1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>Chapter 4. MIDI API</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="The ALSA Driver API"><link rel="up" href="index.html" title="The ALSA Driver API"><link rel="prev" href="API-snd-ctl-add-slave-uncached.html" title="snd_ctl_add_slave_uncached"><link rel="next" href="API-snd-rawmidi-receive.html" title="snd_rawmidi_receive"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 4. MIDI API</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-snd-ctl-add-slave-uncached.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="API-snd-rawmidi-receive.html">Next</a></td></tr></table><hr></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a name="idp1094863132"></a>Chapter 4. MIDI API</h1></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl class="toc"><dt><span class="sect1"><a href="ch04.html#idp1094863404">Raw MIDI API</a></span></dt><dt><span class="sect1"><a href="ch04s02.html">MPU401-UART API</a></span></dt></dl></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="idp1094863404"></a>Raw MIDI API</h2></div></div></div><div class="toc"><dl class="toc"><dt><span class="refentrytitle"><a href="API-snd-rawmidi-receive.html"><span class="phrase">snd_rawmidi_receive</span></a></span><span class="refpurpose"> — 2 receive the input data from the device 3 </span></dt><dt><span class="refentrytitle"><a href="API-snd-rawmidi-transmit-empty.html"><span class="phrase">snd_rawmidi_transmit_empty</span></a></span><span class="refpurpose"> — 4 check whether the output buffer is empty 5 </span></dt><dt><span class="refentrytitle"><a href="API---snd-rawmidi-transmit-peek.html"><span class="phrase">__snd_rawmidi_transmit_peek</span></a></span><span class="refpurpose"> — 6 copy data from the internal buffer 7 </span></dt><dt><span class="refentrytitle"><a href="API-snd-rawmidi-transmit-peek.html"><span class="phrase">snd_rawmidi_transmit_peek</span></a></span><span class="refpurpose"> — 8 copy data from the internal buffer 9 </span></dt><dt><span class="refentrytitle"><a href="API---snd-rawmidi-transmit-ack.html"><span class="phrase">__snd_rawmidi_transmit_ack</span></a></span><span class="refpurpose"> — 10 acknowledge the transmission 11 </span></dt><dt><span class="refentrytitle"><a href="API-snd-rawmidi-transmit-ack.html"><span class="phrase">snd_rawmidi_transmit_ack</span></a></span><span class="refpurpose"> — 12 acknowledge the transmission 13 </span></dt><dt><span class="refentrytitle"><a href="API-snd-rawmidi-transmit.html"><span class="phrase">snd_rawmidi_transmit</span></a></span><span class="refpurpose"> — 14 copy from the buffer to the device 15 </span></dt><dt><span class="refentrytitle"><a href="API-snd-rawmidi-new.html"><span class="phrase">snd_rawmidi_new</span></a></span><span class="refpurpose"> — 16 create a rawmidi instance 17 </span></dt><dt><span class="refentrytitle"><a href="API-snd-rawmidi-set-ops.html"><span class="phrase">snd_rawmidi_set_ops</span></a></span><span class="refpurpose"> — 18 set the rawmidi operators 19 </span></dt></dl></div></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-snd-ctl-add-slave-uncached.html">Prev</a> </td><td width="20%" align="center"> </td><td width="40%" align="right"> <a accesskey="n" href="API-snd-rawmidi-receive.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">snd_ctl_add_slave_uncached</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span class="phrase">snd_rawmidi_receive</span></td></tr></table></div></body></html> 20