sd卡＋VS1003模块＋M16组成的mp3

VS1003模块使用www.icdev.com.cn的，sd卡直接连接，M16使用内部RC8M。

硬件连接参照board.h，PORTB：PB0连接sd卡cs脚，PB1连接VS1003复位脚，PB2连接VS1003命令片选脚，PB5PB6PB7组成SPI接口复用连接sd卡和VS1003；PORTA：PA0连接VS1003的DREQ脚，PA1连接sd卡插入检测脚，PA2连接VS1003数据片选脚。

-Hardware to connect the light board.h, PORTB: PB0 connect sd card cs feet, PB1 connect VS1003 reset pin, PB2 connect VS1003 command chip select pin, PB5PB6PB7 component reuse SPI interface to connect sd card and VS1003　PORTA: PA0 connect VS1003 the DREQ feet, PA1 connecting sd card insertion detect pin, PA2 data connection VS1003 chip select pin.