player_8c.html

MP3播放器源代码, VS1003B

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>(currentFileName[<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 (playingState);
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 }
</div></pre>
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<a class="anchor" name="a13" doxytag="player.c::PlayCurrentFile" ></a><p>
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          <td class="md" nowrap valign="top"> void PlayCurrentFile           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap></td>
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<p>
Plays a disk file. 
<p>
Returns 1) if the file ends or 2) if the global variable playingState is not PS_NORMAL i.e. user has requested stop or next or previous. 
<p>
Definition at line <a class="el" href="player_8c-source.html#l00724">724</a> of file <a class="el" href="player_8c-source.html">player.c</a>.
<p>
References <a class="el" href="filesys_8c-source.html#l00401">BuildFragmentTable()</a>, <a class="el" href="filesys_8c.html#a6">fragment</a>, <a class="el" href="buffer_8h-source.html#l00129">Address::l</a>, <a class="el" href="lcd_8h-source.html#l00017">LcdLocateHome</a>, <a class="el" href="lcd_8c-source.html#l00102">LcdPutConstantString()</a>, <a class="el" href="vs10xx_8h-source.html#l00068">Mp3WriteRegister</a>, <a class="el" href="vs10xx_8c-source.html#l00202">PlayDiskSectors()</a>, <a class="el" href="player_8c-source.html#l00226">playingState</a>, <a class="el" href="ui_8h.html#a25a14">PS_NEXT_SONG</a>, <a class="el" href="ui_8h.html#a25a12">PS_NORMAL</a>, <a class="el" href="buffer_8c-source.html#l00015">sectorAddress</a>, <a class="el" href="vs10xx_8c-source.html#l00178">SendZerosToVS10xx()</a>, <a class="el" href="vs10xx_8h-source.html#l00039">SM_OUTOFWAV</a>, <a class="el" href="vs10xx_8h-source.html#l00019">SPI_MODE</a>, and <a class="el" href="filesys_8h-source.html#l00026">fragmentEntry::start</a>.
<p>
Referenced by <a class="el" href="player_8c-source.html#l00765">main()</a>.
<p>
<pre class="fragment"><div>00724                       {
00725   xdata <span class="keywordtype">char</span> c, nFragments;
00726 
00727   <a class="code" href="player_8c.html#a3">playingState</a> = <a class="code" href="ui_8h.html#a25a12">PS_NORMAL</a>; <span class="comment">/* Request to play normally */</span>
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>(fragment[c].length)!=0){
00746       <a class="code" href="vs10xx_8h.html#a32">Mp3WriteRegister</a>(SPI_MODE,0,SM_OUTOFWAV);
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 }
</div></pre>
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<a class="anchor" name="a11" doxytag="player.c::ScreenSetPlayTime" ></a><p>
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          <td class="md" nowrap valign="top"> void ScreenSetPlayTime           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap></td>
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<p>
Sets playin