Atmel AT83SND2C MP3 - Manual (Page 25)

Communication Protocol
AT83SND2CMP3 User Guide 3-21
7525A–MP3–07/05
Example 2 Figure 3-7 . Example: Transfer a File From Player to Remote Controller
The FS_READ_BLOCK read the file until the end of the sector size in memory. To know
the total file size, the Remote Controller shall send the FS_GETFILE_SIZE command.
C o n tro lle r P la ye r
T ra n s fe rin g A F ile
F ro m P la ye r to
R e m o te C o n tro lle r
F S _ G E T N A M E
F S _ N A M E (F ile N a m e )
F S _ F R E A D _B LO C K
F S _ F R E A D _ B L O C K
_ D A T A (B lo c k )
P la y e r re a d a n d s e n d
th e firs t b lo c k o f d a ta .
F S _ F R E A D _B LO C K
F S _ F R E A D _ B L O C K
_ D A T A _ E N D (N o D
a ta )
E n d o f file re a c h e d .
F ile is c lo s e d . N o
n e e d to s e n d th e
F S _ F C L O S E fra m e .