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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.

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Template:ExamplePseudocode: Difference between revisions

From Phidgets Legacy Support
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The examples for each device all have this general structure so you can follow along.  We also have [[General Phidget Programming|an in-depth general introduction]] to writing Phidget code (like open, read data, etc), as well as the {{{3}}} for specific syntax:
The Hello World example has this general structure so you can follow along.  We also have [[General Phidget Programming|an in-depth general introduction]] to writing Phidget code (like open, read data, etc), as well as the {{{3}}} for specific syntax:


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Create General '''Attach''', '''Detach''', and '''Error''' Handling Functions:
Create General '''Attach''', '''Detach''', and '''Error''' Handling Functions:
:On attach: Initialize hardware (antennas, etc)
:On attach: Print Hello Message
:On detach: Reset any state variables
:On detach: Print Goodbye Message
 
Create Hardware-Specific Functions:
:Print messages to notify they are called
:Perform minor accompanying changes (turn on LED, etc)


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<span style="color:#090;">// ----- '''Main''' Code -----</span><br><br>
<span style="color:#090;">// ----- '''Main''' Code -----</span><br><br>
'''Create''' Device Software Object<br>
'''Create''' Manager Software Object<br>
Hook '''Event''' Functions created above to Device<br>
Hook '''Event''' Functions created above to Device<br>
'''Open''' Device<br>
'''Open''' Device<br>


;Loop waiting on events and user input
;Wait for Enter character input
:Get and Print various device statuses on request by input
:Handle on-going attach and detach events
:Handle on-going attach and detach events
:Exit upon specific user input
:Print Hello and Goodbye messages
:Exit upon input


'''Close''' Device
'''Close''' Device

Revision as of 14:07, 27 March 2012

The Hello World example has this general structure so you can follow along. We also have an in-depth general introduction to writing Phidget code (like open, read data, etc), as well as the {{{3}}} for specific syntax:

// ----- Event and Other Functions -----

Create any Language-Specific Functions (exception handling)

Create General Attach, Detach, and Error Handling Functions:

On attach: Print Hello Message
On detach: Print Goodbye Message

 

{{{1}}}

// ----- Main Code -----

Create Manager Software Object
Hook Event Functions created above to Device
Open Device

Wait for Enter character input
Handle on-going attach and detach events
Print Hello and Goodbye messages
Exit upon input

Close Device Delete Device

 

{{{2}}}