double QxrdNIDAQPlugin::getAnalogInput(int chan) { QMutexLocker lock(&m_Mutex); int error; float64 res = 0; if (m_AITaskHandle) { DAQmxStopTask(m_AITaskHandle); DAQmxClearTask(m_AITaskHandle); m_AITaskHandle = 0; } if (chan >= 0) { DAQmxErrChk(DAQmxCreateTask("qxrd-input", &m_AITaskHandle)); DAQmxErrChk(DAQmxCreateAIVoltageChan (m_AITaskHandle, qPrintable(tr("Dev1/ai%1").arg(chan)), NULL, DAQmx_Val_Cfg_Default, -10.0, 10.0, DAQmx_Val_Volts, NULL)); if (m_AITaskHandle) { DAQmxErrChk(DAQmxReadAnalogScalarF64(m_AITaskHandle, 10.0, &res, NULL)); } } Error: return res; }
// constructor Tweezers::Tweezers(double iF0,double id0,double ic1,double ic2,double ic3,double Anti_Voltage, void* lpParam) { threadinfo* t = (threadinfo*)lpParam; // set calibration parameters F0 = iF0; d0 = id0; c1 = ic1; c2 = ic2; c3 = ic3; AV = Anti_Voltage; x4 = *t->x4; x3 = *t->x3; x2 = *t->x2; x1 = *t->x1; x0 = *t->x0; done = false; islate = false; residual = AV; tmp_residual = AV; trigdata[0][0] = 0; trigdata[1][0] = 1; // initialize device DAQmxResetDevice("Dev1"); // create and setup analog task DAQmxCreateTask("AO",&AOtaskHandle); DAQmxCreateAOVoltageChan(AOtaskHandle,"Dev1/ao0","",-10.0,10.0,DAQmx_Val_Volts,NULL); DAQmxGetExtendedErrorInfo(errBuff,2048); cerr<<errBuff; // create and reset start trigger // implicit timing => no start task... (?) DAQmxCreateTask("TR",&TRtaskHandle); DAQmxCreateDOChan(TRtaskHandle,"Dev1/port0/line7","TR",DAQmx_Val_ChanForAllLines); DAQmxWriteDigitalLines(TRtaskHandle,1,1,10,DAQmx_Val_GroupByChannel,trigdata[0],&written,NULL); // create pulse channel for trigger DAQmxCreateTask("DO",&DOtaskHandle); DAQmxCreateCOPulseChanTime(DOtaskHandle,"Dev1/Ctr0","",DAQmx_Val_Seconds,DAQmx_Val_Low,1E-3*(*t->wait),1E-3*(*t->delta)/2.0,1E-3*(*t->delta/2.0)); DAQmxCreateTask("AI",&AItaskHandle); DAQmxCreateAIVoltageChan(AItaskHandle,"Dev1/ai0,Dev1/ai2","",DAQmx_Val_RSE,-10,+10,DAQmx_Val_Volts,NULL); DAQmxGetExtendedErrorInfo(errBuff,2048); cerr<<errBuff; // set to zero force Reset(); }
DAQManager::DAQManager() { stateCount = 8; states = new uInt32[stateCount]; states[0] = 0x8; states[1] = 0xC; states[2] = 0x4; states[3] = 0x6; states[4] = 0x2; states[5] = 0x3; states[6] = 0x1; states[7] = 0x9; stateNum = 0; dataAcquired = 0; voltageData = new float64[SAMPLE_COUNT]; #ifdef _WIN32 DAQmxCreateTask("", &motorTaskHandle); DAQmxCreateTask("", &adcTaskHandle); DAQmxCreateTask("", &triggerTaskHandle); DAQmxCreateDOChan(motorTaskHandle, "Dev1/port0", "", DAQmx_Val_ChanForAllLines); DAQmxCreateDOChan(triggerTaskHandle, "Dev1/port1", "", DAQmx_Val_ChanForAllLines); DAQmxCreateAIVoltageChan(adcTaskHandle, "Dev1/ai0", "", DAQmx_Val_Cfg_Default, -10.0, 10.0, DAQmx_Val_Volts, NULL); DAQmxCfgSampClkTiming(adcTaskHandle, "", SAMPLE_FREQ, DAQmx_Val_Rising, DAQmx_Val_FiniteSamps, SAMPLE_COUNT); DAQmxCfgDigEdgeStartTrig(adcTaskHandle, "/Dev1/PFI0", DAQmx_Val_Rising); DAQmxRegisterEveryNSamplesEvent(adcTaskHandle, DAQmx_Val_Acquired_Into_Buffer, 1000, 0, EveryNCallbackWrapper, this); DAQmxStartTask(motorTaskHandle); DAQmxStartTask(triggerTaskHandle); uInt32 data; int32 written; data = states[0]; DAQmxWriteDigitalU32(motorTaskHandle, 1, 1, 10.0, DAQmx_Val_GroupByChannel, &data, &written, NULL); data=0x0; DAQmxWriteDigitalU32(triggerTaskHandle, 1, 1, 10.0, DAQmx_Val_GroupByChannel, &data, &written, NULL); #elif __APPLE__ DAQmxBaseCreateTask("motorTask", &motorTaskHandle); DAQmxBaseCreateDOChan(motorTaskHandle, "Dev1/port0", "", DAQmx_Val_ChanForAllLines); DAQmxBaseStartTask(motorTaskHandle); DAQmxBaseCreateTask("adcTask", &adcTaskHandle); DAQmxBaseCreateAIVoltageChan(adcTaskHandle, "Dev1/ai0", "", DAQmx_Val_Cfg_Default, -10.0, 10.0, DAQmx_Val_Volts, NULL); DAQmxBaseCfgSampClkTiming(adcTaskHandle,"OnboardClock", SAMPLE_FREQ, DAQmx_Val_Rising, DAQmx_Val_ContSamps, SAMPLE_COUNT); DAQmxBaseCfgInputBuffer(adcTaskHandle,0); DAQmxBaseStartTask(adcTaskHandle); uInt32 data; int32 written; data = states[0]; DAQmxBaseWriteDigitalU32(motorTaskHandle, 1, 1, 10.0, DAQmx_Val_GroupByChannel, &data, &written, NULL); #endif }
int32 ATIDAQHardwareInterface::ConfigSingleSampleTask( float64 sampleRate, int averaging, const std::string & deviceName, int firstChannel, int numChannels, int minVoltage, int maxVoltage ) { int32 retVal; /*the return value*/ /*we have to use unmanaged c-style strings in here because that's what the NI-DAQmx C Library uses*/ char channelString[WHOLE_LOTTA_CHARACTERS]; /*the channel string, of format "Dev1/ai0:5"*/ /*set up member data*/ m_f64SamplingFrequency = sampleRate; m_uiAveragingSize = ( averaging > 0 )? averaging : 1; /*averaging must be at least 1*/ m_sDeviceName = deviceName; m_uiFirstChannel = firstChannel; m_uiNumChannels = numChannels; m_iMinVoltage = minVoltage; m_iMaxVoltage = maxVoltage; unsigned int numSamplesPerChannel = m_uiAveragingSize; /*the number of samples per channel that daqmx is configured with*/ /*in a perfect world, NI-DAQmx would allow us to set up single scan acquisitions, but they don't. even if we were to make the single sample task a finite sample task, they still require you to use at least 2 samples per channel. Therefore, we pass daqmx a number of samples per channel that it will accept, and then set up our task to only read the most recent samples*/ if ( MIN_SAMPLES_PER_CHANNEL > numSamplesPerChannel ) numSamplesPerChannel = MIN_SAMPLES_PER_CHANNEL; ati_Channel_Name_Format( channelString, m_sDeviceName ); /* Format the channel name for niDAQmx */ /*if the following confuses you, I suggest you read the NI-DAQmx C Reference Help, included with NI-DAQmx*/ StopCollection(); /*stop currently running task*/ /*if any function fails (returns non-zero), don't execute any more daqmx functions*/ /*create the daqmx task*/ if( !( retVal = DAQmxCreateTask( "", m_thDAQTask ) ) ) /*add the analog input channels to the task - july.22.2005 - ss - now uses m_iConnectionMode*/ if( !( retVal = DAQmxCreateAIVoltageChan( *m_thDAQTask, channelString, "", m_iConnectionMode, m_iMinVoltage, m_iMaxVoltage, DAQmx_Val_Volts, NULL ) ) ) /*set up timing for the task*/ if( !( retVal = DAQmxCfgSampClkTiming( *m_thDAQTask, NULL, m_f64SamplingFrequency, DAQmx_Val_Rising, DAQmx_Val_ContSamps, numSamplesPerChannel ) ) ) /*set read position relative to next sample to be read*/ if( !( retVal = DAQmxSetReadRelativeTo( *m_thDAQTask, DAQmx_Val_MostRecentSamp ) ) ) /*offset of -1 from the next sample, meaning we read the most recent sample*/ if( !( retVal = DAQmxSetReadOffset( *m_thDAQTask, 0 ) ) ) /*start the task*/ retVal = DAQmxStartTask( *m_thDAQTask ); return retVal; }
// when I tried to set the channels from c#, first channel set fine, but second one gets error. no freaking idea, so hardcoded it. //int EXPORT_API EOGSetChannel(const char *channel) TaskHandle EXPORT_API EOGSetChannel() { int32 error = 0; char errBuff[2048] = { '\0' }; /*********************************************/ // DAQmx Configure Code /*********************************************/ DAQmxErrChk(DAQmxCreateAIVoltageChan(taskHandle, "Dev1/ai3", "", DAQmx_Val_Cfg_Default, -5.0, 5.0, DAQmx_Val_Volts, NULL)); DAQmxErrChk(DAQmxCreateAIVoltageChan(taskHandle, "Dev1/ai4", "", DAQmx_Val_Cfg_Default, -5.0, 5.0, DAQmx_Val_Volts, NULL)); // DAQmxErrChk(DAQmxCreateAIVoltageChan(taskHandle, channel, "", DAQmx_Val_Cfg_Default, -5.0, 5.0, DAQmx_Val_Volts, NULL)); return taskHandle; //return 1; Error: if (DAQmxFailed(error)) { DAQmxGetExtendedErrorInfo(errBuff, 2048); Cleanup(); printf("DAQmx Error: %s\n", errBuff); } return 0; }
int main(void) { int32 error=0; TaskHandle taskHandle=0; int32 read; float64 data[1000]; char errBuff[2048]={'\0'}; int i; /*********************************************/ // DAQmx Configure Code /*********************************************/ DAQmxErrChk (DAQmxCreateTask("",&taskHandle)); DAQmxErrChk (DAQmxCreateAIVoltageChan(taskHandle,"Dev1/ai0","",DAQmx_Val_Cfg_Default,-10.0,10.0,DAQmx_Val_Volts,NULL)); DAQmxErrChk (DAQmxCfgSampClkTiming(taskHandle,"",10000.0,DAQmx_Val_Rising,DAQmx_Val_FiniteSamps,1000)); /*********************************************/ // DAQmx Start Code /*********************************************/ DAQmxErrChk (DAQmxStartTask(taskHandle)); /*********************************************/ // DAQmx Read Code /*********************************************/ DAQmxErrChk (DAQmxReadAnalogF64(taskHandle,1000,10.0,DAQmx_Val_GroupByChannel,data,1000,&read,NULL)); printf("Acquired %d points\n",read); for (i = 0; i < 1000; i++) { printf ("data[%d] = %f\n", i, data[i]); } Error: if( DAQmxFailed(error) ) DAQmxGetExtendedErrorInfo(errBuff,2048); if( taskHandle!=0 ) { /*********************************************/ // DAQmx Stop Code /*********************************************/ DAQmxStopTask(taskHandle); DAQmxClearTask(taskHandle); } if( DAQmxFailed(error) ) printf("DAQmx Error: %s\n",errBuff); printf("End of program, press Enter key to quit\n"); getchar(); return 0; }
BOOL CForceChartDlg::DAQ(CString changeDeviceName, short changeFirstChannel) { TaskHandle taskHandle = 0; int32 read; CString cstrChannelList; cstrChannelList.Format( _T("/ai%d"), changeFirstChannel ); DAQmxCreateTask("AAencoderTask", &taskHandle); DAQmxCreateAIVoltageChan(taskHandle, changeDeviceName+cstrChannelList, "AAencoderChannel", DAQmx_Val_RSE, 0, 5, DAQmx_Val_Volts, NULL); //UpdateData(TRUE); DAQmxCfgSampClkTiming(taskHandle, "OnboardClock", 100, DAQmx_Val_Rising, DAQmx_Val_ContSamps, 20); //UpdateData(TRUE); DAQmxStartTask(taskHandle); DAQmxReadAnalogF64(taskHandle, 10, 0.2, DAQmx_Val_GroupByChannel, G0, 10, &read, NULL); DAQmxStopTask(taskHandle); DAQmxClearTask(taskHandle); return TRUE; }
/****************************************************************************** ** ** Démarage de la tache d'acquisition sur la voie passé en paramètre. ** ******************************************************************************/ int NI6211::startAquisition(char* _Voie) { int32 error=0; taskRead = new TaskHandle; /*------ DAQmx Configure Code Reading Task ------*/ DAQmxErrChk (DAQmxCreateTask("",taskRead)); DAQmxErrChk (DAQmxCreateAIVoltageChan(*taskRead,_Voie,"",DAQmx_Val_Diff,-0.2,0.2,DAQmx_Val_Volts,NULL)); //DAQmxErrChk (DAQmxCreateAIVoltageChan(*taskRead,_VoieO,"",DAQmx_Val_Diff,-0.2,0.2,DAQmx_Val_Volts,NULL)); DAQmxErrChk (DAQmxCfgSampClkTiming(*taskRead,"/Equilibreuse/PFI0",1000,DAQmx_Val_Rising,DAQmx_Val_ContSamps,1000)); DAQmxErrChk (DAQmxCfgDigEdgeStartTrig(*taskRead,"/Equilibreuse/PFI2",DAQmx_Val_Rising)); /*------ DAQmx Start Code ------*/ DAQmxErrChk (DAQmxStartTask(*taskRead)); Erreur: checkError(error); return error; }
int NiPci6220Config() { int32 error = 0; char errBuff[2048]; daq6220pvt.sampsPerChan = (uInt64)((daq6220pvt.t1 - daq6220pvt.t0) * daq6220pvt.rate); epicsPrintf("**** Initialize Task 6220 ****\n"); epicsPrintf("**** 6220 : sampsPerChan = %d****\n", daq6220pvt.sampsPerChan); DAQmxErrChk(DAQmxCreateTask("", &daq6220pvt.taskHandle)); DAQmxErrChk(DAQmxCreateAIVoltageChan(daq6220pvt.taskHandle, "Dev3/ai0:15","", daq6220pvt.terminalConfig, -10.0, 10.0, DAQmx_Val_Volts, NULL)); if(daq6220pvt.extMode == 1) { DAQmxErrChk(DAQmxCfgSampClkTiming(daq6220pvt.taskHandle, "/Dev3/PFI7", daq6220pvt.rate, DAQmx_Val_Rising, DAQmx_Val_FiniteSamps, daq6220pvt.sampsPerChan)); } else { DAQmxErrChk(DAQmxCfgSampClkTiming(daq6220pvt.taskHandle, "", daq6220pvt.rate, DAQmx_Val_Rising, DAQmx_Val_FiniteSamps, daq6220pvt.sampsPerChan)); } if(daq6220pvt.trigMode == 1) { DAQmxErrChk (DAQmxCfgDigEdgeStartTrig(daq6220pvt.taskHandle,"/Dev3/PFI0",DAQmx_Val_Rising)); DAQmxErrChk (DAQmxRegisterEveryNSamplesEvent(daq6220pvt.taskHandle,DAQmx_Val_Acquired_Into_Buffer,daq6220pvt.sampsPerChan,0,EveryNCallback,NULL)); DAQmxErrChk (DAQmxRegisterDoneEvent(daq6220pvt.taskHandle,0,DoneCallback,NULL)); } return 0; Error: if( DAQmxFailed(error) ) DAQmxGetExtendedErrorInfo(errBuff,2048); if( daq6220pvt.taskHandle!=0 ) { DAQmxStopTask(daq6220pvt.taskHandle); DAQmxClearTask(daq6220pvt.taskHandle); } if( DAQmxFailed(error) ) epicsPrintf("DAQmx Error(6220): %s\n",errBuff); return -1; }
//Gateway routine void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[]) { TaskHandle task,task2; float64 sampleRate = 100000; float64 acqTime = 5; uInt64 numSamples = (uInt64) sampleRate * acqTime; char chanName[128]; int32 sampsWritten; //Create the task DAQmxCreateTask("",&task); DAQmxCreateTask("",&task2); //Add AI channels to task DAQmxCreateAIVoltageChan(task, "Dev1/ai0:2", "ScanImageAcq", -1, -1, 1, DAQmx_Val_Volts, NULL); DAQmxCreateAOVoltageChan(task2, "Dev1/ao0:2", "ScanImageControl", -1, 1, DAQmx_Val_Volts, NULL); //Configure task timing DAQmxCfgSampClkTiming(task, NULL, 100000, DAQmx_Val_Rising, DAQmx_Val_FiniteSamps, numSamples); DAQmxCfgSampClkTiming(task2, NULL, 100000, DAQmx_Val_Rising, DAQmx_Val_FiniteSamps, numSamples); //Configure some task properties for (int i=0; i<2; i++) { sprintf_s(chanName, "Dev1/ai%d", i); DAQmxSetAIMax(task, chanName, 10); DAQmxSetAIMax(task, chanName, -10); } //Write some data DAQmxWriteAnalogF64(task, (int32) numSamples, false, -1, DAQmx_Val_GroupByChannel, outputData, &sampsWritten, NULL); //Screw it DAQmxClearTask(task); }
int32 ATIDAQHardwareInterface::ConfigBufferTask( float64 sampleRate, int averaging,const std::string &deviceName, int firstChannel, int numChannels, int minVoltage, int maxVoltage, int bufferSize ) { int32 retVal; /*the return value*/ /*we have to use unmanaged c-style strings in here because that's what the NI-DAQmx C Library uses*/ char channelString[1024]; /*the channel string, of format "Dev1/ai0:5"*/ /*set up member data*/ m_f64SamplingFrequency = sampleRate; m_uiAveragingSize = ( averaging > 0 )? averaging : 1; /*averaging must be at least 1*/ m_sDeviceName = deviceName; m_uiFirstChannel = firstChannel; m_uiNumChannels = numChannels; m_iMinVoltage = minVoltage; m_iMaxVoltage = maxVoltage; m_ulBufferedSize = bufferSize; unsigned int numSamplesPerChannel = m_uiAveragingSize * m_ulBufferedSize; /*the number of samples per channel that daqmx is configured with*/ /*NI-DAQmx requires a minimum number of samples per channel*/ if ( MIN_SAMPLES_PER_CHANNEL > numSamplesPerChannel ) numSamplesPerChannel = MIN_SAMPLES_PER_CHANNEL; ati_Channel_Name_Format( channelString, m_sDeviceName ); /* Format the channel name for niDAQmx */ /*if the following confuses you, I suggest you read the NI-DAQmx C Reference Help, included with NI-DAQmx*/ StopCollection(); /*stop any currently running task*/ /*if any function fails (returns non-zero), don't execute any more daqmx functions*/ /*create the daqmx task*/ if( !( retVal = DAQmxCreateTask( "", m_thDAQTask ) ) ) /*add the analog input channels to the task - july.22.2005 - ss - now uses m_iConnectionMode*/ if( !( retVal = DAQmxCreateAIVoltageChan( *m_thDAQTask, channelString, "", m_iConnectionMode, m_iMinVoltage, m_iMaxVoltage, DAQmx_Val_Volts, NULL ) ) ) /*set up timing for the task*/ if( !( retVal = DAQmxCfgSampClkTiming( *m_thDAQTask, NULL, m_f64SamplingFrequency, DAQmx_Val_Rising, DAQmx_Val_ContSamps, numSamplesPerChannel ) ) ) /*start the task*/ retVal = DAQmxStartTask( *m_thDAQTask ); return retVal; }
int start_daq (void) { int32 error=0; char errBuff[2048]={'\0'}; char str1[256],str2[256],trigName[256]; char devName[256]; float64 clkRate; int i; for (i = 0; i < DEV_NUM; i++) { sprintf (devName, "Dev%d/ai0", i+1); DAQmxErrChk2 ("CreateTask", DAQmxCreateTask("",&gTaskHandle[i])); DAQmxErrChk2 ("CreateAIVoltageChan" , DAQmxCreateAIVoltageChan(gTaskHandle[i],devName,"",DAQmx_Val_Cfg_Default,-10.0,10.0,DAQmx_Val_Volts,NULL)); DAQmxErrChk2 ("CfgSampClkTiming", DAQmxCfgSampClkTiming(gTaskHandle[i],"",10000.0,DAQmx_Val_Rising,DAQmx_Val_ContSamps,1000)); DAQmxErrChk2 ("CfgDigEdgeStartTrig", DAQmxCfgDigEdgeStartTrig(gTaskHandle[i],TRIG_NAME,DAQmx_Val_Rising)); DAQmxErrChk2 ("RegisterEveryNSamplesEvent", DAQmxRegisterEveryNSamplesEvent(gTaskHandle[i],DAQmx_Val_Acquired_Into_Buffer,1000,0,EveryNCallback,NULL)); DAQmxErrChk2 ("RegisterDoneEvent", DAQmxRegisterDoneEvent(gTaskHandle[i],0,DoneCallback,NULL)); printf ("Dev(%s) : Task(%u) was created \n", devName, gTaskHandle[i]); } for (i = 0; i < DEV_NUM; i++) { gReadTotal[i] = 0; printf ("start task%d(%u) ...\n", i+1, gTaskHandle[i]); DAQmxErrChk2 ("StartTask", DAQmxStartTask(gTaskHandle[i])); } printf("Acquiring samples continuously. Press Enter to interrupt\n"); printf("\nHandle:\tTotal:\tDev1\tDev2\tDev3\n"); getchar(); Error: if( DAQmxFailed(error) ) { DAQmxGetExtendedErrorInfo(errBuff,2048); printf("DAQmx Error: %u(0x%x), %s\n", error, error, errBuff); } /*********************************************/ // DAQmx Stop Code /*********************************************/ for (i = 0; i < DEV_NUM; i++) { if( gTaskHandle[i] ) { printf ("stop task%d (%u) ...\n", i+1, gTaskHandle[i]); DAQmxStopTask(gTaskHandle[i]); DAQmxClearTask(gTaskHandle[i]); gTaskHandle[i] = 0; } } if( DAQmxFailed(error) ) { printf("DAQmx Error: %u(0x%x), %s\n", error, error, errBuff); } printf("End of program. Press enter to restart ... \n"); getchar(); return 0; }
motorControl::motorControl(double offset1, double offset2) { encoderBias[0] = encoderBias[1] = 0; encoderGain[0] = encoderGain[1] = 0; I = 4; cortexVoluntaryAmp = 10000; cortexVoluntaryFreq = 0.25; char errBuff[2048]={'\0'}; int32 error=0; angle = 0; velocity = 0; trialTrigger = 0; gammaStatic1 = 0; gammaDynamic1 = 0; gammaStatic2 = 0; gammaDynamic2 = 0; cortexDrive[0] = 0; cortexDrive[1] = 0; spindleIa[0] = 0; spindleII[0] = 0; spindleIa[1] = 0; spindleII[1] = 0; isEnable = FALSE; isWindUp = FALSE; isControlling = FALSE; live = FALSE; loadCellOffset1 = offset1; loadCellOffset2 = offset2; loadCellData[0] = 0; loadCellData[1] = 0; motorRef[0] = 4; motorRef[1] = 4; encoderData1[0] = 0; encoderData2[0] = 0; resetMuscleLength = TRUE; muscleLengthPreviousTick[0] = 1; muscleLengthPreviousTick[1] = 1; muscleLengthOffset [0] = 0; muscleLengthOffset [1] = 0; strcpy(header,"Time, Exp Prot, Len1, Len2, ForcMeas1, ForcMeas2,"); if (dataAcquisitionFlag[0]){ strcat (header, ", ForceDes1, ForceDes2"); } if (dataAcquisitionFlag[1]){ strcat (header, ", EMG1, EMG2"); } if (dataAcquisitionFlag[2]){ strcat (header, ", Ia1, Ia2"); } if (dataAcquisitionFlag[3]){ strcat (header, ", II1, II2"); } if (dataAcquisitionFlag[4]){ strcat (header, ", Spike Count1, Spike Count2"); } if (dataAcquisitionFlag[5]){ strcat (header, ", Raster 1-1, Raster 2-1"); } if (dataAcquisitionFlag[6]){ strcat (header, ", Raster 1-2, Raster 2-2"); } if (dataAcquisitionFlag[7]){ strcat (header, ", Raster 1-3, Raster 2-3"); } if (dataAcquisitionFlag[8]){ strcat (header, ", Raster 1-4, Raster 2-4"); } if (dataAcquisitionFlag[9]){ strcat (header, ", Raster 1-5, Raster 2-5"); } if (dataAcquisitionFlag[10]){ strcat (header, ", Raster 1-6, Raster 2-6"); } char dataTemp[100]=""; strcat(header,"\n"); sprintf(dataTemp,"%d,%d,%d,%d,",dataAcquisitionFlag[0],dataAcquisitionFlag[1],dataAcquisitionFlag[2],dataAcquisitionFlag[3]); strcat(header,dataTemp); sprintf(dataTemp,"%d,%d,%d,%d,",dataAcquisitionFlag[4],dataAcquisitionFlag[5],dataAcquisitionFlag[6],dataAcquisitionFlag[7]); strcat(header,dataTemp); sprintf(dataTemp,"%d,%d,%d,%d\n",dataAcquisitionFlag[8],dataAcquisitionFlag[9],dataAcquisitionFlag[10],dataAcquisitionFlag[11]); strcat(header,dataTemp); DAQmxErrChk (DAQmxCreateTask("",&loadCelltaskHandle)); DAQmxErrChk (DAQmxCreateAIVoltageChan(loadCelltaskHandle,"PXI1Slot5/ai8","loadCell1",DAQmx_Val_RSE,loadCellMinVoltage,loadCellMaxVoltage,DAQmx_Val_Volts,NULL)); DAQmxErrChk (DAQmxCreateAIVoltageChan(loadCelltaskHandle,"PXI1Slot5/ai9","loadCell2",DAQmx_Val_RSE,loadCellMinVoltage,loadCellMaxVoltage,DAQmx_Val_Volts,NULL)); //DAQmxErrChk (DAQmxCreateAIVoltageChan(loadCelltaskHandle,"PXI1Slot5/ai16","ACC z",DAQmx_Val_RSE,loadCellMinVoltage,loadCellMaxVoltage,DAQmx_Val_Volts,NULL)); //DAQmxErrChk (DAQmxCreateAIVoltageChan(loadCelltaskHandle,"PXI1Slot5/ai17","ACC y",DAQmx_Val_RSE,loadCellMinVoltage,loadCellMaxVoltage,DAQmx_Val_Volts,NULL)); //DAQmxErrChk (DAQmxCreateAIVoltageChan(loadCelltaskHandle,"PXI1Slot5/ai18","ACC x",DAQmx_Val_RSE,loadCellMinVoltage,loadCellMaxVoltage,DAQmx_Val_Volts,NULL)); //DAQmxErrChk (DAQmxCreateAIVoltageChan(loadCelltaskHandle,"PXI1Slot5/ai19","Side LoadCell1",DAQmx_Val_RSE,loadCellMinVoltage,loadCellMaxVoltage,DAQmx_Val_Volts,NULL)); //DAQmxErrChk (DAQmxCreateAIVoltageChan(loadCelltaskHandle,"PXI1Slot5/ai20","Side LoadCell2",DAQmx_Val_RSE,loadCellMinVoltage,loadCellMaxVoltage,DAQmx_Val_Volts,NULL)); DAQmxErrChk (DAQmxCfgSampClkTiming(loadCelltaskHandle,"",controlFreq,DAQmx_Val_Rising,DAQmx_Val_HWTimedSinglePoint,NULL)); DAQmxErrChk (DAQmxSetRealTimeConvLateErrorsToWarnings(loadCelltaskHandle,1)); DAQmxErrChk (DAQmxCreateTask("",&motorTaskHandle)); DAQmxErrChk (DAQmxCreateAOVoltageChan(motorTaskHandle,"PXI1Slot2/ao9","motor1",motorMinVoltage,motorMaxVoltage,DAQmx_Val_Volts,NULL)); DAQmxErrChk (DAQmxCreateAOVoltageChan(motorTaskHandle,"PXI1Slot2/ao11","motor2",motorMinVoltage,motorMaxVoltage,DAQmx_Val_Volts,NULL)); DAQmxErrChk (DAQmxCreateAOVoltageChan(motorTaskHandle,"PXI1Slot2/ao31","speaker",motorMinVoltage,motorMaxVoltage,DAQmx_Val_Volts,NULL)); DAQmxErrChk (DAQmxCfgSampClkTiming(motorTaskHandle,"",controlFreq,DAQmx_Val_Rising,DAQmx_Val_HWTimedSinglePoint,1)); DAQmxErrChk (DAQmxCreateTask("",&motorEnableHandle)); DAQmxErrChk (DAQmxCreateDOChan(motorEnableHandle,"PXI1Slot2/port0","motorEnable",DAQmx_Val_ChanForAllLines)); DAQmxErrChk (DAQmxCreateTask("",&encodertaskHandle[0])); DAQmxErrChk (DAQmxCreateCIAngEncoderChan(encodertaskHandle[0],"PXI1Slot3/ctr7","Enoder 1",DAQmx_Val_X4,0,0.0,DAQmx_Val_AHighBHigh,DAQmx_Val_Degrees,encoderPulsesPerRev,0.0,"")); DAQmxErrChk (DAQmxCfgSampClkTiming(encodertaskHandle[0],"/PXI1Slot5/ai/SampleClock",controlFreq,DAQmx_Val_Rising,DAQmx_Val_HWTimedSinglePoint,1)); DAQmxErrChk (DAQmxCreateTask("",&encodertaskHandle[1])); DAQmxErrChk (DAQmxCreateCIAngEncoderChan(encodertaskHandle[1],"PXI1Slot3/ctr3","Enoder 2",DAQmx_Val_X4,0,0.0,DAQmx_Val_AHighBHigh,DAQmx_Val_Degrees,encoderPulsesPerRev,0.0,"")); DAQmxErrChk (DAQmxCfgSampClkTiming(encodertaskHandle[1],"/PXI1Slot5/ai/SampleClock",controlFreq,DAQmx_Val_Rising,DAQmx_Val_HWTimedSinglePoint,1)); Error: if( DAQmxFailed(error) ) { DAQmxGetExtendedErrorInfo(errBuff,2048); DAQmxClearTask(motorTaskHandle); DAQmxClearTask(loadCelltaskHandle); DAQmxClearTask(motorEnableHandle); printf("DAQmx Error: %s\n",errBuff); printf("Motor, load cell or encoder initialization error\n"); } }
int start_daq (void) { int32 error=0; char errBuff[2048]={'\0'}; int i; for (i = 0; i < getNumOfDev(); i++) { printf ("\n------------------------------------------------------------\n"); printf ("Create Task for Dev(%s)\n", gTaskInfoList[i].devName); DAQmxErrChk2 ("CreateTask", DAQmxCreateTask("",&gTaskInfoList[i].nTaskHandle)); DAQmxErrChk2 ("CreateAIVoltageChan" , DAQmxCreateAIVoltageChan(gTaskInfoList[i].nTaskHandle, gTaskInfoList[i].chName,"",DAQmx_Val_Cfg_Default,-10.0,10.0,DAQmx_Val_Volts,NULL)); DAQmxErrChk2 ("CfgSampClkTiming", DAQmxCfgSampClkTiming(gTaskInfoList[i].nTaskHandle,"",10000.0,DAQmx_Val_Rising,DAQmx_Val_ContSamps,1000)); //DAQmxErrChk2 ("SetRefClkSrc", DAQmxSetRefClkSrc(gTaskInfoList[i].nTaskHandle,"PXI_Clk1")); //DAQmxErrChk2 ("SetRefClkRate", DAQmxSetRefClkRate(gTaskInfoList[i].nTaskHandle,10000000.0)); DAQmxErrChk2 ("CfgDigEdgeStartTrig", DAQmxCfgDigEdgeStartTrig(gTaskInfoList[i].nTaskHandle,gTaskInfoList[i].trigName,DAQmx_Val_Rising)); DAQmxErrChk2 ("RegisterEveryNSamplesEvent", DAQmxRegisterEveryNSamplesEvent(gTaskInfoList[i].nTaskHandle,DAQmx_Val_Acquired_Into_Buffer,1000,0,EveryNCallback,NULL)); DAQmxErrChk2 ("RegisterDoneEvent", DAQmxRegisterDoneEvent(gTaskInfoList[i].nTaskHandle,0,DoneCallback,NULL)); printf ("Dev(%s) : Task(%u) was created \n", gTaskInfoList[i].devName, gTaskInfoList[i].nTaskHandle); } printf ("\n------------------------------------------------------------\n"); for (i = 0; i < getNumOfDev(); i++) { gTaskInfoList[i].nReadTotal = 0; DAQmxErrChk2 ("StartTask", DAQmxStartTask(gTaskInfoList[i].nTaskHandle)); } printf ("\n------------------------------------------------------------\n"); printf("Acquiring samples continuously. Press Enter to interrupt\n"); printf("\nHandle:\tTotal:\tDev1\tDev2\tDev3\n"); getchar(); Error: if( DAQmxFailed(error) ) { DAQmxGetExtendedErrorInfo(errBuff,2048); printf("DAQmx Error: %u(0x%x), %s\n", error, error, errBuff); } /*********************************************/ // DAQmx Stop Code /*********************************************/ for (i = 0; i < getNumOfDev(); i++) { if( gTaskInfoList[i].nTaskHandle ) { printf ("stop task%d (%u) ...\n", i+1, gTaskInfoList[i].nTaskHandle); DAQmxStopTask(gTaskInfoList[i].nTaskHandle); DAQmxClearTask(gTaskInfoList[i].nTaskHandle); gTaskInfoList[i].nTaskHandle = 0; } } if( DAQmxFailed(error) ) { printf("DAQmx Error: %u(0x%x), %s\n", error, error, errBuff); } printf("End of program. Press enter to restart ... \n"); getchar(); return 0; }
int main(int argc, char *argv[]){ int sampletime = 1; // in s int numSamples; int32 error = 0; TaskHandle taskHandle = 0; int32 read; float64 *data; char filename[2048] = {'\0'}; char errBuff[2048] = {'\0'}; int recording = 1; float64 state = -10; // used to detect edge FILE *pFile; // file id for output twophoton times file if(argc<2){ customerror("Not enough arguments given."); } sampletime = atoi( argv[1]); if(sampletime<1){ customerror("Sampletime given is incorrect."); } strncpy(filename,argv[2],2048); // calculate number of samples needed numSamples = sampletime *(int) (SAMPLE_FREQUENCY+1); // allocating buffer data = (float64*)malloc( numSamples *sizeof( float64 )); // open file pFile = fopen(filename,"w"); if (pFile==NULL){ customerror("Failed to open %s", filename); } /* char curdir[FILENAME_MAX]; memset(curdir, 0, sizeof(curdir)); if (!GetCurrentDir(curdir, sizeof(curdir))) { customerror("Couldn't get current directory!"); } printf("Current directory: %s\n", curdir); */ printf("Filename: %s\n", filename); // DAQmx Configure Code printf("DAQmx Configure Code\n"); DAQmxErrChk (DAQmxCreateTask("",&taskHandle)); DAQmxErrChk (DAQmxCreateAIVoltageChan(taskHandle,"Dev1/ai0","",DAQmx_Val_Cfg_Default,-10.0,10.0,DAQmx_Val_Volts,NULL)); DAQmxErrChk (DAQmxCfgSampClkTiming(taskHandle,"",SAMPLE_FREQUENCY,DAQmx_Val_Rising,DAQmx_Val_FiniteSamps,numSamples)); //DAQmxErrChk (DAQmxCfgDigEdgeStartTrig(taskHandle,"/Dev1/PFI0",DAQmx_Val_Rising)); //DAQmxErrChk (DAQmxCfgDigEdgeRefTrig(taskHandle,"/Dev1/PFI0",DAQmx_Val_Rising,100)); // DAQmx Start Code printf("DAQmx Start Code\n"); DAQmxErrChk (DAQmxStartTask(taskHandle)); printf("Acquiring for %d seconds a total of %d samples at %f Hz\n", sampletime, numSamples, SAMPLE_FREQUENCY); // DAQmx Read Code printf("DAQmx Read Code\n"); DAQmxErrChk (DAQmxReadAnalogF64(taskHandle,-1,sampletime+1,0,data,numSamples,&read,NULL)); printf("read = %d\n",read); parse_times(data, read, &state, pFile); if( read<numSamples ){ customerror("Error occurred. Acquired fewer than the requested number of samples. "); } printf("Acquired %d points\n",read); Error: if( DAQmxFailed(error) ) DAQmxGetExtendedErrorInfo(errBuff,2048); if( taskHandle!=0 ) { // DAQmx Stop Code DAQmxStopTask(taskHandle); DAQmxClearTask(taskHandle); } if( DAQmxFailed(error) ) printf("DAQmx Error: %s\n",errBuff); free(data); fclose(pFile); //printf("End of program, press Enter key to quit\n"); //getchar(); return 0; }
// from ConfigDAQmxTasks(float xVolts, float yVolts, ScanStructure scanStructure); int LifetimeAcq::configDAQmxTasks(float xVolts, float yVolts, ScanEngine* scanStruct) { int error; int retVal; char errBuff[2048]; double voltagePair[2]; //extern Trig_Channel; voltagePair[0] = (double)xVolts; voltagePair[1] = (double)yVolts; //_____DAQmx Configure Code________________________________________________________________ //_____Setup analog output task_____ DAQmxErrChk (DAQmxCreateTask("AnalogOuput",&aoTaskHandle)); DAQmxErrChk (DAQmxCreateAOVoltageChan (aoTaskHandle, scanStruct->getXChan(), "xChan", -2.0, 2.0, DAQmx_Val_Volts, NULL)); DAQmxErrChk (DAQmxCreateAOVoltageChan (aoTaskHandle, scanStruct->getYChan(), "yChan", -2.0, 2.0, DAQmx_Val_Volts, NULL)); DAQmxErrChk (DAQmxWriteAnalogF64 (aoTaskHandle, 1, 1, 10, DAQmx_Val_GroupByChannel, voltagePair, DAQmx_Val_GroupByChannel, NULL)); //_____Setup Analog input task_____ DAQmxErrChk (DAQmxCreateTask("TrigAcq",&acqTaskHandle)); /*Add analog input channel to acqtask*/ DAQmxErrChk (DAQmxCreateAIVoltageChan(acqTaskHandle, ACQ_CHANNEL, "PMT", DAQmx_Val_RSE,ACQMIN, ACQMAX, DAQmx_Val_Volts,NULL)); /*config analog input to use counter output as sample clock and continuous samps*/ DAQmxErrChk (DAQmxCfgSampClkTiming (acqTaskHandle, SAMPCLK_CHANNEL, SAMP_RATE, DAQmx_Val_Rising, DAQmx_Val_ContSamps, totSamps)); /*Make buffer size slightly larger than default*/ DAQmxErrChk (DAQmxSetBufferAttribute (acqTaskHandle, DAQmx_Buf_Input_BufSize, totSamps+1000)); //_____Setup counter task_____ DAQmxErrChk (DAQmxCreateTask ("couterOutTask", &ctrTaskHandle)); /*Add counter clock to counter task*/ DAQmxErrChk (DAQmxCreateCOPulseChanFreq (ctrTaskHandle, COUNTER_CHANNEL, "coChannel", DAQmx_Val_Hz,DAQmx_Val_Low, 0, SAMP_RATE, 0.5)); /*config clock for counter output task to generate correct numSamps*/ DAQmxErrChk (DAQmxCfgImplicitTiming (ctrTaskHandle, DAQmx_Val_FiniteSamps, numSamps)); /*Config triggering of counter task*/ DAQmxErrChk (DAQmxCfgDigEdgeStartTrig (ctrTaskHandle, TRIG_CHANNEL, DAQmx_Val_Rising)); DAQmxErrChk (DAQmxSetTrigAttribute (ctrTaskHandle, DAQmx_StartTrig_Retriggerable, TRUE)); return 1; Error: if( DAQmxFailed(error) ) DAQmxGetExtendedErrorInfo(errBuff,2048); retVal = this->stopTasks(); //if( DAQmxFailed(error) ) // MessagePopup("DAQmx Error",errBuff); return 0; }