Merge pull request #2034 from AllenInstitute/bugfix/2034-workaround_for_fifo2wave_igor_bug

bugfix: FIFO2WAVE does not work with single point ranges

Author: t-b

Packages/MIES/MIES_DataAcquisition_Multi.ipf

@@ -16,7 +16,7 @@ Function DQM_FIFOMonitor(s)
 	STRUCT BackgroundStruct &s
 
 	variable deviceID, isFinished, hardwareType
-	variable i, j, err, fifoLatest, result, channel, lastTP, gotTPChannels
+	variable i, j, err, fifoLatest, result, channel, lastTP, gotTPChannels, newSamplesCount
 	variable bufferSize
 	string device, fifoChannelName, fifoName, errMsg
 	WAVE ActiveDeviceList = GetDQMActiveDeviceList()
@@ -44,7 +44,9 @@ Function DQM_FIFOMonitor(s)
 					fifoName = GetNIFIFOName(deviceID)
 					FIFOStatus/Q $fifoName
 					ASSERT(V_Flag != 0,"FIFO does not exist!")
-					if(fifoPosGlobal == V_FIFOChunks)
+					newSamplesCount = V_FIFOChunks - fifoPosGlobal
+					if(newSamplesCount < 2)
+						// workaround for Igor Pro bug 5092
 						continue // no new data -> next device
 					endif
 
@@ -55,11 +57,11 @@ Function DQM_FIFOMonitor(s)
 						fifoChannelName = StringByKey("NAME" + num2str(j), S_Info)
 						channel = str2num(fifoChannelName)
 						WAVE NIChannel = NIDataWave[channel]
+						FIFO2WAVE/R=[fifoPosGlobal, fifoPosGlobal + newSamplesCount - 1] $fifoName, $fifoChannelName, wNIReadOut; AbortOnRTE
+
 						bufferSize = DimSize(NIChannel, ROWS)
 						fifoLatest = min(V_FIFOChunks, bufferSize)
 						isFinished = (fifoLatest == bufferSize) ? 1 : isFinished
-
-						FIFO2WAVE/R=[fifoPosGlobal, fifoLatest - 1] $fifoName, $fifoChannelName, wNIReadOut; AbortOnRTE
 						multithread NIChannel[fifoPosGlobal, fifoLatest - 1] = wNIReadOut[p - fifoPosGlobal]
 						SetScale/P x, 0, DimDelta(wNIReadOut, ROWS) * ONE_TO_MILLI, "ms", NIChannel
 

Packages/tests/HardwareBasic/UTF_BasicHardwareTests.ipf

@@ -2362,3 +2362,22 @@ End
 static Function CheckIfNoTTLonTP_REENTRY([string str])
 	PASS()
 End
+
+#ifdef TESTS_WITH_NI_HARDWARE
+// UTF_TD_GENERATOR DeviceNameGeneratorMD1
+static Function TestNIAcquisitionReliability([str])
+	string str
+
+	STRUCT DAQSettings s
+	InitDAQSettingsFromString(s, "MD1_RA1_I0_L0_BKG1_FFR:10:_RES1000"       + \
+										"__HS0_DA0_AD0_CM:VC:_ST:EpochTest6_DA_0:")
+
+	AcquireData_NG(s, str)
+End
+
+static Function TestNIAcquisitionReliability_REENTRY([str])
+	string str
+
+	CHECK_EQUAL_VAR(GetSetVariable(str, "SetVar_Sweep"), 1000)
+End
+#endif