BARIX Streaming Client Guía de instalación descargar pdf (Pagina 49)

in the following four steps:

• control commands are executed and config values are stored in the configuration

memory

• the firmware is updated if the value of the keyword FW_URL is pointing to a

valid firmware file (compound.bin) and the value of the keyword FW_VERSION

differs (smaller or bigger) from the currently running firmware version

• the version of the executed “Configuration Meta File” is stored in the EEPROM

field “Remote Update File Version”

• device restarts if necessary (configuration has been altered, firmware has been

changed or the c=99 command has been issued)

IMPORTANT: If the firmware update fails the version of the executed

“Configuration Meta File” is not stored. As a consequence the

For a detailed specification of the configuration meta file grammar see section

Configuration Meta File Grammar further below.

Update file request

The update meta file is requested via HTTP from the configured URL. The following

device information is sent in the HTTP header to the server:

Parameter Description

MAC MAC address of the device in format “aa:aa:aa:aa:aa:aa”.

All letters are small, individual octets are separated with colon.

mem-size Device's flash memory size in kB, followed by the two letters “kB”

hw-type Device hardware type code in decimal

ipam-type Device IPAM type code in decimal

Example:

Example of HTTP headers sent in remote update file request

Pragma: MAC=00:08:e1:00:01:02

Pragma: mem-size=1024kB

Pragma: hw-type=14

Pragma: ipam-type=0

File “update.ini”

The file update.ini is a text file containing lines with the following syntax:

<descriptor>,<address>[,<size>]

Where:

• <descriptor> is a textual descriptor of a configuration value

• <address> is a dynamic name of a configuration value (see chapter for

details).

For passwords, use Px and Px.1 (see chapter 4.4 Configuration via HTML Pages )

• <size> is an optional parameter used only for strings. It defines the length of the

string in the setup memory.

IMPORTANT: The terminating end-of-line in the file is mandatory for proper

function of the remote update.

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BARIX Streaming Client Guía de instalación Pagina 49