【正文】 ..23 硬件電路設(shè)計 .......................................................................................................................................4 電源模塊 .................................................................................................................................................4 微控制器模塊 .......................................................................................................................................5 SD 卡模塊 ................................................................................................................................................6 音頻解碼模塊 .......................................................................................................................................7 音頻放大模塊 .......................................................................................................................................8 彩晶顯示模塊 .......................................................................................................................................9 復(fù)位模塊 ...............................................................................................................................................104 FAT 文件系統(tǒng) .......................................................................................................................................10 FAT 文件系統(tǒng)簡介 .............................................................................................................................10 FAT 文件系統(tǒng)的讀取操作 ...............................................................................................................125 系統(tǒng)軟件設(shè)計 .....................................................................................................................................15 STM32 程序調(diào)試 ..................................................................................................................................15 STM32 啟動簡析 ........................................................................................................................15 STM32 程序測試 ........................................................................................................................17 STM32 時鐘系統(tǒng) ........................................................................................................................19 TFT 顯示驅(qū)動 ......................................................................................................................................21 SD 卡讀取驅(qū)動 ....................................................................................................................................23 SD 卡總線拓?fù)?...........................................................................................................................23 寄存器與協(xié)議 ............................................................................................................................23 驅(qū)動流程圖 .................................................................................................................................26 VS1003 驅(qū)動設(shè)計 ...............................................................................................................................26 VS1003 總線拓?fù)?......................................................................................................................26目錄 VS1003 主要寄存器 .................................................................................................................28 VS1003 相關(guān)協(xié)議 ......................................................................................................................29 讀寫時序 .....................................................................................................................................29 驅(qū)動流程與框圖 .......................................................................................................................30 系統(tǒng)軟件流程圖 .................................................................................................................................316 實物與功能 ...........................................................................................................................................31 實物總圖 ...............................................................................................................................................32 利用電池供電 .....................................................................................................................................33 支持 WAV和 MP3 格式 ..........................................................................................................................33 支持 SD 卡存儲 ...................................................................................................................................34 可選擇播放 ..........................................................................................................................................34 可快進(jìn)快退 ..........................................................................................................................................357 自我總結(jié) ................................................................................................................................................36謝 辭 ..............................................................................................................................................................38參考文獻(xiàn) .........................................................................................................................................................39附 錄 一 ...................................................................................................................................................40附 錄 二 ...................................................................................................................................................46桂林電子科技大學(xué)畢業(yè)設(shè)計（論文）報告用紙 共 58 頁第 1頁引言在 INTERNET 廣泛普及的今天， MP3 音樂一起較小數(shù)據(jù)流量和近乎完美的播放效果已經(jīng)成為計算機(jī)和 INTERNET 上最流行的音樂格式了。 VS1003 decoder chip 。