DAQmxWaitUntilTaskDone overflow error
Lately, I've been running into a problem with the DAQmxWaitUntilTaskDone command.
I'll put a program that generates a square (of sorts) wave, and I find that if I leave the program running for a day or two, I get an error of overflow on the DAQmxWaitUntilTaskDone command. I tried with different (including-1) values for the value of TimeToWait, but I get the same error. What could cause this?
This is my code so far. FWIW, I use a NOR-6259.
190 publicStatus = DAQmxCreateTask ("", taskHandle)
200 taskIsRunning = True
'Add a digital output channel to the task.
210 publicStatus = DAQmxCreateDOChan (taskHandle, "Dev2/port0 / line8:16","", DAQmx_Val_ChanForAllLines ")
"Configure synchronization for sample clock and the external signal.
220 publicStatus = DAQmxStartTask (publicOutputPulseTaskHandle)
230 publicStatus = DAQmxCfgSampClkTiming (taskHandle, "Ctr0InternalOutput", # 1000000, DAQmx_Val_Rising, DAQmx_Val_AcquisitionType_FiniteSamps, numSamplesToWrite)'Write the table of values.
240 publicStatus = DAQmxWriteDigitalLines (taskHandle, numSamplesInArray, False,-1, DAQmx_Val_GroupByChannel, writeArray (0, 0), sampsPerChanWritten, ByVal 0 &)"Start the running task and write on digital lines.
250 publicStatus = DAQmxStartTask (taskHandle)' Wait until the generation is finished
260 publicStatus = DAQmxWaitUntilTaskDone (taskHandle, TimeToWait)
270 publicStatus = DAQmxClearTask (taskHandle)
280 publicStatus = DAQmxStopTask (publicOutputPulseTaskHandle)
It's looking like there is nothing wrong with my code?
Courtney, I did study some more and it turns out it was a networking problem that was tripping me. The code itself was not serious and was not in trouble.
However, I thank you for your help.
Tags: NI Software
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