blob: 48b00aa046d2194674f053a9bb4689a0d1fa134f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
<title>Graphic Equalizer 2: C:/Project Marcel & Oliver/Graphic_Equalizer/include/audio.hch Source File</title>
<link href="doxygen.css" rel="stylesheet" type="text/css">
</head><body>
<!-- Generated by Doxygen 1.3.9.1 -->
<div class="qindex"><a class="qindex" href="main.html">Main Page</a> | <a class="qindex" href="annotated.html">Data Structures</a> | <a class="qindex" href="dirs.html">Directories</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="functions.html">Data Fields</a> | <a class="qindex" href="globals.html">Globals</a></div>
<div class="nav">
<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_000003.html">include</a></div>
<h1>audio.hch</h1><a href="audio_8hch.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment">00001
00019 <span class="preprocessor">#ifndef _AUDIO_HCH</span>
<a name="l00020"></a><a class="code" href="audio_8hch.html#a0">00020</a> <span class="preprocessor"></span><span class="preprocessor">#define _AUDIO_HCH 1</span>
00021 <span class="preprocessor"></span>
00022 <span class="comment">/*</span>
00023 <span class="comment"> * Type definition of the shared memory to be used in various processes</span>
00024 <span class="comment"> */</span>
<a name="l00025"></a><a class="code" href="structaudiodata__t.html">00025</a> <span class="keyword">typedef</span> <span class="keyword">struct </span>{
00026 mpram {
00027 ram <span class="keywordtype">unsigned</span> 7 write[256];
00028 rom <span class="keywordtype">unsigned</span> 7 read[256];
00029 } fft_info with { block = <span class="stringliteral">"BlockRAM"</span>};
00030 mpram {
00031 ram <span class="keywordtype">unsigned</span> 6 write[256];
00032 rom <span class="keywordtype">unsigned</span> 6 read[256];
00033 } ifft_info with { block = <span class="stringliteral">"BlockRAM"</span>};
<a name="l00034"></a><a class="code" href="structaudiodata__t.html#o0">00034</a> <span class="keywordtype">unsigned</span> 4 *equalizer_levels_ptr;
<a name="l00035"></a><a class="code" href="structaudiodata__t.html#o1">00035</a> <span class="keywordtype">unsigned</span> 1 display_log;
00036 } <a class="code" href="structaudiodata__t.html">audiodata_t</a>;
00037
00038
00039
00040
00041 <span class="comment">/*</span>
00042 <span class="comment"> * States used to indicate wether audio data is sampled.</span>
00043 <span class="comment"> */</span>
<a name="l00044"></a><a class="code" href="audio_8hch.html#a1">00044</a> <span class="preprocessor">#define AUDIO_NOT_READY 0</span>
<a name="l00045"></a><a class="code" href="audio_8hch.html#a2">00045</a> <span class="preprocessor"></span><span class="preprocessor">#define AUDIO_READY 1</span>
00046 <span class="preprocessor"></span>
00047
00048
00049 <span class="comment">/*</span>
00050 <span class="comment"> * Line in or Mic in aliases for audio_init.</span>
00051 <span class="comment"> */</span>
<a name="l00052"></a><a class="code" href="audio_8hch.html#a3">00052</a> <span class="preprocessor">#define LINE_IN RC200AudioInLineIn</span>
<a name="l00053"></a><a class="code" href="audio_8hch.html#a4">00053</a> <span class="preprocessor"></span><span class="preprocessor">#define MIC_IN RC200AudioInMicrophone</span>
00054 <span class="preprocessor"></span>
00055
00056
00057 <span class="comment">/*</span>
00058 <span class="comment"> * Sample Rate Aliases for audio_init.</span>
00059 <span class="comment"> */</span>
<a name="l00060"></a><a class="code" href="audio_8hch.html#a5">00060</a> <span class="preprocessor">#define SR_8000 RC200AudioSampleRate8000</span>
<a name="l00061"></a><a class="code" href="audio_8hch.html#a6">00061</a> <span class="preprocessor"></span><span class="preprocessor">#define SR_11025 RC200AudioSampleRate11025</span>
<a name="l00062"></a><a class="code" href="audio_8hch.html#a7">00062</a> <span class="preprocessor"></span><span class="preprocessor">#define SR_16000 RC200AudioSampleRate16000</span>
<a name="l00063"></a><a class="code" href="audio_8hch.html#a8">00063</a> <span class="preprocessor"></span><span class="preprocessor">#define SR_22050 RC200AudioSampleRate22050</span>
<a name="l00064"></a><a class="code" href="audio_8hch.html#a9">00064</a> <span class="preprocessor"></span><span class="preprocessor">#define SR_44100 RC200AudioSampleRate44100</span>
<a name="l00065"></a><a class="code" href="audio_8hch.html#a10">00065</a> <span class="preprocessor"></span><span class="preprocessor">#define SR_48000 RC200AudioSampleRate48000</span>
00066 <span class="preprocessor"></span>
00067
00068
00069 <span class="comment">/*</span>
00070 <span class="comment"> * Initialize the Audio sub-system. gain_level sets the internal amplifier to</span>
00071 <span class="comment"> * passed level, input_source chooses between line in or mic in. The</span>
00072 <span class="comment"> * sample_rate is set to supplied rate. Defines for these are mentioned above.</span>
00073 <span class="comment"> */</span>
00074 macro proc <a class="code" href="audio_8hcc.html#a0">audio_init</a>(gain_level, input_source, sample_rate, AUDIOIN, AUDIOOUT);
00075
00076
00077
00078 <span class="comment">/*</span>
00079 <span class="comment"> * Main audiodriver loop. This procedure never returns! It handles audio io and</span>
00080 <span class="comment"> * updates the shared memory. It needs Audio I/O handlers passed.</span>
00081 <span class="comment"> */</span>
00082 macro proc <a class="code" href="audio_8hcc.html#a1">audio_main</a>(audiodata, AUDIOIN, AUDIOOUT);
00083
00084 <span class="preprocessor">#else</span>
00085 <span class="preprocessor"></span><span class="preprocessor">#error "ERROR file audio.hch multiple times included"</span>
00086 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* --- _AUDIO_HCH --- */</span>
00087
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Thu Dec 9 14:37:05 2004 for Graphic Equalizer 2 by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.3.9.1 </small></address>
</body>
</html>
|
