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Saving, Loading, and Exporting Data


Saving Captures

Note: Saving a capture only saves the currently selected tab

To save your current capture, click the Options menu on the top right of the software and select Save Capture. You can also press CTRL-S.

Opening Captures
To open a previously saved capture, click the Options menu on the top right of the software and select Open Capture. You can also press CTRL-O.

You can also drag a capture file into the Logic software.

On Windows, you can double-click a capture file to open it in the Logic software.

Exporting Data
If you need to view, manipulate, or process data in another application, you can export it.

To begin exporting, click the Options button at the top right of the software and select Export data. When exporting data, you can select which channels to export, and over what time period. Lastly, you can select the format of the exported data.

Note: for exporting protocol analyzer data see the Protocol Analyzer section.

Export Settings

To export your setting, click the Options button at the top right and select Save Setup. From there, you will be prompted to save a .logicsettings file. The .logicsettings file will save the settings associated with the current active tab. You can find the tabs at the bottom of the software UI.

More details on saving settings are described here: How to save and load software settings using logic setup files.

Exporting in CSV Format
Csv format is a text format suitable for opening in a spreadsheet application or loading from a script. You can choose to include column headings, and choose commas or tabs as the delimiter.

When exporting digital data only, you can choose to use timestamps or sample numbers, to output the digital as a single value or as a bit per column, and choose to record only when the value changes or to record every sample.

Exporting in VCD Format
VCD stands for value change dump, and is a text-based format used for saving digital data (it can't be used with analog data).

Exporting in Binary Format
The binary format is provided primarily for those interested in loading data into a script or custom application. You can choose to export every sample, or only record when the value changes. You can also select the number of bytes used per sample.

Exporting in MATLAB Format
To use data in MATLAB, you can export a .mat file which can be loaded by MATLAB.

Additional Data Export Notes

Some export formats have different options when exporting a mix of digital and analog channels, or exporting only analog channels. Not all export options are available in some cases.

CSV can be used to export digital channels, analog channels, or a mix of digital and analog channels. Different options are available for each of these cases, and the format varies slightly. For instance, when exporting just digital channels with CSV, and in one row per change mode, there will only be one set of time stamps in the file. When exporting digital and analog data, one row per change mode is the only format for the digital component, but timestamps are created for each channel individually, instead of being shared between all digital channels. This special "mixed mode" export feature is not available unless at least one analog channel is present in the export. The only way to accomplish this for digital only exports is to export each channel, one at a time, to separate files.

Binary export can be used for digital exports and analog exports, but cannot be used to export a mix of analog and digital channels in the same file.

VCD (Value Change Dump) only supports digital channels.

Matlab supports exporting digital channels, analog channels, as well as a mix of analog and digital channels.

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