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Notice: This page contains information for the legacy Phidget21 Library. Phidget21 is out of support. Bugfixes may be considered on a case by case basis. Phidget21 does not support VINT Phidgets, or new USB Phidgets released after 2020. We maintain a selection of legacy devices for sale that are supported in Phidget21. We recommend that new projects be developed against the Phidget22 Library.
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Phidget WebService: Difference between revisions
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== | ==Webservice on the Phidget Single Board Computer== | ||
The Phidget Single Board Computer (SBC) can provide a compact, inexpensive way to easily run the Webservice. It runs the Webservice in the background automatically from the moment you turn it on, and allows you to read from and control all Phidgets attached to it: | The Phidget Single Board Computer (SBC) can provide a compact, inexpensive way to easily run the Webservice. It runs the Webservice in the background automatically from the moment you turn it on, and allows you to read from and control all Phidgets attached to it: | ||
[[Image:webservice_general_sbctopc.png|500px|link=|alt=]] | [[Image:webservice_general_sbctopc.png|500px|link=|alt=]] | ||
This can allow for a compact, mobile-based system like this: | |||
[[Image:webservice_general_sbctoandroid.png|500px|link=|alt=]] | |||
The SBC runs Linux, which provides a [[OS - Phidget SBC|full operating system]] on which to develop code, [[Web Page on the SBC|serve web pages]], and [[Use Phidgets Wirelessly with the SBC|control Phidgets]]. | |||
==Using The Webservice== | ==Using The Webservice== | ||
Revision as of 19:52, 27 March 2012
General Overview
The Phidget Web Service is a background process that broadcasts all events and data from a USB Phidget over the network:
It uses local link addressing which allows you to use simple server names in your code. The local link addressing is provided by the programs Bonjour, avahi, or mDNSResponder, depending on your system, and the correct program is either installed already or with the Phidget libraries.
You can listen to the Phidget data and control the Phidgets over the network using one or more computers:
Since Phidgets supports many operating systems, the listening and controlling computer doesn't have to be a computer.... it could be an Android phone or an iOS iPhone/iPad:
Webservice on the Phidget Single Board Computer
The Phidget Single Board Computer (SBC) can provide a compact, inexpensive way to easily run the Webservice. It runs the Webservice in the background automatically from the moment you turn it on, and allows you to read from and control all Phidgets attached to it:
This can allow for a compact, mobile-based system like this:
The SBC runs Linux, which provides a full operating system on which to develop code, serve web pages, and control Phidgets.
Using The Webservice
Each Operating System page has a section on how to use the webservice on that operating system:
The operating systems pages have complete examples on how to set up a running webservice host process and remote program on that operating system. The pages also tell you how to start and stop the Webservice on your computer, and how to run it with or without mDNS (Bonjour, avahi, etc).
We also have a couple of code snippets in C and Java on the General Phidget Programming page to show examples of opening a Phidget remotely.
