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<title>ArduinoLibs: Dumping Infrared Remote Control Codes</title>
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<div class="title">Dumping Infrared Remote Control Codes </div> </div>
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<div class="textblock"><p>This example uses the <a class="el" href="classIRreceiver.html" title="Manages the reception of RC-5 commands from an infrared remote control.">IRreceiver</a> class to dump commands that are received from an infrared remote control that is compatible with the <a href="http://en.wikipedia.org/wiki/RC-5">Philips RC-5 protocol</a>. Commands are dumped to the serial port. The example needs a 3-pin infrared receiver connected to D2, GND, and 5V:</p>
<div class="image">
<img src="irchip.jpg" alt="irchip.jpg"/>
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<p>The full source code for the example follows:</p>
<div class="fragment"><pre class="fragment"><span class="comment">/* This example is placed into the public domain */</span>
<span class="preprocessor">#include &lt;IRreceiver.h&gt;</span>
<a class="code" href="classIRreceiver.html" title="Manages the reception of RC-5 commands from an infrared remote control.">IRreceiver</a> ir;
<span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *systems[32] = {
<span class="stringliteral">&quot;TV&quot;</span>,
<span class="stringliteral">&quot;TV2&quot;</span>,
<span class="stringliteral">&quot;TXT&quot;</span>,
<span class="stringliteral">&quot;TV_EXT&quot;</span>,
<span class="stringliteral">&quot;LV&quot;</span>,
<span class="stringliteral">&quot;VCR&quot;</span>,
<span class="stringliteral">&quot;VCR2&quot;</span>,
<span class="stringliteral">&quot;Sys7&quot;</span>,
<span class="stringliteral">&quot;SAT&quot;</span>,
<span class="stringliteral">&quot;VCR_EXT&quot;</span>,
<span class="stringliteral">&quot;SAT2&quot;</span>,
<span class="stringliteral">&quot;Sys11&quot;</span>,
<span class="stringliteral">&quot;CD_VIDEO&quot;</span>,
<span class="stringliteral">&quot;Sys13&quot;</span>,
<span class="stringliteral">&quot;CD_PHOTO&quot;</span>,
<span class="stringliteral">&quot;Sys15&quot;</span>,
<span class="stringliteral">&quot;PREAMP&quot;</span>,
<span class="stringliteral">&quot;RADIO&quot;</span>,
<span class="stringliteral">&quot;REC&quot;</span>,
<span class="stringliteral">&quot;PREAMP2&quot;</span>,
<span class="stringliteral">&quot;CD&quot;</span>,
<span class="stringliteral">&quot;COMBI&quot;</span>,
<span class="stringliteral">&quot;AUDIO_SAT&quot;</span>,
<span class="stringliteral">&quot;REC2&quot;</span>,
<span class="stringliteral">&quot;Sys24&quot;</span>,
<span class="stringliteral">&quot;Sys25&quot;</span>,
<span class="stringliteral">&quot;CD_R&quot;</span>,
<span class="stringliteral">&quot;Sys27&quot;</span>,
<span class="stringliteral">&quot;Sys28&quot;</span>,
<span class="stringliteral">&quot;Sys29&quot;</span>,
<span class="stringliteral">&quot;Sys30&quot;</span>,
<span class="stringliteral">&quot;Sys31&quot;</span>
};
<span class="comment">// Selection of TV, VCR, and CD commands to assist with command identification.</span>
<span class="comment">// May not be correct for all system types.</span>
<span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *commands[128] = {
<span class="stringliteral">&quot;0&quot;</span>,
<span class="stringliteral">&quot;1&quot;</span>,
<span class="stringliteral">&quot;2&quot;</span>,
<span class="stringliteral">&quot;3&quot;</span>,
<span class="stringliteral">&quot;4&quot;</span>,
<span class="stringliteral">&quot;5&quot;</span>,
<span class="stringliteral">&quot;6&quot;</span>,
<span class="stringliteral">&quot;7&quot;</span>,
<span class="stringliteral">&quot;8&quot;</span>,
<span class="stringliteral">&quot;9&quot;</span>,
<span class="stringliteral">&quot;123&quot;</span>,
<span class="stringliteral">&quot;11&quot;</span>,
<span class="stringliteral">&quot;STANDBY&quot;</span>,
<span class="stringliteral">&quot;MUTE&quot;</span>,
<span class="stringliteral">&quot;PREFERENCES&quot;</span>,
<span class="stringliteral">&quot;DISPLAY_INFO&quot;</span>,
<span class="stringliteral">&quot;INC_VOLUME&quot;</span>,
<span class="stringliteral">&quot;DEC_VOLUME&quot;</span>,
<span class="stringliteral">&quot;INC_BRIGHTNESS&quot;</span>,
<span class="stringliteral">&quot;DEC_BRIGHTNESS&quot;</span>,
<span class="stringliteral">&quot;INC_SATURATION&quot;</span>,
<span class="stringliteral">&quot;DEC_SATURATION&quot;</span>,
<span class="stringliteral">&quot;INC_BASS&quot;</span>,
<span class="stringliteral">&quot;DEC_BASS&quot;</span>,
<span class="stringliteral">&quot;INC_TREBLE&quot;</span>,
<span class="stringliteral">&quot;DEC_TREBLE&quot;</span>,
<span class="stringliteral">&quot;BALANCE_LEFT&quot;</span>,
<span class="stringliteral">&quot;BALANCE_RIGHT&quot;</span>,
<span class="stringliteral">&quot;INC_CONTRAST&quot;</span>,
<span class="stringliteral">&quot;DEC_CONTRAST&quot;</span>,
<span class="stringliteral">&quot;SEARCH_UP&quot;</span>,
<span class="stringliteral">&quot;DEC_TINT&quot;</span>,
<span class="stringliteral">&quot;CHANNEL_UP&quot;</span>,
<span class="stringliteral">&quot;CHANNEL_DOWN&quot;</span>,
<span class="stringliteral">&quot;CHANNEL_LAST&quot;</span>,
<span class="stringliteral">&quot;STEREO_SELECT&quot;</span>,
<span class="stringliteral">&quot;STEREO_SPATIAL&quot;</span>,
<span class="stringliteral">&quot;STEREO_TOGGLE&quot;</span>,
<span class="stringliteral">&quot;SLEEP_TIMER&quot;</span>,
<span class="stringliteral">&quot;INC_TINT&quot;</span>,
<span class="stringliteral">&quot;SWITCH_RF&quot;</span>,
<span class="stringliteral">&quot;STORE&quot;</span>,
<span class="stringliteral">&quot;TIME&quot;</span>,
<span class="stringliteral">&quot;INC_SCAN&quot;</span>,
<span class="stringliteral">&quot;DEC_SCAN&quot;</span>,
<span class="stringliteral">&quot;TRAY&quot;</span>,
<span class="stringliteral">&quot;SECONDARY_MENU&quot;</span>,
<span class="stringliteral">&quot;CLOCK&quot;</span>,
<span class="stringliteral">&quot;PAUSE&quot;</span>,
<span class="stringliteral">&quot;ERASE&quot;</span>,
<span class="stringliteral">&quot;REWIND&quot;</span>,
<span class="stringliteral">&quot;GOTO&quot;</span>,
<span class="stringliteral">&quot;WIND&quot;</span>,
<span class="stringliteral">&quot;PLAY&quot;</span>,
<span class="stringliteral">&quot;STOP&quot;</span>,
<span class="stringliteral">&quot;RECORD&quot;</span>,
<span class="stringliteral">&quot;EXTERNAL_1&quot;</span>,
<span class="stringliteral">&quot;EXTERNAL_2&quot;</span>,
<span class="stringliteral">&quot;CLEAR_MEMORY&quot;</span>,
<span class="stringliteral">&quot;VIEW_DATA&quot;</span>,
<span class="stringliteral">&quot;12&quot;</span>,
<span class="stringliteral">&quot;SYSTEM_STANDBY&quot;</span>,
<span class="stringliteral">&quot;CRISP&quot;</span>,
<span class="stringliteral">&quot;TRANSMIT_MODE&quot;</span>,
<span class="stringliteral">&quot;Cmd64&quot;</span>,
<span class="stringliteral">&quot;Cmd65&quot;</span>,
<span class="stringliteral">&quot;Cmd66&quot;</span>,
<span class="stringliteral">&quot;Cmd67&quot;</span>,
<span class="stringliteral">&quot;Cmd68&quot;</span>,
<span class="stringliteral">&quot;Cmd69&quot;</span>,
<span class="stringliteral">&quot;AUDIO_RESPONSE&quot;</span>,
<span class="stringliteral">&quot;DIM&quot;</span>,
<span class="stringliteral">&quot;Cmd72&quot;</span>,
<span class="stringliteral">&quot;Cmd73&quot;</span>,
<span class="stringliteral">&quot;Cmd74&quot;</span>,
<span class="stringliteral">&quot;Cmd75&quot;</span>,
<span class="stringliteral">&quot;Cmd76&quot;</span>,
<span class="stringliteral">&quot;INC_LINEAR&quot;</span>,
<span class="stringliteral">&quot;DEC_LINEAR&quot;</span>,
<span class="stringliteral">&quot;SOUND_FUNCTIONS&quot;</span>,
<span class="stringliteral">&quot;UP&quot;</span>,
<span class="stringliteral">&quot;DOWN&quot;</span>,
<span class="stringliteral">&quot;MENU_ON&quot;</span>,
<span class="stringliteral">&quot;MENU_OFF&quot;</span>,
<span class="stringliteral">&quot;AV_STATUS&quot;</span>,
<span class="stringliteral">&quot;LEFT&quot;</span>,
<span class="stringliteral">&quot;RIGHT&quot;</span>,
<span class="stringliteral">&quot;OK&quot;</span>,
<span class="stringliteral">&quot;PIP&quot;</span>,
<span class="stringliteral">&quot;PIP_SHIFT&quot;</span>,
<span class="stringliteral">&quot;PIP_SWAP&quot;</span>,
<span class="stringliteral">&quot;PIP_STROBE&quot;</span>,
<span class="stringliteral">&quot;PIP_MULTI_STROBE&quot;</span>,
<span class="stringliteral">&quot;PIP_FREEZE_MAIN&quot;</span>,
<span class="stringliteral">&quot;PIP_MULTI_SCAN&quot;</span>,
<span class="stringliteral">&quot;PIP_SOURCE&quot;</span>,
<span class="stringliteral">&quot;PIP_MOSAIC&quot;</span>,
<span class="stringliteral">&quot;PIP_NOISE&quot;</span>,
<span class="stringliteral">&quot;PIP_STORE&quot;</span>,
<span class="stringliteral">&quot;PIP_PHOTO_FINISH&quot;</span>,
<span class="stringliteral">&quot;PIP_RECALL&quot;</span>,
<span class="stringliteral">&quot;PIP_FREEZE&quot;</span>,
<span class="stringliteral">&quot;PIP_UP&quot;</span>,
<span class="stringliteral">&quot;PIP_DOWN&quot;</span>,
<span class="stringliteral">&quot;PIP_SIZE&quot;</span>,
<span class="stringliteral">&quot;VERSION_FUNCTIONS&quot;</span>,
<span class="stringliteral">&quot;COLOR_KEY&quot;</span>,
<span class="stringliteral">&quot;RED&quot;</span>,
<span class="stringliteral">&quot;GREEN&quot;</span>,
<span class="stringliteral">&quot;YELLOW&quot;</span>,
<span class="stringliteral">&quot;CYAN&quot;</span>,
<span class="stringliteral">&quot;INDEX&quot;</span>,
<span class="stringliteral">&quot;NEXT_OPTION&quot;</span>,
<span class="stringliteral">&quot;PREVIOUS_OPTION&quot;</span>,
<span class="stringliteral">&quot;Cmd114&quot;</span>,
<span class="stringliteral">&quot;Cmd115&quot;</span>,
<span class="stringliteral">&quot;Cmd116&quot;</span>,
<span class="stringliteral">&quot;Cmd117&quot;</span>,
<span class="stringliteral">&quot;SUBMODE&quot;</span>,
<span class="stringliteral">&quot;OPTIONS&quot;</span>,
<span class="stringliteral">&quot;FADE&quot;</span>,
<span class="stringliteral">&quot;Cmd121&quot;</span>,
<span class="stringliteral">&quot;STORE_OPEN_CLOSE&quot;</span>,
<span class="stringliteral">&quot;CONNECT_EURO&quot;</span>,
<span class="stringliteral">&quot;DISCONNECT_EURO&quot;</span>,
<span class="stringliteral">&quot;Cmd125&quot;</span>,
<span class="stringliteral">&quot;Cmd126&quot;</span>,
<span class="stringliteral">&quot;Cmd127&quot;</span>
};
<span class="keywordtype">void</span> setup() {
Serial.begin(9600);
}
<span class="keywordtype">void</span> loop() {
<span class="keywordtype">int</span> cmd = ir.<a class="code" href="classIRreceiver.html#a4b021592a2b089dc2f1e138a38506fda" title="Returns the next command from the remote control.">command</a>();
<span class="keywordflow">if</span> (cmd &gt;= 0) {
Serial.print(<span class="stringliteral">&quot;IR system=&quot;</span>);
Serial.print(ir.<a class="code" href="classIRreceiver.html#a19e9334ae97812fa85078507d105478f" title="Returns the system number of the previous command(), indicating whether the command was for a TV...">system</a>());
Serial.print(<span class="stringliteral">&quot; (RC5_SYS_&quot;</span>);
Serial.print(systems[ir.<a class="code" href="classIRreceiver.html#a19e9334ae97812fa85078507d105478f" title="Returns the system number of the previous command(), indicating whether the command was for a TV...">system</a>()]);
Serial.print(<span class="stringliteral">&quot;), command=&quot;</span>);
Serial.print(cmd &amp; 0x7F);
Serial.print(<span class="stringliteral">&quot; (RC5_&quot;</span>);
Serial.print(commands[cmd &amp; 0x7F]);
Serial.print(<span class="stringliteral">&quot;)&quot;</span>);
<span class="keywordflow">if</span> (cmd &amp; <a class="code" href="classIRreceiver.html#a9c37631cc1291dc47cabcfef2f631cf9" title="Flag that is added to the output of command() when the command is an auto-repeated button press rathe...">IRreceiver::AUTO_REPEAT</a>)
Serial.println(<span class="stringliteral">&quot;, auto-repeat&quot;</span>);
<span class="keywordflow">else</span>
Serial.println();
}
}
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