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8<title>MIDIRead</title>
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12
13<h1>MIDIRead</h1>
14
15<h2>Syntax</h2>
16<dl><dd><pre class="construction">
17#include &lt;revolution/midi.h&gt;
18
19#define MIDI_CHAN0                   0
20#define MIDI_CHAN1                   1
21#define MIDI_CHAN2                   2
22#define MIDI_CHAN3                   3
23#define MIDI_MAX_CHAN                4
24
25#define MIDI_JSTAT_MASK           0x3a
26#define MIDI_JSTAT_FLAGS_SHIFT       4
27#define MIDI_JSTAT_FLAGS_MASK     0x30
28#define MIDI_JSTAT_SEND           0x08
29#define MIDI_JSTAT_RECV           0x02
30
31s32 MIDIRead(s32 chan, u8* dst, u8* status);
32</pre></dd></dl>
33
34<h2>Arguments</h2>
35<p>
36<TABLE class="arguments" border="1" >
37  <tr>
38<TH>chan</TH>
39<TD>One of the <code>MIDI_CHAN<em>n</em></code> GameCube controller ports.</TD>
40  </tr>
41  <tr>
42<TH>dst</TH>
43<TD>u8 type of pointer to the buffer storing read data.</TD>
44  </tr>
45  <tr>
46<TH>status</TH>
47<TD>Pointer to the u8 type of variable, which stores the status value returned by the MIDI adapter. The value is masked using <CODE>MIDI_JSTAT_MASK</CODE> and is valid only when execution terminates normally.</TD>
48  </tr>
49</TABLE>
50</p>
51
52<h2>Return Values</h2>
53<p>
54Returns one of the following codes. If <CODE>MIDI_READY</CODE> is returned, execution terminated normally.
55<p>
56<code>MIDI_READY<br> MIDI_NOT_READY<br></code>
57</p>
58</p>
59
60<h2>Description</h2>
61<p>
62Gets four bytes of data from the MIDI adapter.<br>Function call will fail if a MIDI adapter is not connected.
63</p>
64
65<h2>See Also</h2>
66<p class="reference">
67<a href="./MIDIReadAsync.html">MIDIReadAsync</a>
68</p>
69
70<h2>Revision History</h2>
71<p>
722007/05/09 Initial version.<br>
73</p>
74
75<hr><p>CONFIDENTIAL</p></body>
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