HAPI- Tech
use VS1033(MP3 decoder) and UL024TF(TFTLCD)
Dependencies: FastIO SDFileSystem TFTLCDwithFastIO TouchPanel VS1033 mbed
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11U68_MP3Player with TFTLCD
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main.cpp
00001 #pragma O3 00002 00003 #include "FastIO.h" 00004 #include "ili9328.h" 00005 #include "stdio.h" 00006 #include "string.h" 00007 #include "SDFileSystem.h" 00008 #include "VS1053.h" 00009 #include "image.h" 00010 #include "TouchPanel.h" 00011 #include "mbed.h" 00012 00013 //(PinName CS, PinName RESET, PinName RS, PinName WR, BusOut *DATA_PORT, PinName BL=NC, PinName RD=NC, backlight_t blType=Constant, float defaultBackLightLevel=1.0) 00014 //LCDのバスピンはTFTLCDライブラリ内のili9328.cpp内に記述する改変をしている 00015 ILI9328_LCD lcd( P0_12, P0_11, P0_13, P0_14, NULL, NC, P1_9 ); // control pins and data bus 00016 00017 SDFileSystem sd(/*MOSI*/ P0_9, /*MISO*/ P0_8, /*SCK*/ P1_29, /*CS*/ P0_2, /*Mountpoint*/ "sd", NC, SDFileSystem::SWITCH_NONE, 20000000); 00018 00019 VS1053 mp3(/*MOSI*/ P1_22 , /*MISO*/ P1_21, /*SCK*/ P1_20, /*CS*/ P1_23, 00020 /*BSYNC*/ P2_17, /*DREQ*/ P2_16, /*RST*/ P2_18, /*SPI freq.*/ 5000000); 00021 Ticker Int10ms; 00022 00023 Serial pc(P0_19,P0_18); 00024 #define SD_READ_BLOCK_SIZE (256) 00025 00026 //操作用ボタンの配置座標 00027 #define BOTTON_PREV_XPOS (15) 00028 #define BOTTON_PREV_YPOS (180) 00029 #define BOTTON_PLAY_XPOS (91) 00030 #define BOTTON_PLAY_YPOS (180) 00031 #define BOTTON_STOP_XPOS (168) 00032 #define BOTTON_STOP_YPOS (180) 00033 #define BOTTON_NEXT_XPOS (245) 00034 #define BOTTON_NEXT_YPOS (180) 00035 00036 //prevボタンのタッチ判定関数 00037 bool checkTouchBotton_prev(int32_t xpos,int32_t ypos) 00038 { 00039 bool result = 0; 00040 if( ( (xpos >= BOTTON_PREV_XPOS+5) && (xpos <= BOTTON_PREV_XPOS+55) ) && 00041 ( (ypos >= BOTTON_PREV_YPOS+5) && (ypos <= BOTTON_PREV_YPOS+55) ) ) 00042 { 00043 result = 1; 00044 } 00045 return result; 00046 } 00047 00048 //playボタンのタッチ判定関数 00049 bool checkTouchBotton_play(int32_t xpos,int32_t ypos) 00050 { 00051 bool result = 0; 00052 if( ( (xpos >= BOTTON_PLAY_XPOS+5) && (xpos <= BOTTON_PLAY_XPOS+55) ) && 00053 ( (ypos >= BOTTON_PLAY_YPOS+5) && (ypos <= BOTTON_PLAY_YPOS+55) ) ) 00054 { 00055 result = 1; 00056 } 00057 return result; 00058 } 00059 00060 //stopボタンのタッチ判定関数 00061 bool checkTouchBotton_stop(int32_t xpos,int32_t ypos) 00062 { 00063 bool result = 0; 00064 if( ( (xpos >= BOTTON_STOP_XPOS+5) && (xpos <= BOTTON_STOP_XPOS+55) ) && 00065 ( (ypos >= BOTTON_STOP_XPOS+5) && (ypos <= BOTTON_STOP_XPOS+55) ) ) 00066 { 00067 result = 1; 00068 } 00069 return result; 00070 } 00071 00072 //nextボタンのタッチ判定関数 00073 bool checkTouchBotton_next(int32_t xpos,int32_t ypos) 00074 { 00075 bool result = 0; 00076 if( ( (xpos >= BOTTON_NEXT_XPOS+5) && (xpos <= BOTTON_NEXT_XPOS+55) ) && 00077 ( (ypos >= BOTTON_NEXT_YPOS+5) && (ypos <= BOTTON_NEXT_YPOS+55) ) ) 00078 { 00079 result = 1; 00080 } 00081 return result; 00082 } 00083 00084 //どのボタンが押されたかの定義 00085 #define TOUCHPANEL_BOTTON_TOUCH_STOP (0) 00086 #define TOUCHPANEL_BOTTON_TOUCH_PLAY (1) 00087 #define TOUCHPANEL_BOTTON_TOUCH_NEXT (2) 00088 #define TOUCHPANEL_BOTTON_TOUCH_PREV (3) 00089 #define TOUCHPANEL_BOTTON_TOUCH_VOLUP (4) 00090 #define TOUCHPANEL_BOTTON_TOUCH_VOLDOWN (5) 00091 #define TOUCHPANEL_BOTTON_NOT_TOUCH (-1) 00092 #define TOUCHPANEL_OTHER_TOUCH (-2) 00093 00094 //タッチ検出用関数 00095 int8_t detectTouchBotton(int32_t xpos,int32_t ypos) 00096 { 00097 int8_t result = 0; 00098 00099 if( checkTouchBotton_stop(xpos,ypos) ) 00100 { 00101 result = TOUCHPANEL_BOTTON_TOUCH_STOP; 00102 } 00103 else if( checkTouchBotton_play(xpos,ypos) ) 00104 { 00105 result = TOUCHPANEL_BOTTON_TOUCH_PLAY; 00106 } 00107 else if( checkTouchBotton_prev(xpos,ypos) ) 00108 { 00109 result = TOUCHPANEL_BOTTON_TOUCH_PREV; 00110 } 00111 else if( checkTouchBotton_next(xpos,ypos) ) 00112 { 00113 result = TOUCHPANEL_BOTTON_TOUCH_NEXT; 00114 } 00115 else if( (xpos == -1) || (ypos == -1) ) 00116 { 00117 result = TOUCHPANEL_BOTTON_NOT_TOUCH; 00118 } 00119 else 00120 { 00121 result = TOUCHPANEL_OTHER_TOUCH; 00122 } 00123 00124 return result; 00125 } 00126 00127 uint8_t g_mp3Player_State = 0; 00128 uint16_t g_mp3Player_Volume = 0; 00129 bool gf_mp3Playwe_VolmeUpdate = 0; 00130 bool gf_TimerInt = 0; 00131 00132 void Int10msFunc() 00133 { 00134 gf_TimerInt = 1; 00135 } 00136 00137 int main() 00138 { 00139 static FILE *fp = NULL; 00140 uint8_t SDFileOpenFailCnt = 0; 00141 size_t mp3_ReadFileSize = 0; 00142 size_t mp3_totalSizeSent=0; 00143 size_t mp3_fileSize=0; 00144 bool f_mp3Playwe_Playing = 0; 00145 uint8_t buf[SD_READ_BLOCK_SIZE]; 00146 char str[100]; 00147 int32_t XReadPos = 0,YReadPos = 0; 00148 uint32_t aveXReadPos = 0,aveYReadPos = 0; 00149 uint8_t c_TouchPanelAve = 0; 00150 bool touchPanel_Touched = 0; 00151 uint32_t totalPlay = 0; 00152 int dot1_FileSize = 0; 00153 int dot_XPos = 0,old_dot_XPos = 0; 00154 int lcd_FileViewPage = 0,old_lcd_FileViewPage = 0; 00155 int lcd_FileViewListEnd = 0; 00156 00157 //Format,Xsize,Ysize,PixelData 00158 const bitmap_t img_button_play = { RGB16, 60, 60, &bmp_button_play }; 00159 const bitmap_t img_button_stop = { RGB16, 60, 60, &bmp_button_stop }; 00160 const bitmap_t img_button_next = { RGB16, 60, 60, &bmp_button_next }; 00161 const bitmap_t img_button_prev = { RGB16, 60, 60, &bmp_button_prev }; 00162 const bitmap_t img_button_pause = { RGB16, 60, 60, &bmp_button_pause }; 00163 00164 pc.baud(921600); 00165 printf("Power ON\r\n"); 00166 00167 Int10ms.attach_us(&Int10msFunc, 10000); 00168 00169 //SD Init.(本来ならいらないけど、SDカードによっちゃもう１回リセットしないとアクセスできない場合あり 00170 sd.disk_initialize(); 00171 printf("SDCard inited.\r\n"); 00172 00173 //LCD Init. 00174 lcd.Initialize(LANDSCAPE,RGB16); 00175 printf("LCD inited.\r\n"); 00176 00177 /* for sine test mode */ 00178 // mp3.sine_test_activate(SineWave_10k); 00179 // while(1); 00180 00181 //MP3 decoder Init. 00182 mp3.hardwareReset(); 00183 mp3.sci_init(); 00184 mp3.sdi_init(); 00185 wait(0.1); 00186 printf("VS1033 inited.\r\n"); 00187 printf("init CMPL.\r\n"); 00188 00189 //バックスクリーン色を青色に指定し、画面全体をバックスクリーン色で塗りつぶし 00190 lcd.SetBackground(COLOR_BLUE); 00191 lcd.FillScreen(-1); 00192 //フォント指定 00193 lcd.SetFont( &TerminusBigFont ); 00194 00195 //for Caliblation 00196 while(0) 00197 { 00198 int32_t XReadPos = 0,YReadPos = 0; 00199 lcd.DrawCircle(40,40,10,COLOR_WHITE); 00200 lcd.DrawCircle(280,200,10,COLOR_WHITE); 00201 XReadPos = getTouchPanelPosX(); 00202 YReadPos = getTouchPanelPosY(); 00203 printf("X:%d Y:%d\r\n",XReadPos,YReadPos); 00204 wait_ms(500); 00205 } 00206 00207 //MP3プレイヤー操作用ボタンを配置 00208 //Xpos, Ypos, ImageData(type:bitmap_t), Scale 00209 lcd.DrawBitmap( BOTTON_PREV_XPOS, BOTTON_PREV_YPOS, (const bitmap_t*)&img_button_prev, 1 ); 00210 lcd.DrawBitmap( BOTTON_PLAY_XPOS, BOTTON_PLAY_YPOS, (const bitmap_t*)&img_button_play, 1 ); 00211 lcd.DrawBitmap( BOTTON_STOP_XPOS, BOTTON_STOP_YPOS, (const bitmap_t*)&img_button_stop, 1 ); 00212 lcd.DrawBitmap( BOTTON_NEXT_XPOS, BOTTON_STOP_YPOS, (const bitmap_t*)&img_button_next, 1 ); 00213 00214 //////////////////////////////////////////////////////////// 00215 /* SDCard GetFileList Section */ 00216 //////////////////////////////////////////////////////////// 00217 #define SD_MAX_FILENAME_LENGTH (256) //MAX 256 00218 #define SD_MAX_FILE_COUNT (50) 00219 00220 char SDFileList[SD_MAX_FILE_COUNT][SD_MAX_FILENAME_LENGTH]={0}; 00221 char SDFileList_short[SD_MAX_FILE_COUNT][SD_MAX_FILENAME_LENGTH]={0}; 00222 char SDFileList_cnt = 0; 00223 char mp3PlayingFileName[SD_MAX_FILENAME_LENGTH]={0}; 00224 uint8_t mp3PlayingFileNo = 0; 00225 int i = 0; 00226 DIR *d; 00227 struct dirent *p; 00228 00229 d = opendir("/sd"); 00230 if ( d != NULL ) 00231 { 00232 while ( (p = readdir(d)) != NULL ) //SDカード内のファイル一覧を取得 00233 { 00234 char *ret; 00235 ret = strstr(p->d_name,"System"); //System Vol..フォルダは除外 00236 if(ret == 0) 00237 { 00238 sprintf((char *)(SDFileList_short[i]+0),"%s",(const char *)p->d_name); 00239 sprintf((char *)(SDFileList[i]+0),"/sd/%s",(const char *)p->d_name); 00240 printf("FileFound:%d,%s\r\n",i,SDFileList[i]); 00241 i+=1; 00242 } 00243 } 00244 SDFileList_cnt = i; 00245 } 00246 closedir(d); 00247 00248 //MP3プレイヤーの状態遷移定義 00249 //g_mp3Player_State変数にて使用 00250 #define MP3_STATE_STOPPING (0) 00251 #define MP3_STATE_STOPREQ (1) 00252 #define MP3_STATE_PLAYREQ (2) 00253 #define MP3_STATE_PLAYING (3) 00254 #define MP3_STATE_NEXTREQ (4) 00255 #define MP3_STATE_PREVREQ (5) 00256 #define MP3_STATE_VOLCHANGEREQ (6) 00257 #define MP3_STATE_REPLAY (7) 00258 #define MP3_STATE_FILECHANGE (8) 00259 #define MP3_STATE_PAUSEREQ (9) 00260 #define MP3_STATE_PAUSEING (10) 00261 #define MP3_STATE_RESUMEREQ (11) 00262 00263 printf("file count=%d\r\n",SDFileList_cnt); 00264 00265 mp3PlayingFileNo = 0; 00266 g_mp3Player_State = MP3_STATE_FILECHANGE; 00267 f_mp3Playwe_Playing = 0; 00268 lcd.Print("STOP ",15,145); 00269 //プログレスバーの描画 00270 lcd.DrawRect(135,155,310,165,COLOR_WHITE); 00271 lcd.FillRect(136,156,309,164,COLOR_BLUE); 00272 00273 while(1) 00274 { 00275 00276 ////////////////////////////////////////////////////////////// 00277 /* TouchPanel GetStatas Section */ 00278 ////////////////////////////////////////////////////////////// 00279 if(gf_TimerInt == 1) //10msタイマのフラグが立っていたらタッチパネル読み込みを行う 00280 { 00281 gf_TimerInt = 0; 00282 00283 XReadPos = getTouchPanelPosX(); 00284 YReadPos = getTouchPanelPosY(); 00285 00286 if( detectTouchBotton(XReadPos,YReadPos) == TOUCHPANEL_BOTTON_NOT_TOUCH ) 00287 { 00288 c_TouchPanelAve = 0; 00289 touchPanel_Touched = 0; 00290 aveXReadPos = 0; 00291 aveYReadPos = 0; 00292 } 00293 #define TOUCHPANEL_AVERAGE_COUNT (5) //5回読んだタッチパネル座標の平均値を取得 00294 else if(c_TouchPanelAve <= TOUCHPANEL_AVERAGE_COUNT) 00295 { 00296 printf("X:%d Y:%d\r\n",XReadPos,YReadPos); 00297 aveXReadPos = aveXReadPos + XReadPos; 00298 aveYReadPos = aveYReadPos + YReadPos; 00299 c_TouchPanelAve++; 00300 } 00301 if(c_TouchPanelAve == TOUCHPANEL_AVERAGE_COUNT) 00302 { 00303 aveXReadPos = aveXReadPos/TOUCHPANEL_AVERAGE_COUNT; 00304 aveYReadPos = aveYReadPos/TOUCHPANEL_AVERAGE_COUNT; 00305 c_TouchPanelAve = (TOUCHPANEL_AVERAGE_COUNT+1); 00306 printf("Xave:%d Yave:%d\r\n",aveXReadPos,aveYReadPos); 00307 } 00308 if(c_TouchPanelAve == (TOUCHPANEL_AVERAGE_COUNT+1) ) //平均値を元にどのボタンが押されたか判定 00309 { 00310 switch( detectTouchBotton(aveXReadPos,aveYReadPos) ) 00311 { 00312 case TOUCHPANEL_BOTTON_TOUCH_PREV: 00313 if(touchPanel_Touched == 0) 00314 { 00315 printf("prev touch\r\n"); 00316 g_mp3Player_State = MP3_STATE_PREVREQ; 00317 touchPanel_Touched = 1; 00318 } 00319 break; 00320 case TOUCHPANEL_BOTTON_TOUCH_PLAY: 00321 if(touchPanel_Touched == 0) 00322 { 00323 printf("play touch\r\n"); 00324 if( (g_mp3Player_State == MP3_STATE_STOPPING) ) 00325 { 00326 g_mp3Player_State = MP3_STATE_PLAYREQ; 00327 printf("MP3_STATE_PLAYREQ\r\n"); 00328 } 00329 if( g_mp3Player_State == MP3_STATE_PLAYING ) 00330 { 00331 g_mp3Player_State = MP3_STATE_PAUSEREQ; 00332 printf("MP3_STATE_PAUSEREQ\r\n"); 00333 } 00334 if( g_mp3Player_State == MP3_STATE_PAUSEING ) 00335 { 00336 g_mp3Player_State = MP3_STATE_RESUMEREQ; 00337 printf("MP3_STATE_RESUMEREQ\r\n"); 00338 } 00339 00340 touchPanel_Touched = 1; 00341 } 00342 break; 00343 case TOUCHPANEL_BOTTON_TOUCH_STOP: 00344 if(touchPanel_Touched == 0) 00345 { 00346 printf("stop touch\r\n"); 00347 if( (g_mp3Player_State != MP3_STATE_STOPPING) && (g_mp3Player_State != MP3_STATE_STOPREQ) ) 00348 { 00349 g_mp3Player_State = MP3_STATE_STOPREQ; 00350 } 00351 touchPanel_Touched = 1; 00352 } 00353 break; 00354 case TOUCHPANEL_BOTTON_TOUCH_NEXT: 00355 if(touchPanel_Touched == 0) 00356 { 00357 printf("next touch\r\n"); 00358 g_mp3Player_State = MP3_STATE_NEXTREQ; 00359 touchPanel_Touched = 1; 00360 } 00361 break; 00362 case TOUCHPANEL_OTHER_TOUCH: 00363 //printf("otherTouch\r\n"); 00364 //printf("X:%d Y:%d\r\n",XReadPos,YReadPos); 00365 break; 00366 case TOUCHPANEL_BOTTON_NOT_TOUCH: 00367 //printf("notTouch\r\n"); 00368 touchPanel_Touched = 0; 00369 break; 00370 default : 00371 break; 00372 } 00373 } 00374 } 00375 00376 ////////////////////////////////////////////////////////////// 00377 /* MP3 Player Control Section */ 00378 ////////////////////////////////////////////////////////////// 00379 switch(g_mp3Player_State) 00380 { 00381 case MP3_STATE_PLAYREQ: 00382 { 00383 printf("FileOpen:%s\r\n",mp3PlayingFileName); 00384 fp = fopen(mp3PlayingFileName, "rb"); 00385 SDFileOpenFailCnt = 0; 00386 while(!fp) 00387 { 00388 SDFileOpenFailCnt+=1; 00389 if(SDFileOpenFailCnt >= 3) 00390 { 00391 printf("Fail SD init\r\n"); 00392 printf("System Stop.\r\n"); 00393 NVIC_SystemReset(); 00394 } 00395 printf("Fail file open n=%d\r\n",SDFileOpenFailCnt); 00396 sd.disk_initialize(); 00397 fp = fopen(mp3PlayingFileName, "rb"); 00398 wait(1); 00399 } 00400 00401 //Get file size 00402 fseek( fp, 0, SEEK_END ); 00403 mp3_fileSize = ftell( fp ); 00404 printf("FileOpen. size=%dbit\r\n",mp3_fileSize); 00405 00406 //move file pointer to top. 00407 rewind(fp); 00408 clearerr(fp); 00409 mp3_totalSizeSent = 0; 00410 lcd.Print("Playing ",15,145); 00411 00412 lcd.DrawRect(135,155,310,165,COLOR_WHITE); 00413 lcd.FillRect(136,156,309,164,COLOR_BLUE); 00414 dot1_FileSize = mp3_fileSize/175; 00415 00416 g_mp3Player_State = MP3_STATE_PLAYING; 00417 lcd.DrawBitmap( BOTTON_PLAY_XPOS, BOTTON_PLAY_YPOS, (const bitmap_t*)&img_button_pause, 1 ); 00418 00419 totalPlay++; 00420 printf("PlayCount=%d\r\n",totalPlay); 00421 break; 00422 } 00423 case MP3_STATE_PLAYING: 00424 { 00425 if(mp3_totalSizeSent>=mp3_fileSize) //play song end 00426 { 00427 f_mp3Playwe_Playing = 1; 00428 g_mp3Player_State = MP3_STATE_NEXTREQ; //next song 00429 } 00430 else //transmit from SDCard to VS1033 00431 { 00432 if( mp3.checkDREQ() == 1 ) 00433 { 00434 mp3_ReadFileSize = fread(buf, sizeof(uint8_t), SD_READ_BLOCK_SIZE, fp); 00435 mp3_totalSizeSent += mp3.sendDataBlock(buf, mp3_ReadFileSize); 00436 dot_XPos = mp3_totalSizeSent / dot1_FileSize; 00437 if(old_dot_XPos != dot_XPos) 00438 { 00439 lcd.DrawLine(135+dot_XPos, 156, 135+dot_XPos, 164); //x1:135 y1:155 x2:310 y3:165 00440 } 00441 old_dot_XPos = dot_XPos; 00442 //printf("SendedSize:%d LinePos:%d\r\n",mp3_totalSizeSent,dot_XPos); 00443 //printf(" HDAT0:0x%x HDAT1:0x%x\r\n",mp3.readReg(mp3.SCI_HDAT0),mp3.readReg(mp3.SCI_HDAT1)); 00444 } 00445 f_mp3Playwe_Playing = 1; 00446 } 00447 break; 00448 } 00449 case MP3_STATE_PAUSEREQ: 00450 { 00451 lcd.DrawBitmap( BOTTON_PLAY_XPOS, BOTTON_PLAY_YPOS, (const bitmap_t*)&img_button_play, 1 ); 00452 g_mp3Player_State = MP3_STATE_PAUSEING; 00453 break; 00454 } 00455 case MP3_STATE_PAUSEING: 00456 { 00457 break; 00458 } 00459 case MP3_STATE_RESUMEREQ: 00460 { 00461 lcd.DrawBitmap( BOTTON_PLAY_XPOS, BOTTON_PLAY_YPOS, (const bitmap_t*)&img_button_pause, 1 ); 00462 g_mp3Player_State = MP3_STATE_PLAYING; 00463 break; 00464 } 00465 00466 case MP3_STATE_STOPREQ: 00467 case MP3_STATE_REPLAY: 00468 { 00469 uint16_t returnCode=0; 00470 uint16_t stopFailCnt = 0; 00471 uint16_t readHDAT0,readHDAT1; 00472 00473 lcd.Print("STOP ",15,145); 00474 lcd.DrawRect(135,155,310,165,COLOR_WHITE); 00475 lcd.FillRect(136,156,309,164,COLOR_BLUE); 00476 lcd.DrawBitmap( BOTTON_PLAY_XPOS, BOTTON_PLAY_YPOS, (const bitmap_t*)&img_button_play, 1 ); 00477 00478 do 00479 { 00480 returnCode = mp3.stop(); 00481 readHDAT0 = mp3.readReg(mp3.SCI_HDAT0); 00482 readHDAT1 = mp3.readReg(mp3.SCI_HDAT1); 00483 returnCode = readHDAT0||readHDAT1; 00484 00485 printf("STOP\r\nSTOP CODE:%d\r\n",returnCode); 00486 printf(" HDAT0:0x%x HDAT1:0x%x\r\n",readHDAT0,readHDAT1); 00487 00488 if(returnCode != 0 ) 00489 { 00490 stopFailCnt++; 00491 } 00492 if(stopFailCnt >= 20) 00493 { 00494 printf("ERROR! impossible of stop\r\nVS1033 Reset\r\n"); 00495 mp3.hardwareReset(); 00496 mp3.sci_init(); 00497 mp3.sdi_init(); 00498 wait(1); 00499 stopFailCnt = 0; 00500 returnCode = 0; 00501 } 00502 }while(returnCode != 0); 00503 00504 fclose(fp); 00505 fp = NULL; 00506 f_mp3Playwe_Playing = 0; 00507 00508 if(g_mp3Player_State == MP3_STATE_STOPREQ) 00509 { 00510 g_mp3Player_State = MP3_STATE_STOPPING; 00511 } 00512 if(g_mp3Player_State == MP3_STATE_REPLAY) 00513 { 00514 g_mp3Player_State = MP3_STATE_PLAYREQ; 00515 } 00516 break; 00517 } 00518 case MP3_STATE_STOPPING: 00519 { 00520 f_mp3Playwe_Playing = 0; 00521 break; 00522 } 00523 case MP3_STATE_NEXTREQ: 00524 { 00525 if( mp3PlayingFileNo >= (SDFileList_cnt -1) ) 00526 { 00527 mp3PlayingFileNo = 0; 00528 } 00529 else 00530 { 00531 mp3PlayingFileNo+=1; 00532 } 00533 g_mp3Player_State = MP3_STATE_FILECHANGE; 00534 break; 00535 } 00536 case MP3_STATE_PREVREQ: 00537 { 00538 if( mp3PlayingFileNo <= 0 ) 00539 { 00540 mp3PlayingFileNo = (SDFileList_cnt - 1); 00541 } 00542 else 00543 { 00544 mp3PlayingFileNo-=1; 00545 } 00546 g_mp3Player_State = MP3_STATE_FILECHANGE; 00547 break; 00548 } 00549 00550 case MP3_STATE_FILECHANGE: 00551 { 00552 printf("next:%d,%s\r\n",mp3PlayingFileNo,SDFileList[mp3PlayingFileNo]); 00553 00554 lcd_FileViewPage = mp3PlayingFileNo/5; 00555 if(old_lcd_FileViewPage != lcd_FileViewPage) 00556 { 00557 lcd.FillRect(0,0,320,140,COLOR_BLUE); 00558 } 00559 old_lcd_FileViewPage = lcd_FileViewPage; 00560 00561 if(SDFileList_cnt >= 5) 00562 { 00563 if( (SDFileList_cnt-(5*lcd_FileViewPage)) >= 5 ) 00564 { 00565 lcd_FileViewListEnd = (5*lcd_FileViewPage+5); 00566 00567 } 00568 else 00569 { 00570 lcd_FileViewListEnd = (5*lcd_FileViewPage+ ((SDFileList_cnt-(5*lcd_FileViewPage))%5) ); 00571 } 00572 printf("FilePage:%d max:%d\r\n",lcd_FileViewPage, lcd_FileViewListEnd); 00573 00574 for(i=(5*lcd_FileViewPage); i<lcd_FileViewListEnd; i++) 00575 { 00576 sprintf(str,"%d:%s",i,SDFileList_short[i]); 00577 lcd.Print( str, LEFT, (i%5)*28 ); // align text to center horizontally and use starndard colors 00578 } 00579 } 00580 else 00581 { 00582 for(i=0;i<SDFileList_cnt;i++) 00583 { 00584 sprintf(str,"%d:%s",i,SDFileList_short[i]); 00585 lcd.Print( str, LEFT, i*28 ); // align text to center horizontally and use starndard colors 00586 } 00587 } 00588 00589 sprintf(str,"%d:%s",mp3PlayingFileNo,SDFileList_short[mp3PlayingFileNo]); 00590 lcd.Print( str, LEFT, 28*(mp3PlayingFileNo%5),COLOR_YELLOW,-1,0 ); // align text to center horizontally and use starndard colors 00591 if(mp3PlayingFileNo >= 10) 00592 { 00593 lcd.Print( "**", LEFT, 28*(mp3PlayingFileNo%5),COLOR_YELLOW,-1,0); // align text to center horizontally and use starndard colors 00594 } 00595 else 00596 { 00597 lcd.Print( "*", LEFT, 28*(mp3PlayingFileNo%5),COLOR_YELLOW,-1,0 ); // align text to center horizontally and use starndard colors 00598 } 00599 00600 sprintf(mp3PlayingFileName,"%s",SDFileList[mp3PlayingFileNo]); 00601 if(f_mp3Playwe_Playing == 1) 00602 { 00603 g_mp3Player_State = MP3_STATE_REPLAY; 00604 } 00605 else 00606 { 00607 g_mp3Player_State = MP3_STATE_STOPPING; 00608 } 00609 break; 00610 } 00611 default: 00612 { 00613 break; 00614 } 00615 } 00616 } 00617 }
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