利用ALIENTEK MiniSTM32开发板和ATK-VS1053 MP3模块，实现一个简单的MP3播放器功能.支持上下曲切换和暂停等功能.KEY0,下一首 KEY1,上一首.WK_UP暂停.-Using ALIENTEK MiniSTM32 development board and ATK-VS1053 MP3 module, to achieve a simple MP3 player function. Support up and down music and pause and o