Xcos help: fix FR_fr headless build
[scilab.git] / scilab / modules / xcos / help / fr_FR / palettes / Integer_pal / DLATCH.xml
1 <?xml version="1.0" encoding="UTF-8"?>
2 <!--
3  * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
4  * Copyright (C) 2011 - Bernard DUJARDIN <bernard.dujardin@contrib.scilab.org>
5  *
6  * This file must be used under the terms of the CeCILL.
7  * This source file is licensed as described in the file COPYING, which
8  * you should have received as part of this distribution.  The terms
9  * are also available at
10  * http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
11  *
12  -->
13 <refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:svg="http://www.w3.org/2000/svg" xmlns:ns5="http://www.w3.org/1999/xhtml" xmlns:db="http://docbook.org/ns/docbook" xmlns:scilab="http://www.scilab.org" xml:id="DLATCH" xml:lang="fr_FR" xml.mml="http://www.w3.org/1998/Math/MathML">
14     <refnamediv>
15         <refname>DLATCH</refname>
16         <refpurpose>Bascule D transparente</refpurpose>
17     </refnamediv>
18     <refsection>
19         <title>Aperçu</title>
20         <para>
21             <inlinemediaobject>
22                 <imageobject>
23                     <imagedata fileref="../../../../images/palettes/DLATCH.png" align="center" valign="middle"/>
24                 </imageobject>
25             </inlinemediaobject>
26         </para>
27     </refsection>
28     <refsection id="Contents_DLATCH">
29         <title>Contenu</title>
30         <itemizedlist>
31             <listitem>
32                 <para>
33                     <link linkend="DLATCH">Bascule D transparente</link>
34                 </para>
35             </listitem>
36             <listitem>
37                 <itemizedlist>
38                     <listitem>
39                         <para>
40                             <xref linkend="Palette_DLATCH">Palette</xref>
41                         </para>
42                     </listitem>
43                     <listitem>
44                         <para>
45                             <xref linkend="Description_DLATCH">Description</xref>
46                         </para>
47                     </listitem>
48                     <listitem>
49                         <para>
50                             <xref linkend="Data_Type_DLATCH">Types de données</xref>
51                         </para>
52                     </listitem>
53                     <listitem>
54                         <para>
55                             <xref linkend="Defaultproperties_DLATCH">Propriétés par défaut</xref>
56                         </para>
57                     </listitem>
58                     <listitem>
59                         <para>
60                             <xref linkend="Example_DLATCH">Exemple</xref>
61                         </para>
62                     </listitem>
63                     <listitem>
64                         <para>
65                             <xref linkend="Interfacingfunction_DLATCH">Fonction d'interfaçage</xref>
66                         </para>
67                     </listitem>
68                     <listitem>
69                         <para>
70                             <xref linkend="Seealso_DLATCH">Voir aussi</xref>
71                         </para>
72                     </listitem>
73                 </itemizedlist>
74             </listitem>
75         </itemizedlist>
76     </refsection>
77     <refsection id="Palette_DLATCH">
78         <title>Palette</title>
79         <itemizedlist>
80             <listitem>
81                 <para>
82                     <link linkend="Integer_pal">Palette Entier</link>
83                 </para>
84             </listitem>
85         </itemizedlist>
86     </refsection>
87     <refsection id="Description_DLATCH">
88         <title>Description</title>
89         <para>
90             Ce bloc copie son état d'entrée (<emphasis role="bold">D</emphasis>) sur la sortie
91             (<emphasis role="bold">Q</emphasis>) quand l'entrée de validation
92             (<emphasis role="bold">C</emphasis>) est haute et dans cette configuration, il apparaît comme transparent. La sortie <emphasis role="bold">!Q</emphasis> est la négation logique de
93             <emphasis role="bold">Q</emphasis>.
94         </para>
95         <para>
96             Quand l'entrée de validation devient basse, la sortie garde son état antérieur et agit comme une mémoire.
97         </para>
98         <para>
99             Ce bloc peut être typiquement utilisé dans les ports d'entrée/sortie.
100         </para>
101         <para>
102             La table de vérité du bloc est la suivante :
103         </para>
104         <para/>
105         <informaltable border="1" cellpadding="3">
106             <tr>
107                 <td align="left">
108                     <latex><![CDATA[\boldsymbol{C}]]></latex>
109                 </td>
110                 <td align="left">
111                     <latex><![CDATA[\boldsymbol{D}]]></latex>
112                 </td>
113                 <td align="left">
114                     <latex><![CDATA[\boldsymbol{Q_n}]]></latex>
115                 </td>
116                 <td align="left">
117                     <latex><![CDATA[\boldsymbol{!Q_n}]]></latex>
118                 </td>
119                 <td align="left"/>
120             </tr>
121             <tr>
122                 <td align="left">
123                     <latex><![CDATA[0]]></latex>
124                 </td>
125                 <td align="left">
126                     <latex><![CDATA[X]]></latex>
127                 </td>
128                 <td align="left">
129                     <latex><![CDATA[Q_{n-1}]]></latex>
130                 </td>
131                 <td align="left">
132                     <latex><![CDATA[!Q_{n-1}]]></latex>
133                 </td>
134                 <td align="left">Sans changements</td>
135             </tr>
136             <tr>
137                 <td align="left">
138                     <latex><![CDATA[1]]></latex>
139                 </td>
140                 <td align="left">
141                     <latex><![CDATA[0]]></latex>
142                 </td>
143                 <td align="left">
144                     <latex><![CDATA[0]]></latex>
145                 </td>
146                 <td align="left">
147                     <latex><![CDATA[1]]></latex>
148                 </td>
149                 <td align="left">Remise à 0</td>
150             </tr>
151             <tr>
152                 <td align="left">
153                     <latex><![CDATA[1]]></latex>
154                 </td>
155                 <td align="left">
156                     <latex><![CDATA[1]]></latex>
157                 </td>
158                 <td align="left">
159                     <latex><![CDATA[1]]></latex>
160                 </td>
161                 <td align="left">
162                     <latex><![CDATA[0]]></latex>
163                 </td>
164                 <td align="left">Mise à 1</td>
165             </tr>
166         </informaltable>
167         <para>
168             où 
169             <emphasis>
170                 <literal>X</literal>
171             </emphasis>
172             signifie "indifférent" et 
173             <emphasis><literal>
174                     Q<subscript>n-1</subscript>
175                 </literal>
176             </emphasis>
177             l'état antérieur de 
178             <emphasis><literal>
179                     Q<subscript>n</subscript>
180                 </literal>
181             </emphasis>
182             .
183         </para>
184     </refsection>
185     <refsection id="Data_Type_DLATCH">
186         <title>Types de données</title>
187         <para>
188             Le bloc supporte les types suivants :
189         </para>
190         <itemizedlist>
191             <listitem>
192                 <para>
193                     Entrées :
194                 </para>
195                 <itemizedlist>
196                     <listitem>
197                         <para>
198                             <emphasis role="bold">D</emphasis> : scalaire. Seulement le type entier int8 de Scilab.
199                         </para>
200                     </listitem>
201                     <listitem>
202                         <para>
203                             <emphasis role="bold">C</emphasis> : scalaire. Le type réel double de Scilab.
204                         </para>
205                     </listitem>
206                 </itemizedlist>
207                 <para>
208                     Une entrée positive est considérée comme un 1 logique, une entrée négative ou nulle comme un 0 logique.
209                 </para>
210             </listitem>
211             <listitem>
212                 <para>
213                     Sorties : scalaires. Type int8 de Scilab.
214                 </para>
215             </listitem>
216         </itemizedlist>
217     </refsection>
218     <refsection id="Defaultproperties_DLATCH">
219         <title>Propriétés par défaut</title>
220         <itemizedlist>
221             <listitem>
222                 <para>
223                     <emphasis role="bold">always active:</emphasis> non
224                 </para>
225             </listitem>
226             <listitem>
227                 <para>
228                     <emphasis role="bold">direct-feedthrough:</emphasis> oui
229                 </para>
230             </listitem>
231             <listitem>
232                 <para>
233                     <emphasis role="bold">zero-crossing:</emphasis> non
234                 </para>
235             </listitem>
236             <listitem>
237                 <para>
238                     <emphasis role="bold">mode:</emphasis> non
239                 </para>
240             </listitem>
241             <listitem>
242                 <para>
243                     <emphasis role="bold">regular inputs:</emphasis>
244                 </para>
245                 <para>
246                     <emphasis role="bold">- port 1 : size [1,1] / type 5</emphasis>
247                 </para>
248                 <para>
249                     <emphasis role="bold">- port 2 : size [1,1] / type -1</emphasis>
250                 </para>
251             </listitem>
252             <listitem>
253                 <para>
254                     <emphasis role="bold">regular outputs:</emphasis>
255                 </para>
256                 <para>
257                     <emphasis role="bold">- port 1 : size [1,1] / type 5</emphasis>
258                 </para>
259                 <para>
260                     <emphasis role="bold">- port 2 : size [1,1] / type 5</emphasis>
261                 </para>
262             </listitem>
263             <listitem>
264                 <para>
265                     <emphasis role="bold">number/sizes of activation inputs:</emphasis> 0
266                 </para>
267             </listitem>
268             <listitem>
269                 <para>
270                     <emphasis role="bold">number/sizes of activation outputs:</emphasis> 0
271                 </para>
272             </listitem>
273             <listitem>
274                 <para>
275                     <emphasis role="bold">continuous-time state:</emphasis> non
276                 </para>
277             </listitem>
278             <listitem>
279                 <para>
280                     <emphasis role="bold">discrete-time state:</emphasis> non
281                 </para>
282             </listitem>
283             <listitem>
284                 <para>
285                     <emphasis role="bold">object discrete-time state:</emphasis> non
286                 </para>
287             </listitem>
288             <listitem>
289                 <para>
290                     <emphasis role="bold">name of computational function:</emphasis>
291                     <emphasis role="italic">csuper</emphasis>
292                 </para>
293             </listitem>
294         </itemizedlist>
295     </refsection>
296     <refsection id="Example_DLATCH">
297         <title>Exemple</title>
298         <para>
299             La figure suivante montre un cas simple d'utilisation du bloc DLATCH avec
300             son chronogramme.
301             <link type="scilab" linkend="scilab.xcos/xcos/examples/integer_pal/fr_FR/DLATCH_fr_FR.xcos">
302                 Ouvrir cet exemple dans Xcos
303             </link>
304         </para>
305         <para/>
306         <para>
307             <link type="scilab" linkend="scilab.xcos/xcos/examples/integer_pal/fr_FR/DLATCH_fr_FR.xcos">
308                 <inlinemediaobject>
309                     <imageobject>
310                         <imagedata fileref="../../../../examples/integer_pal/fr_FR/DLATCH_fr_FR.xcos" valign="middle"/>
311                     </imageobject>
312                 </inlinemediaobject>
313             </link>
314             <scilab:image><![CDATA[
315 // overload messagebox to avoid the "no continuous states" messages
316 function [btn] = messagebox(msg, msgboxtitle, msgboxicon, buttons, ismodal)
317         btn=1;
318 endfunction
319
320 importXcosDiagram(SCI + "/modules/xcos/examples/integer_pal/fr_FR/DLATCH_fr_FR.xcos");
321 xcos_simulate(scs_m, 4);
322 ]]></scilab:image>
323         </para>
324     </refsection>
325     <refsection id="Interfacingfunction_DLATCH">
326         <title>Fonction d'interfaçage</title>
327         <itemizedlist>
328             <listitem>
329                 <para>
330                     <link type="scilab" linkend="scilab.scinotes/scicos_blocks/macros/IntegerOp/DLATCH.sci">SCI/modules/scicos_blocks/macros/IntegerOp/DLATCH.sci</link>
331                 </para>
332             </listitem>
333         </itemizedlist>
334     </refsection>
335     <refsection role="see also" id="Seealso_DLATCH">
336         <title>Voir aussi</title>
337         <itemizedlist>
338             <listitem>
339                 <link linkend="DFLIPFLOP">DFLIPFLOP</link>
340             </listitem>
341             <listitem>
342                 <link linkend="SRFLIPFLOP">SRFLIPFLOP</link>
343             </listitem>
344             <listitem>
345                 <link linkend="JKFLIPFLOP">JKFLIPFLOP</link>
346             </listitem>
347         </itemizedlist>
348     </refsection>
349 </refentry>