Commit: 5ed12a22b36b73a0e3f758ef86d017a33046861b - QtSimpleDAQ_CO_PulseGen (git)

QtSDK と NI-DAQmxBase (Linux) を使った単純なサンプル

Commit MetaInfo

• Revision: 5ed12a22b36b73a0e3f758ef86d017a33046861b (tree)
• Zeit: 2012-08-23 11:02:53
• Autor: arakaki <alucky4416@user...>
• Commiter: arakaki

Log Message

CHG: Worked. Pulse output on/off, and Change Freq, Duty when while
PulseOutput.

Ändern Zusammenfassung

• modified: daqthread.cpp

Diff

--- a/daqthread.cpp
+++ b/daqthread.cpp
@@ -62,25 +62,11 @@ void DAQThread::run()
     DAQmxBaseGetDevSerialNum("Dev1", &serialnumber);
     qDebug() << QString("%1 SerialNumber is 0x%2").arg("Dev1").arg(serialnumber, 8, 16, QChar('0'));
 
+//    DAQmxBaseResetDevice("Dev1");
+
     // signal - daqmxbase ready
     emit daqmxbase_ready();
 
-#if 0
-    /*********************************************/
-    // DAQmx Configure Code
-    /*********************************************/
-    DAQmxErrChk (DAQmxBaseCreateTask("", &taskHandle));
-    //    int32 DAQmxBaseCreateCOPulseChanFreq (TaskHandle taskHandle, const char counter[ ], const char nameToAssignToChannel[ ], int32 units, int32 idleState, float64 initialDelay, float64 freq, float64 dutyCycle);
-    DAQmxErrChk (DAQmxBaseCreateCOPulseChanFreq (taskHandle, ctrname, "", DAQmx_Val_Hz, DAQmx_Val_Low, (float64)0.0, pulse_freq, pulse_ducy));
-
-    //    int32 DAQmxBaseCfgImplicitTiming (TaskHandle taskHandle, int32 sampleMode, uInt64 sampsPerChanToAcquire);
-    DAQmxErrChk (DAQmxBaseCfgImplicitTiming (taskHandle, DAQmx_Val_ContSamps, (uInt64)0));
-    /*********************************************/
-    // DAQmx Start Code
-    /*********************************************/
-    DAQmxBaseStartTask(taskHandle);
-#endif
-
     while(!stopped) {
         if (EvtQue->isEmpty()) {
             msleep(100);
@@ -91,34 +77,36 @@ void DAQThread::run()
         switch (state) {
         case State_IDLE:
             if (event == Ev_Start) {
-//                qDebug() << "start pulse output."; // start Pulse output
                 qDebug() << QString("start pulse output: freq = %1, ducy = %2").arg(pulse_freq).arg(pulse_duty);
                 //    int32 DAQmxBaseCreateCOPulseChanFreq (TaskHandle taskHandle, const char counter[ ], const char nameToAssignToChannel[ ], int32 units, int32 idleState, float64 initialDelay, float64 freq, float64 dutyCycle);
                 DAQmxErrChk (DAQmxBaseCreateTask("", &taskHandle));
                 DAQmxErrChk (DAQmxBaseCreateCOPulseChanFreq (taskHandle, ctrname, "", DAQmx_Val_Hz, DAQmx_Val_Low, (float64)0.0, pulse_freq, pulse_duty));
                 //    int32 DAQmxBaseCfgImplicitTiming (TaskHandle taskHandle, int32 sampleMode, uInt64 sampsPerChanToAcquire);
                 DAQmxErrChk (DAQmxBaseCfgImplicitTiming (taskHandle, DAQmx_Val_ContSamps, (uInt64)0));
-                // msleep(100);
                 DAQmxErrChk (DAQmxBaseStartTask (taskHandle));
                 state = State_OUTPUT;
             }
             break;
         case State_OUTPUT:
             if (event == Ev_Stop) {
-                qDebug() << "stop pulse output.";; // stop Pulse
+                qDebug() << "stop pulse output."; // stop Pulse
                 DAQmxErrChk (DAQmxBaseStopTask (taskHandle));
+                msleep(200);
                 DAQmxErrChk (DAQmxBaseClearTask (taskHandle));
+                taskHandle = 0;
                 state = State_IDLE;
             } else if (event == Ev_ChgPulse) {
-                qDebug() << "change pulse freq, ducy.";; // change Pulse Freq, Ducy
+                qDebug() << QString("change pulse freq, duty : freq = %1, ducy = %2").arg(pulse_freq).arg(pulse_duty);
                 DAQmxErrChk (DAQmxBaseStopTask (taskHandle));
+                msleep(200);
                 DAQmxErrChk (DAQmxBaseClearTask (taskHandle));
-//                msleep(100);
+                taskHandle = 0;
+                // msleep(200);
                 DAQmxErrChk (DAQmxBaseCreateTask("", &taskHandle));
                 //    int32 DAQmxBaseCreateCOPulseChanFreq (TaskHandle taskHandle, const char counter[ ], const char nameToAssignToChannel[ ], int32 units, int32 idleState, float64 initialDelay, float64 freq, float64 dutyCycle);
                 DAQmxErrChk (DAQmxBaseCreateCOPulseChanFreq (taskHandle, ctrname, "", DAQmx_Val_Hz, DAQmx_Val_Low, (float64)0.0, pulse_freq, pulse_duty));
                 //    int32 DAQmxBaseCfgImplicitTiming (TaskHandle taskHandle, int32 sampleMode, uInt64 sampsPerChanToAcquire);
-                DAQmxErrChk (DAQmxBaseCfgImplicitTiming (taskHandle, DAQmx_Val_FiniteSamps, (uInt64)0));
+                DAQmxErrChk (DAQmxBaseCfgImplicitTiming (taskHandle, DAQmx_Val_ContSamps, (uInt64)0));
                 DAQmxErrChk (DAQmxBaseStartTask (taskHandle));
             }
             break;
@@ -139,6 +127,7 @@ Error:
         // DAQmx Stop Code
         /*********************************************/
         DAQmxBaseStopTask(taskHandle);
+        msleep(200);
         DAQmxBaseClearTask(taskHandle);
         emit daqmxbase_final();
     }