?? player_8c-source.html
字號(hào):
00376 00377 00378 00379 <span class="keywordflow">if</span> (!<a class="code" href="player_8c.html#a5">userInterfaceDelayElapsed</a>){00380 <span class="keywordflow">return</span>; <span class="comment">/* Not yet time to do user interface stuff */</span>00381 }00382 00383 <a class="code" href="player_8c.html#a5">userInterfaceDelayElapsed</a> = 0;00384 00385 00386 <span class="comment">// User Interface Modes</span>00387 <span class="comment">// Return to UI_TITLE after long period of button inactivity</span>00388 00389 <span class="keywordflow">if</span> (uiReturnDelay == 0){00390 <span class="keywordflow">if</span> ((<a class="code" href="player_8c.html#a6">uiMode</a> != <a class="code" href="ui_8h.html#a24a3">UI_SPEC</a>)&&(<a class="code" href="player_8c.html#a6">uiMode</a> != <a class="code" href="ui_8h.html#a24a7">UI_CUE</a>))00391 <a class="code" href="player_8c.html#a6">uiMode</a> = <a class="code" href="ui_8h.html#a24a2">UI_TITLE</a>;00392 <span class="keywordflow">else</span>{00393 }00394 }<span class="keywordflow">else</span>{00395 uiReturnDelay--;00396 }00397 00398 00399 00400 <span class="preprocessor">#ifndef VS1003</span>00401 <span class="preprocessor"></span> <span class="keywordflow">if</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">//Only VS1003 has spectrum analyzer</span>00402 <a class="code" href="player_8c.html#a6">uiMode</a>++;00403 <span class="keywordflow">if</span> (<a class="code" href="player_8c.html#a6">uiMode</a>==<a class="code" href="ui_8h.html#a24a8">UI_RECLEVEL</a>) <span class="comment">//Only record in VS1003 chips</span>00404 <a class="code" href="player_8c.html#a6">uiMode</a>++;00405 <span class="preprocessor">#endif</span>00406 <span class="preprocessor"></span>00407 00408 00409 00410 <span class="keywordflow">if</span> (<a class="code" href="player_8c.html#a6">uiMode</a>==<a class="code" href="ui_8h.html#a24a9">UI_INFO</a>)00411 <a class="code" href="player_8c.html#a6">uiMode</a>++; <span class="comment">//Nothing interesting currently in screen UI_INFO.</span>00412 <span class="keywordflow">if</span> (<a class="code" href="player_8c.html#a6">uiMode</a>==<a class="code" href="ui_8h.html#a24a10">UI_STOP</a>)00413 <a class="code" href="player_8c.html#a6">uiMode</a>++; <span class="comment">//Nothing interesting currently in screen UI_STOP.</span>00414 00415 <span class="comment">/* Screen updates */</span>00416 <span class="keywordflow">switch</span>(<a class="code" href="player_8c.html#a6">uiMode</a>){00417 00418 <span class="keywordflow">case</span> <a class="code" href="ui_8h.html#a24a2">UI_TITLE</a>: <span class="comment">//Playing time, song title</span>00419 00420 <a class="code" href="display_8c.html#a4">displayStyle</a> = <a class="code" href="display_8h.html#a1">DS_TEXT</a>;00421 <a class="code" href="player_8c.html#a11">ScreenSetPlayTime</a>();00422 00423 <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>){ 00424 <a class="code" href="display_8c.html#a4">displayStyle</a> = <a class="code" href="display_8h.html#a3">DS_PERCENTAGE</a>;00425 } 00426 00427 <span class="keywordflow">break</span>;00428 00429 <span class="keywordflow">case</span> <a class="code" href="ui_8h.html#a24a10">UI_STOP</a>: <span class="comment">//Ask if the user wants to stop</span>00430 <a class="code" href="display_8c.html#a4">displayStyle</a> = <a class="code" href="display_8h.html#a4">DS_NO_YES</a>;00431 strcpy (<a class="code" href="display_8c.html#a1">displayTitle</a>, <span class="stringliteral">"Stop? "</span>);00432 <span class="keywordflow">break</span>;00433 00434 <span class="keywordflow">case</span> <a class="code" href="ui_8h.html#a24a7">UI_CUE</a>: <span class="comment">//Ask if the user wants to fast forward or rewind</span>00435 <a class="code" href="display_8c.html#a4">displayStyle</a> = <a class="code" href="display_8h.html#a6">DS_RAWTEXT</a>;00436 strcpy (<a class="code" href="display_8c.html#a1">displayTitle</a>, <span class="stringliteral">"REW/CUE <- ->"</span>);00437 00438 <span class="comment">//i = Mp3ReadRegister(SPI_HDAT1);</span>00439 <span class="comment">//displayTitle[5] = lcd_hexchars[i>>12];</span>00440 <span class="comment">//displayTitle[6] = lcd_hexchars[(i>>8)&0x0f];</span>00441 <span class="comment">//displayTitle[7] = lcd_hexchars[(i>>4)&0x0f];</span>00442 <span class="comment">//displayTitle[8] = lcd_hexchars[i&0x0f];</span>00443 00444 <span class="keywordflow">break</span>;00445 00446 <span class="keywordflow">case</span> <a class="code" href="ui_8h.html#a24a4">UI_VOLUME</a>: <span class="comment">//Show volume bar</span>00447 <a class="code" href="lcd_8h.html#a5">LcdSelectFont</a>(<a class="code" href="lcdfonts_8c.html#a0">lcdFont_barchars</a>);00448 <a class="code" href="display_8c.html#a4">displayStyle</a> = <a class="code" href="display_8h.html#a3">DS_PERCENTAGE</a>;00449 strcpy(<a class="code" href="display_8c.html#a1">displayTitle</a>,<span class="stringliteral">"Volume: "</span>);00450 <a class="code" href="display_8c.html#a5">displayValue</a> = (100-(volume>>1));00451 <span class="keywordflow">if</span> (<a class="code" href="display_8c.html#a5">displayValue</a><0) <a class="code" href="display_8c.html#a5">displayValue</a> = 0;00452 <span class="keywordflow">break</span>;00453 00454 <span class="keywordflow">case</span> <a class="code" href="ui_8h.html#a24a5">UI_BASS</a>: <span class="comment">//Show bass bar</span>00455 <a class="code" href="lcd_8h.html#a5">LcdSelectFont</a>(<a class="code" href="lcdfonts_8c.html#a0">lcdFont_barchars</a>);00456 <a class="code" href="display_8c.html#a4">displayStyle</a> = <a class="code" href="display_8h.html#a3">DS_PERCENTAGE</a>;00457 strcpy(<a class="code" href="display_8c.html#a1">displayTitle</a>,<span class="stringliteral">"Bass: "</span>);00458 <a class="code" href="display_8c.html#a5">displayValue</a> = (bass/5)*4;00459 <span class="keywordflow">if</span> (<a class="code" href="display_8c.html#a5">displayValue</a><1) <a class="code" href="display_8c.html#a5">displayValue</a> = 1;00460 <span class="keywordflow">break</span>;00461 00462 <span class="keywordflow">case</span> <a class="code" href="ui_8h.html#a24a6">UI_TREBLE</a>: <span class="comment">//Show treble bar</span>00463 <a class="code" href="lcd_8h.html#a5">LcdSelectFont</a>(<a class="code" href="lcdfonts_8c.html#a0">lcdFont_barchars</a>);00464 <a class="code" href="display_8c.html#a4">displayStyle</a> = <a class="code" href="display_8h.html#a3">DS_PERCENTAGE</a>;00465 strcpy(<a class="code" href="display_8c.html#a1">displayTitle</a>,<span class="stringliteral">"Treble: "</span>);00466 <a class="code" href="display_8c.html#a5">displayValue</a> = (treble/5)*4;00467 <span class="keywordflow">if</span> (<a class="code" href="display_8c.html#a5">displayValue</a><1) <a class="code" href="display_8c.html#a5">displayValue</a> = 1;00468 <span class="keywordflow">break</span>;00469 00470 <span class="keywordflow">case</span> <a class="code" href="ui_8h.html#a24a8">UI_RECLEVEL</a>: <span class="comment">//Show recording level</span>00471 00472 <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>){00473 <a class="code" href="lcd_8h.html#a5">LcdSelectFont</a>(<a class="code" href="lcdfonts_8c.html#a0">lcdFont_barchars</a>);00474 <a class="code" href="display_8c.html#a4">displayStyle</a> = <a class="code" href="display_8h.html#a3">DS_PERCENTAGE</a>;00475 strcpy(<a class="code" href="display_8c.html#a1">displayTitle</a>,<span class="stringliteral">"RecLevel"</span>);00476 <a class="code" href="display_8c.html#a5">displayValue</a> = (reclevel);00477 <span class="keywordflow">if</span> (reclevel==0){00478 strcpy(<a class="code" href="display_8c.html#a1">displayTitle</a>,<span class="stringliteral">"RecLevel <Auto> "</span>);00479 <a class="code" href="display_8c.html#a4">displayStyle</a> = <a class="code" href="display_8h.html#a6">DS_RAWTEXT</a>; <span class="comment">//Reveal the "auto" text</span>00480 }00481 }<span class="keywordflow">else</span>{00482 <span class="comment">//Not in recording</span>00483 <a class="code" href="display_8c.html#a4">displayStyle</a> = <a class="code" href="display_8h.html#a4">DS_NO_YES</a>;00484 strcpy (<a class="code" href="display_8c.html#a1">displayTitle</a>, <span class="stringliteral">"Record? "</span>);00485 }00486 <span class="keywordflow">break</span>;00487 00488 00489 <span class="keywordflow">case</span> <a class="code" href="ui_8h.html#a24a3">UI_SPEC</a>: <span class="comment">// Spectrum analyzer</span>00490 00491 <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>){00492 <a class="code" href="player_8c.html#a6">uiMode</a>++; <span class="comment">//Don't show specana when recording</span>00493 }00494 00495 <a class="code" href="lcd_8h.html#a5">LcdSelectFont</a>(<a class="code" href="lcdfonts_8c.html#a2">lcdFont_vertical_barchars</a>);00496 <a class="code" href="display_8c.html#a4">displayStyle</a> = <a class="code" href="display_8h.html#a6">DS_RAWTEXT</a>;00497 <a class="code" href="player_8c.html#a11">ScreenSetPlayTime</a>();00498 00499 <span class="comment">// Request to read Spectrum Analyzer register</span>00500 <a class="code" href="vs10xx_8h.html#a32">Mp3WriteRegister</a>(7, 0x18, 0x04);00501 00502 <span class="comment">// Read Spectrum Analyzer registers</span>00503 {00504 <span class="keywordflow">for</span> (i=0;i<8;i++) { <span class="comment">//for each band i in [0..7]</span>00505 <span class="keywordtype">signed</span> <span class="keywordtype">char</span> thisband = <a class="code" href="vs10xx_8h.html#a38">Mp3ReadRegister</a>(6);00506 00507 <span class="comment">/* thisband now has spectrum value 0..63. We adjust it a little</span>00508 <span class="comment"> for best image on the evakit LCD. You also get peak values</span>00509 <span class="comment"> etc from the chip but we don't use them in the evakit screen.</span>00510 <span class="comment"> we use 8 bands, but up to 23 are obtainable from the chip. */</span>00511 00512 thisband &= 63; <span class="comment">/* mask all but level info */</span>00513 thisband >>= 1; <span class="comment">/* LCD resolution is not high */</span>00514 thisband -= 3; <span class="comment">/* base offset */</span> 00515 <span class="keywordflow">if</span> (i==0) thisband -= 2; <span class="comment">/* decrease bass bar level */</span>00516 <span class="keywordflow">if</span> (i==6) thisband += 1; <span class="comment">/* increase treble bar level */</span>00517 <span class="keywordflow">if</span> (i==7) thisband += 1; <span class="comment">/* increase treble bar level */</span>00518 <span class="keywordflow">if</span> (thisband>7) thisband = 7; <span class="comment">/* high limit */</span>00519 <span class="keywordflow">if</span> (thisband<0) thisband =<span class="charliteral">' '</span>; <span class="comment">/* low limit */</span>00520 00521 <a class="code" href="display_8c.html#a1">displayTitle</a>[i+8] = thisband; <span class="comment">//Store to display mem</span>00522 00523 }<span class="comment">//for each band</span>00524 }00525 <span class="keywordflow">break</span>;00526 00527 } <span class="comment">//switch(uiMode) </span>00528 00529 <span class="comment">// Buttons handler</span>00530 <span class="comment">// Perform mode-dependent button handling</span>00531 00532 <span class="keywordflow">if</span> ((<a class="code" href="board_8h.html#a14">KEY_BUTTON</a>) && (uiReturnDelay < <a class="code" href="player_8c.html#a2">UI_RETURN_DELAY</a>-20)){00533 <a class="code" href="lcd_8c.html#a4">LcdReset</a>();00534 <a class="code" href="player_8c.html#a6">uiMode</a>++;00535 uiReturnDelay = <a class="code" href="player_8c.html#a2">UI_RETURN_DELAY</a>;00536 }00537 00538 <span class="keywordflow">switch</span>(<a class="code" href="player_8c.html#a6">uiMode</a>){00539 00540 <span class="keywordflow">case</span> <a class="code" href="ui_8h.html#a24a2">UI_TITLE</a>:00541 <span class="keywordflow">case</span> <a class="code" href="ui_8h.html#a24a3">UI_SPEC</a>:00542 ?? 快捷鍵說(shuō)明
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