docs/wiki/geda-experiences.html

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  15 <h1 class="sectionedit282"><a name="this_page_should_include_user_experiences_with_the_geda_suite" id="this_page_should_include_user_experiences_with_the_geda_suite">This page should include user experiences with the gEDA suite.</a></h1>
  16 <div class="level1">
  17
  18 <p>
  19 Hello!
  20 </p>
  21
  22 <p>
  23 My name is Paul Csanyi. I am a technics teacher in an elementary school.
  24 </p>
  25
  26 <p>
  27 I use mainly Debian GNU/Linux operating system. I have installed the gEDA suite on my system.
  28 </p>
  29
  30 <p>
  31 I am a newbe to the electronics and to the gEDA tools, but the electronics is so interesting theme to me so I decide to study gEDA tools and use it for making some simple projects. With these simple projects I intend to teach my pupils to fundamentals of electronics.
  32 </p>
  33
  34 <p>
  35 I tried first the gEDA <acronym title="Graphical User Interface">GUI</acronym>, but then I red that it is better to use gEDA from the command line, so I did so.
  36 </p>
  37
  38 <p>
  39 I have tried several times gEDA tools to make some simple projects. Up to the present I learn how to use gschem tool very easily.
  40 I made schematics easily.
  41 </p>
  42
  43 <p>
  44 But then I need a symbol that I can&#039;t find in gschem library, so I decide to make it. I follow the tutorial <a href="http://geda.seul.org/wiki/geda:tragesym_tutorial" class="urlextern" title="http://geda.seul.org/wiki/geda:tragesym_tutorial"  rel="nofollow">http://geda.seul.org/wiki/geda:tragesym_tutorial</a> and ask some questions on the mailing list geda-user <a href="http://www.seul.org/cgi-bin/mailman/listinfo/geda-user" class="urlextern" title="http://www.seul.org/cgi-bin/mailman/listinfo/geda-user"  rel="nofollow">http://www.seul.org/cgi-bin/mailman/listinfo/geda-user</a>.
  45 </p>
  46
  47 <p>
  48 Here in this Wiki I want to share some of mine experiences with the gEDA suite. I want to share some addons to the tragesym tutorial.
  49 </p>
  50
  51 <p>
  52 If these thoughts are specific for the Debian system, like the place of the tragesym_template.gz file, then I shall write a note of this.
  53 </p>
  54
  55 <p>
  56 I made a symbol for the 36-pin Centronics connector.
  57 </p>
  58
  59 <p>
  60 From the “Tragesym tutorial”:
  61 </p>
  62
  63 <p>
  64 <strong>Step1: Open a tragesym template file</strong>
  65 </p>
  66 <ul>
  67 <li class="level1"><div class="li"> open xterm window: eg.: urxvt</div>
  68 </li>
  69 <li class="level1"><div class="li"> cp /usr/share/doc/geda-doc/wiki/_media/tragesym_template.gz ~/gEDA/gaf/ <br/>
  70 </div>
  71 </li>
  72 </ul>
  73
  74 <p>
  75 <em class="u">Note: This is Debian specific.</em>
  76 </p>
  77 <ul>
  78 <li class="level1"><div class="li"> cd gEDA/gaf/</div>
  79 </li>
  80 <li class="level1"><div class="li"> gzip -d tragesym_template.gz</div>
  81 </li>
  82 <li class="level1"><div class="li"> Open in OpenOffice the tragesym_template file. I get OpenOffice Calc with opened file. “Set the type, style and position column to the most common value.” I have saved this <strong>tragesym_template</strong> file for the future use.</div>
  83 </li>
  84 </ul>
  85
  86 <p>
  87
  88 <strong>Step2: Download the part data sheet and find the pin list</strong>
  89 </p>
  90
  91 <p>
  92 <strong>Step3: Copy the pin list into an editor and prepare it</strong>
  93 </p>
  94 <ul>
  95 <li class="level1"><div class="li">I have tried Midnight Commander as editor, but XEmacs is much better for this. I make Tabs between columns. From XEmacs I copy the lines into OpenOffice Calc.</div>
  96 </li>
  97 </ul>
  98
  99 <p>
 100
 101 <strong>Step4: Insert all missing data into the spreadsheet</strong>
 102 </p>
 103 <ul>
 104 <li class="level1"><div class="li">In OpenOffice Calc I inserted all missing data. The label of the Pin 36 is &#039;IN SEL&#039; and have a negation overbar, so I write in the approppriate column: \_IN\ SEL\_ Note that here is a space between &#039;IN&#039; and &#039;SEL&#039;. Maybe it is trivial, but if one have a space in the label this works.</div>
 105 </li>
 106 </ul>
 107
 108 <p>
 109
 110 <strong>Step5: Export the spreadsheet into a tab seperated text file</strong>
 111 </p>
 112 <ul>
 113 <li class="level1"><div class="li">In OpenOffice I did File / Save As / Filename: tragesym_template-for_36-pin_centronics_connector / Filetype: Structural text (CSV) (.csv) / Filter setup: on / Save / Text boundary: empty</div>
 114 </li>
 115 </ul>
 116
 117 <p>
 118
 119 <strong>Step6: execute tragesym and create the symbol</strong>
 120 </p>
 121 <ul>
 122 <li class="level1"><div class="li">tragesym tragesym_template-for_36-pin_centronics_connector 36-pin-centronics.sch</div>
 123 </li>
 124 </ul>
 125
 126 <p>
 127
 128 <strong>Step7: check the result with gschem and do some artwork</strong>
 129 </p>
 130 <ul>
 131 <li class="level1"><div class="li">“Now we have a complete symbol.”</div>
 132 </li>
 133 <li class="level1"><div class="li">“You can copy the symbol to your local symbol library e.g. /usr/local/share/gEDA/sym/local/ and use it.” <br/>
 134 </div>
 135 </li>
 136 </ul>
 137
 138 <p>
 139 cp 36-pin_centronics.sch /home/username/gEDA/gaf/gschem-sym/connectors/36-pin_centronics.sym
 140 </p>
 141
 142 <p>
 143 This symbol can be viewed here: <br/>
 144
 145 <a href="http://www.mediamax.com/paul_csanyi/Hosted/gschem_schems/36-pin-centronics.sym" class="urlextern" title="http://www.mediamax.com/paul_csanyi/Hosted/gschem_schems/36-pin-centronics.sym"  rel="nofollow">http://www.mediamax.com/paul_csanyi/Hosted/gschem_schems/36-pin-centronics.sym</a>
 146 </p>
 147
 148 <p>
 149 In this symbol I put the footprint: “SUBD_FEMALE_LAY 25” but this is not the approppriate footprint for the 36-pin Centronics connector. I tried to find footprint for the 36-pin Centronics connector here:
 150 <a href="http://www.gedasymbols.org/" class="urlextern" title="http://www.gedasymbols.org/"  rel="nofollow">http://www.gedasymbols.org/</a>, but with no success.
 151 </p>
 152
 153 <p>
 154 I think I gone to make one 36-pin Centronics footprint soon, using “PCB Footprint Guide” here:<br/>
 155
 156 <a href="http://geda.seul.org/wiki/geda:pcb_footprints" class="urlextern" title="http://geda.seul.org/wiki/geda:pcb_footprints"  rel="nofollow">http://geda.seul.org/wiki/geda:pcb_footprints</a>. <img src="images/smileys/icon_smile.gif" align="middle" alt=":-)" />
 157
 158 </p>
 159
 160 </div>
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