Data Sheet

Shenzhen Waytronic Electronics Co., Ltd. WT2003S-16S Chip
- 10 -
2.3.4.12. Specify whether need to return code after playing ends(BA)
Start code
Length
Command
Parameter
Check
code
End
code
7E
04
BA
00: no need to return information
(default)
BE
EF
01: need to return information
BF
This command will decide whether need to return information after finishing every audio playing,
to show the current song position. Return format: BA XX XX (return the index position, 2-byte data. If the
song is in the folder, the song will be returned to the index position in the folder).
2.3.4.13. Query the current volume setting(C1)
Start code
Length
Command
Check code
End code
7E
03
C1
C4
EF
Return format
Operation code
Return value
0XC1
Volume value (00-1F)
2.3.4.14. Query the current operation state(C2)
Start code
Length
Command
Check code
End code
7E
03
C2
C5
EF
Return format
Operation code
Return value
0XC2
01:play 02: stop 03:pause
2.3.4.15. Query the total number of music files in SPI Flash (C3)
Start code
Length
Command
Check code
End code
7E
03
C3
C6
EF