Dummy

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The DUMMY I/O Server is a virtual server that doesn’t actually connect to any external system, but simulates basic lighting and automation devices, and general purpose virtual data points.

Data points can also be remotely set or read using a simple HTTP API, based on the /x/httpcall interface.

HSYCO Configuration

Add a DUMMY I/O Server in the I/O Servers section of the Settings and set its parameters.

Note that the DUMMY I/O Server doesn't count in the I/O servers license total, so you don't need an extra I/O Server license to use DUMMY with HSYCO.


High Availability

  • Shutdown when inactive: defaults to false.

Options

ID Default Values Description
discovery true true automatically lists all virtual devices in the systemtopo.txt file
false auto-detect for devices is disabled
lights 10 0 ... 10000 number of on/off light devices to generate
dimmers 10 0 ... 10000 number of dimmer devices to generate
automations 10 0 ... 10000 number of automation devices to generate
httpcallpassword string of 8 or more uppercase or lowercase letters and digits enables the HTTP API
httpcalltimeoutseconds 0 >= 0 if > 0, the connection datapoint is set to "offline" if no httpcall request is received for more than the set value, and reset to "online" after a valid httpcall request.
Otherwise the connection datapoint is set to "online" when the I/O Server is started

The Device Configuration Database

The systemtopo.txt file contains the list of all virtual devices that should be directly associated to graphic objects in the Web-based user interface.

This file can be filled manually or automatically by HSYCO at start-up. To enable automatic discovery and automatic generation of devices’ information in the systemtopo.txt file, use the discovery option in Settings.

This is an example of an automatically generated systemtopo.txt file:

(devices)
dummy.autom.1 : AUTOM ; VSHUT ; DUMMY
dummy.autom.2 : AUTOM ; VSHUT ; DUMMY
dummy.autom.3 : AUTOM ; VSHUT ; DUMMY
dummy.autom.4 : AUTOM ; VSHUT ; DUMMY
dummy.autom.5 : AUTOM ; VSHUT ; DUMMY
dummy.dimmer.1 : LIGHT ; DIMMER ; DUMMY
dummy.dimmer.2 : LIGHT ; DIMMER ; DUMMY
dummy.dimmer.3 : LIGHT ; DIMMER ; DUMMY
dummy.dimmer.4 : LIGHT ; DIMMER ; DUMMY
dummy.dimmer.5 : LIGHT ; DIMMER ; DUMMY
dummy.light.1 : LIGHT ; LIGHT ; DUMMY
dummy.light.2 : LIGHT ; LIGHT ; DUMMY
dummy.light.3 : LIGHT ; LIGHT ; DUMMY
dummy.light.4 : LIGHT ; LIGHT ; DUMMY
dummy.light.5 : LIGHT ; LIGHT ; DUMMY

You should then manually add comments and other optional parameters:

(devices)
dummy.autom.1 : AUTOM ; VSHUT ; Dummy automation 1
dummy.autom.2 : AUTOM ; VSHUT ; Dummy automation 2

Datapoints

ID Value R/W Description
connection online R I/O Server ready, or httpcall received within the httpcalltimeoutseconds timeout
offline R httpcall not received within the httpcalltimeoutseconds timeout
light.<n> 0 R light <n> is off
W switch off light <n>
off W
1 R light <n> is on
W switch on light <n>
on W
dimmer.<n> 0 R dimmer <n> is off
W switch off dimmer <n>
off W
1 W switch on dimmer <n>
on W
1% ... 100% R the light level of dimmer <n> corresponds to the reported value
W set the light level of dimmer <n> to the specified value
autom.<n> offup R autom <n> is stopped in upper position

(set to this value 30 seconds after a 'up' command)

offdown R autom <n> is stopped in lower position

(set to this value 30 seconds after a 'down' command)

stop W stop autom <n>
off
0
up R autom <n> is moving upwards (opening)
W move autom <n> upwards
down R autom <n> is moving downwards (closing)
W move autom <n> downwards
<name> <value> R generic data point <name> has value <value>
W set value of generic data point <name> to <value>

Virtual automation devices automatically go to the offup or offdown state 30 seconds after the up or down command.

Note Note that generic data point names must not start with "light", "autom" or "dimmer".

User Interface

All the devices that have been added in systemtopo.txt (automatically or manually) are listed in the Project Editor and can be directly associated to button and dimmer objects.

For example, adding a slider for a dimmer requires just a few clicks and no additional EVENTS logic.

IO Servers Dummy Project Editor.png

HTTP API

The HTTP API, when enabled, allows remote applications to read or set data points of the Dummy I/O Server using a simple HTTP/HTTPS API. This API is enabled setting the "httpcallpassword" option.

The password must be at least 8 characters long. Use a very long and randomly generated string to reduce the risk of unauthorized access.


The HSYCO HTTP server will process GET requests with the following path:

/x/httpcall/<dummy server id>/<httpcallpassword>?<query>

where <query> is one or more data point names separated by the "&" character. A data point name followed by the "=" character and a string sets the data point value, while a data point name not followed by the "=" character will return that data point value, if present, in the HTTP text response.

For example, the following HTTP GET request:

/x/httpcall/dummy/dlskd9sd9dk9s?datapoint1=value1&datapoint2=value2&datapoint3&datapoint4

will set data point "dummy.datapoint1" to "value1", "dummy.datapoint2" to "value2" and, assuming that "dummy.datapoint3" and "dummy.datapoint4" exist, return:

datapoint3=value3
datapoint4=value4

Data point names and values must be URL encoded in the query string, and will be returned URL encoded in the response text.

Release Notes

3.7.0

  • new HTTP API: data points can now be set and read remotely with the /x/httpcall HTTP API

3.6.0

  • added support for generic read/write data points

3.0.0

  • initial release