用单片机+DAC0832来解码wav音乐C51程序

本程序是从国外一个论坛下载的用51单片机+dac0832 播放wav音乐，音乐数据可以从串行输入，如果声音很小的话可以把数据接入功放的输入端.完整的程序源代码从这里下载http://www.51hei.com/f/waefd.rar下面是main文件：

/***************************************************************name         : main.cdesctiption  : mp3 main file for testing serial portauthor       : coolfireupdate       : 6/17/07/***************************************************************/#include #include "compiler.h"#include "initinit.h"#include "bufferuffer.h"#include "serialserial.h"extern Uint32 wav_len_w;extern Uint32 wav_len_r;mode_t mode=download;void main(){init();loop:   switch(mode){case idle:while(mode==idle);break;case download:while(mode==download){if(!wav_len_w)write_buffer(serial);read_buffer(flash);}break;case play:while(mode==play){if(!wav_len_r)write_buffer(flash);read_buffer(dac);}break;}goto loop;}