Atmel AT83SND2C MP3 User Manual
Page 14
Communication Protocol
3-10
AT83SND2CMP3 User Guide
7525A–MP3–07/05
Table 3-2 . Player Command
Table 3-3 . File System Command
SYSTEM_PLAYER_MODE
0Dh
1 Byte
Set Player mode on selected memory:
•
Repeat / No Repeat
•
Play Single
•
Play Dir
•
Play Disk
•
Explorer Mode (see all file type for file transfer)
SYSTEM_AUDIO_INPUT
0Eh
1 Byte
Enable Player Audio Input
•
None - disable selected input
•
Mono Input
•
Stereo Input
SYSTEM_ENTER_HID_MODE
0Fh
No
Ask the Player to enter the HID mode: bridge USB - UART.
Protocol Command
Command
Data
Description
Protocol Command
Command
Data
Description
PLAYER_PLAY
50h
No
If current file name is a MP3 file, play or resume pause selected
MP3 file from Selected Memory.
If current file name is a directory, enter this directory and select
the first MP3. A new Play command is needed to play this new
MP3 file.
PLAYER_STOP
51h
No
Stop playing current MP3 file
PLAYER_PAUSE
52h
No
Pause current MP3 file
PLAYER_NEXT
53h
No
Select Next MP3file on Selected Memory
PLAYER_PREVIOUS
54h
No
Select Previous MP3 file on Selected Memory
PLAYER_SETMARKERA
55h
No
Set A marker for repeat AB feature
PLAYER_SETMARKERB
56h
No
Set B marker for repeat AB feature
PLAYER_STOPAB
57h
No
Stop AB repeat mode
PLAYER_GET_TIME
58h
No
Get Playing time since beginning of the file.
PLAYER_GETINDEXNUMBER
59h
No
Get Number of file in current directory or root directory.
PLAYER_ENTER_ROOT_DIR
5Ah
No
Select the first MP3 files available in root directory.
PLAYER_SET_FILTER
5Bh
No
Set filter to have no directory seen.
PLAYER_GET_FILE_LIST
5Ch
No
Get file names list in current directory or root directory.
PLAYER_PLAY_INDEX
5Dh
Yes
Play file selected by index.
Protocol Command
Command
Data
Description
FS_NEXT
60h
No
Select next file from delected memory
FS_PREVIOUS
61h
No
Select previous file from selected memory
FS_ENTER_DIR
62h
No
Enter selected directory
FS_EXIT_DIR
63h
No
Exit current directory
FS_GET_NAME
64h
No
Get name of selected file or directory on selected memory
FS_FORMAT
65h
No
Format in FAT16 on selected memory