Saving the last array value at the same time as analog waveform values

[PeterSB3000]

Hi!

This is probably an easy problem to fix but I can't figure it out. I have 2 loop that runs in parallel and write to measurement file is working for the analog waveforms. But when I trying to save the temperature array only one value is written to the file. The analog waveforms collect values much faster than the temperature so I want to just save the latest array value from each channel when 1 value from the analog waveforms is saved.

Thanks

[crossrulz]

I would recommend making another loop for saving your data.  You can use a queue to pass the data to that loop.  Just store the latest value of your analog signals in a shift register.  When you get a temperature reading, you append those readings to the array of analog signals and write the data to the file.

[PeterSB3000]

Thanks for a quick reply. Sorry but I don't understand you completely and I have been told that the write to measurement file should be in that loop. What I read from your suggestion is that the analog signals that are aquired at 20kHz wait for a 14hz temperature data to be aquired in the queue. In your suggestion if I can get it to work will I then get the same amount of temperature data as analog data saved to the file?

[crossrulz]

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@PeterSB3000 wrote:

What I read from your suggestion is that the analog signals that are aquired at 20kHz wait for a 14hz temperature data to be aquired in the queue. In your suggestion if I can get it to work will I then get the same amount of temperature data as analog data saved to the file?

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Isn't that what you asked for?  If not, the clarify what it is you want to do.

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@PeterSB3000 wrote:

Thanks for a quick reply. Sorry but I don't understand you completely and I have been told that the write to measurement file should be in that loop.

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You can use another loop quite easily.  Just look at the Producer/Consumer.