4d Systems SOMO 14D SOMO-14D SOMO-14D Datenbogen
Produktcode
SOMO-14D
4D SYSTEMS SOMO-14D
© 2012 4D SYSTEMS Page 7 of 11 www.4dsystems.com.au
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COMMAND CODE FUNCTION
DESCRIPTION
0000h – 01FFh
AUDIO FILE ADDRESS
Selects one of the pre-stored audio/sound/voice files in the
micro-SD memory card (up to 512 files max).
micro-SD memory card (up to 512 files max).
FFF0h – FFF7h
VOLUME
Volume adjustment codes. Total of 8 levels. FFF0h is the
minimum and FFF7 is the maximum (also the default) volume
level. The volume can be adjusted during play or standby state.
minimum and FFF7 is the maximum (also the default) volume
level. The volume can be adjusted during play or standby state.
FFFEh
PLAY/PAUSE
Plays or Pauses the current audio file.
FFFFh
STOP
Stops playing the current audio file and puts the module in the
low power idle mode.
low power idle mode.
Table 1: Command Code Description
COMMAND CODE FILE ADDRESS
FILE NAME
0000h (0000dec)
File Address 1
“0000.ad4”
0001h (0001dec)
File Address 2
“0001.ad4”
0002h (0002dec)
File Address 3
“0002.ad4”
..
..
..
01FFh (0511dec)
File Address 512
“0511.ad4”
Note1: The file names stored in the micro-SD card must be the ASCII representation of the decimal command
code with .ad4 extension:
“0000.ad4”, “0001.ad4”, …, “0511.ad4”
code with .ad4 extension:
“0000.ad4”, “0001.ad4”, …, “0511.ad4”
Note2: It is recommended that the micro-SD card be reformatted when new audio files are stored.
Table 2: Audio File Addresses
KEY MODE
5.2.
The KEY-MODE provides a stand-alone operation
where a host micro is not required. With only 3
push buttons, a 3V battery and a speaker, an
extremely compact and low component count
audio system can be implemented as seen in
Figure 4 below.
where a host micro is not required. With only 3
push buttons, a 3V battery and a speaker, an
extremely compact and low component count
audio system can be implemented as seen in
Figure 4 below.
Figure 4: Stand Alone KEY-MODE
6. micro-SD Cards – FAT16 Format
The SOMO-14D uses off the shelf micro-SD
memory cards with up to 2GB capacity. Before the
memory card can be used it
must first be formatted with
FAT16
memory cards with up to 2GB capacity. Before the
memory card can be used it
must first be formatted with
FAT16
option.
The
formatting of the card can
be done on any PC system
with a card reader. Select
the appropriate drive and choose the FAT16 (or
just FAT in some systems) option when formatting.
The card is now ready to be used in the SOMO.
be done on any PC system
with a card reader. Select
the appropriate drive and choose the FAT16 (or
just FAT in some systems) option when formatting.
The card is now ready to be used in the SOMO.
NOTE: Certain brands of micro-SD memory cards
may not work properly. This is evident by some
files that maybe skipped and not played by the
SOMO.
may not work properly. This is evident by some
files that maybe skipped and not played by the
SOMO.