Data Sheet

Shenzhen Waytronic Electronics Co., Ltd. WT2003S-16S Chip

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Query the file track number currently playing

C9 XXXX

Query current external device connection status

CA XX

Query the song name currently playing

CB XX (8 bytes)

2.3.4.Write operation command

2.3.4.1. Return code format

Note: After executing each write command, return the corresponding one-byte operation code.

Return code: : 00 means OK, command execution;

: 01 means FAIL, command error, no execution;

: 02 means EMP, no such file;

If FLASH does not exist, or FLASH data abnormal, it will return ‘05’.

2.3.4.2. Specify SPI file index play (A0)

This command can make specified operation for SPI Flash file. Files sort is according to the index order

Start code

Length

Command

High order of track

Low order of track

Check code

End code

Note: If the specified track does not exist, it will not influence the current play.

File index sequence is according to the file copy sequence of copying into SPI.

2.3.4.3. Specify SPI root directory file name play (A1)

This command can make specified operation of file name play in SPI root directory(file name 8

characters at most).

Start

code

Length

Command

File name (high-low)

Check code

End code

54‘T’

30 (‘0’)

32 (‘2’)

Operation code