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<title>Graphic Equalizer: C:/Project Marcel & Oliver/Graphic_Equalizer/src/events.hcc Source File</title>
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<a class="el" href="dir_000000.html">C:</a> / <a class="el" href="dir_000001.html">Project Marcel & Oliver</a> / <a class="el" href="dir_000002.html">Graphic_Equalizer</a> / <a class="el" href="dir_000004.html">src</a></div>
<h1>events.hcc</h1><a href="events_8hcc.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment">00001
00022 <span class="comment">/******** System Includes *************/</span>
00023 <span class="preprocessor">#include <stdlib.hch></span>
00024
00025 <span class="preprocessor">#include "pal_master.hch"</span>
00026
00027 <span class="comment">/******** Application Includes ********/</span>
00028 <span class="preprocessor">#include "<a class="code" href="configuration_8hch.html">configuration.hch</a>"</span>
00029 <span class="preprocessor">#include "<a class="code" href="eventhandler__shared_8hch.html">eventhandler_shared.hch</a>"</span>
00030 <span class="preprocessor">#include "<a class="code" href="events_8hch.html">events.hch</a>"</span>
00031
00032 <span class="preprocessor">#if HAVE_DEBUG</span>
00033 <span class="preprocessor"></span><span class="preprocessor"> #include "debug.hch"</span>
00034 <span class="preprocessor">#endif</span>
00035 <span class="preprocessor"></span>
00036
<a name="l00049"></a><a class="code" href="events_8hcc.html#a2">00049</a> <span class="keywordtype">void</span> <a class="code" href="events_8hcc.html#a2">load_preset</a>(<span class="keywordtype">unsigned</span> 20 preset_address, <span class="keywordtype">unsigned</span> 4 *equalizer_levels) {
00050 macro expr RAM_BANK0 = PalPL2RAMCT(0);
00051 macro expr AW = PalPL2RAMGetMaxAddressWidthCT();
00052 macro expr DW = PalPL2RAMGetMaxDataWidthCT();
00053
00054 <span class="keywordtype">unsigned</span> DW data;
00055 <span class="keywordtype">unsigned</span> AW address;
00056 <span class="keywordtype">unsigned</span> 10 equalizer_index;
00057
00058 address = preset_address;
00059 <span class="comment">/*</span>
00060 <span class="comment"> * PL2Ram needs a clockclycle between the set of an address and read.</span>
00061 <span class="comment"> * Therefore we set it once here.</span>
00062 <span class="comment"> */</span>
00063 PalPL2RAMSetReadAddress(RAM_BANK0, address);
00064
00065 <span class="comment">/*</span>
00066 <span class="comment"> *</span>
00067 <span class="comment"> */</span>
00068 <span class="keywordflow">for</span> (equalizer_index = 0; equalizer_index != 768; equalizer_index += 2) {
00069 <span class="comment">/*</span>
00070 <span class="comment"> * We've allready set the address hence we can allready</span>
00071 <span class="comment"> * increase it for next use.</span>
00072 <span class="comment"> */</span>
00073 address++;
00074
00075 PalPL2RAMRead(RAM_BANK0, &data);
00076 <span class="preprocessor">#if HAVE_DEBUG</span>
00077 <span class="preprocessor"></span> print_hex_value(0 @ data[3:0]);print_string(<span class="stringliteral">" "</span>);print_hex_value(0 @ data[7:4]);print_eol();
00078 <span class="preprocessor">#endif</span>
00079 <span class="preprocessor"></span> equalizer_levels[equalizer_index] = data[3:0];
00080 equalizer_levels[equalizer_index +1] = data[7:4];
00081 }
00082 } <span class="comment">/* --- load_preset() --- */</span>
00083
00084
00085
00086 <span class="comment">/*</span>
00087 <span class="comment"> * Equalizer lookuptabes.</span>
00088 <span class="comment"> * TODO: This table is now hardcoded. To ensure full skinability this table</span>
00089 <span class="comment"> * should be dynamically loaded.</span>
00090 <span class="comment"> */</span>
00091 ram <span class="keywordtype">unsigned</span> 4 equalizer_table[640] = {15, 15, 15, 15, 15, 14, 14, 14, 14, 13, 13, 13, 13, 12, 12, 12, 12, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0, 0};
00092 ram <span class="keywordtype">unsigned</span> 10 equalizer_table_inv[16] = {446, 444, 440, 436, 432, 428, 424, 420, 416, 412, 408, 404, 400, 396, 392, 384};
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