优化OPT相机图像采集

TeamAAS-VM/Core/Cameras/OptCamera.cs

@@ -1,5 +1,6 @@
 using Cognex.VisionPro;
 using Microsoft.Win32;
+using NPOI.POIFS.Crypt.Dsig;
 using NPOI.SS.Formula.Eval;
 using SciCamera.Net;
 using System;
@@ -121,7 +122,7 @@ namespace TeamAAS_VP.Core.Cameras
 
                 if (devTlType == SciCam.SciCamTLType.SciCam_TLType_Gige)
                 {
-                    
+
                     SciCam.SCI_DEVICE_GIGE_INFO gigeDevInfo = (SciCam.SCI_DEVICE_GIGE_INFO)SciCam.ByteToStruct(device.info.gigeInfo, typeof(SciCam.SCI_DEVICE_GIGE_INFO));
                     uint ip1 = gigeDevInfo.ip;
                     int nIp1 = (int)(ip1 & 0x000000ff);
@@ -337,7 +338,7 @@ namespace TeamAAS_VP.Core.Cameras
                         throw new Exception("没有发现相机");
                     }
                 }
-                SciCam.SCI_DEVICE_INFO sCI_DEVICE_INFO= CameraInfo;
+                SciCam.SCI_DEVICE_INFO sCI_DEVICE_INFO = CameraInfo;
                 nReVal = mvCameraAcq.CreateDevice(ref sCI_DEVICE_INFO);
                 if (nReVal != SciCam.SCI_CAMERA_OK)
                 {
@@ -348,13 +349,22 @@ namespace TeamAAS_VP.Core.Cameras
                 nReVal = mvCameraAcq.OpenDevice();
                 // ch:设置触发模式为off | en:Set trigger mode as off
                 nReVal = mvCameraAcq.SetEnumValueByStringEx(SciCam.SciCamDeviceXmlType.SciCam_DeviceXml_Camera, "TriggerMode", "Off");
+                nReVal = mvCameraAcq.SetEnumValueByString("TriggerSource", "Software");
+                // ch:注册事件回调 | en:Register event callback
+                //nReVal = mvCameraAcq.RegisterPayloadCallBack(new SciCam.fnOnPayloadDelegate(ImageCallBack), IntPtr.Zero, true);
+                // ch:设置采集策略 | en:Set Grab Strategy
+                nReVal = mvCameraAcq.SetGrabStrategy(SciCam.SciCamGrabStrategy.SciCam_GrabStrategy_Latest);
+                if (nReVal != SciCam.SCI_CAMERA_OK)
+                {
+                    Console.WriteLine("Register Event CallBack fail! nRet {0}", nReVal);
+                }
                 if (!IsConnected)
                 {
                     CameraConnectChangedEvent?.Invoke(ID, true);
                 }
-                mvCameraAcq.SetGrabTimeout(300);
+                mvCameraAcq.SetGrabTimeout(2000);
                 IsConnected = mvCameraAcq.IsDeviceOpen();
-                if (IsConnected) 
+                if (IsConnected)
                 {
                     mvCameraAcq.StartGrabbing();
                 }
@@ -421,7 +431,9 @@ namespace TeamAAS_VP.Core.Cameras
                         //    mvCameraAcq.StartGrabbing();
                         //}
                         //nReVal = mvCameraAcq.StartGrabbing();
-                        mvCameraAcq.ClearPayloadBuffer();
+                        //mvCameraAcq.ClearPayloadBuffer();
+                        // ch:发送软触发命令 | en:Send Trigger Software command
+                        //nReVal = mvCameraAcq.SetCommandValueEx(SciCam.SciCamDeviceXmlType.SciCam_DeviceXml_Camera, "TriggerSoftware");
                         nReVal = mvCameraAcq.Grab(ref payload);
                         if (nReVal == SciCam.SCI_CAMERA_OK)
                         {
@@ -429,12 +441,12 @@ namespace TeamAAS_VP.Core.Cameras
                             mvCameraAcq.FreePayload(payload);
                             //nReVal = mvCameraAcq.StopGrabbing();
                             TotalTime = sw.Elapsed;
-                            ErrorMessage= $"{i+1}";
+                            ErrorMessage = $"{i + 1}";
                             return Image;
                         }
                         else
                         {
-                            nReVal = mvCameraAcq.FreePayload(payload);
+                            //nReVal = mvCameraAcq.FreePayload(payload);
                             //nReVal = mvCameraAcq.StopGrabbing();
                             //_operationSemaphore.Release();
                             CloseDevice();
@@ -463,6 +475,27 @@ namespace TeamAAS_VP.Core.Cameras
             }
         }
 
+        // ch:采集回调接口 | en:Grab Callback interface     
+        void ImageCallBack(IntPtr payload, IntPtr tag)
+        {
+            if (payload == IntPtr.Zero) return;
+            uint nReVal = SciCam.SCI_CAMERA_OK;
+
+            SciCam.SCI_CAM_PAYLOAD_ATTRIBUTE attribute = new SciCam.SCI_CAM_PAYLOAD_ATTRIBUTE();
+            nReVal = SciCam.PayloadGetAttribute(payload, ref attribute);
+            if (nReVal != SciCam.SCI_CAMERA_OK || !attribute.isComplete)
+            {
+                Console.WriteLine("Failed to get image attributes or frame is incomplete! nRet:{0}", nReVal);
+            }
+            else
+            {
+                Image = GetConvertedInfo(payload);
+                ImageCallbackEvent?.Invoke(Image, TotalTime, ErrorMessage);
+                //Console.WriteLine("Get One Frame: Width[{0}], Height[{1}], nFrameNum[{2}]",
+                //attribute.imgAttr.width, attribute.imgAttr.height, attribute.frameID);
+            }
+        }
+
         /// <summary>
         /// 开始采集图像
         /// </summary>