Difference between revisions of "File format:Vcd"
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{{Infobox file format | {{Infobox file format | ||
| id = vcd | | id = vcd | ||
| name = Value change dump | | name = Value change dump | ||
Revision as of 12:31, 3 August 2014
| Name | Value change dump |
|---|---|
| Status | supported |
| Source code (in) | vcd.c |
| Source code (out) | vcd.c |
| Common extension(s) | .vcd, .wave |
| MIME type | — |
| ASCII format | yes |
| Compression | yes (only stores transitions) |
| Website | wikipedia.org |
vcd is an ASCII-based file format that...
It can be opened and processed e.g. in a waveform viewer software.
Format
See Wikipedia for a short overview.
Properties
Implementation
Examples
$date Fri Aug 1 23:46:38 2014 $end $version libsigrok 0.3.0 $end $comment Acquisition with 2/8 channels at 500 kHz $end $timescale 1 us $end $scope module libsigrok $end $var wire 1 ! sda $end $var wire 1 " scl $end $upscope $end $enddefinitions $end #0 1! 0" #40 0! #72 1" #102 1! #144 0! #174 0" #204 1! #246 0! #276 1" #306 1! #348 0! #380 0" #410 1! #452 0! #514 1! #566 0! #628 1! #668 0! #730 1! #770 0! #832 1! #872 0! #938 1! #978 0! 1" #1010 0" #1040 1! [...] #106772 1! #106812 0! #106844 0" #106874 1! #106914 1" #160000