player_8c-source.html

MP3播放器源代码, VS1003B

00728   <span class="comment">//uiMode = UI_SPEC; /* User interface: show title SPECANA FOR VS1003*/</span>
00729 
00730   <a class="code" href="lcd_8h.html#a1">LcdLocateHome</a>();
00731   <a class="code" href="lcd_8h.html#a10">LcdPutConstantString</a>(<span class="stringliteral">"Opening "</span>);
00732 
00733   ConsoleWrite (<span class="stringliteral">"Building file fragment table..."</span>);
00734   nFragments = <a class="code" href="filesys_8c.html#a19">BuildFragmentTable</a>(); <span class="comment">/* Too slow, rewrite! */</span>
00735   ConsoleWrite(<span class="stringliteral">"\rFragments: "</span>);
00736   ConsolePutUInt(nFragments);
00737 
00738   <a class="code" href="lcd_8h.html#a1">LcdLocateHome</a>();
00739   <a class="code" href="lcd_8h.html#a10">LcdPutConstantString</a>(<span class="stringliteral">"Playing "</span>);
00740 
00741   <span class="keywordflow">for</span> (c=0; c&lt;nFragments; c++){
00742     <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>;
00743     ConsoleWrite (<span class="stringliteral">"\rPlayer: Playing from sector "</span>);
00744     ConsolePutUInt (<a class="code" href="buffer_8c.html#a2">sectorAddress</a>.<a class="code" href="unionAddress.html#o0">l</a>);
00745     <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){
00746       <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>);
00747       <a class="code" href="vs10xx_8c.html#a5">SendZerosToVS10xx</a>();
00748       <span class="keywordflow">return</span>; <span class="comment">//return without touching the value of playingState</span>
00749     }
00750   }
00751   <a class="code" href="vs10xx_8c.html#a5">SendZerosToVS10xx</a>();
00752 
00753   <span class="comment">// After finishing normally default to requesting to play next song        </span>
00754   <a class="code" href="player_8c.html#a3">playingState</a> = <a class="code" href="ui_8h.html#a25a14">PS_NEXT_SONG</a>;
00755 
00756 }
00757 
00758 
00759 
<a name="l00765"></a><a class="code" href="player_8c.html#a14">00765</a> <span class="keywordtype">void</span> <a class="code" href="player_8c.html#a14">main</a>(){
00766 
00767   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> currentFile;
00768 
00769   <a class="code" href="board_8c.html#a4">InitBoard</a>();
00770 
00771   <span class="comment">// Start "User Interface" timer</span>
00772   ET0 = 1;
00773   EA = 1; 
00774   TR0 = 1;
00775 
00776   <span class="comment">//LcdSplashScreen(); </span>
00777   <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);
00778   
00779   ConsoleWrite (<span class="stringliteral">"\rVLSIPlayer\rStarting up.\r\r"</span>);
00780      
00781   <a class="code" href="lcd_8c.html#a4">LcdReset</a>();
00782   <a class="code" href="lcd_8h.html#a10">LcdPutConstantString</a> (<span class="stringliteral">"Filesys "</span>);
00783   <a class="code" href="lcd_8h.html#a2">LcdLocateLine2</a>();
00784   <a class="code" href="lcd_8h.html#a14">LcdPrintGenericResult</a> (<a class="code" href="filesys_8c.html#a24">InitFileSystem</a>());
00785 
00786   <a class="code" href="vs10xx_8c.html#a3">Mp3Reset</a>();
00787   <a class="code" href="player_8c.html#a9">LoadPatch</a>();
00788   <a class="code" href="player_8c.html#a10">StartPatch</a>();
00789 
00790   <span class="comment">// If left button is pressed during boot, enter recording.</span>
00791   <span class="keywordflow">if</span> (<a class="code" href="board_8h.html#a18">KEY_FARLEFT</a>){
00792     <span class="keywordflow">while</span>(<a class="code" href="board_8h.html#a17">KEY_LEFT</a>)
00793       ;
00794     <a class="code" href="record_8c.html#a3">Record</a>();
00795   }
00796 
00797   
00798 <span class="preprocessor">#ifdef VS1003</span>
00799 <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>
00800 <span class="preprocessor">#else</span>
00801 <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>
00802 <span class="preprocessor">#endif</span>
00803 <span class="preprocessor"></span>  
00804   <a class="code" href="player_8c.html#a3">playingState</a> = <a class="code" href="ui_8h.html#a25a14">PS_NEXT_SONG</a>;
00805   currentFile = 1;
00806 
00807   <span class="keywordflow">while</span> (1){
00808     ConsoleWrite(<span class="stringliteral">"SPMax: "</span>);ConsolePutHex8(<a class="code" href="player_8c.html#a7">SPMax</a>);
00809     ConsoleWrite(<span class="stringliteral">"PlayingState: "</span>);ConsolePutHex8(<a class="code" href="player_8c.html#a3">playingState</a>);
00810 
00811     <span class="comment">// has someone requested to record?</span>
00812     <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>){
00813       <a class="code" href="player_8c.html#a6">uiMode</a> = <a class="code" href="ui_8h.html#a24a2">UI_TITLE</a>;
00814       <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>
00815       <span class="keywordflow">while</span> (<a class="code" href="board_8h.html#a14">KEY_BUTTON</a>)
00816         ; <span class="comment">//Wait until button is depressed</span>
00817       ConsoleWrite(<span class="stringliteral">"\rFinished recording.\r"</span>);      
00818       currentFile = 1;
00819       <a class="code" href="player_8c.html#a3">playingState</a> == <a class="code" href="ui_8h.html#a25a14">PS_NEXT_SONG</a>;     
00820     }        
00821 
00822     <span class="keywordflow">if</span> (<a class="code" href="filesys_8h.html#a8">OpenFile</a>(currentFile)){
00823       currentFile = 1;
00824       <span class="keywordflow">if</span> (<a class="code" href="filesys_8h.html#a8">OpenFile</a>(currentFile)){
00825         <a class="code" href="lcd_8c.html#a4">LcdReset</a>();
00826         <a class="code" href="lcd_8h.html#a10">LcdPutConstantString</a>(<span class="stringliteral">"No files."</span>);
00827         <span class="keywordflow">while</span>(1);
00828       }
00829     }
00830    
00831     <a class="code" href="lcd_8c.html#a4">LcdReset</a>();
00832     <a class="code" href="lcd_8h.html#a10">LcdPutConstantString</a>(<span class="stringliteral">"File "</span>);
00833     <a class="code" href="lcd_8h.html#a15">LcdPutUInt</a>(currentFile);
00834     <a class="code" href="lcd_8h.html#a2">LcdLocateLine2</a>();
00835     <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>++){
00836       <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>]);
00837     }
00838     
00839         
00840     <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>)||
00841            (<a class="code" href="board_8h.html#a17">KEY_LEFT</a>)||(<a class="code" href="board_8h.html#a16">KEY_RIGHT</a>))
00842       ; <span class="comment">/* Wait until no key is pressed */</span>
00843 
00844     <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>))
00845            &amp;&amp;(<a class="code" href="player_8c.html#a3">playingState</a> == <a class="code" href="ui_8h.html#a25a12">PS_NORMAL</a>))
00846       ; <span class="comment">/* Wait untis some key is pressed or playing state not normal*/</span>
00847 
00848     
00849     <span class="comment">/* See if keystroke requests previous/next song */</span>
00850     <span class="keywordflow">if</span> (<a class="code" href="board_8h.html#a18">KEY_FARLEFT</a>) currentFile--;
00851     <span class="keywordflow">if</span> (<a class="code" href="board_8h.html#a15">KEY_FARRIGHT</a>) currentFile++;
00852     <span class="keywordflow">if</span> (currentFile==0) currentFile = 1;
00853 
00854     <span class="keywordflow">if</span> (<a class="code" href="board_8h.html#a14">KEY_BUTTON</a> || 
00855         (<a class="code" href="player_8c.html#a3">playingState</a>==<a class="code" href="ui_8h.html#a25a14">PS_NEXT_SONG</a>) || 
00856         (<a class="code" href="player_8c.html#a3">playingState</a>==<a class="code" href="ui_8h.html#a25a15">PS_PREVIOUS_SONG</a>)){
00857       <span class="keywordflow">while</span> (<a class="code" href="board_8h.html#a14">KEY_BUTTON</a>)
00858         ;
00859 
00860       <a class="code" href="player_8c.html#a13">PlayCurrentFile</a>();
00861       ConsoleWrite (<span class="stringliteral">"Playing state after playing is: "</span>);
00862       ConsolePutUInt (<a class="code" href="player_8c.html#a3">playingState</a>);
00863       
00864       <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--;
00865       <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++;
00866       <span class="keywordflow">if</span> (currentFile==0) currentFile = 1;
00867       <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>;      
00868       
00869       
00870       <a class="code" href="vs10xx_8c.html#a2">Mp3SoftReset</a>();
00871       <a class="code" href="player_8c.html#a9">LoadPatch</a>();
00872       <a class="code" href="player_8c.html#a10">StartPatch</a>();
00873 
00874 
00875       <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>)||
00876              (<a class="code" href="board_8h.html#a17">KEY_LEFT</a>)||(<a class="code" href="board_8h.html#a16">KEY_RIGHT</a>))
00877         ; <span class="comment">/* Wait until no key is pressed */</span>
00878     }
00879 
00880     
00881   }
00882    
00883 
00884 }
00885 
00886 
</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>