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November 2, 2010 16:11
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daq_test.cpp
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| // DAQROUTINES.CPP | |
| // | |
| // uses 32bit enh API | |
| // | |
| // This file contains functions created for the Daq* examples | |
| #include <windows.h> | |
| #include <stdio.h> | |
| #include <conio.h> | |
| #include <stdlib.h> | |
| #include <math.h> | |
| //#include "..\Cinclude\daqx.h" | |
| //#include "..\Cinclude\daqroutines.h" | |
| #include "Daqx.h" | |
| #include "DaqRoutines.h" | |
| DaqHandleT handle; | |
| DaqDeviceListT *devList; | |
| DaqDevicePropsT devProps; | |
| DWORD devCount, deviceMask; | |
| char *deviceName; | |
| BOOL deviceFound = FALSE; | |
| DWORD deviceIndex = 0; | |
| #include "daq_test.h" | |
| //GetDeviceName accepts a mask of compatible devices defined in daqroutines.h | |
| //It polls through the currently configured devices and returns the name of the | |
| //first one that is compatible as defined in the mask. The flag is overwritten | |
| //as the returned device type | |
| DWORD capabilityMask = daq2000DIO|daqboard; | |
| //char* GetDeviceName(DWORD& capabilityMask) //the device type is returned in the | |
| char* GetDeviceName() //the device type is returned in the | |
| //flag to aid in scaling | |
| { | |
| deviceName = ""; | |
| // Find out how many devices are installed and allocate memory for device list | |
| daqGetDeviceCount(&devCount); | |
| devList = (DaqDeviceListT*)malloc(sizeof(DaqDeviceListT)*devCount); | |
| // Get the names of all installed devices and the device count | |
| daqGetDeviceList(devList, &devCount); | |
| // Loop | |
| while ( (deviceIndex < devCount) && !deviceFound ) | |
| { | |
| daqGetDeviceProperties(devList[deviceIndex].daqName, &devProps); | |
| deviceMask = (DWORD)pow(2, devProps.deviceType); | |
| if ( capabilityMask & deviceMask ) | |
| { | |
| capabilityMask &= deviceMask; | |
| deviceName = devProps.daqName; | |
| deviceFound = TRUE; | |
| } | |
| deviceIndex++; | |
| } | |
| //release allocated memory | |
| free(devList); | |
| return deviceName; | |
| } |
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