Clipsal C-Bus User's Guide download pdf (Page 19)

cbus Documentation, Release 0.1-dev

<cbd_version version="Kona_1.24.0" />

<net_status cni_transparent="0" cni="1" cftp="1" cbus="1" ntp="0" />

<cbus_event app="0xdf" name="cbusTimeChanged" time="120103102012.43" dst="0" ntp="0" />

4.2.4 Project and Skin

It also returns a <Touchscreen> XML which is a form of the project ﬁle, and a <skin> XML which contains

localised strings and resource image references.

This can also be downloaded from /clipsal/resources/project.xml and

/clipsal/resources/skin_definition.xml, so you can just establish a connection without requesting

these ﬁles over the XMLSocket. Potentially this could be more reliable.

The project ﬁle contains all of the programming in use on the Wiser, button assignments and schedules. It can also

contain additional metadata about the installation, if the installer has ﬁlled this in.

4.2.5 XMLSocket protocol for dummies

Adobe’s documentation describes the XMLSocket protocol as sending XML documents in either direction on the TCP

socket, terminated by a null character.

It is like a simple version of WebSockets – client and server may send data at any time, there is no synchronous

response mechanism, and very easy to implement.

The XML documents sent do not require the typical XML stanzas at the start of the ﬁle specifying encoding, and may

also contain multiple top-level (document) elements.

There are third-party client and server libraries available for this protocol.

4.3 Getting a shell

There is console access available via a web interface on the Wiser, using /console.asp. It appears to be taken

from some Belkin or Linksys reference ﬁrmware image?

Redirection of output to a ﬁle using > doesn’t work correctly in the shell. Regular pipes (|) do work.

Only stdout is displayed, not stderr.

4.3.1 NVRAM

You can dump the NVRAM:

$ nvram show

...

wan_proto=dhcp

wan_ipaddr=0.0.0.0

wan_netmask=0.0.0.0

wan_gateway=0.0.0.0

wan_winsserv=

...

4.3. Getting a shell 15

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Clipsal C-Bus User's Guide Page 19