📄 main.txt
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;;;417 if(FAT_LoadPartCluster(p,part,buffer))
;;;418 {
;;;419 #if DEBUG
;;;420 printf_P(("ERROR: Failed to read one sector\r\n"));
;;;421 #endif
;;;422 free(buffer);
;;;423 return 1;
;;;424 }
;;;425 for(j=0;j<512;) /* second loop for analyze each byte of the sector */
;;;426 {
;;;427 if(sector == totalsect && j == leftbytes) /* see if it is the end of file */
;;;428 {
;;;429 part = SectorsPerClust; /* next loop it will get out */
;;;430 break;
;;;431 }
;;;432 if(buffer[j] == '[') /* if it is the "[" : the tag start */
;;;433 {
;;;434 #if DEBUG
;;;435 printf_P(("found tag start ["));
;;;436 #endif
;;;437 /**********************************************************************************************************/
;;;438 i = 0;
;;;439 if(strcomp_noncase("TI:",&buffer[j+1])) /* string compare to check if this is a title tag */
;;;440 {
;;;441 j+=4; /* count add 4 */
;;;442 while(1) /* store the title */
;;;443 {
;;;444 temp = buffer[j++];
;;;445 if(temp == 0x0d || temp == 0x0a || temp == ']' || i> (TI_LEN - 2)) /* title ended */
;;;446 break;
;;;447 LrcStructHead.title[i++] = temp;
;;;448 }
;;;449 LrcStructHead.title[i] = 0; /* need a 0 to end the string */
;;;450
;;;451 #if DEBUG
;;;452 printf_P((" found title tag: %s ]\r\n"),LrcStructHead.title);
;;;453 #else
;;;454 printf_P(("Title : %s \r\n"),LrcStructHead.title);
;;;455 #endif
;;;456
;;;457 }
;;;458 /**********************************************************************************************************/
;;;459 else if(strcomp_noncase("AR:",&buffer[j+1])) /* string compare to check if this is a artist tag */
;;;460 {
;;;461 j+=4; /* count += 4 */
;;;462 while(1) /* store the content */
;;;463 {
;;;464 temp = buffer[j++];
;;;465 if(temp == 0x0d || temp == 0x0a || temp == ']' || i>(AR_LEN - 2)) /* tag ended */
;;;466 break;
;;;467 LrcStructHead.artist[i++] = temp;
;;;468 }
;;;469 LrcStructHead.artist[i] = 0; /* need a 0 to end the string */
;;;470
;;;471 #if DEBUG
;;;472 printf_P((" found artist tag: %s ]\r\n"),LrcStructHead.artist);
;;;473 #else
;;;474 printf_P(("Artist : %s \r\n"),LrcStructHead.artist);
;;;475 #endif
;;;476
;;;477 }
;;;478 /**********************************************************************************************************/
;;;479 else if(strcomp_noncase("OFFSET:",&buffer[j+1])) /* string compare to check if this is a offset tag */
;;;480 {
;;;481 j+=8; /* count += 8 */
;;;482
;;;483 LrcStructHead.offset = 0; /* default value, in case the tag like this [offset:] */
;;;484 LrcStructHead.sign = 1;
;;;485
;;;486 #if DEBUG
;;;487 printf_P((" found offset tag: "));
;;;488 #else
;;;489 //printf_P(("\r\n"));
;;;490 #endif
;;;491
;;;492 while(1) /* proceed the offset */
;;;493 {
;;;494 temp = buffer[j++];
;;;495
;;;496 #if DEBUG
;;;497 uart0_putc(temp);
;;;498 #endif
;;;499
;;;500 if(temp == ']')break; /* tag end */
;;;501 if(temp == '-') /* sign */
;;;502 {
;;;503 LrcStructHead.sign = 0;
;;;504 continue;
;;;505 }
;;;506 LrcStructHead.offset *= 10; /* calculate the value */
;;;507 LrcStructHead.offset += (temp-0x30);
;;;508 }
;;;509
;;;510 #if DEBUG
;;;511 printf_P(("the value in the structure is : %d\r\n"),LrcStructHead.offset);
;;;512 #endif
;;;513
;;;514 }
;;;515 /**********************************************************************************************************/
;;;516 else if(strcomp_noncase("BY:",&buffer[j+1])) /* string compare to check if this is a By tag */
;;;517 { /* but we do not need this tag */
;;;518 j+=4;
;;;519
;;;520 #if DEBUG
;;;521 printf_P((" found by tag: "));
;;;522 #endif
;;;523
;;;524 while(1)
;;;525 {
;;;526 temp = buffer[j++];
;;;527
;;;528 #if DEBUG
;;;529 uart0_putc(temp);
;;;530 #endif
;;;531
;;;532 if(temp == 0x0d || temp == 0x0a || temp == ']' ||i>30)break;
;;;533 }
;;;534 #if DEBUG
;;;535 printf_P("\r\n");
;;;536 #endif
;;;537 }
;;;538 /**********************************************************************************************************/
;;;539 else if(strcomp_noncase("AL:",&buffer[j+1])) /* string compare to check if this is a album tag */
;;;540 {
;;;541 j+=4;
;;;542
;;;543 #if DEBUG
;;;544 printf_P((" found al tag: "));
;;;545 #else
;;;546 uart0_prints(("Album : "));
;;;547 #endif
;;;548
;;;549 while(1)
;;;550 {
;;;551 temp = buffer[j++];
;;;552 if(temp == 0x0d || temp == 0x0a || temp == ']' ||i>30)break;
;;;553 uart0_putc(temp);
;;;554 }
;;;555 printf_P("\r\n");
;;;556 }
;;;557 /**********************************************************************************************************/
;;;558 else /* otherwise this must the time tag or other not recognize tag */
;;;559 {
;;;560 j+=1;
;;;561 /****************************************************************/
;;;562 if(sector == totalsect && j == leftbytes + 1) goto end; /* if the file is end */
;;;563 if(j == 512) /* wether the sector is end, need to read the next sector */
;;;564 {
;;;565 if(part == (SectorsPerClust - 1)) /* if need to read next cluster */
;;;566 {
;;;567 //p=FAT_NextCluster_NEW(p);//读下一簇数据 //read next cluster
;;;568 p=FAT_NextCluster(p);
;;;569 if(p == 0x0fffffff || p == 0x0ffffff8 || (FAT32_Enable == 0 && p == 0xffff))//如果无后续簇则结束， //no more cluster
;;;570 {
;;;571 #if DEBUG
;;;572 printf_P(("No next cluster or read next cluster error\r\n"));
;;;573 #endif
;;;574 goto end;
;;;575 }
;;;576 part = 0; /* clear the part count */
;;;577 if(FAT_LoadPartCluster(p,part,buffer))
;;;578 {
;;;579 #if DEBUG
;;;580 printf_P(("ERROR: Faild to load a sector\r\n"));
;;;581 #endif
;;;582 free(buffer);
;;;583 return 1;
;;;584 }
;;;585 }
;;;586 else /* else just read the next part of the cluster */
;;;587 {
;;;588 part ++; /* part ++ */
;;;589 if(FAT_LoadPartCluster(p,part,buffer))
;;;590 {
;;;591 #if DEBUG
;;;592 printf_P(("ERROR: Faild to load a sector\r\n"));
;;;593 #endif
;;;594 free(buffer);
;;;595 return 1;
;;;596 }
;;;597 }
;;;598 sector ++; /* sector count +=1 */
;;;599 j = 0; /* loop value clear to 0*/
;;;600 }
;;;601 /********************************************************/
;;;602 min = 0; /* clear the temp variable for time to 0 */
;;;603 sec = 0;
;;;604 ms = 0;
;;;605 i = 0; /* for tag use, to ditermin tag like [XX:XX] & [XX:XX:XX] */
;;;606 while(1)
;;;607 {
;;;608 temp = buffer[j++];
;;;609
;;;610 #if DEBUG
;;;611 uart0_putc(temp);
;;;612 #endif
;;;613
;;;614 /**********************************************************/
;;;615 if(sector == totalsect && j == leftbytes + 1) goto end; /* file end */
;;;616 if(j == 512) /* need to read next sector */
;;;617 {
;;;618 if(part == (SectorsPerClust - 1)) /* if need to read next cluster */
;;;619 {
;;;620 //p=FAT_NextCluster_NEW(p);//读下一簇数据 //read next cluster
;;;621 p=FAT_NextCluster(p);
;;;622 if(p == 0x0fffffff || p == 0x0ffffff8 || (FAT32_Enable == 0 && p == 0xffff))//如果无后续簇则结束， //no more cluster
;;;623 {
;;;624 #if DEBUG
;;;625 printf_P(("No next cluster or read next cluster error\r\n"));
;;;626 #endif
;;;627 goto end;
;;;628 }
;;;629 part = 0; /* clear the part count */
;;;630 if(FAT_LoadPartCluster(p,part,buffer))
;;;631 {
;;;632 #if DEBUG
;;;633 printf_P(("ERROR: Faild to load a sector\r\n"));
;;;634 #endif
;;;635 free(buffer);
;;;636 return 1;
;;;637 }
;;;638 }
;;;639 else /* else just read the next part of the cluster */
;;;640 {
;;;641 part ++; /* part ++ */
;;;642 if(FAT_LoadPartCluster(p,part,buffer))
;;;643 {
;;;644 #if DEBUG
;;;645 printf_P(("ERROR: Faild to load a sector\r\n"));
;;;646 #endif
;;;647 free(buffer);
;;;648 return 1;
;;;649 }
;;;650 }
;;;651 sector ++; /* sector count +=1 */
;;;652 j = 0; /* loop value clear to 0*/
;;;653 }
;;;654 /***********************************************/
;;;655 if((temp < '0' || temp > '9') && temp != ':' && temp != '.')break; /* end or not a leagal ch*/
;;;656 if(temp == ':'){i=1;continue;}
;;;657 if(temp == '.'){i=2;mscnt = 0;continue;}
;;;658
;;;659 /* calculate the value */
;;;660 if(i==0)min = min*10 + (temp-0x30);
;;;661 else if(i==1)sec = sec*10 + (temp-0x30);
;;;662 else
;;;663 {
;;;664 if(mscnt == 0)
;;;665 ms += (temp-0x30)*100;
;;;666 else if(mscnt == 1)
;;;667 ms += (temp - 0x30)*10;
;;;668 else ms += temp-0x30;
;;;669 mscnt ++;
;;;670 }
;;;671 }
;;;672
;;;673 if(temp == ']') /* if tag end */
;;;674 {
;;;675
;;;676 #if DEBUG
;;;677 printf_P((" found time tag: "));
;;;678 printf_P(("min = %d; "),min);
;;;679 printf_P(("sec = %d; "),sec);
;;;680 printf_P(("ms = %d; \r\n"),ms);
;;;681 #endif
;;;682
;;;683 if(LrcStruct_p == 0)
;;;684 {
;;;685 printf_P(("WARNING: Sorry! no more space for the rest tag, som lryic can't display!\r\n"));
;;;686 goto end;
;;;687 }
;;;688
;;;689 /* set time value without offset */
;;;690 LrcStruct_p->time = (uint32)(min*60 + sec)*1000 + ms;
;;;691
;;;692 #if DEBUG
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