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12      <title>OpenColor</title>
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14      <meta name="date" content="2009-07-20">
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19<p class="header">RWTH - Mindstorms NXT Toolbox</p>
20      <div class="content">
21         <h1>OpenColor</h1>
22         <!--introduction-->
23         <p>Initializes and sets the mode of the HiTechnic color sensor</p>
24         <!--/introduction-->
25         <h2>Contents</h2>
26         <div>
27            <ul>
28               <li><a href="#2">Syntax</a></li>
29               <li><a href="#5">Description</a></li>
30               <li><a href="#11">Examples</a></li>
31               <li><a href="#13">See also</a></li>
32               <li><a href="#15">Signature</a></li>
33            </ul>
34         </div>
35         <h2>Syntax<a name="2"></a></h2>
36         <p><tt>OpenColor(port)</tt></p>
37         <p><tt>OpenColor(port, handle)</tt></p>
38         <h2>Description<a name="5"></a></h2>
39         <p><tt>OpenColor(port)</tt> initializes the input mode of HiTechnic Color sensor specified by the sensor port. The value <tt>port</tt> can be addressed by the symbolic constants <tt>SENSOR_1</tt> , <tt>SENSOR_2</tt>, <tt>SENSOR_3</tt> and <tt>SENSOR_4</tt> analog to the labeling on the NXT Brick.
40         </p>
41         <p>With <tt>GetColor(port)</tt> you can receive color values as RGB or Index.
42         </p>
43         <p>The last optional argument can be a valid NXT handle. If none is specified, the default handle will be used (call <tt>COM_SetDefaultNXT</tt> to set one).
44         </p>
45         <p>Since the Color sensor is a digital sensor (that uses the I&sup2;C protocol), the function <tt>NXT_SetInputMode</tt> cannot be used as for analog sensors.
46         </p>
47         <h2>Examples<a name="11"></a></h2><pre class="codeinput">   OpenColor(SENSOR_2);
48   [index r g b] = GetColor(SENSOR_2, 0);
49   CloseSensor(SENSOR_2);
50</pre><h2>See also<a name="13"></a></h2>
51         <p><a href="GetColor.html">GetColor</a>, <a href="CloseSensor.html">CloseSensor</a>, <a href="COM_ReadI2C.html">COM_ReadI2C</a>, <a href="NXT_LSGetStatus.html">NXT_LSGetStatus</a>, <a href="NXT_LSRead.html">NXT_LSRead</a>, </p>
52         <h2>Signature<a name="15"></a></h2>
53         <div>
54            <ul>
55               <li><b>Author:</b> Rainer Schnitzler (see AUTHORS)
56               </li>
57               <li><b>Date:</b> 2008/10/01
58               </li>
59               <li><b>Copyright:</b> 2007-2009, RWTH Aachen University
60               </li>
61            </ul>
62         </div>
63         <p class="footer"><br>
64            Published with wg_publish; V1.0<br></p>
65      </div>
66      <!--
67##### SOURCE BEGIN #####
68%% OpenColor
69% Initializes and sets the mode of the HiTechnic color sensor
70%%
71%% Syntax
72% |OpenColor(port)|
73%%
74% |OpenColor(port, handle)|
75%%
76%% Description
77% |OpenColor(port)| initializes the input mode of HiTechnic Color sensor specified by the sensor
78% port. The value |port| can be addressed by the symbolic constants
79% |SENSOR_1| , |SENSOR_2|, |SENSOR_3| and |SENSOR_4| analog to the labeling on the NXT Brick.
80%%
81% With |GetColor(port)| you can receive color values as RGB or Index.
82%%
83% The last optional argument can be a valid NXT handle. If none is
84% specified, the default handle will be used (call |COM_SetDefaultNXT| to
85% set one).
86%%
87% Since the Color sensor is a digital sensor (that uses the I²C protocol),
88% the function |NXT_SetInputMode| cannot be used as for analog sensors.
89%%
90%%
91%% Examples
92   OpenColor(SENSOR_2);
93   [index r g b] = GetColor(SENSOR_2, 0);
94   CloseSensor(SENSOR_2);
95%%
96%% See also
97% GetColor, CloseSensor, COM_ReadI2C, NXT_LSGetStatus, NXT_LSRead
98%%
99%% Signature
100%%
101% * *Author:* Rainer Schnitzler (see AUTHORS)
102% * *Date:* 2008/10/01
103% * *Copyright:* 2007-2009, RWTH Aachen University
104%
105
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