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6
Embedded Web Server
8. Ember+
Device information and configuration can also be viewed and modified
using Ember+.
EmberPlus Viewer can be downloaded from:
https://github.com/Lawo/ember-plus/releases
To add a device to the viewer click
Add
next to
Communication Ports
. In
the window that appears an IP address and port is required. Type in the IP
address of the unit and leave the port number as 9000.
A device tree appears under
Communication Ports
.
There are four main nodes:
• identity
• system
• network
• gpio
The
identity
node contains device information:
• product - This specifies the type of product being used.
• company - This specifies the manufacturer of the product.
• serial - This specifies the devices serial number.
• version - This specifies the devices current firmware version.
Within the
system
node is a reboot function, clicking
Invoke
will cause the
unit to be rebooted.
The
network
node contains the network configuration. After changing any
network settings via Ember+ the unit has to be rebooted to apply the
changes. The
network
node contains the options:
• friendly_name - The name given to the device by the user, click
Change
to change the name.
• eth0 - The devices control port.
– mode - Allows the user to select between
static
and
dynamic
addressing modes.
– ip_address - Allows the user to enter an IP address for
static
mode.
– netmask - Allows the user to enter a subnet mask for
static
mode.
– gateway - Allows the user to enter a gateway address for
static
mode.
– mac_address - This specifies the MAC address of the port.
The
gpio
node provides the same options found on the
GPIO Settings
web
page of the devices web server and allows connections to be configured.
Names of input events are found under the
triggers
node and can be
entered into an
output triggers
field. Names of output events are found
under the
handlers
node and can be entered into an
input functions
field.
Names of virtual GPIO sources are found under the
vgpio sources
node and
can be entered into the
vgpio source
field of a
vgpio
under the
virtual
node.
Fig 9-1: EmberPlus Viewer