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python library for operations with VCD and other digital wave files

Project description


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python library for operations with VCD and other digital wave files

Feature list

  • parse VCD (std 2009) files to intermediate format
  • write VCD files, user specified formaters for user types, predefined formaters for vectors, bits and enum values
  • dump intermediate format as simple json

Output json format

{ "name": "<scope name>"
  "children" : {"<children name>" : child}

child can be scope or signal record

signal record 
{ "name": "<signal name>"
  "type": {"sigType": "<vcd signal type>",
           "width": <bit width of signal (integer)>},
  "data": [<data records>],

data record format
[<time (number)>, <value (string, format dependent on datatype)>]

Related open source

  • verilog-vcd-parser - Python, A parser for Value Change Dump (VCD) files as specified in the IEEE System Verilog 1800-2012 standard.

Project details

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Files for pyDigitalWaveTools, version 0.5
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