Transmission Protocol - Monitoring - ID-AL ChronoPlayer User Manual

ID-AL ChronoPlayer - User Guide V1.0
Example of the complete frame: 81h 03h 0Eh.
Value (hexadecimal)
81
03
0E

10.2 Transmission Protocol - Monitoring

The ChronoPlayer can send several kinds of data onto the RS-232 port.
Custom data sent by the [RSxxx] tags (see the chapter Control of the ChronoPlayer with the Folders
•
and the Files).
Command data of the player sent in "Daisy Chain" mode.
•
Status data of the player sent in the "Monitoring" and "Advanced Monitoring" modes.
•
To define the kind of data sent through RS-232, 4 monitoring modes exist.
The monitoring mode is defined in the configuration file config.txt (see the chapter Configuration File).
The "Daisy Chain", "Monitoring" and "Advanced Monitoring" modes operate besides the [RSxxx] tags.
Mode 0: No monitoring
•
Only the data from the [RSxxx] tags is sent onto the Tx output.
Mode 1: "Daisy Chain"
•
In this mode, any information received on the Rx line is resent out as received onto the line Tx. This
mode allows to chain up several players one after another. By connecting the Tx output of the first
player to the Rx input of the second player and so on, the information received by the first player on
its Rx input is resent to the others players in a chain.
Caution! If numerous players are connected in this way, a slight delay can exist at the end of the
chain.
Example of a frame setting the volume at 14 for the player 001
Value (binary)
10000001
00000011
00001110
Status byte, player number 001.
Volume control command.
Volume set at 14.
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Description
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