File list (Check if you may need any files):
STM32F407 - HelixDecodeMP3
..........................\CMSIS
..........................\.....\arm_common_tables.h
..........................\.....\arm_const_structs.h
..........................\.....\arm_cortexM4lf_math.lib
..........................\.....\arm_math.h
..........................\.....\core_cm4.h
..........................\.....\core_cm4_simd.h
..........................\.....\core_cmFunc.h
..........................\.....\core_cmInstr.h
..........................\HARDWARE
..........................\........\SD
..........................\........\..\MMC_SD.C
..........................\........\..\mmc_sd.h
..........................\........\cs43l22
..........................\........\.......\cs43l22.c
..........................\........\.......\cs43l22.h
..........................\........\i2c
..........................\........\...\i2c.c
..........................\........\...\i2c.h
..........................\........\key
..........................\........\...\key.c
..........................\........\...\key.h
..........................\........\lcd
..........................\........\...\FONT.H
..........................\........\...\lcd.c
..........................\........\...\lcd.h
..........................\........\led
..........................\........\...\led.c
..........................\........\...\led.h
..........................\........\nokia5110
..........................\........\.........\nokia5110.c
..........................\........\.........\nokia5110.h
..........................\........\.........\nokia5110_char_6x8_pixel.h
..........................\........\spi
..........................\........\...\spi.c
..........................\........\...\spi.h
..........................\Helix
..........................\.....\inc
..........................\.....\...\assembly.h
..........................\.....\...\coder.h
..........................\.....\...\mp3.h
..........................\.....\...\mp3common.h
..........................\.....\...\mp3dec.h
..........................\.....\...\mpadecobjfixpt.h
..........................\.....\...\statname.h
..........................\.....\scr
..........................\.....\...\arm
..........................\.....\...\...\asmmisc.S
..........................\.....\...\...\asmpoly_thumb2.S
..........................\.....\...\bitstream.c
..........................\.....\...\buffers.c
..........................\.....\...\dct32.c
..........................\.....\...\dequant.c
..........................\.....\...\dqchan.c
..........................\.....\...\huffman.c
..........................\.....\...\hufftabs.c
..........................\.....\...\imdct.c
..........................\.....\...\mp3_play.c
..........................\.....\...\mp3dec.c
..........................\.....\...\mp3tabs.c
..........................\.....\...\polyphase.c
..........................\.....\...\scalfact.c
..........................\.....\...\stproc.c
..........................\.....\...\subband.c
..........................\.....\...\trigtabs.c
..........................\Music_Player
..........................\............\aduioplayer.c
..........................\............\aduioplayer.h
..........................\............\wavfile.c
..........................\............\wavfile.h
..........................\OUTPUT
..........................\......\ExtDll.iex
..........................\......\F4xx.axf
..........................\......\F4xx.hex
..........................\......\F4xx.htm
..........................\......\F4xx.lnp
..........................\......\F4xx.map
..........................\......\F4xx.plg
..........................\......\F4xx.sct
..........................\......\F4xx.tra
..........................\......\aduioplayer.crf
..........................\......\aduioplayer.d
..........................\......\aduioplayer.o
..........................\......\asmmisc._ia
..........................\......\asmmisc.d
..........................\......\asmmisc.lst
..........................\......\asmmisc.o
..........................\.....