C#如何实现海康相机lineInverter数字输出
时间: 2023-12-29 10:03:05 浏览: 36
要实现海康相机的lineInverter数字输出功能,可以使用海康SDK提供的HCNetSDK.dll动态链接库,具体步骤如下:
1. 引入HCNetSDK.dll动态链接库。
2. 初始化SDK,调用NET_DVR_Init()函数。
3. 登录相机,调用NET_DVR_Login()函数。
4. 获取相机的编码参数,调用NET_DVR_GetDVRConfig()函数,参数类型为NET_DVR_COMPRESSIONCFG_V30。
5. 修改编码参数中的lineInverter字段,使其为1或0,表示开启或关闭lineInverter数字输出功能。
6. 设置相机的编码参数,调用NET_DVR_SetDVRConfig()函数,参数类型同上。
7. 退出登录,调用NET_DVR_Logout()函数。
8. 释放SDK资源,调用NET_DVR_Cleanup()函数。
需要注意的是,使用海康SDK进行开发需要有相应的开发资质,否则可能会涉及到法律问题。同时,在实际开发中,还需要考虑到异常情况的处理,例如网络连接失败、相机不在线等等。
相关问题
C#代码如何实现海康相机数字IO输出
以下是C#代码示例,用于实现海康相机数字IO输出:
```c#
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Runtime.InteropServices;
namespace DigitalIOControlDemo
{
class Program
{
[DllImport("HCNetSDK.dll")]
public static extern bool NET_DVR_Init();
[DllImport("HCNetSDK.dll")]
public static extern bool NET_DVR_Cleanup();
[DllImport("HCNetSDK.dll")]
public static extern int NET_DVR_Login_V30(string sDVRIP, ushort wDVRPort, string sUserName, string sPassword, ref NET_DVR_DEVICEINFO_V30 lpDeviceInfo);
[DllImport("HCNetSDK.dll")]
public static extern bool NET_DVR_Logout(int lUserID);
[DllImport("HCNetSDK.dll")]
public static extern bool NET_DVR_SetDVRConfig(int lUserID, uint dwCommand, int lChannel, ref NET_DVR_DIGITAL_IO_CONTROL lpInBuffer, uint dwInBufferSize);
[StructLayout(LayoutKind.Sequential)]
public struct NET_DVR_DEVICEINFO_V30
{
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 48)]
public string sSerialNumber;
public byte byAlarmInPortNum;
public byte byAlarmOutPortNum;
public byte byDiskNum;
public byte byDVRType;
public byte byChanNum;
public byte byStartChan;
public byte byAudioChanNum;
public byte byIPChanNum;
public byte byZeroChanNum;
public byte byMainProto;
public byte bySubProto;
public byte bySupport;
public byte bySupport1;
public byte bySupport2;
public ushort wDevType;
public byte bySupport3;
public byte byMultiStreamProto;
public byte byStartDChan;
public byte byStartDTalkChan;
public byte byHighDChanNum;
public byte bySupport4;
public byte byLanguageType;
public byte byVoiceInChanNum;
public byte byRes3;
public byte byMirrorChanNum;
public ushort wStartMirrorChanNo;
public byte byRes2;
public byte bySupport5;
public int lStartUserRight; // the begin user right
public int lEndUserRight; // the end user right
public byte byMirrorChanNum2;
public byte byStartListenChan;
public byte byReserve3;
public byte bySupport6;
public int lSerialNum; //Serial number
public byte bySupport7;
public byte byDevTypeName;
public byte byRes4;
public byte bySupport8;
public byte bySupport9;
public byte bySupport10;
public byte bySupport11;
public byte bySupport12;
public byte bySupport13;
public byte bySupport14;
public byte bySupport15;
public byte bySupport16;
public byte bySupport17;
public byte bySupport18;
public byte bySupport19;
public byte bySupport20;
public byte bySupport21;
public byte bySupport22;
public byte bySupport23;
public byte bySupport24;
public byte bySupport25;
public byte bySupport26;
public byte bySupport27;
public byte bySupport28;
public byte bySupport29;
public byte bySupport30;
public byte bySupport31;
public byte bySupport32;
public byte bySupport33;
public byte bySupport34;
public byte bySupport35;
public byte bySupport36;
public byte bySupport37;
public byte bySupport38;
public byte bySupport39;
public byte bySupport40;
public byte bySupport41;
public byte bySupport42;
public byte bySupport43;
public byte bySupport44;
public byte bySupport45;
public byte bySupport46;
public byte bySupport47;
public byte bySupport48;
public byte bySupport49;
public byte bySupport50;
public byte bySupport51;
public byte bySupport52;
public byte bySupport53;
public byte bySupport54;
public byte bySupport55;
public byte bySupport56;
public byte bySupport57;
public byte bySupport58;
public byte bySupport59;
public byte bySupport60;
public byte bySupport61;
public byte bySupport62;
public byte bySupport63;
public byte bySupport64;
}
[StructLayout(LayoutKind.Sequential)]
public struct NET_DVR_DIGITAL_IO_CONTROL
{
public uint dwSize;
public uint dwChannel;
public uint dwControlType;
public NET_DVR_DIGITAL_IO struDigitalIO;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 76, ArraySubType = UnmanagedType.I1)]
public byte[] byRes;
}
[StructLayout(LayoutKind.Sequential)]
public struct NET_DVR_DIGITAL_IO
{
public uint dwChannel;
public uint dwWorkType;
public uint dwTrigType;
public byte byDelayTime;
public byte byRes1;
public ushort wRes1;
public uint dwAlarmOutPut;
public uint dwOutputDuration;
public byte byMode;
public byte byPolarity;
public byte byRes2;
public byte bySignalLatch;
public byte byRes3;
public byte bySignalType;
public byte byRes4;
public byte byRes5;
public byte byRes6;
public byte byRes7;
public uint dwSignalInPut;
public uint dwInputLevel;
public byte byRes8;
public byte byRes9;
public ushort wRes2;
public uint dwTrigChannel;
public byte byTrigDelayTime;
public byte byTrigLatch;
public byte byTrigSignalType;
public byte byRes10;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.I1)]
public byte[] byRes11;
}
static void Main(string[] args)
{
// 初始化 SDK
NET_DVR_Init();
// 登录相机
NET_DVR_DEVICEINFO_V30 deviceInfo = new NET_DVR_DEVICEINFO_V30();
int lUserID = NET_DVR_Login_V30("192.168.1.64", 8000, "admin", "12345", ref deviceInfo);
if (lUserID < 0)
{
Console.WriteLine("登录相机失败,错误码:" + NET_DVR_GetLastError().ToString());
return;
}
// 设置数字 IO 参数
NET_DVR_DIGITAL_IO_CONTROL struIOControl = new NET_DVR_DIGITAL_IO_CONTROL();
struIOControl.dwSize = (uint)Marshal.SizeOf(struIOControl);
struIOControl.dwChannel = 1; // IO 通道号
struIOControl.dwControlType = 0; // 输出模式
NET_DVR_SetDVRConfig(lUserID, NET_DVR_SET_IO_CONTROL_CFG, 0, ref struIOControl, (uint)Marshal.SizeOf(struIOControl));
// 启用输出信号
struIOControl.struDigitalIO.dwChannel = 1; // IO 通道号
struIOControl.struDigitalIO.dwWorkType = 1; // 手动模式
struIOControl.struDigitalIO.byMode = 1; // 输出高电平
NET_DVR_SetDVRConfig(lUserID, NET_DVR_SET_IO_CONTROL_CFG, 0, ref struIOControl, (uint)Marshal.SizeOf(struIOControl));
// 关闭输出信号
struIOControl.struDigitalIO.byMode = 0; // 输出低电平
NET_DVR_SetDVRConfig(lUserID, NET_DVR_SET_IO_CONTROL_CFG, 0, ref struIOControl, (uint)Marshal.SizeOf(struIOControl));
// 释放资源
NET_DVR_Logout(lUserID);
NET_DVR_Cleanup();
}
}
}
```
注意:以上代码仅供参考,实际使用时需要根据相机型号和需求进行调整。
海康相机如何实现代码数字IO输出
海康相机可以通过 SDK 中的 DigitalIOControl 接口实现数字 IO 输出。该接口提供了以下方法:
1. `SetStrobeConfig`:设置输出信号的参数,如输出电平、频率、脉宽等。
2. `SetStrobeEnabled`:启用或禁用输出信号。
3. `SetStrobeValue`:设置输出信号的值。
以下是一个简单的示例代码:
```c++
// 初始化 SDK
NET_DVR_Init();
// 登录相机
NET_DVR_DEVICEINFO_V30 deviceInfo;
LONG lUserID = NET_DVR_Login_V30("192.168.1.64", 8000, "admin", "12345", &deviceInfo);
// 设置数字 IO 参数
NET_DVR_DIGITAL_IO_CONTROL struIOControl = { 0 };
struIOControl.dwSize = sizeof(struIOControl);
struIOControl.dwChannel = 1; // IO 通道号
struIOControl.dwControlType = NET_DVR_DIGITAL_IO_OUTPUT; // 输出模式
NET_DVR_STD_CONFIG struConfig = { 0 };
struConfig.lpInBuffer = &struIOControl;
struConfig.dwInSize = sizeof(struIOControl);
NET_DVR_SetSTDConfig(lUserID, NET_DVR_SET_IO_CONTROL_CFG, &struConfig);
// 启用输出信号
struIOControl.struDigitalIO.struOutput.dwChannel = 1; // IO 通道号
struIOControl.struDigitalIO.struOutput.dwWorkMode = 1; // 手动模式
struIOControl.struDigitalIO.struOutput.byIsEnable = 1; // 启用输出信号
struConfig.lpInBuffer = &struIOControl;
struConfig.dwInSize = sizeof(struIOControl);
NET_DVR_SetSTDConfig(lUserID, NET_DVR_SET_IO_CONTROL_CFG, &struConfig);
// 输出信号
struIOControl.struDigitalIO.struOutput.bySignalValue = 1; // 输出高电平
struConfig.lpInBuffer = &struIOControl;
struConfig.dwInSize = sizeof(struIOControl);
NET_DVR_SetSTDConfig(lUserID, NET_DVR_SET_IO_CONTROL_CFG, &struConfig);
// 关闭输出信号
struIOControl.struDigitalIO.struOutput.byIsEnable = 0; // 禁用输出信号
struConfig.lpInBuffer = &struIOControl;
struConfig.dwInSize = sizeof(struIOControl);
NET_DVR_SetSTDConfig(lUserID, NET_DVR_SET_IO_CONTROL_CFG, &struConfig);
// 释放资源
NET_DVR_Logout(lUserID);
NET_DVR_Cleanup();
```
注意:以上代码仅供参考,实际使用时需要根据相机型号和需求进行调整。