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&#160;<span id="projectnumber">v2.4.1</span>
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<div class="title">audio/mic/source/main.c</div> </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><span class="preprocessor">#include &lt;stdlib.h&gt;</span></div>
<div class="line"><span class="preprocessor">#include &lt;stdio.h&gt;</span></div>
<div class="line"><span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><span class="preprocessor">#include &lt;malloc.h&gt;</span></div>
<div class="line"><span class="preprocessor">#include &lt;<a class="code" href="3ds_8h.html">3ds.h</a>&gt;</span></div>
<div class="line"> </div>
<div class="line"><span class="keywordtype">int</span> main()</div>
<div class="line">{</div>
<div class="line"> <a name="a0"></a><a class="code" href="gfx_8h.html#a236a005ae029247c8bfe4a4a649206fc">gfxInitDefault</a>();</div>
<div class="line"> <a name="a1"></a><a class="code" href="console_8h.html#a8e014e84f81ff901ca62d7669a8c8de8">consoleInit</a>(<a name="a2"></a><a class="code" href="gfx_8h.html#a356112d87f5cf6bbba3ea3b6b010e09cac1be8c2dee1ab5520b30ba069afa7541">GFX_BOTTOM</a>, NULL);</div>
<div class="line"> </div>
<div class="line"> <span class="keywordtype">bool</span> initialized = <span class="keyword">true</span>;</div>
<div class="line"> </div>
<div class="line"> <a class="code" href="types_8h.html#afaa62991928fb9fb18ff0db62a040aba">u32</a> micbuf_size = 0x30000;</div>
<div class="line"> <a class="code" href="types_8h.html#afaa62991928fb9fb18ff0db62a040aba">u32</a> micbuf_pos = 0;</div>
<div class="line"> <a class="code" href="types_8h.html#a92c50087ca0e64fa93fc59402c55f8ca">u8</a>* micbuf = memalign(0x1000, micbuf_size);</div>
<div class="line"> </div>
<div class="line"> printf(<span class="stringliteral">&quot;Initializing CSND...\n&quot;</span>);</div>
<div class="line"> <span class="keywordflow">if</span>(<a name="a3"></a><a class="code" href="result_8h.html#a0040b35f38c0d2fef6766d5b284fefc7">R_FAILED</a>(<a name="a4"></a><a class="code" href="csnd_8h.html#a3155c2b9f14c465baabd9fa92913347e">csndInit</a>()))</div>
<div class="line"> {</div>
<div class="line"> initialized = <span class="keyword">false</span>;</div>
<div class="line"> printf(<span class="stringliteral">&quot;Could not initialize CSND.\n&quot;</span>);</div>
<div class="line"> } <span class="keywordflow">else</span> printf(<span class="stringliteral">&quot;CSND initialized.\n&quot;</span>);</div>
<div class="line"> </div>
<div class="line"> printf(<span class="stringliteral">&quot;Initializing MIC...\n&quot;</span>);</div>
<div class="line"> <span class="keywordflow">if</span>(<a class="code" href="result_8h.html#a0040b35f38c0d2fef6766d5b284fefc7">R_FAILED</a>(<a name="a5"></a><a class="code" href="mic_8h.html#a01ab8a1440cd4d38855336e47e5ae380">micInit</a>(micbuf, micbuf_size)))</div>
<div class="line"> {</div>
<div class="line"> initialized = <span class="keyword">false</span>;</div>
<div class="line"> printf(<span class="stringliteral">&quot;Could not initialize MIC.\n&quot;</span>);</div>
<div class="line"> } <span class="keywordflow">else</span> printf(<span class="stringliteral">&quot;MIC initialized.\n&quot;</span>);</div>
<div class="line"> </div>
<div class="line"> <a class="code" href="types_8h.html#afaa62991928fb9fb18ff0db62a040aba">u32</a> micbuf_datasize = <a name="a6"></a><a class="code" href="mic_8h.html#a09361b33179e9ca5fd099161cf25d70a">micGetSampleDataSize</a>();</div>
<div class="line"> </div>
<div class="line"> <a class="code" href="types_8h.html#afaa62991928fb9fb18ff0db62a040aba">u32</a> audiobuf_size = 0x100000;</div>
<div class="line"> <a class="code" href="types_8h.html#afaa62991928fb9fb18ff0db62a040aba">u32</a> audiobuf_pos = 0;</div>
<div class="line"> <a class="code" href="types_8h.html#a92c50087ca0e64fa93fc59402c55f8ca">u8</a>* audiobuf = <a name="a7"></a><a class="code" href="linear_8h.html#a73a6bd0b398a08f695e16e07267a7424">linearAlloc</a>(audiobuf_size);</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">if</span>(initialized) printf(<span class="stringliteral">&quot;Hold A to record, release to play.\n&quot;</span>);</div>
<div class="line"> printf(<span class="stringliteral">&quot;Press START to exit.\n&quot;</span>);</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">while</span>(<a name="a8"></a><a class="code" href="apt_8h.html#a84808c36d9a8c389896ecf241c7f89cb">aptMainLoop</a>())</div>
<div class="line"> {</div>
<div class="line"> <a name="a9"></a><a class="code" href="hid_8h.html#abbbf0e1f3a79a75e459e19f85a66bee6">hidScanInput</a>();</div>
<div class="line"> <a name="a10"></a><a class="code" href="gspgpu_8h.html#abf0a992835649b5fe90e95d8a58b8c45">gspWaitForVBlank</a>();</div>
<div class="line"> </div>
<div class="line"> <a class="code" href="types_8h.html#afaa62991928fb9fb18ff0db62a040aba">u32</a> kDown = <a name="a11"></a><a class="code" href="hid_8h.html#aa2cababf764bf0b4297dc2e2fffe2a76">hidKeysDown</a>();</div>
<div class="line"> <span class="keywordflow">if</span> (kDown &amp; <a name="a12"></a><a class="code" href="hid_8h.html#a531c35e38ede3ea4e5ba5afb24b29493a616a1f5c4ed36080ca954453084aea3b">KEY_START</a>)</div>
<div class="line"> <span class="keywordflow">break</span>; <span class="comment">// break in order to return to hbmenu</span></div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">if</span>(initialized)</div>
<div class="line"> {</div>
<div class="line"> <span class="keywordflow">if</span>(kDown &amp; <a name="a13"></a><a class="code" href="hid_8h.html#a531c35e38ede3ea4e5ba5afb24b29493aa7b3a3d0503a46bec51c6e3da95747cc">KEY_A</a>)</div>
<div class="line"> {</div>
<div class="line"> audiobuf_pos = 0;</div>
<div class="line"> micbuf_pos = 0;</div>
<div class="line"> </div>
<div class="line"> printf(<span class="stringliteral">&quot;Stopping audio playback...\n&quot;</span>);</div>
<div class="line"> <a name="a14"></a><a class="code" href="csnd_8h.html#a5dbd86f6c7687b9a6f622b35cd02a798">CSND_SetPlayState</a>(0x8, 0);</div>
<div class="line"> <span class="keywordflow">if</span>(<a class="code" href="result_8h.html#a0040b35f38c0d2fef6766d5b284fefc7">R_FAILED</a>(<a name="a15"></a><a class="code" href="csnd_8h.html#a29f403e7faa5c335375e938dd0a242ad">CSND_UpdateInfo</a>(0))) printf(<span class="stringliteral">&quot;Failed to stop audio playback.\n&quot;</span>);</div>
<div class="line"> </div>
<div class="line"> printf(<span class="stringliteral">&quot;Starting sampling...\n&quot;</span>);</div>
<div class="line"> <span class="keywordflow">if</span>(<a name="a16"></a><a class="code" href="result_8h.html#aed427354b69859fdfab4dc33706acd45">R_SUCCEEDED</a>(<a name="a17"></a><a class="code" href="mic_8h.html#a79266af4aa50d790fba3680d423f6ff0">MICU_StartSampling</a>(<a name="a18"></a><a class="code" href="mic_8h.html#a3ead458d1aabf74550446b463b4fb54fab94c760d37cb05a0f9b35dfe308adf92">MICU_ENCODING_PCM16_SIGNED</a>, <a name="a19"></a><a class="code" href="mic_8h.html#ae126d52922918356ed810bcc398ad62ba2b9d600ba6fd888107ddcf0fabc1f5bf">MICU_SAMPLE_RATE_16360</a>, 0, micbuf_datasize, <span class="keyword">true</span>))) printf(<span class="stringliteral">&quot;Now recording.\n&quot;</span>);</div>
<div class="line"> <span class="keywordflow">else</span> printf(<span class="stringliteral">&quot;Failed to start sampling.\n&quot;</span>);</div>
<div class="line"> }</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">if</span>((<a name="a20"></a><a class="code" href="hid_8h.html#a68e8fd75a99650db835f045676a47949">hidKeysHeld</a>() &amp; <a class="code" href="hid_8h.html#a531c35e38ede3ea4e5ba5afb24b29493aa7b3a3d0503a46bec51c6e3da95747cc">KEY_A</a>) &amp;&amp; audiobuf_pos &lt; audiobuf_size)</div>
<div class="line"> {</div>
<div class="line"> <a class="code" href="types_8h.html#afaa62991928fb9fb18ff0db62a040aba">u32</a> micbuf_readpos = micbuf_pos;</div>
<div class="line"> micbuf_pos = <a name="a21"></a><a class="code" href="mic_8h.html#aa2590afec7ac205e877ab94c9203a4c9">micGetLastSampleOffset</a>();</div>
<div class="line"> <span class="keywordflow">while</span>(audiobuf_pos &lt; audiobuf_size &amp;&amp; micbuf_readpos != micbuf_pos)</div>
<div class="line"> {</div>
<div class="line"> audiobuf[audiobuf_pos] = micbuf[micbuf_readpos];</div>
<div class="line"> audiobuf_pos++;</div>
<div class="line"> micbuf_readpos = (micbuf_readpos + 1) % micbuf_datasize;</div>
<div class="line"> }</div>
<div class="line"> }</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">if</span>(<a name="a22"></a><a class="code" href="hid_8h.html#acefc6e65ac14a7e02c1c1fd72279eed4">hidKeysUp</a>() &amp; <a class="code" href="hid_8h.html#a531c35e38ede3ea4e5ba5afb24b29493aa7b3a3d0503a46bec51c6e3da95747cc">KEY_A</a>)</div>
<div class="line"> {</div>
<div class="line"> printf(<span class="stringliteral">&quot;Stoping sampling...\n&quot;</span>);</div>
<div class="line"> <span class="keywordflow">if</span>(<a class="code" href="result_8h.html#a0040b35f38c0d2fef6766d5b284fefc7">R_FAILED</a>(<a name="a23"></a><a class="code" href="mic_8h.html#a7ea7f514ee9e50db3bc49bd3106fa967">MICU_StopSampling</a>())) printf(<span class="stringliteral">&quot;Failed to stop sampling.\n&quot;</span>);</div>
<div class="line"> </div>
<div class="line"> printf(<span class="stringliteral">&quot;Starting audio playback...\n&quot;</span>);</div>
<div class="line"> <span class="keywordflow">if</span>(<a class="code" href="result_8h.html#aed427354b69859fdfab4dc33706acd45">R_SUCCEEDED</a>(<a name="a24"></a><a class="code" href="gspgpu_8h.html#a24f1c78fad4e1108ddc56fb3674cdba2">GSPGPU_FlushDataCache</a>(audiobuf, audiobuf_pos)) &amp;&amp; <a class="code" href="result_8h.html#aed427354b69859fdfab4dc33706acd45">R_SUCCEEDED</a>(<a name="a25"></a><a class="code" href="csnd_8h.html#a3752f884792b439bcec34837b374a46d">csndPlaySound</a>(0x8, <a name="a26"></a><a class="code" href="csnd_8h.html#aedcf2109f459315e1a7f2af73ec9b603af96c5965b6990d82a1db630720c904b0">SOUND_ONE_SHOT</a> | <a name="a27"></a><a class="code" href="csnd_8h.html#aedcf2109f459315e1a7f2af73ec9b603a5f8b8383f728e9dabef5efa486e08fd4">SOUND_FORMAT_16BIT</a>, 16360, 1.0, 0.0, (<a class="code" href="types_8h.html#afaa62991928fb9fb18ff0db62a040aba">u32</a>*)audiobuf, NULL, audiobuf_pos))) printf(<span class="stringliteral">&quot;Now playing.\n&quot;</span>);</div>
<div class="line"> <span class="keywordflow">else</span> printf(<span class="stringliteral">&quot;Failed to start playback.\n&quot;</span>);</div>
<div class="line"> }</div>
<div class="line"> }</div>
<div class="line"> </div>
<div class="line"> <a name="a28"></a><a class="code" href="gfx_8h.html#aea1808bd74fe0c00f9794e455fc8499b">gfxFlushBuffers</a>();</div>
<div class="line"> <a name="a29"></a><a class="code" href="gfx_8h.html#a0f338920111994110975dc0d1360bb1f">gfxSwapBuffers</a>();</div>
<div class="line"> }</div>
<div class="line"> </div>
<div class="line"> <a name="a30"></a><a class="code" href="linear_8h.html#aeb28d4069fd209e0067ac185fb9b83e2">linearFree</a>(audiobuf);</div>
<div class="line"> </div>
<div class="line"> <a name="a31"></a><a class="code" href="mic_8h.html#a5de3831a1aa13b444a812ebfef218361">micExit</a>();</div>
<div class="line"> free(micbuf);</div>
<div class="line"> </div>
<div class="line"> <a name="a32"></a><a class="code" href="csnd_8h.html#af5dc91e98b2182aa71f45dca52e42ad3">csndExit</a>();</div>
<div class="line"> <a name="a33"></a><a class="code" href="gfx_8h.html#aa446ccfdfdd4c575e648956ae96f2a3b">gfxExit</a>();</div>
<div class="line"> <span class="keywordflow">return</span> 0;</div>
<div class="line">}</div>
<div class="line"> </div>
<div class="ttc" id="a3ds_8h_html"><div class="ttname"><a href="3ds_8h.html">3ds.h</a></div><div class="ttdoc">Central 3DS header.</div></div>
<div class="ttc" id="aapt_8h_html_a84808c36d9a8c389896ecf241c7f89cb"><div class="ttname"><a href="apt_8h.html#a84808c36d9a8c389896ecf241c7f89cb">aptMainLoop</a></div><div class="ttdeci">bool aptMainLoop(void)</div><div class="ttdoc">Main function which handles sleep mode and HOME/power buttons - call this at the beginning of every f...</div></div>
<div class="ttc" id="aconsole_8h_html_a8e014e84f81ff901ca62d7669a8c8de8"><div class="ttname"><a href="console_8h.html#a8e014e84f81ff901ca62d7669a8c8de8">consoleInit</a></div><div class="ttdeci">PrintConsole * consoleInit(gfxScreen_t screen, PrintConsole *console)</div><div class="ttdoc">Initialise the console.</div></div>
<div class="ttc" id="acsnd_8h_html_a29f403e7faa5c335375e938dd0a242ad"><div class="ttname"><a href="csnd_8h.html#a29f403e7faa5c335375e938dd0a242ad">CSND_UpdateInfo</a></div><div class="ttdeci">Result CSND_UpdateInfo(bool waitDone)</div><div class="ttdoc">Updates CSND information.</div></div>
<div class="ttc" id="acsnd_8h_html_a3155c2b9f14c465baabd9fa92913347e"><div class="ttname"><a href="csnd_8h.html#a3155c2b9f14c465baabd9fa92913347e">csndInit</a></div><div class="ttdeci">Result csndInit(void)</div><div class="ttdoc">Initializes CSND.</div></div>
<div class="ttc" id="acsnd_8h_html_a3752f884792b439bcec34837b374a46d"><div class="ttname"><a href="csnd_8h.html#a3752f884792b439bcec34837b374a46d">csndPlaySound</a></div><div class="ttdeci">Result csndPlaySound(int chn, u32 flags, u32 sampleRate, float vol, float pan, void *data0, void *data1, u32 size)</div><div class="ttdoc">Plays a sound.</div></div>
<div class="ttc" id="acsnd_8h_html_a5dbd86f6c7687b9a6f622b35cd02a798"><div class="ttname"><a href="csnd_8h.html#a5dbd86f6c7687b9a6f622b35cd02a798">CSND_SetPlayState</a></div><div class="ttdeci">void CSND_SetPlayState(u32 channel, u32 value)</div><div class="ttdoc">Sets a channel's play state.</div></div>
<div class="ttc" id="acsnd_8h_html_aedcf2109f459315e1a7f2af73ec9b603a5f8b8383f728e9dabef5efa486e08fd4"><div class="ttname"><a href="csnd_8h.html#aedcf2109f459315e1a7f2af73ec9b603a5f8b8383f728e9dabef5efa486e08fd4">SOUND_FORMAT_16BIT</a></div><div class="ttdeci">@ SOUND_FORMAT_16BIT</div><div class="ttdoc">PCM16.</div><div class="ttdef"><b>Definition:</b> csnd.h:72</div></div>
<div class="ttc" id="acsnd_8h_html_aedcf2109f459315e1a7f2af73ec9b603af96c5965b6990d82a1db630720c904b0"><div class="ttname"><a href="csnd_8h.html#aedcf2109f459315e1a7f2af73ec9b603af96c5965b6990d82a1db630720c904b0">SOUND_ONE_SHOT</a></div><div class="ttdeci">@ SOUND_ONE_SHOT</div><div class="ttdoc">Play the sound once.</div><div class="ttdef"><b>Definition:</b> csnd.h:70</div></div>
<div class="ttc" id="acsnd_8h_html_af5dc91e98b2182aa71f45dca52e42ad3"><div class="ttname"><a href="csnd_8h.html#af5dc91e98b2182aa71f45dca52e42ad3">csndExit</a></div><div class="ttdeci">void csndExit(void)</div><div class="ttdoc">Exits CSND.</div></div>
<div class="ttc" id="agfx_8h_html_a0f338920111994110975dc0d1360bb1f"><div class="ttname"><a href="gfx_8h.html#a0f338920111994110975dc0d1360bb1f">gfxSwapBuffers</a></div><div class="ttdeci">void gfxSwapBuffers(void)</div><div class="ttdoc">Updates the configuration of both screens.</div></div>
<div class="ttc" id="agfx_8h_html_a236a005ae029247c8bfe4a4a649206fc"><div class="ttname"><a href="gfx_8h.html#a236a005ae029247c8bfe4a4a649206fc">gfxInitDefault</a></div><div class="ttdeci">void gfxInitDefault(void)</div><div class="ttdoc">Initializes the LCD framebuffers with default parameters This is equivalent to calling:</div></div>
<div class="ttc" id="agfx_8h_html_a356112d87f5cf6bbba3ea3b6b010e09cac1be8c2dee1ab5520b30ba069afa7541"><div class="ttname"><a href="gfx_8h.html#a356112d87f5cf6bbba3ea3b6b010e09cac1be8c2dee1ab5520b30ba069afa7541">GFX_BOTTOM</a></div><div class="ttdeci">@ GFX_BOTTOM</div><div class="ttdoc">Bottom screen.</div><div class="ttdef"><b>Definition:</b> gfx.h:27</div></div>
<div class="ttc" id="agfx_8h_html_aa446ccfdfdd4c575e648956ae96f2a3b"><div class="ttname"><a href="gfx_8h.html#aa446ccfdfdd4c575e648956ae96f2a3b">gfxExit</a></div><div class="ttdeci">void gfxExit(void)</div><div class="ttdoc">Deinitializes and frees the LCD framebuffers.</div></div>
<div class="ttc" id="agfx_8h_html_aea1808bd74fe0c00f9794e455fc8499b"><div class="ttname"><a href="gfx_8h.html#aea1808bd74fe0c00f9794e455fc8499b">gfxFlushBuffers</a></div><div class="ttdeci">void gfxFlushBuffers(void)</div><div class="ttdoc">Flushes the data cache for the current framebuffers.</div></div>
<div class="ttc" id="agspgpu_8h_html_a24f1c78fad4e1108ddc56fb3674cdba2"><div class="ttname"><a href="gspgpu_8h.html#a24f1c78fad4e1108ddc56fb3674cdba2">GSPGPU_FlushDataCache</a></div><div class="ttdeci">Result GSPGPU_FlushDataCache(const void *adr, u32 size)</div><div class="ttdoc">Flushes memory from the data cache.</div></div>
<div class="ttc" id="agspgpu_8h_html_abf0a992835649b5fe90e95d8a58b8c45"><div class="ttname"><a href="gspgpu_8h.html#abf0a992835649b5fe90e95d8a58b8c45">gspWaitForVBlank</a></div><div class="ttdeci">#define gspWaitForVBlank()</div><div class="ttdoc">Waits for VBlank.</div><div class="ttdef"><b>Definition:</b> gspgpu.h:151</div></div>
<div class="ttc" id="ahid_8h_html_a531c35e38ede3ea4e5ba5afb24b29493a616a1f5c4ed36080ca954453084aea3b"><div class="ttname"><a href="hid_8h.html#a531c35e38ede3ea4e5ba5afb24b29493a616a1f5c4ed36080ca954453084aea3b">KEY_START</a></div><div class="ttdeci">@ KEY_START</div><div class="ttdoc">Start.</div><div class="ttdef"><b>Definition:</b> hid.h:15</div></div>
<div class="ttc" id="ahid_8h_html_a531c35e38ede3ea4e5ba5afb24b29493aa7b3a3d0503a46bec51c6e3da95747cc"><div class="ttname"><a href="hid_8h.html#a531c35e38ede3ea4e5ba5afb24b29493aa7b3a3d0503a46bec51c6e3da95747cc">KEY_A</a></div><div class="ttdeci">@ KEY_A</div><div class="ttdoc">A.</div><div class="ttdef"><b>Definition:</b> hid.h:12</div></div>
<div class="ttc" id="ahid_8h_html_a68e8fd75a99650db835f045676a47949"><div class="ttname"><a href="hid_8h.html#a68e8fd75a99650db835f045676a47949">hidKeysHeld</a></div><div class="ttdeci">u32 hidKeysHeld(void)</div><div class="ttdoc">Returns a bitmask of held buttons.</div></div>
<div class="ttc" id="ahid_8h_html_aa2cababf764bf0b4297dc2e2fffe2a76"><div class="ttname"><a href="hid_8h.html#aa2cababf764bf0b4297dc2e2fffe2a76">hidKeysDown</a></div><div class="ttdeci">u32 hidKeysDown(void)</div><div class="ttdoc">Returns a bitmask of newly pressed buttons, this frame.</div></div>
<div class="ttc" id="ahid_8h_html_abbbf0e1f3a79a75e459e19f85a66bee6"><div class="ttname"><a href="hid_8h.html#abbbf0e1f3a79a75e459e19f85a66bee6">hidScanInput</a></div><div class="ttdeci">void hidScanInput(void)</div><div class="ttdoc">Scans HID for input data.</div></div>
<div class="ttc" id="ahid_8h_html_acefc6e65ac14a7e02c1c1fd72279eed4"><div class="ttname"><a href="hid_8h.html#acefc6e65ac14a7e02c1c1fd72279eed4">hidKeysUp</a></div><div class="ttdeci">u32 hidKeysUp(void)</div><div class="ttdoc">Returns a bitmask of newly released buttons, this frame.</div></div>
<div class="ttc" id="alinear_8h_html_a73a6bd0b398a08f695e16e07267a7424"><div class="ttname"><a href="linear_8h.html#a73a6bd0b398a08f695e16e07267a7424">linearAlloc</a></div><div class="ttdeci">void * linearAlloc(size_t size)</div><div class="ttdoc">Allocates a 0x80-byte aligned buffer.</div></div>
<div class="ttc" id="alinear_8h_html_aeb28d4069fd209e0067ac185fb9b83e2"><div class="ttname"><a href="linear_8h.html#aeb28d4069fd209e0067ac185fb9b83e2">linearFree</a></div><div class="ttdeci">void linearFree(void *mem)</div><div class="ttdoc">Frees a buffer.</div></div>
<div class="ttc" id="amic_8h_html_a01ab8a1440cd4d38855336e47e5ae380"><div class="ttname"><a href="mic_8h.html#a01ab8a1440cd4d38855336e47e5ae380">micInit</a></div><div class="ttdeci">Result micInit(u8 *buffer, u32 bufferSize)</div><div class="ttdoc">Initializes MIC.</div></div>
<div class="ttc" id="amic_8h_html_a09361b33179e9ca5fd099161cf25d70a"><div class="ttname"><a href="mic_8h.html#a09361b33179e9ca5fd099161cf25d70a">micGetSampleDataSize</a></div><div class="ttdeci">u32 micGetSampleDataSize(void)</div><div class="ttdoc">Gets the size of the sample data area within the shared memory buffer.</div></div>
<div class="ttc" id="amic_8h_html_a3ead458d1aabf74550446b463b4fb54fab94c760d37cb05a0f9b35dfe308adf92"><div class="ttname"><a href="mic_8h.html#a3ead458d1aabf74550446b463b4fb54fab94c760d37cb05a0f9b35dfe308adf92">MICU_ENCODING_PCM16_SIGNED</a></div><div class="ttdeci">@ MICU_ENCODING_PCM16_SIGNED</div><div class="ttdoc">Signed 16-bit PCM.</div><div class="ttdef"><b>Definition:</b> mic.h:13</div></div>
<div class="ttc" id="amic_8h_html_a5de3831a1aa13b444a812ebfef218361"><div class="ttname"><a href="mic_8h.html#a5de3831a1aa13b444a812ebfef218361">micExit</a></div><div class="ttdeci">void micExit(void)</div><div class="ttdoc">Exits MIC.</div></div>
<div class="ttc" id="amic_8h_html_a79266af4aa50d790fba3680d423f6ff0"><div class="ttname"><a href="mic_8h.html#a79266af4aa50d790fba3680d423f6ff0">MICU_StartSampling</a></div><div class="ttdeci">Result MICU_StartSampling(MICU_Encoding encoding, MICU_SampleRate sampleRate, u32 offset, u32 size, bool loop)</div><div class="ttdoc">Begins sampling microphone input.</div></div>
<div class="ttc" id="amic_8h_html_a7ea7f514ee9e50db3bc49bd3106fa967"><div class="ttname"><a href="mic_8h.html#a7ea7f514ee9e50db3bc49bd3106fa967">MICU_StopSampling</a></div><div class="ttdeci">Result MICU_StopSampling(void)</div><div class="ttdoc">Stops sampling microphone input.</div></div>
<div class="ttc" id="amic_8h_html_aa2590afec7ac205e877ab94c9203a4c9"><div class="ttname"><a href="mic_8h.html#aa2590afec7ac205e877ab94c9203a4c9">micGetLastSampleOffset</a></div><div class="ttdeci">u32 micGetLastSampleOffset(void)</div><div class="ttdoc">Gets the offset within the shared memory buffer of the last sample written.</div></div>
<div class="ttc" id="amic_8h_html_ae126d52922918356ed810bcc398ad62ba2b9d600ba6fd888107ddcf0fabc1f5bf"><div class="ttname"><a href="mic_8h.html#ae126d52922918356ed810bcc398ad62ba2b9d600ba6fd888107ddcf0fabc1f5bf">MICU_SAMPLE_RATE_16360</a></div><div class="ttdeci">@ MICU_SAMPLE_RATE_16360</div><div class="ttdoc">16364.479 Hz</div><div class="ttdef"><b>Definition:</b> mic.h:20</div></div>
<div class="ttc" id="aresult_8h_html_a0040b35f38c0d2fef6766d5b284fefc7"><div class="ttname"><a href="result_8h.html#a0040b35f38c0d2fef6766d5b284fefc7">R_FAILED</a></div><div class="ttdeci">#define R_FAILED(res)</div><div class="ttdoc">Checks whether a result code indicates failure.</div><div class="ttdef"><b>Definition:</b> result.h:11</div></div>
<div class="ttc" id="aresult_8h_html_aed427354b69859fdfab4dc33706acd45"><div class="ttname"><a href="result_8h.html#aed427354b69859fdfab4dc33706acd45">R_SUCCEEDED</a></div><div class="ttdeci">#define R_SUCCEEDED(res)</div><div class="ttdoc">Checks whether a result code indicates success.</div><div class="ttdef"><b>Definition:</b> result.h:9</div></div>
<div class="ttc" id="atypes_8h_html_a92c50087ca0e64fa93fc59402c55f8ca"><div class="ttname"><a href="types_8h.html#a92c50087ca0e64fa93fc59402c55f8ca">u8</a></div><div class="ttdeci">uint8_t u8</div><div class="ttdoc">would be nice if newlib had this already</div><div class="ttdef"><b>Definition:</b> types.h:21</div></div>
<div class="ttc" id="atypes_8h_html_afaa62991928fb9fb18ff0db62a040aba"><div class="ttname"><a href="types_8h.html#afaa62991928fb9fb18ff0db62a040aba">u32</a></div><div class="ttdeci">uint32_t u32</div><div class="ttdoc">32-bit unsigned integer</div><div class="ttdef"><b>Definition:</b> types.h:23</div></div>
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