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Add a fully generated documentation in the git repository. * Change: In all tools supplying documentation, as we use some specific software to create the doc, they may not be available, or worse, be and incompatible version. So, by default, we install the files shipped with the git repository. To force a full doc rebuild, use the "--doc" flag of ccb.py.
2018-06-06 11:42:26 -05:00
<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.0//EN'>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
<title>VLSI SAPD Documentation</title>
<link href="stylesheet.css" rel="stylesheet" type="text/css">
</head>
<h1 id="pagetop" class="header">VLSI SAPD Documentation</h1>
<center class="header">
<table class="header">
<tr>
<td><a href="index.html">Presentation</a></td>
<td><a href="agds.html">AGDS</a></td>
<td><a href="cif.html">CIF</a></td>
<td><a href="dtr.html">DTR</a></td>
<td><a href="openchams.html">OPENCHAMS</a></td>
<td><a href="spice.html">SPICE</a></td>
<td><a href="contact.html">Links & Contact</a></td>
</tr>
</table>
</center>
<br>
<hr>
<body>
<!-- Generated by Doxygen 1.8.13 -->
</div><!-- top -->
<div class="header">
<div class="headertitle">
<div class="title">SPICE Format </div> </div>
</div><!--header-->
<div class="contents">
<div class="textblock"><h1><a class="anchor" id="spicePres"></a>
Presentation</h1>
<p>The <b>Spice</b> format was developped at the University of California, Berkeley. This parser/driver consists in a subset of SPICE3 netlist format. (see <a href="http://en.wikipedia.org/wiki/SPICE">http://en.wikipedia.org/wiki/SPICE</a> for more informations).<br />
</p>
<h2><a class="anchor" id="spiceAutrhos"></a>
Author</h2>
<p>Damien Dupuis: damien.dupuis(at)lip6(.)fr</p>
<h1><a class="anchor" id="spiceDB"></a>
Stand alone database structure</h1>
<p>The database consists in several objects:</p><ul>
<li><a class="el" href="class_s_p_i_c_e_1_1_circuit.html">SPICE::Circuit</a></li>
<li><a class="el" href="class_s_p_i_c_e_1_1_spice_exception.html">SPICE::SpiceException</a></li>
<li><a class="el" href="class_s_p_i_c_e_1_1_subckt.html">SPICE::Subckt</a></li>
<li><a class="el" href="class_s_p_i_c_e_1_1_instance.html">SPICE::Instance</a></li>
<li><a class="el" href="class_s_p_i_c_e_1_1_mosfet.html">SPICE::Mosfet</a></li>
<li><a class="el" href="class_s_p_i_c_e_1_1_capacitor.html">SPICE::Capacitor</a></li>
<li><a class="el" href="class_s_p_i_c_e_1_1_resistor.html">SPICE::Resistor</a></li>
<li><a class="el" href="class_s_p_i_c_e_1_1_source.html">SPICE::Source</a></li>
<li><a class="el" href="class_s_p_i_c_e_1_1_voltage.html">SPICE::Voltage</a></li>
<li><a class="el" href="class_s_p_i_c_e_1_1_current.html">SPICE::Current</a></li>
</ul>
<h2><a class="anchor" id="spiceParser"></a>
Using the parser</h2>
<p>Simply load an Spice netlist file using the static function SPICE::Circuit::readFromFile().</p>
<h2><a class="anchor" id="spiceDriver"></a>
Using the driver</h2>
<p>Using the driver is very simple, user has to create a <a class="el" href="class_s_p_i_c_e_1_1_circuit.html">SPICE::Circuit</a> object and simply add others Spice objects like <a class="el" href="class_s_p_i_c_e_1_1_subckt.html">SPICE::Subckt</a> or <a class="el" href="class_s_p_i_c_e_1_1_instance.html">SPICE::Instance</a> to it. Includes, libraries and parameters can also be added to <a class="el" href="class_s_p_i_c_e_1_1_circuit.html">SPICE::Circuit</a>. Finally use the SPICE::Circuit::writeToFile() method to dump the database to file.</p>
<h1><a class="anchor" id="spiceExamples"></a>
Examples</h1>
<p>As said is the global presentation, VLSI SAPD project provides C++ libraries and Python modules for each supported format. In this section we present simple code examples to parse and drive a SPICE file using C++ or Python. The SPICE file considered describes a simple Miller OTA: <code>OTA_miller.spi</code> </p><div class="fragment"><div class="line">* Single-ended two-stage amplifier</div><div class="line"></div><div class="line">.PARAM CC_VALUE=2.8794pF</div><div class="line">.PARAM L_VALUE=0.340e-6</div><div class="line"></div><div class="line">.SUBCKT currentMirrorPMOS d1 d2 s1 s2 param: l_val=0.0 w_val=0.0 nf_val=1 aeq_val=100e-6 temp_val=27</div><div class="line">MP3 d1 d1 s1 s1 psvt l=l_val wf={w_val/nf_val} nf=nf_val aeq=aeq_val tempsimu=temp_val</div><div class="line">MP4 d2 d1 s2 s2 psvt l=l_val wf={w_val/nf_val} nf=nf_val aeq=aeq_val tempsimu=temp_val</div><div class="line">.ENDS currentMirrorPMOS</div><div class="line"></div><div class="line">.SUBCKT diffPairNMOS d1 d2 g1 g2 s b param: l_val=0.0 w_val=0.0 nf_val=1 aeq_val=100e-6 temp_val=27</div><div class="line">MN1 d1 g1 s b nsvt l=l_val wf={w_val/nf_val} nf=nf_val aeq=aeq_val tempsimu=temp_val</div><div class="line">MN2 d2 g2 s b nsvt l=l_val wf={w_val/nf_val} nf=nf_val aeq=aeq_val tempsimu=temp_val</div><div class="line">.ENDS diffPairNMOS</div><div class="line"></div><div class="line">XCM 1 2 vdd vdd currentMirrorPMOS l_val=L_VALUE w_val=3.889618e-06 nf_val=2</div><div class="line">XDP 1 2 vim vip 3 vss diffPairNMOS l_val=L_VALUE w_val=7.683346e-07 nf_val=4</div><div class="line">MP6 vout 2 vdd vdd psvt l_val=L_VALUE w_val=3.558995e-05 nf_val=20</div><div class="line">MN5 3 4 vss vss nsvt l_val=L_VALUE w_val=2.536703e-06 nf_val=4 </div><div class="line">MN7 vout 4 vss vss nsvt l_val=L_VALUE w_val=1.069083e-05 nf_val=16</div><div class="line">MN8 4 4 vss vss nsvt l_val=L_VALUE w_val=2.536703e-06 nf_val=4 </div><div class="line"></div><div class="line">CC1 vout 2 CC_VALUE</div><div class="line"></div><div class="line">.END</div></div><!-- fragment --><p>All source codes are available in the <code>examples</code> directory.</p>
<h2><a class="anchor" id="spiceC"></a>
C++</h2>
<h3><a class="anchor" id="spiceParseC"></a>
Parser</h3>
<p>The following code (<code>parseSpice.cpp</code>) is an example of how to parse a SPICE file using C++ library. </p><div class="fragment"><div class="line"><span class="preprocessor">#include &lt;cstdlib&gt;</span></div><div class="line"><span class="preprocessor">#include &lt;iostream&gt;</span></div><div class="line"><span class="preprocessor">#include &lt;string&gt;</span></div><div class="line"><span class="preprocessor">#include &lt;map&gt;</span></div><div class="line"><span class="preprocessor">#include &lt;vector&gt;</span></div><div class="line"><span class="keyword">using namespace </span><a class="code" href="namespacestd.html">std</a>;</div><div class="line"></div><div class="line"><span class="preprocessor">#include &quot;vlsisapd/spice/Circuit.h&quot;</span></div><div class="line"><span class="preprocessor">#include &quot;vlsisapd/spice/SpiceException.h&quot;</span></div><div class="line"><span class="preprocessor">#include &quot;vlsisapd/spice/Sources.h&quot;</span></div><div class="line"><span class="preprocessor">#include &quot;vlsisapd/spice/Subckt.h&quot;</span></div><div class="line"><span class="preprocessor">#include &quot;vlsisapd/spice/Instances.h&quot;</span></div><div class="line"></div><div class="line"><span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> * argv[]) {</div><div class="line"> <span class="keywordtype">string</span> file = <span class="stringliteral">&quot;&quot;</span>;</div><div class="line"> <span class="keywordflow">if</span> (argc == 1)</div><div class="line"> file = <span class="stringliteral">&quot;./OTA.cir&quot;</span>;</div><div class="line"> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (argc == 2)</div><div class="line"> file = argv[1];</div><div class="line"> <span class="keywordflow">else</span> {</div><div class="line"> cerr &lt;&lt; <span class="stringliteral">&quot;Usage: parseSpice [filename]&quot;</span> &lt;&lt; endl;</div><div class="line"> exit(1);</div><div class="line"> }</div><div class="line"></div><div class="line"> <a class="code" href="class_s_p_i_c_e_1_1_circuit.html">SPICE::Circuit</a>* circuit = NULL;</div><div class="line"> <span class="keywordflow">try</span> {</div><div class="line"> circuit = SPICE::Circuit::readFromFile(file);</div><div class="line"> } <span class="keywordflow">catch</span> (<a class="code" href="class_s_p_i_c_e_1_1_spice_exception.html">SPICE::SpiceException</a>&amp; e) {</div><div class="line"> cerr &lt;&lt; e.what() &lt;&lt; endl;</div><div class="line"> exit(48);</div><div class="line"> }</div><div class="line"></div><div class="line"><span class="comment">// if (!circuit) cerr &lt;&lt; &quot;circuit is NULL !!&quot; &lt;&lt; endl;</span></div><div class="line"> <span class="comment">// TITLE</span></div><div class="line"> cerr &lt;&lt; <span class="stringliteral">&quot;+ &quot;</span> &lt;&lt; circuit-&gt;<a class="code" href="class_s_p_i_c_e_1_1_circuit.html#ad19721dd878c04c854a72af12d785741">getTitle</a>() &lt;&lt; endl;</div><div class="line"> <span class="comment">// INCLUDES</span></div><div class="line"> vector&lt;string&gt; includes = circuit-&gt;<a class="code" href="class_s_p_i_c_e_1_1_circuit.html#a312beaf640e84589e6644820355c8ed6">getIncludes</a>();</div><div class="line"> <span class="keywordflow">if</span> (includes.size()) {</div><div class="line"> cerr &lt;&lt; <span class="stringliteral">&quot;| + includes&quot;</span> &lt;&lt; endl;</div><div class="line"> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0 ; i &lt; includes.size() ; i++)</div><div class="line"> cerr &lt;&lt; <span class="stringliteral">&quot;| | &quot;</span> &lt;&lt; includes[i] &lt;&lt; endl;</div><div class="line"> }</div><div class="line"> <span class="comment">// LIBRARIES</span></div><div class="line"> vector&lt;pair&lt;string, string&gt; &gt; libs = circuit-&gt;<a class="code
Driver</h3>
<p>This C++ code (<code>driveSpice.cpp</code>) generates an myOTA.spi file equivalent to the included one. </p><div class="fragment"><div class="line"><span class="preprocessor">#include &lt;string&gt;</span></div><div class="line"><span class="keyword">using namespace </span><a class="code" href="namespacestd.html">std</a>;</div><div class="line"></div><div class="line"><span class="preprocessor">#include &quot;vlsisapd/spice/Circuit.h&quot;</span></div><div class="line"><span class="preprocessor">#include &quot;vlsisapd/spice/Subckt.h&quot;</span></div><div class="line"><span class="preprocessor">#include &quot;vlsisapd/spice/Instances.h&quot;</span></div><div class="line"></div><div class="line"><span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> * argv[]) {</div><div class="line"> <a class="code" href="class_s_p_i_c_e_1_1_circuit.html">SPICE::Circuit</a>* circuit = <span class="keyword">new</span> <a class="code" href="class_s_p_i_c_e_1_1_circuit.html">SPICE::Circuit</a>();</div><div class="line"> circuit-&gt;<a class="code" href="class_s_p_i_c_e_1_1_circuit.html#a798df9ebd558e22c85eeceb5202e3123">setTitle</a>(<span class="stringliteral">&quot;* Single-ended two-stage amplifier&quot;</span>);</div><div class="line"></div><div class="line"> <span class="comment">// PARAMS</span></div><div class="line"> circuit-&gt;<a class="code" href="class_s_p_i_c_e_1_1_circuit.html#ab3ab147a16bc490ce96db905a4ca271c">addParameter</a>(<span class="stringliteral">&quot;CC_VALUE&quot;</span>, <span class="stringliteral">&quot;2.8794pF&quot;</span>);</div><div class="line"> circuit-&gt;<a class="code" href="class_s_p_i_c_e_1_1_circuit.html#ab3ab147a16bc490ce96db905a4ca271c">addParameter</a>(<span class="stringliteral">&quot;L_VALUE&quot;</span> , <span class="stringliteral">&quot;0.340e-6&quot;</span>);</div><div class="line"></div><div class="line"> <span class="comment">// SUBCKTS</span></div><div class="line"> <span class="comment">// CurrentMirror</span></div><div class="line"> <a class="code" href="class_s_p_i_c_e_1_1_subckt.html">SPICE::Subckt</a>* CM = circuit-&gt;<a class="code" href="class_s_p_i_c_e_1_1_circuit.html#a0d1352e46d4537ce1e5f651de40e91a6">addSubckt</a>(<span class="stringliteral">&quot;currentMirrorPMOS&quot;</span>);</div><div class="line"> CM-&gt;<a class="code" href="class_s_p_i_c_e_1_1_subckt.html#ac162264683fa3d9b3384d3e8cc291fa2">addInterface</a>(<span class="stringliteral">&quot;d1&quot;</span>);</div><div class="line"> CM-&gt;<a class="code" href="class_s_p_i_c_e_1_1_subckt.html#ac162264683fa3d9b3384d3e8cc291fa2">addInterface</a>(<span class="stringliteral">&quot;d2&quot;</span>);</div><div class="line"> CM-&gt;<a class="code" href="class_s_p_i_c_e_1_1_subckt.html#ac162264683fa3d9b3384d3e8cc291fa2">addInterface</a>(<span class="stringliteral">&quot;s1&quot;</span>);</div><div class="line"> CM-&gt;<a class="code" href="class_s_p_i_c_e_1_1_subckt.html#ac162264683fa3d9b3384d3e8cc291fa2">addInterface</a>(<span class="stringliteral">&quot;s2&quot;</span>);</div><div class="line"> CM-&gt;<a class="code" href="class_s_p_i_c_e_1_1_subckt.html#ab3ab147a16bc490ce96db905a4ca271c">addParameter</a>(<span class="stringliteral">&quot;l_val&quot;</span> , <span class="stringliteral">&quot;0.0&quot;</span> );</div><div class="line"> CM-&gt;<a class="code" href="class_s_p_i_c_e_1_1_subckt.html#ab3ab147a16bc490ce96db905a4ca271c">addParameter</a>(<span class="stringliteral">&quot;w_val&quot;</span> , <span class="stringliteral">&quot;0.0&quot;</span> );</div><div class="line"> CM-&gt;<a class="code" href="class_s_p_i_c_e_1_1_subckt.html#ab3ab147a16bc490ce96db905a4ca271c">addParameter</a>(<span class="stringliteral">&quot;nf_val&quot;</span> , <span class="stringliteral">&quot;1&quot;</span> );</div><div class="line"> CM-&gt;<a class="code" href="class_s_p_i_c_e_1_1_subckt.html#ab3ab147a16bc490ce96db905a4ca271c">addParameter</a>(<span class="stringliteral">&quot;aeq_val&quot;</span> , <span class="
<h2><a class="anchor" id="spicePython"></a>
Python</h2>
<h3><a class="anchor" id="spiceParsePython"></a>
Parser</h3>
<p>The following python script (<code>parseSpice.py</code>) is an example of how to parse a SPICE file using python module. </p><div class="fragment"><div class="line"><span class="keyword">import</span> sys</div><div class="line"></div><div class="line"><span class="keyword">from</span> SPICE <span class="keyword">import</span> *</div><div class="line"></div><div class="line"><span class="keyword">def </span>printContents(circuit):</div><div class="line"> <span class="keywordflow">print</span> <span class="stringliteral">&quot;+&quot;</span>, circuit.title</div><div class="line"></div><div class="line"> <span class="keywordflow">if</span> len(circuit.getIncludes()):</div><div class="line"> <span class="keywordflow">print</span> <span class="stringliteral">&quot;| + includes&quot;</span></div><div class="line"> <span class="keywordflow">for</span> include <span class="keywordflow">in</span> circuit.getIncludes():</div><div class="line"> <span class="keywordflow">print</span> <span class="stringliteral">&quot;| |&quot;</span>, include</div><div class="line"></div><div class="line"> <span class="keywordflow">if</span> len(circuit.getLibraries()):</div><div class="line"> <span class="keywordflow">print</span> <span class="stringliteral">&quot;| + libraries&quot;</span></div><div class="line"> <span class="keywordflow">for</span> (lib, typ) <span class="keywordflow">in</span> circuit.getLibraries():</div><div class="line"> <span class="keywordflow">print</span> <span class="stringliteral">&quot;| |&quot;</span>, lib, typ</div><div class="line"></div><div class="line"> <span class="keywordflow">if</span> len(circuit.getParameters()):</div><div class="line"> <span class="keywordflow">print</span> <span class="stringliteral">&quot;| + parameters&quot;</span></div><div class="line"> <span class="keywordflow">for</span> (name, value) <span class="keywordflow">in</span> circuit.getParameters().items():</div><div class="line"> <span class="keywordflow">print</span> <span class="stringliteral">&quot;| | %s=%s&quot;</span>%(name, value)</div><div class="line"></div><div class="line"> <span class="keywordflow">if</span> len(circuit.getOptions()):</div><div class="line"> <span class="keywordflow">print</span> <span class="stringliteral">&quot;| + options&quot;</span></div><div class="line"> <span class="keywordflow">for</span> (name, value) <span class="keywordflow">in</span> circuit.getOptions().items():</div><div class="line"> <span class="keywordflow">print</span> <span class="stringliteral">&quot;| | %s=%s&quot;</span>%(name, value)</div><div class="line"></div><div class="line"> <span class="keywordflow">if</span> len(circuit.getSources()):</div><div class="line"> <span class="keywordflow">print</span> <span class="stringliteral">&quot;| + sources&quot;</span></div><div class="line"> <span class="keywordflow">for</span> source <span class="keywordflow">in</span> circuit.getSources():</div><div class="line"> <span class="keywordflow">print</span> <span class="stringliteral">&quot;| |&quot;</span>, source.getName(), source.getPositive(), source.getNegative(), source.getValue()</div><div class="line"></div><div class="line"> <span class="keywordflow">if</span> len(circuit.getSubckts()):</div><div class="line"> <span class="keywordflow">print</span> <span class="stringliteral">&quot;| + subckts&quot;</span></div><div class="line"> <span class="keywordflow">for</span> sub <span class="keywordflow">in</span> circuit.getSubckts():</div><div class="line"> <span class="keywordflow">print</span> <span class="stringliteral">&quot;| | +&quot;</span>, sub.getName(),</div><div class="line"> <span class="keywordflow">for</span> interf <span class="keywordflow">in</span> sub.getInterfaces():</div><div class="line"> <span class="keywordflow">print</span> interf,</div><div class="line"> <span class="keywordflow">if</span> len(sub.getParameters()):</div><div class="line"> <span class="keywordflow">print</span> <span class="stringliteral">&quot;param:&
Driver</h3>
<p>This python script (<code>driveSpice.py</code>) generates an myOTA.spi file equivalent to the included one. </p><div class="fragment"><div class="line"><span class="keyword">from</span> SPICE <span class="keyword">import</span> *</div><div class="line"></div><div class="line">circuit = Circuit()</div><div class="line"></div><div class="line">circuit.title = <span class="stringliteral">&#39;* Single-ended two-stage amplifier&#39;</span></div><div class="line"></div><div class="line"><span class="comment"># PARAMS</span></div><div class="line">circuit.addParameter(<span class="stringliteral">&quot;CC_VALUE&quot;</span>, <span class="stringliteral">&quot;2.8794pF&quot;</span>);</div><div class="line">circuit.addParameter(<span class="stringliteral">&quot;L_VALUE&quot;</span> , <span class="stringliteral">&quot;0.340e-6&quot;</span>);</div><div class="line"></div><div class="line"><span class="comment"># SUBCKTS</span></div><div class="line"><span class="comment"># CurrentMirror</span></div><div class="line">CM = circuit.addSubckt(<span class="stringliteral">&quot;currentMirrorPMOS&quot;</span>);</div><div class="line">CM.addInterface(<span class="stringliteral">&quot;d1&quot;</span>);</div><div class="line">CM.addInterface(<span class="stringliteral">&quot;d2&quot;</span>);</div><div class="line">CM.addInterface(<span class="stringliteral">&quot;s1&quot;</span>);</div><div class="line">CM.addInterface(<span class="stringliteral">&quot;s2&quot;</span>);</div><div class="line">CM.addParameter(<span class="stringliteral">&quot;l_val&quot;</span> , <span class="stringliteral">&quot;0.0&quot;</span> );</div><div class="line">CM.addParameter(<span class="stringliteral">&quot;w_val&quot;</span> , <span class="stringliteral">&quot;0.0&quot;</span> );</div><div class="line">CM.addParameter(<span class="stringliteral">&quot;nf_val&quot;</span> , <span class="stringliteral">&quot;1&quot;</span> );</div><div class="line">CM.addParameter(<span class="stringliteral">&quot;aeq_val&quot;</span> , <span class="stringliteral">&quot;100e-6&quot;</span>);</div><div class="line">CM.addParameter(<span class="stringliteral">&quot;temp_val&quot;</span>, <span class="stringliteral">&quot;27&quot;</span> );</div><div class="line"></div><div class="line">cmP3 = Mosfet(<span class="stringliteral">&quot;P3&quot;</span>, <span class="stringliteral">&quot;d1&quot;</span>, <span class="stringliteral">&quot;d1&quot;</span>, <span class="stringliteral">&quot;s1&quot;</span>, <span class="stringliteral">&quot;s1&quot;</span>, <span class="stringliteral">&quot;psvt&quot;</span>);</div><div class="line">cmP3.addParameter(<span class="stringliteral">&quot;l&quot;</span> , <span class="stringliteral">&quot;l_val&quot;</span> );</div><div class="line">cmP3.addParameter(<span class="stringliteral">&quot;wf&quot;</span> , <span class="stringliteral">&quot;{w_val/nf_val}&quot;</span>);</div><div class="line">cmP3.addParameter(<span class="stringliteral">&quot;nf&quot;</span> , <span class="stringliteral">&quot;nf_val&quot;</span> );</div><div class="line">cmP3.addParameter(<span class="stringliteral">&quot;aeq&quot;</span> , <span class="stringliteral">&quot;aeq_val&quot;</span> );</div><div class="line">cmP3.addParameter(<span class="stringliteral">&quot;tempsimu&quot;</span>, <span class="stringliteral">&quot;temp_val&quot;</span> );</div><div class="line">CM.addInstance(cmP3);</div><div class="line"></div><div class="line">cmP4 = Mosfet(<span class="stringliteral">&quot;P4&quot;</span>, <span class="stringliteral">&quot;d2&quot;</span>, <span class="stringliteral">&quot;d1&quot;</span>, <span class="stringliteral">&quot;s2&quot;</span>, <span class="stringliteral">&quot;s2&quot;</span>, <span class="stringliteral">&quot;psvt&quot;</span>);</div><div class="line">cmP4.addParameter(<span class="stringliteral">&quot;l&quot;</span> , <span class="stringliteral">&quot;l_val&quot;</span> );</div><div class="line">cmP4.addParameter(<span class="stringliteral">&quot;wf&quot;</span> , <sp
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