Rs232 commands and protocol – Alpeg MP615/MP107 User Manual

Page 32

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Rev 1.1

Page 31

RS232 Commands and protocol:

Protocol: 9600,n,8,1.

Each instruction must be ended with a carriage return. (Odh). You will receive an Echo back.

After each command sent by RS232, in return, the player sends the following channel status :

* equals “space”

STAT*n*/clips/filename.mpg*n*n



All the RS 232 commands must be preceded by the following string of characters:



ID0CDE:

Commands :


KEYnn

to read an introduction line,

PAU

to pause the player,

SEQnn

to read a specific script,

Examples :

IDnCDE:KEYyy

Player IDn, is calling line n° yy

ID0CDE:KEY01

Call line numbered 1 by the Key command on player n°0 (master); this line can

control a change in the PAL or NTSC colour format, a change of the video output

1

, a

« goto » « wait x » command, or simply control the reading of a video file.



ID0CDE:MPG/clips/
filename.mpg

(on player IDn, reads the video sequence specified)

ID0CDE:MPG/clips/drop.mpg

on master player, reads the drop.mpg sequence





ID0CDE:SEQxx

On master player, reads the SCxx script

ID0CDE:SEQ00

On master player, read the SC00 script

A “SCnn” script corresponding to a specific script must be present in the player concerned.

1

See after

RS 232 port number of the player to which this command is dedicated

Function where :
0=Playing
1=Paused
2=Stopped

Colour Sys.
where :
0=NTSC
1=PAL
2=PAL 60 Hz
3= PAL M

Video outputs used :
0=Composite & S-Video
1= YUV
2=RGsB
3=SVGA

This is a ZERO, which corresponds to the RS232 port address of the player concerned, the
appearance of a ZERO means master player if the RS232 is connected. Check that the name of
the file is ACTUALLY present in the specified player.

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