When the thermometry mode is configured, you can start measure real-time temperature.
Make sure you have called NET_DVR_Init to initialize the development environment.
Make sure you have called NET_DVR_Login_V40 to log in to the device.
#include <stdio.h> #include <iostream> #include "Windows.h" #include "HCNetSDK.h" using namespace std; //Macro Definition of temporal resolution #define GET_YEAR(_time_) (((_time_)>>26) + 2000) #define GET_MONTH(_time_) (((_time_)>>22) & 15) #define GET_DAY(_time_) (((_time_)>>17) & 31) #define GET_HOUR(_time_) (((_time_)>>12) & 31) #define GET_MINUTE(_time_) (((_time_)>>6) & 63) #define GET_SECOND(_time_) (((_time_)>>0) & 63) int iNum=0; #define ISAPI_OUT_LEN 3 * 1024 * 1024 #define ISAPI_STATUS_LEN 8*1024 void CALLBACK GetThermInfoCallback(DWORD dwType, void* lpBuffer, DWORD dwBufLen, void* pUserData) { if (dwType == NET_SDK_CALLBACK_TYPE_DATA) { LPNET_DVR_THERMOMETRY_UPLOAD lpThermometry = new NET_DVR_THERMOMETRY_UPLOAD; memcpy(lpThermometry, lpBuffer, sizeof(*lpThermometry)); NET_DVR_TIME struAbsTime = {0}; struAbsTime.dwYear = GET_YEAR(lpThermometry->dwAbsTime); struAbsTime.dwMonth = GET_MONTH(lpThermometry->dwAbsTime); struAbsTime.dwDay = GET_DAY(lpThermometry->dwAbsTime); struAbsTime.dwHour = GET_HOUR(lpThermometry->dwAbsTime); struAbsTime.dwMinute = GET_MINUTE(lpThermometry->dwAbsTime); struAbsTime.dwSecond = GET_SECOND(lpThermometry->dwAbsTime); printf("Real-time temperature measurement result: byRuleID[%d]wPresetNo[%d]byRuleCalibType[%d]byThermometryUnit[d%]byDataType[d%]" "dwAbsTime[%4.4d%2.2d%2.2d%2.2d%2.2d%2.2d]\n", lpThermometry->byRuleID, lpThermometry->wPresetNo, lpThermometry->byRuleCalibType,lpThermometry->byThermometryUnit, lpThermometry->byDataType, struAbsTime.dwYear, struAbsTime.dwMonth, struAbsTime.dwDay, struAbsTime.dwHour, struAbsTime.dwMinute, struAbsTime.dwSecond); if(lpThermometry->byRuleCalibType==0) //Measure temperature by point { printf("Information of Measuring Temperature by Point: fTemperature[%d]\n", lpThermometry->struPointThermCfg.fTemperature); } if((lpThermometry->byRuleCalibType==1)||(lpThermometry->byRuleCalibType==2)) //Measure temperature by frame or line { printf("Information of Measuring Temperature by Frame or Line: fMaxTemperature[%d]fMinTemperature[%d]fAverageTemperature[%d]fTemperatureDiff[%d]\n", lpThermometry->struLinePolygonThermCfg.fMaxTemperature,lpThermometry->struLinePolygonThermCfg.fMinTemperature, lpThermometry->struLinePolygonThermCfg.fAverageTemperature,lpThermometry->struLinePolygonThermCfg.fTemperatureDiff); } if (lpThermometry != NULL) { delete lpThermometry; lpThermometry = NULL; } } else if (dwType == NET_SDK_CALLBACK_TYPE_STATUS) { DWORD dwStatus = *(DWORD*)lpBuffer; if (dwStatus == NET_SDK_CALLBACK_STATUS_SUCCESS) { printf("dwStatus:NET_SDK_CALLBACK_STATUS_SUCCESS\n"); } else if (dwStatus == NET_SDK_CALLBACK_STATUS_FAILED) { DWORD dwErrCode = *(DWORD*)((char *)lpBuffer + 4); printf("NET_DVR_GET_MANUALTHERM_INFO failed, Error code %d\n", dwErrCode); } } } void main() { DWORD dwChannel = 2; //Thermal imaging channel //--------------------------------------- //Initialize NET_DVR_Init(); //Set connected time and reconnected time NET_DVR_SetConnectTime(2000, 1); NET_DVR_SetReconnect(10000, true); //--------------------------------------- //Register device (it is not required when listening alarm) LONG lUserID; NET_DVR_DEVICEINFO_V30 struDeviceInfo; lUserID = NET_DVR_Login_V30("10.8.10.199 ", 8000, "admin", "abcd1234", &struDeviceInfo); if (lUserID < 0) { printf("Login error, %d\n", NET_DVR_GetLastError()); NET_DVR_Cleanup(); return; } //Enable real-time temperature measurement NET_DVR_REALTIME_THERMOMETRY_COND struThermCond = {0}; struThermCond.dwSize = sizeof(struThermCond); struThermCond.byRuleID = 1; //Rule ID, 0-Get All Rules, the ID starts from 1. struThermCond.dwChan = dwChannel; //Start from 1, 0xffffffff- Get All Channels LONG lHandle = NET_DVR_StartRemoteConfig(lUserID, NET_DVR_GET_REALTIME_THERMOMETRY, &struThermCond, sizeof(struThermCond), GetThermInfoCallback, NULL); if (lHandle >= 0) { printf("NET_DVR_GET_REALTIME_THERMOMETRY failed, error code: %d\n", NET_DVR_GetLastError()); } else { printf("NET_DVR_GET_REALTIME_THERMOMETRY is successful!"); } Sleep(5000); //Wait for receiving real-time temperature measurement result //Close the handle created by long connection configuration API, and release resource. if(!NET_DVR_StopRemoteConfig(lHandle)) { printf("NET_DVR_StopRemoteConfig failed, error code: %d\n", NET_DVR_GetLastError()); } //User logout, if the user is not login, skip this step. NET_DVR_Logout(lUserID); //Release SDK resource NET_DVR_Cleanup(); return; }
Call NET_DVR_Logout and NET_DVR_Cleanup to log out and release the resources.