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9<TITLE>Audio Interface (AI) API Function List</TITLE>
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12<H1><A name="Operating System API">Audio Interface (AI) API Function List</A></H1>
13
14<H2><a name="General">General Functions</a></H2>
15<TABLE class="api_list" border="1">
16  <TBODY>
17    <TR>
18<TH><a href="General/AICheckInit.html">AICheckInit</a></TH>
19<TD>Checks whether the AI library is already initialized.</TD>
20    </TR>
21    <TR>
22<TH><a href="General/AIInit.html">AIInit</a></TH>
23<TD>Initializes the AI library.</TD>
24    </TR>
25    <TR>
26<TH><a href="General/AIReset.html">AIReset</a></TH>
27<TD>Clears the AI library's initialization flag.</TD>
28    </TR>
29  </TBODY>
30</TABLE>
31
32<H2><a name="DMA">DMA</a></H2>
33<TABLE class="api_list" border="1">
34  <TBODY>
35    <TR>
36<TH><a href="DMA/AIGetDMABytesLeft.html">AIGetDMABytesLeft</a></TH>
37<TD>Returns the amount of audio data that has not been DMA-processed remaining in the audio buffer currently being output to the AI.</TD>
38    </TR>
39    <TR>
40<TH><a href="DMA/AIGetDMAEnableFlag.html">AIGetDMAEnableFlag</a></TH>
41<TD>Gets the operational status of AI DMA.</TD>
42    </TR>
43    <TR>
44<TH><a href="DMA/AIGetDMALength.html">AIGetDMALength</a></TH>
45<TD>Gets the size of the DMA programmed in the AI DMA controller</TD>
46    </TR>
47    <TR>
48<TH><a href="DMA/AIGetDMAStartAddr.html">AIGetDMAStartAddr</a></TH>
49<TD>Gets the starting address of the DMA programmed in the AI DMA controller</TD>
50    </TR>
51    <TR>
52<TH><a href="DMA/AIInitDMA.html">AIInitDMA</a></TH>
53<TD>Programs the DMA starting address and DMA size in the AI DMA controller.</TD>
54    </TR>
55    <TR>
56<TH><a href="DMA/AIRegisterDMACallback.html">AIRegisterDMACallback</a></TH>
57<TD>Registers the callback function to be called at an AI DMA interrupt (<CODE>AIDINT</CODE>).</TD>
58    </TR>
59    <TR>
60<TH><a href="DMA/AISetDSPSampleRate.html">AISetDSPSampleRate</a></TH>
61<TD>Sets the sampling frequency for audio data output from the DSP.</TD>
62    </TR>
63    <TR>
64<TH><a href="DMA/AIStartDMA.html">AIStartDMA</a></TH>
65<TD>Starts AI DMA based on the parameters set by the immediately previous call to the <code>AIInitDMA</code> function.</TD>
66    </TR>
67    <TR>
68<TH><a href="DMA/AIStopDMA.html">AIStopDMA</a></TH>
69<TD>Stops AI DMA.</TD>
70    </TR>
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72</TABLE>
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