player_8c-source.html

MP3 Player Source Code

00702   nFragments = <a class="code" href="filesys_8c.html#a19">BuildFragmentTable</a>(); <span class="comment">/* Too slow, rewrite! */</span>
00703   ConsoleWrite(<span class="stringliteral">"\rFragments: "</span>);
00704   ConsolePutUInt(nFragments);
00705 
00706   <a class="code" href="lcd_8h.html#a1">LcdLocateHome</a>();
00707   <a class="code" href="lcd_8h.html#a10">LcdPutConstantString</a>(<span class="stringliteral">"Playing "</span>);
00708 
00709   <span class="keywordflow">for</span> (c=0; c&lt;nFragments; c++){
00710     <a class="code" href="buffer_8c.html#a2">sectorAddress</a>.<a class="code" href="unionAddress.html#o0">l</a> = <a class="code" href="filesys_8c.html#a6">fragment</a>[c].<a class="code" href="structfragmentEntry.html#o0">start</a>;
00711     ConsoleWrite (<span class="stringliteral">"\rPlayer: Playing from sector "</span>);
00712     ConsolePutUInt (<a class="code" href="buffer_8c.html#a2">sectorAddress</a>.<a class="code" href="unionAddress.html#o0">l</a>);
00713     <span class="keywordflow">if</span> (<a class="code" href="vs10xx_8h.html#a40">PlayDiskSectors</a>(<a class="code" href="filesys_8c.html#a6">fragment</a>[c].length)!=0){
00714       <a class="code" href="vs10xx_8h.html#a32">Mp3WriteRegister</a>(<a class="code" href="vs10xx_8h.html#a2">SPI_MODE</a>,0,<a class="code" href="vs10xx_8h.html#a21">SM_OUTOFWAV</a>);
00715       <a class="code" href="vs10xx_8c.html#a5">SendZerosToVS10xx</a>();
00716       <span class="keywordflow">return</span>; <span class="comment">//return without touching the value of playingState</span>
00717     }
00718   }
00719   <a class="code" href="vs10xx_8c.html#a5">SendZerosToVS10xx</a>();
00720 
00721   <span class="comment">// After finishing normally default to requesting to play next song        </span>
00722   <a class="code" href="player_8c.html#a3">playingState</a> = <a class="code" href="ui_8h.html#a25a14">PS_NEXT_SONG</a>;
00723 
00724 }
00725 
00726 
00727 
<a name="l00733"></a><a class="code" href="player_8c.html#a14">00733</a> <span class="keywordtype">void</span> <a class="code" href="player_8c.html#a14">main</a>(){
00734 
00735   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> currentFile;
00736 
00737   <a class="code" href="board_8c.html#a4">InitBoard</a>();
00738 
00739   <span class="comment">// Start "User Interface" timer</span>
00740   ET0 = 1;
00741   EA = 1; 
00742   TR0 = 1;
00743 
00744   <span class="comment">//LcdSplashScreen(); </span>
00745   <a class="code" href="display_8h.html#a14">InitDisplay</a> (<a class="code" href="display_8h.html#a0">DS_STATIC</a>,<span class="stringliteral">"        "</span>,<span class="stringliteral">"        "</span>,0);
00746   
00747   ConsoleWrite (<span class="stringliteral">"\rVLSIPlayer\rStarting up.\r\r"</span>);
00748      
00749   <a class="code" href="lcd_8c.html#a4">LcdReset</a>();
00750   <a class="code" href="lcd_8h.html#a10">LcdPutConstantString</a> (<span class="stringliteral">"Filesys "</span>);
00751   <a class="code" href="lcd_8h.html#a2">LcdLocateLine2</a>();
00752   <a class="code" href="lcd_8h.html#a14">LcdPrintGenericResult</a> (<a class="code" href="filesys_8c.html#a24">InitFileSystem</a>());
00753 
00754   <a class="code" href="vs10xx_8c.html#a3">Mp3Reset</a>();
00755   <a class="code" href="player_8c.html#a9">LoadPatch</a>();
00756   <a class="code" href="player_8c.html#a10">StartPatch</a>();
00757 
00758   <span class="comment">// If left button is pressed during boot, enter recording.</span>
00759   <span class="keywordflow">if</span> (<a class="code" href="board_8h.html#a18">KEY_FARLEFT</a>){
00760     <span class="keywordflow">while</span>(<a class="code" href="board_8h.html#a17">KEY_LEFT</a>)
00761       ;
00762     <a class="code" href="record_8c.html#a3">Record</a>();
00763   }
00764 
00765   
00766 <span class="preprocessor">#ifdef VS1003</span>
00767 <span class="preprocessor"></span>  <a class="code" href="player_8c.html#a6">uiMode</a> = <a class="code" href="ui_8h.html#a24a3">UI_SPEC</a>;   <span class="comment">//For VS1003 default to SPECTRUM ANALYZER screen</span>
00768 <span class="preprocessor">#else</span>
00769 <span class="preprocessor"></span>  <a class="code" href="player_8c.html#a6">uiMode</a> = <a class="code" href="ui_8h.html#a24a2">UI_TITLE</a>;  <span class="comment">//For others, default to TITLE screen</span>
00770 <span class="preprocessor">#endif</span>
00771 <span class="preprocessor"></span>  
00772   <a class="code" href="player_8c.html#a3">playingState</a> = <a class="code" href="ui_8h.html#a25a14">PS_NEXT_SONG</a>;
00773   currentFile = 1;
00774 
00775   <span class="keywordflow">while</span> (1){
00776     ConsoleWrite(<span class="stringliteral">"SPMax: "</span>);ConsolePutHex8(<a class="code" href="player_8c.html#a7">SPMax</a>);
00777     ConsoleWrite(<span class="stringliteral">"PlayingState: "</span>);ConsolePutHex8(<a class="code" href="player_8c.html#a3">playingState</a>);
00778 
00779     <span class="comment">// has someone requested to record?</span>
00780     <span class="keywordflow">if</span> (<a class="code" href="player_8c.html#a3">playingState</a> == <a class="code" href="ui_8h.html#a25a23">PS_RECORDING</a>){
00781       <a class="code" href="player_8c.html#a6">uiMode</a> = <a class="code" href="ui_8h.html#a24a2">UI_TITLE</a>;
00782       <a class="code" href="player_8c.html#a3">playingState</a> = <a class="code" href="record_8c.html#a3">Record</a>(); <span class="comment">//record returns PS_NEXT_SONG or PS_RECORDING</span>
00783       <span class="keywordflow">while</span> (<a class="code" href="board_8h.html#a14">KEY_BUTTON</a>)
00784         ; <span class="comment">//Wait until button is depressed</span>
00785       ConsoleWrite(<span class="stringliteral">"\rFinished recording.\r"</span>);      
00786       currentFile = 1;
00787       <a class="code" href="player_8c.html#a3">playingState</a> == <a class="code" href="ui_8h.html#a25a14">PS_NEXT_SONG</a>;     
00788     }        
00789 
00790     <span class="keywordflow">if</span> (<a class="code" href="filesys_8h.html#a8">OpenFile</a>(currentFile)){
00791       currentFile = 1;
00792       <span class="keywordflow">if</span> (<a class="code" href="filesys_8h.html#a8">OpenFile</a>(currentFile)){
00793         <a class="code" href="lcd_8c.html#a4">LcdReset</a>();
00794         <a class="code" href="lcd_8h.html#a10">LcdPutConstantString</a>(<span class="stringliteral">"No files."</span>);
00795         <span class="keywordflow">while</span>(1);
00796       }
00797     }
00798    
00799     <a class="code" href="lcd_8c.html#a4">LcdReset</a>();
00800     <a class="code" href="lcd_8h.html#a10">LcdPutConstantString</a>(<span class="stringliteral">"File "</span>);
00801     <a class="code" href="lcd_8h.html#a15">LcdPutUInt</a>(currentFile);
00802     <a class="code" href="lcd_8h.html#a2">LcdLocateLine2</a>();
00803     <span class="keywordflow">for</span> (<a class="code" href="board_8c.html#a0">temp</a>.<a class="code" href="unionTemp.html#o0">c</a>=0; <a class="code" href="board_8c.html#a0">temp</a>.<a class="code" href="unionTemp.html#o0">c</a>&lt;8; <a class="code" href="board_8c.html#a0">temp</a>.<a class="code" href="unionTemp.html#o0">c</a>++){
00804       <a class="code" href="lcd_8h.html#a6">LcdPutChar</a>(<a class="code" href="filesys_8c.html#a11">currentFileName</a>[<a class="code" href="board_8c.html#a0">temp</a>.<a class="code" href="unionTemp.html#o0">c</a>]);
00805     }
00806     
00807         
00808     <span class="keywordflow">while</span> ((<a class="code" href="board_8h.html#a14">KEY_BUTTON</a>)||(<a class="code" href="board_8h.html#a18">KEY_FARLEFT</a>)||(<a class="code" href="board_8h.html#a15">KEY_FARRIGHT</a>)||
00809            (<a class="code" href="board_8h.html#a17">KEY_LEFT</a>)||(<a class="code" href="board_8h.html#a16">KEY_RIGHT</a>))
00810       ; <span class="comment">/* Wait until no key is pressed */</span>
00811 
00812     <span class="keywordflow">while</span> (((!<a class="code" href="board_8h.html#a14">KEY_BUTTON</a>)&amp;&amp;(!<a class="code" href="board_8h.html#a18">KEY_FARLEFT</a>)&amp;&amp;(!<a class="code" href="board_8h.html#a15">KEY_FARRIGHT</a>))
00813            &amp;&amp;(<a class="code" href="player_8c.html#a3">playingState</a> == <a class="code" href="ui_8h.html#a25a12">PS_NORMAL</a>))
00814       ; <span class="comment">/* Wait untis some key is pressed or playing state not normal*/</span>
00815 
00816     
00817     <span class="comment">/* See if keystroke requests previous/next song */</span>
00818     <span class="keywordflow">if</span> (<a class="code" href="board_8h.html#a18">KEY_FARLEFT</a>) currentFile--;
00819     <span class="keywordflow">if</span> (<a class="code" href="board_8h.html#a15">KEY_FARRIGHT</a>) currentFile++;
00820     <span class="keywordflow">if</span> (currentFile==0) currentFile = 1;
00821 
00822     <span class="keywordflow">if</span> (<a class="code" href="board_8h.html#a14">KEY_BUTTON</a> || 
00823         (<a class="code" href="player_8c.html#a3">playingState</a>==<a class="code" href="ui_8h.html#a25a14">PS_NEXT_SONG</a>) || 
00824         (<a class="code" href="player_8c.html#a3">playingState</a>==<a class="code" href="ui_8h.html#a25a15">PS_PREVIOUS_SONG</a>)){
00825       <span class="keywordflow">while</span> (<a class="code" href="board_8h.html#a14">KEY_BUTTON</a>)
00826         ;
00827 
00828       <a class="code" href="player_8c.html#a13">PlayCurrentFile</a>();
00829       ConsoleWrite (<span class="stringliteral">"Playing state after playing is: "</span>);
00830       ConsolePutUInt (<a class="code" href="player_8c.html#a3">playingState</a>);
00831       
00832       <span class="keywordflow">if</span> (<a class="code" href="player_8c.html#a3">playingState</a> == <a class="code" href="ui_8h.html#a25a15">PS_PREVIOUS_SONG</a>) currentFile--;
00833       <span class="keywordflow">if</span> (<a class="code" href="player_8c.html#a3">playingState</a> == <a class="code" href="ui_8h.html#a25a14">PS_NEXT_SONG</a>) currentFile++;
00834       <span class="keywordflow">if</span> (currentFile==0) currentFile = 1;
00835       <span class="keywordflow">if</span> (<a class="code" href="player_8c.html#a3">playingState</a> == <a class="code" href="ui_8h.html#a25a13">PS_END_OF_SONG</a>) <a class="code" href="player_8c.html#a3">playingState</a> = <a class="code" href="ui_8h.html#a25a12">PS_NORMAL</a>;      
00836       
00837       
00838       <a class="code" href="vs10xx_8c.html#a2">Mp3SoftReset</a>();
00839       <a class="code" href="player_8c.html#a9">LoadPatch</a>();
00840       <a class="code" href="player_8c.html#a10">StartPatch</a>();
00841 
00842 
00843       <span class="keywordflow">while</span> ((<a class="code" href="board_8h.html#a14">KEY_BUTTON</a>)||(<a class="code" href="board_8h.html#a18">KEY_FARLEFT</a>)||(<a class="code" href="board_8h.html#a15">KEY_FARRIGHT</a>)||
00844              (<a class="code" href="board_8h.html#a17">KEY_LEFT</a>)||(<a class="code" href="board_8h.html#a16">KEY_RIGHT</a>))
00845         ; <span class="comment">/* Wait until no key is pressed */</span>
00846     }
00847 
00848     
00849   }
00850    
00851 
00852 }
00853 
00854 
</div></pre><hr>
<FONT SIZE="-1">
All software copyright 2000-2004 <a href="http://www.vlsi.fi/"> VLSI Solution OY.</a>
Redistribution of these software modules are limited to promotional use only
and only with the VS1011 / VS1002 / VS1003  MP3-Evakit evaluation boards. Free or
commercial use of these software modules in MP3 players is ok if the
product includes MP3 decoder chip(s) from VLSI. You can request the complete
(compilable) package from [e-mail]
</FONT>