ÄÚÈÝ·¢²¼¸üÐÂʱ¼ä : 2025/8/3 9:49:53ÐÇÆÚÒ» ÏÂÃæÊÇÎÄÕµÄÈ«²¿ÄÚÈÝÇëÈÏÕæÔĶÁ¡£
±¾¿Æ±ÏÒµÂÛÎÄ
»ùÓÚSTM32µÄMP3ÒôƵ²¥·ÅÆ÷ÖÆ×÷
¶þ ¼¶ ѧ Ôº ר Òµ Äê ¼¶ ѧ ºÅ ѧ Éú ÐÕ Ãû Ö¸ µ¼ ½Ì ʦ Ö° ³Æ Íê ³É Ê± ¼ä
»úеÓëµç×Ó¹¤³ÌѧԺ µç×ÓÐÅÏ¢¹¤³Ì
¶À ´´ ÐÔ Éù Ã÷
±¾ÈËÖ£ÖØÉùÃ÷£ºËù³Ê½»µÄ±ÏÒµÂÛÎÄ£¨Éè¼Æ£©ÊDZ¾ÈËÔÚÖ¸µ¼ÀÏʦָµ¼ÏÂÈ¡µÃµÄÑо¿³É¹û¡£³ýÁËÎÄÖÐÌØ±ð¼ÓÒÔ×¢ÊͺÍÖÂлµÄµØ·½Í⣬ÂÛÎÄ£¨Éè¼Æ£©Öв»°üº¬ÆäËûÈËÒѾ·¢±í»ò׫дµÄÑо¿³É¹û¡£Óë±¾Ñо¿³É¹ûÏà¹ØµÄËùÓÐÈËËù×ö³öµÄÈκι±Ï×¾ùÒÑÔÚÂÛÎÄ£¨Éè¼Æ£©ÖÐ×÷ÁËÃ÷È·µÄ˵Ã÷²¢±íʾÁËлÒâ¡£
Ç©Ãû£º
Äê ÔÂ ÈÕ
ÊÚȨÉùÃ÷
±¾ÈËÍêÈ«Àí½âºØÖÝѧԺÓйر£Áô¡¢Ê¹Óñ¾¿ÆÉú±ÏÒµÂÛÎÄ£¨Éè¼Æ£©µÄ¹æ¶¨£¬¼´£ºÑ§ÔºÓÐȨ±£Áô²¢Ïò¹ú¼ÒÓйز¿ÃÅ»ò»ú¹¹Ëͽ»±ÏÒµÂÛÎÄ£¨Éè¼Æ£©µÄ¸´Ó¡¼þºÍ´ÅÅÌ£¬ÔÊÐí±ÏÒµÂÛÎÄ£¨Éè¼Æ£©±»²éÔĺͽèÔÄ¡£±¾ÈËÊÚȨºØÖÝѧԺ¿ÉÒÔ½«±ÏÒµÂÛÎÄ£¨Éè¼Æ£©µÄÈ«²¿»ò²¿·ÖÄÚÈݱàÈëÓйØÊý¾Ý¿â½øÐмìË÷£¬¿ÉÒÔ²ÉÓÃÓ°Ó¡¡¢ËõÓ¡»òɨÃèµÈ¸´ÖÆÊֶα£´æ¡¢»ã±àÂÛÎÄ£¨Éè¼Æ£©¡£
±¾ÈËÂÛÎÄ£¨Éè¼Æ£©ÖÐÓÐÔ´´ÐÔÊý¾ÝÐèÒª±£ÃܵIJ¿·ÖΪ£ºÎÞ¡£
Ç© Ãû£º
Äê ÔÂ ÈÕ
Ö¸µ¼½ÌʦǩÃû£º
Äê ÔÂ ÈÕ
Ŀ ¼
Õª Òª ............................................................ 1 Òý ÑÔ ............................................................ 2 1 ·½°¸Éè¼Æ ........................................................ 3
1.1Ö÷ÒªÄÚÈÝ ................................................... 3 2 ϵͳӲ¼þÉè¼Æ .................................................... 3
2.1 ÕûÌåÉè¼ÆË¼Â· ............................................... 3 2.2 Ó²¼þÆ÷¼þµÄÑ¡Ôñ ............................................. 4 2.3 Ó²¼þϵͳ¿òͼ ............................................... 5 2.4 Ó²¼þÄ£¿é»¯ÔÀíͼÉè¼Æ ....................................... 6 2.5 Ó²¼þPCBÉè¼Æ .............................................. 13 2.6 ±¾ÕÂС½á .................................................. 13 3 ϵͳÈí¼þµÄÉè¼Æ ................................................. 13
3.1 Éè¼ÆË¼Â· .................................................. 13 3.2 Èí¼þÄ£¿é»¯Éè¼Æ ............................................ 13 3.3 ϵͳÕûºÏ .................................................. 21 3.4 ±¾ÕÂС½á .................................................. 22 4 ϵͳµ÷ÊÔ ....................................................... 22
4.1 ¶ÀÁ¢µ÷ÊÔ .................................................. 22 4.2 Ó²¼þµ÷ÊÔÎÊÌâ .............................................. 22 4.3 Èí¼þµ÷ÊÔÎÊÌâ .............................................. 23 4.4 ±¾ÕÂС½á .................................................. 24 5 ÖÕ½áÓëÕ¹Íû ..................................................... 24 ²Î¿¼ÎÄÏ× ......................................................... 25 ¸½ ¼ ............................................................ 26 Abstract ......................................................... 27 Ö л ........................................................... 28
ºØÖÝѧԺ±¾¿Æ±ÏÒµÂÛÎÄ£¨Éè¼Æ£©
»ùÓÚSTM32µÄMP3ÒôƵ²¥·ÅÆ÷µÄÉè¼Æ
×÷ Õß Ö¸µ¼½Ìʦ
Õª Òª: ±¾±ÏÒµ²ß»ÊÇÒ»¿î»ùÓÚSTM32µÄÒôƵMP3²¥·ÅÆ÷´´×÷,¹¦Äܰüº¬£ºÒôƵ²¥·Å£¬µç×ÓͼÊ飬ͼƬä¯ÀÀ£¬»°å£¬Â¼Ïñ£¬Â¼Òô»ú£¬ÈÕÀú£¬ÓÎÏ·£¬ÊÕÒô»ú£¬¼Çʱ¾£¬¼ÆËãÆ÷µÈ¡£Õû¸öϵͳ×é³ÉÖ÷ÒªÓÉÒôƵ½âÂ벿·Ö¡¢ÊÕÒô»ú²¿·Ö¡¢ÒôЧ´¦Àí²¿·Ö¡¢SD¿¨²¿·Ö¡¢¹¦ÂÊ·Å´ó¡¢µçÔ´²¿·Ö¡¢ÈË»ú½»»¥µÈ¼¸¸ö²¿·Ö×é³É£¬Õû¸öϵͳÓÉÒ»¿éMCU£¨STM32F103RBt6£©¿ØÖÆÔËÐУ¬¸÷¸ö¾Ö²¿Ðµ÷ÔË×÷¡£
¹Ø¼ü´Ê: STM32£»MP3ÒôƵ²¥·Å£»
1