相机通用类之海康相机，软触发硬触发（飞拍），并输出halcon格式对象
//在此之前可以先浏览我编写的通用上位机类，更方便理解
https://blog.csdn.net/m0_51559565/article/details/134403745
最近完成一个关于海康采图的demo，记录并说明用法。
先上代码。
using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Threading;
using MvCamCtrl.NET;
using HalconDotNet;
using System.Windows.Forms;
using WeldingInspection.MyCamer;
namespace WeldingInspection
{
public partial class HKCamerSDK: MyBaseCamera
{
//创建相机集合，用于存放相机
MyCamera.MV_CC_DEVICE_INFO_LIST m_pDeviceList;
MyCamera.MV_CC_DEVICE_INFO device;
MyCamera HKMyCamera = new MyCamera();
MyCamera.cbOutputExdelegate ImageCallback;
MyCamera.cbExceptiondelegate pCallBackFunc;
HObject hPylonImage = new HObject();
/// 开启成功返回true，开启失败返回false，并在输出打印错误码
public override List<string> FindCamer()
{
int nRet;
List<string> CamerName = new List<string>();
// ch:创建设备列表 en:Create Device List
System.GC.Collect();
nRet = MyCamera.MV_CC_EnumDevices_NET(MyCamera.MV_GIGE_DEVICE | MyCamera.MV_USB_DEVICE, ref m_pDeviceList);
if (0 != nRet)
{
Console.WriteLine("NOT find Camer! {0:x8}", nRet);
return null;
}
//在输出打印相机名称
for (int i = 0; i < m_pDeviceList.nDeviceNum; i++)
{
MyCamera.MV_CC_DEVICE_INFO device = (MyCamera.MV_CC_DEVICE_INFO)Marshal.PtrToStructure(m_pDeviceList.pDeviceInfo[i], typeof(MyCamera.MV_CC_DEVICE_INFO));
//网口相机
if (device.nTLayerType == MyCamera.MV_GIGE_DEVICE)
{
IntPtr buffer = Marshal.UnsafeAddrOfPinnedArrayElement(device.SpecialInfo.stGigEInfo, 0);
MyCamera.MV_GIGE_DEVICE_INFO gigeInfo = (MyCamera.MV_GIGE_DEVICE_INFO)Marshal.PtrToStructure(buffer, typeof(MyCamera.MV_GIGE_DEVICE_INFO));
if (gigeInfo.chUserDefinedName != "")
{
Console.WriteLine("GigE: " + gigeInfo.chUserDefinedName + " (" + gigeInfo.chSerialNumber + ")");
CamerName.Add(gigeInfo.chSerialNumber);
}
else
{
Console.WriteLine("GigE: " + gigeInfo.chManufacturerName + " " + gigeInfo.chModelName + " (" + gigeInfo.chSerialNumber + ")");
}
}
//usb接口相机
else if (device.nTLayerType == MyCamera.MV_USB_DEVICE)
{
IntPtr buffer = Marshal.UnsafeAddrOfPinnedArrayElement(device.SpecialInfo.stUsb3VInfo, 0);
MyCamera.MV_USB3_DEVICE_INFO usbInfo = (MyCamera.MV_USB3_DEVICE_INFO)Marshal.PtrToStructure(buffer, typeof(MyCamera.MV_USB3_DEVICE_INFO));
if (usbInfo.chUserDefinedName != "")
{
Console.WriteLine("USB: " + usbInfo.chUserDefinedName + " (" + usbInfo.chSerialNumber + ")");
}
else
{
Console.WriteLine("USB: " + usbInfo.chManufacturerName + " " + usbInfo.chModelName + " (" + usbInfo.chSerialNumber + ")");
}
}
}
if (m_pDeviceList.nDeviceNum == 0)
{
Console.WriteLine("未找到USB或者网口相机", 0);
return null;
}
return CamerName;
}
/// 整体过程其实比较简单，由于海康相机没有像一些品牌相机一样可以直接使用序列号开启相机，所以我们需要通过对相机信息进行索引，根据索引到的相机序列号来开启相机。
如何显示图像：可以访问我文章开头的博客，通过编写相机通用类即可，程序中是有继承通用类，通过访问相机通用的获取图像数据，从而传输图像数据。具体可以查看相机通用类。