51系列mp3源代码

mp3.h #define UINT8 unsigned char #define UINT16 unsigned short #define UINT32 unsigned long #define UINT8X unsigned char xdata #define UINT8VX unsigned char volatile xdata UINT8VX CH375_CMD_PORT _at_ 0x9FF1; /* CH375命令端口的I/O地址 */ UINT8VX CH375_DAT_PORT _at_ 0x9FF0;