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USB Project (22nd August)

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Presentation on theme: "USB Project (22nd August)"— Presentation transcript:

1 USB Project (22nd August)
Ian Coulter

2 Last Week All data wrote into a single binary file which could be reinterpreted into columns of data later At its fastest, this could go 4 channels at full speed

3 Multiple File Writing We now open a file, take data in and write it to the file. We then close the file and create a new file and loop round again. The amount of data in each file can be chosen by the size of the file or for a given number of loops

4 Multiple File Writing The multiple file writing was able to run 3 channels at full speed without filling the FIFO and so losing data A decoder function was added to the DLL that formats the data from the binary files into the real columns of data

5 Amplification The ADC uses amplifiers and so needs to set the amount of gain for each channel Can now choose the gain for each channel using labview Can also choose whether we want AC or DC signal

6 Other things Can now choose the location of some of the files in the labview menu Introduced labview button to allow sampling instead of averaging


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