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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<title>libwireless: Wireless Basic</title>
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      <li><a href="index.html"><span>Main&nbsp;Page</span></a></li>
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<div class="contents">
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<h1>Wireless Basic</h1>
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<p>Wireless abstraction for easily sending and receing packets.
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<a href="#_details">More...</a></p>
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<table border="0" cellpadding="0" cellspacing="0">
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<tr><td colspan="2"><h2>Data Structures</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">struct &nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="structPacketInfo.html">PacketInfo</a></td></tr>
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<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">struct that contains relevant packet information  <a href="structPacketInfo.html#_details">More...</a><br/></td></tr>
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<tr><td colspan="2"><h2>Defines</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga366b705160e22c2a6c4ea2c3c22e3485"></a><!-- doxytag: member="wl_basic::WL_BASIC_GROUP" ref="ga366b705160e22c2a6c4ea2c3c22e3485" args="" -->
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#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__wl__basic.html#ga366b705160e22c2a6c4ea2c3c22e3485">WL_BASIC_GROUP</a>&nbsp;&nbsp;&nbsp;8</td></tr>
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<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">default wireless group for basic sending and receiving packets <br/></td></tr>
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<tr><td colspan="2"><h2>Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__wl__basic.html#gaae4a8ae98cc33955ee20b6e481d47adf">wl_basic_init</a> (void(*handle_receive)(char type, int source, unsigned char *packet, int length))</td></tr>
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<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">init wireless for Basic Group  <a href="#gaae4a8ae98cc33955ee20b6e481d47adf"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__wl__basic.html#gae482937c7c29521030a33ecbc5d2dd9d">wl_basic_init_default</a> (void)</td></tr>
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<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">init wireless for Basic Group with default packet handling  <a href="#gae482937c7c29521030a33ecbc5d2dd9d"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__wl__basic.html#gaebc714e1bf382a98ac7a43762bf905c5">wl_basic_register_handler</a> (void(*handle_receive)(char type, int source, unsigned char *packet, int length))</td></tr>
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<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">internal function to register a packet handler function  <a href="#gaebc714e1bf382a98ac7a43762bf905c5"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__wl__basic.html#gad5d7334484e49cc3cb9ebe2cfc323115">wl_basic_send_robot_packet</a> (char type, char *data, int len, int dest)</td></tr>
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<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">send a packet to a single robot in Basic Group  <a href="#gad5d7334484e49cc3cb9ebe2cfc323115"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__wl__basic.html#ga72d4f604603ef2541b5f4d3ae467938e">wl_basic_send_global_packet</a> (char type, char *data, int len)</td></tr>
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<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">send a packet to all robots in Basic Group  <a href="#ga72d4f604603ef2541b5f4d3ae467938e"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__wl__basic.html#ga0ad976b2b61cca0081123606101c97cd">wl_basic_packet_receive_handler</a> (char type, int source, unsigned char *packet, int length)</td></tr>
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<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">internal default packet handler if none is specified on init  <a href="#ga0ad976b2b61cca0081123606101c97cd"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">unsigned char *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__wl__basic.html#gad10a8456bc3d30d22fe1dbd40b6e0dbb">wl_basic_do_default</a> (void)</td></tr>
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<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">wrapper for <a class="el" href="group__wireless.html#ga5c1f1a0e20fc718e59edc29246afd703" title="Perform wireless library functionality.">wl_do()</a> to return packet data buffer  <a href="#gad10a8456bc3d30d22fe1dbd40b6e0dbb"></a><br/></td></tr>
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<tr><td colspan="2"><h2>Variables</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gaf0fa88111d706ef4e8b3bda5bc32596c"></a><!-- doxytag: member="wl_basic::wl_basic_group_handler" ref="gaf0fa88111d706ef4e8b3bda5bc32596c" args="" -->
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<a class="el" href="structPacketGroupHandler.html">PacketGroupHandler</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__wl__basic.html#gaf0fa88111d706ef4e8b3bda5bc32596c">wl_basic_group_handler</a></td></tr>
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<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight"><a class="el" href="structPacketGroupHandler.html">PacketGroupHandler</a> struct for Basic Group. <br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga6c9a887fb0b719948025f195efff1af9"></a><!-- doxytag: member="wl_basic::current_packet" ref="ga6c9a887fb0b719948025f195efff1af9" args="" -->
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struct <a class="el" href="structPacketInfo.html">PacketInfo</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__wl__basic.html#ga6c9a887fb0b719948025f195efff1af9">current_packet</a></td></tr>
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<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">current packet information, correct after wl_basic_do() <br/></td></tr>
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</table>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
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<p>Wireless abstraction for easily sending and receing packets. </p>
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<p>A high level abstraction of the wireless library.</p>
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<p>This will allow you to easily send and receive packets. </p>
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<hr/><h2>Function Documentation</h2>
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<a class="anchor" id="gad10a8456bc3d30d22fe1dbd40b6e0dbb"></a><!-- doxytag: member="wl_basic.h::wl_basic_do_default" ref="gad10a8456bc3d30d22fe1dbd40b6e0dbb" args="(void)" -->
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          <td class="memname">unsigned char* wl_basic_do_default </td>
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          <td>(</td>
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<p>wrapper for <a class="el" href="group__wireless.html#ga5c1f1a0e20fc718e59edc29246afd703" title="Perform wireless library functionality.">wl_do()</a> to return packet data buffer </p>


    		
  

  

    
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<p>Wrapper for <a class="el" href="group__wireless.html#ga5c1f1a0e20fc718e59edc29246afd703" title="Perform wireless library functionality.">wl_do()</a> for use with the Basic Wireless group. Can only be called if wl_basic_init_default and your packets are handled with the default packet handler. To access packet information, use <a class="el" href="structPacketInfo.html" title="struct that contains relevant packet information">PacketInfo</a> current_packet.</p>


    		
  

  

    
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<dl class="return"><dt><b>Returns:</b></dt><dd>pointer to the data of the packet just received, 0 if no new packet </dd></dl>


    		
  

  

    
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<p>References <a class="el" href="wl__basic_8h_source.html#l00046">current_packet</a>, and <a class="el" href="wireless_8c_source.html#l00390">wl_do()</a>.</p>


    		
  

  

    
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<a class="anchor" id="gaae4a8ae98cc33955ee20b6e481d47adf"></a><!-- doxytag: member="wl_basic.h::wl_basic_init" ref="gaae4a8ae98cc33955ee20b6e481d47adf" args="(void(*handle_receive)(char type, int source, unsigned char *packet, int length))" -->


    		
  

  

    
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          <td class="memname">int wl_basic_init </td>


    		
  

  

    
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          <td>(</td>


    		
  

  

    
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          <td class="paramtype">void(*)(char type, int source, unsigned char *packet, int length)&nbsp;</td>


    		
  

  

    
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          <td class="paramname"> <em>handle_receive</em></td>


    		
  

  

    
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          <td>&nbsp;)&nbsp;</td>


    		
  

  

    
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<p>init wireless for Basic Group </p>


    		
  

  

    
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<p>Wrapper for <a class="el" href="group__wireless.html#gaedd4562415e273ce6537f9c1a0f2701b" title="Initialize the wireless library.">wl_init()</a>. Initializes wireless and registers a packet handler function for Basic Group.</p>


    		
  

  

    
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<dl><dt><b>Parameters:</b></dt><dd>


    		
  

  

    
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    <tr><td valign="top"></td><td valign="top"><em>handle_receive</em>&nbsp;</td><td>function pointer to handler function for Basic Group </td></tr>


    		
  

  

    
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<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success, -1 on error </dd></dl>


    		
  

  

    
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<p>References <a class="el" href="wl__basic_8h_source.html#l00046">current_packet</a>, <a class="el" href="wl__basic_8c_source.html#l00042">wl_basic_register_handler()</a>, and <a class="el" href="wireless_8c_source.html#l00102">wl_init()</a>.</p>


    		
  

  

    
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<p>Referenced by <a class="el" href="wl__basic_8c_source.html#l00033">wl_basic_init_default()</a>.</p>


    		
  

  

    
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<a class="anchor" id="gae482937c7c29521030a33ecbc5d2dd9d"></a><!-- doxytag: member="wl_basic.h::wl_basic_init_default" ref="gae482937c7c29521030a33ecbc5d2dd9d" args="(void)" -->


    		
  

  

    
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          <td class="memname">int wl_basic_init_default </td>


    		
  

  

    
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          <td>(</td>


    		
  

  

    
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          <td>&nbsp;)&nbsp;</td>


    		
  

  

    
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<p>init wireless for Basic Group with default packet handling </p>


    		
  

  

    
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<p>Wrapper for <a class="el" href="group__wireless.html#gaedd4562415e273ce6537f9c1a0f2701b" title="Initialize the wireless library.">wl_init()</a>. Initializes wireless and registers the default packet handler for Basig Group. </p>


    		
  

  

    
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<p>References <a class="el" href="wl__basic_8c_source.html#l00020">wl_basic_init()</a>, and <a class="el" href="wl__basic_8c_source.html#l00085">wl_basic_packet_receive_handler()</a>.</p>


    		
  

  

    
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<a class="anchor" id="ga0ad976b2b61cca0081123606101c97cd"></a><!-- doxytag: member="wl_basic.h::wl_basic_packet_receive_handler" ref="ga0ad976b2b61cca0081123606101c97cd" args="(char type, int source, unsigned char *packet, int length)" -->


    		
  

  

    
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          <td class="memname">void wl_basic_packet_receive_handler </td>


    		
  

  

    
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          <td>(</td>


    		
  

  

    
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          <td class="paramtype">char&nbsp;</td>


    		
  

  

    
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          <td class="paramname"> <em>type</em>, </td>


    		
  

  

    
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          <td class="paramname"> <em>source</em>, </td>


    		
  

  

    
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          <td class="paramtype">unsigned char *&nbsp;</td>


    		
  

  

    
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          <td class="paramname"> <em>packet</em>, </td>


    		
  

  

    
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          <td>)</td>


    		
  

  

    
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<p>internal default packet handler if none is specified on init </p>


    		
  

  

    
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<p>Default packet handler used if none is specified on init. This should not be called directly by any user program.</p>


    		
  

  

    
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<dl><dt><b>Parameters:</b></dt><dd>


    		
  

  

    
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    <tr><td valign="top"></td><td valign="top"><em>type</em>&nbsp;</td><td>Packet type </td></tr>


    		
  

  

    
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    <tr><td valign="top"></td><td valign="top"><em>source</em>&nbsp;</td><td>the robot ID of the sending robot </td></tr>


    		
  

  

    
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    <tr><td valign="top"></td><td valign="top"><em>packet</em>&nbsp;</td><td>Packet buffer, data you received </td></tr>


    		
  

  

    
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    <tr><td valign="top"></td><td valign="top"><em>length</em>&nbsp;</td><td>Length of the data buffer in bytes </td></tr>


    		
  

  

    
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<p>References <a class="el" href="wl__basic_8h_source.html#l00046">current_packet</a>.</p>


    		
  

  

    
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<p>Referenced by <a class="el" href="wl__basic_8c_source.html#l00033">wl_basic_init_default()</a>.</p>


    		
  

  

    
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<a class="anchor" id="gaebc714e1bf382a98ac7a43762bf905c5"></a><!-- doxytag: member="wl_basic.h::wl_basic_register_handler" ref="gaebc714e1bf382a98ac7a43762bf905c5" args="(void(*handle_receive)(char type, int source, unsigned char *packet, int length))" -->


    		
  

  

    
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          <td class="memname">void wl_basic_register_handler </td>


    		
  

  

    
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          <td>&nbsp;)&nbsp;</td>


    		
  

  

    
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<p>internal function to register a packet handler function </p>


    		
  

  

    
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<p>Internal function to register a packet group handler for Basic Group.</p>


    		
  

  

    
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<dl><dt><b>Parameters:</b></dt><dd>


    		
  

  

    
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  <table border="0" cellspacing="2" cellpadding="0">


    		
  

  

    
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    <tr><td valign="top"></td><td valign="top"><em>handle_receive</em>&nbsp;</td><td>function pointer to handler function for Basic Group </td></tr>


    		
  

  

    
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<p>References <a class="el" href="wireless_8h_source.html#l00091">PacketGroupHandler::groupCode</a>, <a class="el" href="structPacketGroupHandler.html#a5c01636d72de2ddafc734ab754d93104">PacketGroupHandler::handle_receive</a>, <a class="el" href="structPacketGroupHandler.html#a045939030c6e2f2dd0d53b5718d9f902">PacketGroupHandler::handle_response</a>, <a class="el" href="structPacketGroupHandler.html#a952b4b63982db13f55c02e17c55ab5ac">PacketGroupHandler::timeout_handler</a>, <a class="el" href="structPacketGroupHandler.html#ac03247d5c07e97e35b1f557c0937b0eb">PacketGroupHandler::unregister</a>, <a class="el" href="wl__basic_8h_source.html#l00027">WL_BASIC_GROUP</a>, <a class="el" href="wl__basic_8h_source.html#l00030">wl_basic_group_handler</a>, and <a class="el" href="wireless_8c_source.html#l00342">wl_register_packet_group()</a>.</p>


    		
  

  

    
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<p>Referenced by <a class="el" href="wl__basic_8c_source.html#l00020">wl_basic_init()</a>.</p>


    		
  

  

    
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<a class="anchor" id="ga72d4f604603ef2541b5f4d3ae467938e"></a><!-- doxytag: member="wl_basic.h::wl_basic_send_global_packet" ref="ga72d4f604603ef2541b5f4d3ae467938e" args="(char type, char *data, int len)" -->


    		
  

  

    
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          <td class="memname">void wl_basic_send_global_packet </td>


    		
  

  

    
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          <td>(</td>


    		
  

  

    
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          <td class="paramtype">char&nbsp;</td>


    		
  

  

    
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          <td class="paramtype">int&nbsp;</td>


    		
  

  

    
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          <td>)</td>


    		
  

  

    
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<p>send a packet to all robots in Basic Group </p>


    		
  

  

    
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<p>Send a packet to all robots in Basic Group.</p>


    		
  

  

    
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    <tr><td valign="top"></td><td valign="top"><em>type</em>&nbsp;</td><td>Packet type </td></tr>


    		
  

  

    
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    <tr><td valign="top"></td><td valign="top"><em>data</em>&nbsp;</td><td>Packet buffer, data you want to send </td></tr>


    		
  

  

    
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    <tr><td valign="top"></td><td valign="top"><em>len</em>&nbsp;</td><td>Length of the data buffer in bytes </td></tr>


    		
  

  

    
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<p>References <a class="el" href="wl__basic_8h_source.html#l00027">WL_BASIC_GROUP</a>, and <a class="el" href="wireless_8c_source.html#l00285">wl_send_global_packet()</a>.</p>


    		
  

  

    
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<a class="anchor" id="gad5d7334484e49cc3cb9ebe2cfc323115"></a><!-- doxytag: member="wl_basic.h::wl_basic_send_robot_packet" ref="gad5d7334484e49cc3cb9ebe2cfc323115" args="(char type, char *data, int len, int dest)" -->


    		
  

  

    
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          <td class="memname">void wl_basic_send_robot_packet </td>


    		
  

  

    
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<p>send a packet to a single robot in Basic Group </p>


    		
  

  

    
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<p>Send a packet to a single robot in Basic Group.</p>


    		
  

  

    
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<dl><dt><b>Parameters:</b></dt><dd>


    		
  

  

    
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    <tr><td valign="top"></td><td valign="top"><em>data</em>&nbsp;</td><td>Packet buffer, data you want to send </td></tr>


    		
  

  

    
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    <tr><td valign="top"></td><td valign="top"><em>dest</em>&nbsp;</td><td>Robot ID of the destination robot </td></tr>


    		
  

  

    
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<p>References <a class="el" href="wl__basic_8h_source.html#l00027">WL_BASIC_GROUP</a>, and <a class="el" href="wireless_8c_source.html#l00252">wl_send_robot_to_robot_global_packet()</a>.</p>


    		
  

  

    
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<hr size="1"/><address style="text-align: right;"><small>Generated on Sun Sep 20 12:12:02 2009 for libwireless by&nbsp;


    		
  

  

    
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.1 </small></address>


    		
  

  

    
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