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Fix get_sldo core method

Ryan Daniel De Los Santosrequested to merge
rdelossa/felis:get_sldo into master

Implementation of get_sldo that is aware of SLDO ROOT file structure. The following values are computed from the SLDO plot:

  • Slope of Vin after module powering.
  • Average value of VDD after passing minimum current requirement. sldo_scan_example In the image this refers to the slope of the blue line after 2.5A and the average value of the red line after 2.5A.

There are 3 slightly different versions of the SLDO scan that would potentially use this get_sldo() function. They include the SLDO scan with GADC, probe card, or both. Different canvases and actionable summaries will be available depending on which version is ran. Therefore, I have added in some conditional statements that will decide what values should be calculated and what actionable summaries should be filled in. As I don't see this in other core_methods please let me know if this is an acceptable method.

Attached are my testing script and an SLDO root file for verification. Result_RunSLDO_RH0012.rootsldo_tester.py

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