Start trigger CEnumParameter(nodemap, "TriggerMode").SetValue("On"); // Set the trigger source for the Frame Start trigger to Software CEnumParameter(nodemap, "TriggerSource").SetValue("Software"); // Generate a software trigger signal CCommandParameter(nodemap, "TriggerSoftware").Execute();
// Select the Frame Start trigger camera.Parameters[PLCamera.TriggerSelector].SetValue(PLCamera.TriggerSelector.FrameStart); // Enable triggered image acquisition for the Frame Start trigger camera.Parameters[PLCamera.TriggerMode].SetValue(PLCamera.TriggerMode.On); // Set the trigger source for the Frame Start trigger to Software camera.Parameters[PLCamera.TriggerSource].SetValue(PLCamera.TriggerSource.Software); // Generate a software trigger signal camera.Parameters[PLCamera.TriggerSoftware].Execute();
// Select the Frame Start trigger Pylon.DeviceFeatureFromString(hdev, "TriggerSelector", "FrameStart"); // Enable triggered image acquisition for the Frame Start trigger Pylon.DeviceFeatureFromString(hdev, "TriggerMode", "On"); // Set the trigger source for the Frame Start trigger to Software Pylon.DeviceFeatureFromString(hdev, "TriggerSource", "Software"); // Generate a software trigger signal Pylon.DeviceExecuteCommandFeature(hdev, "TriggerSoftware");
/* Macro to check for errors */ #define CHECK(errc) if (GENAPI_E_OK != errc) printErrorAndExit(errc) GENAPIC_RESULT errRes = GENAPI_E_OK; /* Return value of pylon methods */ /* Select the Frame Start trigger */ errRes = PylonDeviceFeatureFromString(hdev, "TriggerSelector", "FrameStart"); CHECK(errRes); /* Enable triggered image acquisition for the Frame Start trigger */ errRes = PylonDeviceFeatureFromString(hdev, "TriggerMode", "On"); CHECK(errRes); /* Set the trigger source for the Frame Start trigger to Software */ errRes = PylonDeviceFeatureFromString(hdev, "TriggerSource", "Software"); CHECK(errRes); /* Generate a software trigger signal */ errRes = PylonDeviceExecuteCommandFeature(hdev, "TriggerSoftware"); CHECK(errRes);
You can also use the pylon Viewer to easily set the parameters.