Datasheet

4D SYSTEMS SOMO-II
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SOMO-II Embedded Audio-Sound Module
SINGLE PLAY
7E 19 00 00 01 FF E6 EF
This will disable CONTINUOUS, RANDOM TRACK or REPEAT
CURRENT modes if previously enabled, which is how the module
starts up by default. This will allow one song to play and then stop.
Start track with PLAY.
QUERY
VOLUME
7E 43 00 00 00 FF BD EF
Query the current volume
QUERY EQ
7E 44 00 00 00 FF BC EF
Query the current EQ Setting
(0/1/2/3/4/5 Normal, Pop, Rock, Jazz, Classic, Bass)
QUERY
TRACKS USB
7E 47 00 00 00 FF B9 EF
Query the number of files present on the USB Flash Drive
QUERY
TRACKS uSD
7E 48 00 00 00 FF B8 EF
Query the number of files present on the
QUERY
CURRENT
TRACK USB
7E 4B 00 00 00 FF B5 EF
Query the current track playing from the USB Flash Drive
QUERY
CURRENT
TRACK uSD
7E 4C 00 00 00 FF B4 EF
Query the current track playing from the micro-SD Card
QUERY
TRACKS
FOLDER
7E 4E 00 00 01 FF B1 EF
7E 4E 00 00 0B FF A7 EF
This will return the number of tracks in Folder 1 (001)
This will return the number of tracks in Folder 11 (011)
Successful command received by SOMO-II (Feedback Byte needs to be ON):
If Feedback is required for successful receipt of a command, simply change the Feedback byte from 0x00 to
0x01, and a confirmation message will be sent from the SOMO-II after the command is sent and received.
Errors received from the SOMO-II:
If a command is sent to the SOMO-II and the SOMO-II resulted in an error from that command, the following
messages could be sent. These are sent on error regardless of if the feedback byte is enabled or disabled.
Other information received from SOMO-II:
These commands are sent from the SOMO-II when certain events occur, and could come at various times.
Feedback Received
Description
7E 41 00 00 00 FF BF EF
Command Successfully Received
ERRORS Received
Description
7E 40 00 00 01 FF BF EF
Module is busy
7E 40 00 00 02 FF BE EF
Module is currently in sleep mode
7E 40 00 00 03 FF BD EF
Serial received an error
7E 40 00 00 04 FF BC EF
Checksum error
7E 40 00 00 05 FF BB EF
Beyond scope of specified file/folder
7E 40 00 00 06 FF BA EF
Specified file/Folder not found
DATA Received
Description
7E 3A 00 00 01 FF C5 EF
USB Flash Drive Inserted. Sent every time a USD Flash drive is plugged in.
7E 3A 00 00 02 FF C4 EF
micro-SD Card Inserted. Sent every time a micro-SD card is inserted.