193 lines
9.5 KiB
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193 lines
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<a href="#func-members">Functions</a> |
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<div class="headertitle"><div class="title">osAiSetNextBuffer.c File Reference</div></div>
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<div class="textblock"><code>#include "<a class="el" href="libultra__internal_8h_source.html">libultra_internal.h</a>"</code><br />
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<code>#include "<a class="el" href="osAi_8h_source.html">osAi.h</a>"</code><br />
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<code>#include "<a class="el" href="hardware_8h_source.html">hardware.h</a>"</code><br />
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Include dependency graph for osAiSetNextBuffer.c:</div>
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Functions</h2></td></tr>
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<tr class="memitem:a6681a9f4e2c91e1754c5443234263629" id="r_a6681a9f4e2c91e1754c5443234263629"><td class="memItemLeft" align="right" valign="top">s32 </td><td class="memItemRight" valign="bottom"><a class="el" href="#a6681a9f4e2c91e1754c5443234263629">osAiSetNextBuffer</a> (void *buff, u32 len)</td></tr>
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Variables</h2></td></tr>
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<tr class="memitem:a4376859bf8f61dc96cfd831aa5bdaf54" id="r_a4376859bf8f61dc96cfd831aa5bdaf54"><td class="memItemLeft" align="right" valign="top">u8 </td><td class="memItemRight" valign="bottom"><a class="el" href="#a4376859bf8f61dc96cfd831aa5bdaf54">hdwrBugFlag</a> = 0</td></tr>
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<tr class="separator:a4376859bf8f61dc96cfd831aa5bdaf54"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<h2 class="groupheader">Function Documentation</h2>
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<a id="a6681a9f4e2c91e1754c5443234263629" name="a6681a9f4e2c91e1754c5443234263629"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a6681a9f4e2c91e1754c5443234263629">◆ </a></span>osAiSetNextBuffer()</h2>
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<div class="memitem">
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<td class="memname">s32 osAiSetNextBuffer </td>
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<td>(</td>
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<td class="paramtype">void *</td> <td class="paramname"><span class="paramname"><em>buff</em></span>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">u32</td> <td class="paramname"><span class="paramname"><em>len</em></span> )</td>
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</div><div class="memdoc">
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<p>It is worth noting that a previous hardware bug has been fixed by a software patch in osAiSetNextBuffer. This bug occurred when the address of the end of the buffer specified by osAiSetNextBuffer was at a specific value. This value occurred when the following was true: </p><pre class="fragment">(vaddr + nbytes) & 0x00003FFF == 0x00002000
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</pre><p>(when the buffer ends with address of lower 14 bits 0x2000) In this case, the DMA transfer does not complete successfully. This can cause clicks and pops in the audio output. This bug no longer requires special handling by the application because it is now patched by osAiSetNextBuffer. </p>
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Here is the caller graph for this function:</div>
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<div class="center"><div class="zoom"><iframe scrolling="no" frameborder="0" src="osAiSetNextBuffer_8c_a6681a9f4e2c91e1754c5443234263629_icgraph.svg" width="100%" height="300"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div></div>
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<h2 class="groupheader">Variable Documentation</h2>
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<a id="a4376859bf8f61dc96cfd831aa5bdaf54" name="a4376859bf8f61dc96cfd831aa5bdaf54"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a4376859bf8f61dc96cfd831aa5bdaf54">◆ </a></span>hdwrBugFlag</h2>
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<td class="memname">u8 hdwrBugFlag = 0</td>
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