file.h

在基于avr内核的单片机上实现MP3播放器的功能

//==================
FILE_HANDLE F_handle;
uint8 init_file_operate(void)
{ 
uint8 i,retry;
retry=5;
//==================
again:i=SD_Reset();
if(i!=0)  {_delay_ms(10);if(retry--) goto again;}

if(i!=0)  {return error;}
else       {ReadBPB();return ok;}
}