BARIX Streaming Client Installation Guide download pdf (Page 19)

3.4 TCP command interface

● The TCP command interface can be enabled via the WEB UI, by default is off

● commands are sent to a configured TCP port, only one client can be

connected at a time

● the connection stays open until the client closes it or is closed by the Barix

unit after configurable period of inactivity (timeout in seconds)

● A command sequence is terminated by one of the following characters: 0x0A

(ASCII LF), 0x0D (ASCII CR) or 0x00 (binary end of string)

• If password is set on the unit the command execution is password protected.

A valid password must be sent within each command sequence using “a=”

command, e.g.: a=password&v=10<LF>

● Unless “L=” is a part of the command string an answer “OK\r\n” (ASCII 0x4F,

0x4B, 0x0D, 0x0A) is returned in case of success or “ERROR\r\n” (ASCII 0x45,

0x52, 0x52, 0x4F, 0x52, 0x0D, 0x0A) in case of an error (including password

mismatch)

3.5 UDP command interface

● The UDP command interface can be enabled via the WEB UI, by default is off

● commands are sent to a configured UDP port

● commands are processed in sequences, there is one command sequence

per UDP packet, maximum length of a command sequence is 512 bytes

● command sequence is either non-terminated or can be terminated by one of

the following characters: 0x0A (ASCII LF), 0x0D (ASCII CR) or 0x00 (binary

end of string)

● command response is sent in one UDP packet to the originating IP address

and port; the source port is the UDP command port

• If password is set on the unit the command execution is password protected.

A valid password must be sent within each command sequence using “a=”

command, e.g.: a=password&v=10<LF>

● Unless “L=” is a part of the command string an answer “OK\r\n” (ASCII 0x4F,

0x4B, 0x0D, 0x0A) is returned in case of success or “ERROR\r\n” (ASCII 0x45,

0x52, 0x52, 0x4F, 0x52, 0x0D, 0x0A) in case of an error (including password

mismatch)

● command response is truncated to 512 bytes

3.6 List of commands

Element Description CGI

command

PLAY Restarts current stream c=1

NEXTSONG If current source is playlist, next song starts playing. c=4

PREVSONG If current source is playlist, previous song starts

playing.

c=5

SHUFFLEON Shuffle on. c=6

SHUFFLEOFF Shuffle off. c=7

MUTE Toggle volume mute. c=8

CHANNELINC Increment channel number (see chapter 7 IR control

interface).

c=15

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BARIX Streaming Client Installation Guide Page 19

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