Difference between revisions of "Input output formats"

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TODO
TODO
=== Binary ===
Raw, binary input format without any metadata.


=== sigrok session ===
=== sigrok session ===
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TODO
TODO


=== ASCII bits ===
=== Bits ===


<small>
<small>
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</small>
</small>


=== hex ===
=== Hex ===


<small>
<small>
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</small>
</small>


=== Value Change Dump (VCD) ===
=== VCD (Value Change Dump) ===


[[File:Sigrok vcd output in gtkwave.png|thumb|320px|right|sigrok VCD output viewed in gtkwave]]
[[File:Sigrok vcd output in gtkwave.png|thumb|320px|right|sigrok VCD output viewed in gtkwave]]
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</small>
</small>


== LaTeX ==
=== OLS ===
[http://www.ctan.org/tex-archive/graphics/pgf/contrib/tikz-timing TODO]
 
TODO

Revision as of 01:31, 20 January 2011

Input formats

Logic analyzer

TODO

Binary

Raw, binary input format without any metadata.

sigrok session

TODO

Output formats

sigrok session

TODO

Bits

$ sigrok-cli --samples 1000 -f bits
Acquisition with 8/8 probes at 200 KHz
1:11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 
2:00000000 00011111 11111111 11100000 00000000 00011111 11111111 11110000 
3:11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 
4:11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 
5:11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 
6:01111000 01001100 01111100 01100000 00011100 01101100 00011100 00100011 
7:11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 
8:11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 
1:11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 
2:00000000 00001111 11111111 11110000 00000000 00000111 11111111 11111000 
3:11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 
4:11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 
5:11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 
6:00011110 00100111 00001110 00110000 01001110 00110010 01101110 00010000 
7:11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 
8:11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111 
[...]

ASCII

$ sigrok-cli -d 0 --time 10 -p 1,2 -o samplerate=1M -f ascii
Acquisition with 2/16 probes at 1 MHz
1:/""""""""\.........../""""""""\.........../""""""""\.........../""""""""\.
2 :........../"""""""""""""""""""\...................../"""""""""""""""""""\.
1:........./"""""""""\........../"""""""""\........../"""""""""\........../"
2:..................../"""""""""""""""""""\..................../""""""""""""
1:""""""""\........../""""""""\.........../""""""""\.........../""""""""\...
2:"""""""\...................../"""""""""""""""""""\...................../""
1:......../""""""""\........../"""""""""\........../"""""""""\........../"""
2:"""""""""""""""""\...................../"""""""""""""""""""\..............
1:""""""\........../"""""""""\........../""""""""\.........../""""""""\.....
2:....../"""""""""""""""""""\...................../"""""""""""""""""""\.....

Hex

$ sigrok-cli --samples 1000 -f hex
Acquisition with 8/8 probes at 200 KHz
1:ff ff ff ff ff ff ff ff 
2:00 7f ff c0 00 3f ff c0 
3:ff ff ff ff ff ff ff ff 
4:ff ff ff ff ff ff ff ff 
5:ff ff ff ff ff ff ff ff 
6:71 b2 71 8f 70 9f 78 c0 
7:ff ff ff ff ff ff ff ff 
8:ff ff ff ff ff ff ff ff 
1:ff ff ff ff ff ff ff ff 
2:00 3f ff e0 00 1f ff e0 
3:ff ff ff ff ff ff ff ff 
4:ff ff ff ff ff ff ff ff 
5:ff ff ff ff ff ff ff ff 
6:f8 d8 f8 c0 3c 4c 1c 63 
7:ff ff ff ff ff ff ff ff 
8:ff ff ff ff ff ff ff ff 
[...]

Binary

Raw, binary output format without any metadata. In the example below every byte contains one sample consisting of 8 probe values (each bit denotes the high or low value of one probe; bit 0 corresponds to probe 0, and so on). In the example, probe 6 is tied to GND (i.e., low), all others are high.

$ sigrok-cli --samples 1000 -f binary > somefile.dat
$ hexdump -Cv somefile.dat
00000000  bf bf bf bf bf bf bf bf  bf bf bf bf bf bf bf bf  |................|
00000010  bf bf bf bf bf bf bf bf  bf bf bf bf bf bf bf bf  |................|
00000020  bf bf bf bf bf bf bf bf  bf bf bf bf bf bf bf bf  |................|
00000030  bf bf bf bf bf bf bf bf  bf bf bf bf bf bf bf bf  |................|
[...]

VCD (Value Change Dump)

sigrok VCD output viewed in gtkwave

$ sigrok-cli --samples 1000 -f vcd
$date
  TODO
$end
$version
  sigrok 0.1pre
$end
$comment
  Acquisition with 8/8 probes at 200 KHz
$end
$timescale
  1 ns
$end
$scope module sigrok $end
$var wire 1 ! channel1 $end
$var wire 1 " channel2 $end
$var wire 1 # channel3 $end
$var wire 1 $ channel4 $end
$var wire 1 % channel5 $end
$var wire 1 & channel6 $end
$var wire 1 ' channel7 $end
$var wire 1 ( channel8 $end
$upscope $end
$enddefinitions $end
$dumpvars
#0
1!
#0
0"
#0
1#
#0
1$
#0
1%
#0
0&
#0
1'
#0
1(
#3
1&
#8
0&
#11
1&
#13
1"
#13
0&
[...]
$dumpoff
$end

Gnuplot

sigrok gnuplot output format, PNG format

$ sigrok-cli --samples 1000 -f gnuplot
# Sample data in space-separated columns format usable by gnuplot
#
# Generated by: sigrok 0.1pre on TODO
# Comment: Acquisition with 8/8 probes at 200 KHz
# Timescale: 1 ns
# Column assignment:
# Column 0: channel 1
# Column 1: channel 2
# Column 2: channel 3
# Column 3: channel 4
# Column 4: channel 5
# Column 5: channel 6
# Column 6: channel 7
# Column 7: channel 8

0               1 0 1 1 1 0 1 1 
1               1 0 1 1 1 0 1 1 
2               1 0 1 1 1 0 1 1 
3               1 0 1 1 1 0 1 1 
4               1 0 1 1 1 0 1 1 
5               1 0 1 1 1 0 1 1 
6               1 0 1 1 1 1 1 1 
7               1 0 1 1 1 1 1 1 
8               1 0 1 1 1 1 1 1 
9               1 0 1 1 1 1 1 1 
10              1 0 1 1 1 1 1 1 
11              1 0 1 1 1 0 1 1 
12              1 0 1 1 1 0 1 1 
13              1 0 1 1 1 0 1 1 
14              1 0 1 1 1 1 1 1 
[...]

OLS

TODO