ParametrizeCamera_AreaScanIOSettings.cpp

面阵相机触发节点IO

这个示例演示了面阵相机触发相关节点IO的配置。

#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <pthread.h>
#include <string.h>
#include "MvCameraControl.h"

bool g_bExit = false;

// ch:等待按键输入 | en:Wait for key press
void PressEnterToExit(void)
{
    int c;
    while ( (c = getchar()) != '\n' && c != EOF );
    fprintf( stderr, "\nPress enter to exit.\n");
    while( getchar() != '\n');
}

bool PrintDeviceInfo(MV_CC_DEVICE_INFO* pstMVDevInfo)
{
    if (NULL == pstMVDevInfo)
    {
        printf("The Pointer of pstMVDevInfo is NULL!\n");
        return false;
    }
    if (pstMVDevInfo->nTLayerType == MV_GIGE_DEVICE)
    {
        int nIp1 = ((pstMVDevInfo->SpecialInfo.stGigEInfo.nCurrentIp & 0xff000000) >> 24);
        int nIp2 = ((pstMVDevInfo->SpecialInfo.stGigEInfo.nCurrentIp & 0x00ff0000) >> 16);
        int nIp3 = ((pstMVDevInfo->SpecialInfo.stGigEInfo.nCurrentIp & 0x0000ff00) >> 8);
        int nIp4 = (pstMVDevInfo->SpecialInfo.stGigEInfo.nCurrentIp & 0x000000ff);

        // ch:打印当前相机ip和用户自定义名字 | en:print current ip and user defined name
        printf("CurrentIp: %d.%d.%d.%d\n" , nIp1, nIp2, nIp3, nIp4);
        printf("UserDefinedName: %s\n\n" , pstMVDevInfo->SpecialInfo.stGigEInfo.chUserDefinedName);
    }
    else if (pstMVDevInfo->nTLayerType == MV_USB_DEVICE)
    {
        printf("UserDefinedName: %s\n", pstMVDevInfo->SpecialInfo.stUsb3VInfo.chUserDefinedName);
        printf("Serial Number: %s\n", pstMVDevInfo->SpecialInfo.stUsb3VInfo.chSerialNumber);
        printf("Device Number: %d\n\n", pstMVDevInfo->SpecialInfo.stUsb3VInfo.nDeviceNumber);
    }
    else if (pstMVDevInfo->nTLayerType == MV_GENTL_GIGE_DEVICE)
    {
        printf("UserDefinedName: %s\n", pstMVDevInfo->SpecialInfo.stGigEInfo.chUserDefinedName);
        printf("Serial Number: %s\n", pstMVDevInfo->SpecialInfo.stGigEInfo.chSerialNumber);
        printf("Model Name: %s\n\n", pstMVDevInfo->SpecialInfo.stGigEInfo.chModelName);
    }
    else if (pstMVDevInfo->nTLayerType == MV_GENTL_CAMERALINK_DEVICE)
    {
        printf("UserDefinedName: %s\n", pstMVDevInfo->SpecialInfo.stCMLInfo.chUserDefinedName);
        printf("Serial Number: %s\n", pstMVDevInfo->SpecialInfo.stCMLInfo.chSerialNumber);
        printf("Model Name: %s\n\n", pstMVDevInfo->SpecialInfo.stCMLInfo.chModelName);
    }
    else if (pstMVDevInfo->nTLayerType == MV_GENTL_CXP_DEVICE)
    {
        printf("UserDefinedName: %s\n", pstMVDevInfo->SpecialInfo.stCXPInfo.chUserDefinedName);
        printf("Serial Number: %s\n", pstMVDevInfo->SpecialInfo.stCXPInfo.chSerialNumber);
        printf("Model Name: %s\n\n", pstMVDevInfo->SpecialInfo.stCXPInfo.chModelName);
    }
    else if (pstMVDevInfo->nTLayerType == MV_GENTL_XOF_DEVICE)
    {
        printf("UserDefinedName: %s\n", pstMVDevInfo->SpecialInfo.stXoFInfo.chUserDefinedName);
        printf("Serial Number: %s\n", pstMVDevInfo->SpecialInfo.stXoFInfo.chSerialNumber);
        printf("Model Name: %s\n\n", pstMVDevInfo->SpecialInfo.stXoFInfo.chModelName);
    }
    else
    {
        printf("Not support.\n");
    }

    return true;
}

void __stdcall ImageCallBackEx(unsigned char * pData, MV_FRAME_OUT_INFO_EX* pFrameInfo, void* pUser)
{
    if (pFrameInfo)
    {
        printf("Get One Frame: Width[%d], Height[%d], nFrameNum[%d]\n", 
            pFrameInfo->nExtendWidth, pFrameInfo->nExtendHeight, pFrameInfo->nFrameNum);
    }
}

int main()
{
    int nRet = MV_OK;
    void* handle = NULL;

    do 
    {
        // ch:初始化SDK | en:Initialize SDK
        nRet = MV_CC_Initialize();
        if (MV_OK != nRet)
        {
            printf("Initialize SDK fail! nRet [0x%x]\n", nRet);
            break;
        }

        // ch:枚举设备 | en:Enum device
        MV_CC_DEVICE_INFO_LIST stDeviceList;
        memset(&stDeviceList, 0, sizeof(MV_CC_DEVICE_INFO_LIST));
        nRet = MV_CC_EnumDevices(MV_GIGE_DEVICE | MV_USB_DEVICE | MV_GENTL_CAMERALINK_DEVICE | MV_GENTL_CXP_DEVICE | MV_GENTL_XOF_DEVICE, &stDeviceList);
        if (MV_OK != nRet)
        {
            printf("Enum Devices fail! nRet [0x%x]\n", nRet);
            break;
        }

        if (stDeviceList.nDeviceNum > 0)
        {
            for (unsigned int i = 0; i < stDeviceList.nDeviceNum; i++)
            {
                printf("[device %d]:\n", i);
                MV_CC_DEVICE_INFO* pDeviceInfo = stDeviceList.pDeviceInfo[i];
                if (NULL == pDeviceInfo)
                {
                    break;
                } 
                PrintDeviceInfo(pDeviceInfo);            
            }  
        } 
        else
        {
            printf("Find No Devices!\n");
            break;
        }

        printf("Please Input camera index(0-%d):", stDeviceList.nDeviceNum-1);
        unsigned int nIndex = 0;
        scanf("%d", &nIndex);

        if (nIndex >= stDeviceList.nDeviceNum)
        {
            printf("Input error!\n");
            break;
        }

        // ch:选择设备并创建句柄 | en:Select device and create handle
        nRet = MV_CC_CreateHandle(&handle, stDeviceList.pDeviceInfo[nIndex]);
        if (MV_OK != nRet)
        {
            printf("Create Handle fail! nRet [0x%x]\n", nRet);
            break;
        }

        // ch:打开设备 | en:Open device
        nRet = MV_CC_OpenDevice(handle);
        if (MV_OK != nRet)
        {
            printf("Open Device fail! nRet [0x%x]\n", nRet);
            break;
        }

        // ch:探测网络最佳包大小(只对GigE相机有效) | en:Detection network optimal package size(It only works for the GigE camera)
        if (stDeviceList.pDeviceInfo[nIndex]->nTLayerType == MV_GIGE_DEVICE)
        {
            int nPacketSize = MV_CC_GetOptimalPacketSize(handle);
            if (nPacketSize > 0)
            {
                nRet = MV_CC_SetIntValueEx(handle,"GevSCPSPacketSize",nPacketSize);
                if(nRet != MV_OK)
                {
                    printf("Warning: Set Packet Size fail nRet [0x%x]!\n", nRet);
                }
            }
            else
            {
                printf("Warning: Get Packet Size fail nRet [0x%x]!\n", nPacketSize);
            }
        }

        // 以下设置Line0 IO输入，也可选择Line2作为输入、Line2 延迟更低
        printf("Now set IO input...\n");
        {
            // ch:设置触发模式为on | en:Set trigger mode as on
            nRet = MV_CC_SetEnumValueByString(handle, "TriggerMode", "On");
            if (MV_OK != nRet)
            {
                printf("Set trigger mode fail! nRet [0x%x]\n", nRet);
                break;
            }

            // ch:设置触发源为Line0 | en:Set trigger source as Line0
            nRet = MV_CC_SetEnumValueByString(handle, "TriggerSource", "Line0");
            if (MV_OK != nRet)
            {
                printf("Set trigger source fail! nRet [0x%x]\n", nRet);
                break;
            }

            // ch:设置触发沿为RisingEdge | en: Set TriggerActivation as RisingEdge
            nRet = MV_CC_SetEnumValueByString(handle, "TriggerActivation", "RisingEdge");
            if (MV_OK != nRet)
            {
                printf("Set trigger activation RisingEdge fail! nRet [0x%x]\n", nRet);
                break;
            }

            // ch:设置触发延迟 | en: Set TriggerDelay
            nRet = MV_CC_SetFloatValue(handle, "TriggerDelay", 0);
            if (MV_OK != nRet)
            {
                printf("Set trigger delay fail! nRet [0x%x]\n", nRet);
                break;
            }

            // ch:关闭触发缓存、如需要可开启 | en: Turn off TriggerCacheEnable 
            nRet = MV_CC_SetBoolValue(handle, "TriggerCacheEnable", false);
            if (MV_OK != nRet)
            {
                printf("Set trigger cache enable fail! nRet [0x%x]\n", nRet);
                break;
            }

            // ch:切换LineSelector 为Line0 | en: Set LineSelector as Line0
            nRet = MV_CC_SetEnumValueByString(handle, "LineSelector", "Line0");
            if (MV_OK != nRet)
            {
                printf("Set line selector fail! nRet [0x%x]\n", nRet);
                break;
            }

            // ch:设置Line0 滤波时间(us)、误触发可适当加大 | Set Line0 LineDebouncerTime(us)
            nRet = MV_CC_SetIntValueEx(handle, "LineDebouncerTime", 50);
            if (MV_OK != nRet)
            {
                printf("Set line debouncer time fail! nRet [0x%x]\n", nRet);
                break;
            }
        }

        //以下设置Line1 IO输出、也可选择Line2作为输出、Line2 延迟更低；用于控制外部光源、等设备
        printf("Now set IO output...\n");
        {
            // ch:切换LineSelector 为Line1 | en:Set LineSelector as Line1
            nRet = MV_CC_SetEnumValueByString(handle, "LineSelector", "Line1");
            if (MV_OK != nRet)
            {
                printf("Set line selector fail! nRet [0x%x]\n", nRet);
                break;
            }
            //ch: 输出源选择曝光开始 |en:Set LineSource as ExposureStartActive
            nRet = MV_CC_SetEnumValueByString(handle, "LineSource", "ExposureStartActive");
            if (MV_OK != nRet)
            {
                printf("Set LineSource  fail! nRet [0x%x]\n", nRet);
                break;
            }
            // ch:开启输出使能| en: Turn on StrobeEnable
            nRet = MV_CC_SetBoolValue(handle, "StrobeEnable", true);
            if (MV_OK != nRet)
            {
                printf("Set strobe enable fail! nRet [0x%x]\n", nRet);
                break;
            }

            // ch:设置输出线路持续时间（us） | en: Set StrobeLineDuration(us)
            nRet = MV_CC_SetIntValueEx(handle, "StrobeLineDuration", 0);
            if (MV_OK != nRet)
            {
                printf("Set line strobe line duration fail! nRet [0x%x]\n", nRet);
                break;
            }
            // ch:设置输出线路延迟（us） | en: Set StrobeLineDelay(us)
            nRet = MV_CC_SetIntValueEx(handle, "StrobeLineDelay", 0);
            if (MV_OK != nRet)
            {
                printf("Set line strobe line delay fail! nRet [0x%x]\n", nRet);
                break;
            }
            // ch:输出线路预延迟（us） | en: Set StrobeLinePreDelay(us)
            nRet = MV_CC_SetIntValueEx(handle, "StrobeLinePreDelay", 0);
            if (MV_OK != nRet)
            {
                printf("Set line strobe line pre-delay fail! nRet [0x%x]\n", nRet);
                break;
            }
           
        }

        // ch:注册抓图回调 | en:Register image callback
        nRet = MV_CC_RegisterImageCallBackEx(handle, ImageCallBackEx, handle);
        if (MV_OK != nRet)
        {
            printf("Register Image CallBack fail! nRet [0x%x]\n", nRet);
            break;
        }

        // ch:开始取流 | en:Start grab image
        nRet = MV_CC_StartGrabbing(handle);
        if (MV_OK != nRet)
        {
            printf("Start grabbing fail! nRet [0x%x]\n", nRet);
            break;
        }
        else
        {
            printf("Start grabbing success!\n");
        }

        printf("Press a key to stop.\n");
        PressEnterToExit();

        // ch:停止取流 | en:Stop grab image
        nRet = MV_CC_StopGrabbing(handle);
        if (MV_OK != nRet)
        {
            printf("Stop grabbing fail! nRet [0x%x]\n", nRet);
            break;
        }

        // ch:注销抓图回调 | en:Unregister image callback
        nRet = MV_CC_RegisterImageCallBackEx(handle, NULL, NULL);
        if (MV_OK != nRet)
        {
            printf("Unregister image callBack fail! nRet [0x%x]\n", nRet);
            break;
        }

        // ch:关闭设备 | Close device
        nRet = MV_CC_CloseDevice(handle);
        if (MV_OK != nRet)
        {
            printf("Close device fail! nRet [0x%x]\n", nRet);
            break;
        }

        // ch:销毁句柄 | Destroy handle
        nRet = MV_CC_DestroyHandle(handle);
        if (MV_OK != nRet)
        {
            printf("Destroy handle fail! nRet [0x%x]\n", nRet);
            break;
        }
        handle = NULL;
    } while (0);
 
    if (handle != NULL)
    {
        MV_CC_DestroyHandle(handle);
        handle = NULL;
    }
    

    // ch:反初始化SDK | en:Finalize SDK
    MV_CC_Finalize();

    return 0;
}