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A basic MQTT client implementation.

[18 Replies]
- 27-Oct-2012 06:09 AM
- Forum: Library and Tool Development
Started work on creating a basic mqtt client lib for Processing.

Tested, working, on:
Windows 7 + processing 2.0b5

https://github.com/agoransson/mqtt4processing

Note though that while this does adhere too the MQTT v3.1 spec. as far as messages are concerned; currently all messages you publish are QoS 0 (lowest level) and all subscriptions are QoS 2 (highest lvl).

But it does work in sending messages back and forth to clients through a broker (which isn't included).

More information on MQTT can be found at http://mqtt.org/

There's a public broker available at http://test.mosquitto.org/, and if you want to install your own broker I recommend Mosquitto (available for all major OS) http://mosquitto.org/

Contributed Modes

[5 Replies]
- 17-Oct-2012 05:13 PM
- Forum: Library and Tool Development
I'm trying to figure out how to get PDE to find my contributed mode - however its not playing nice. I'm guessing I'm doing something wrong, does anyone have a short TODO list when building modes? I've not found a template yet (or any other information on the wiki)... but from browsing ModeContribution.java I've gathered the following hints on what needs to be done so that the PDE finds my modes.
1. It has to extend Mode (or any subclass thereof)
2. It has to be placed in the "modes" folder (which is automatically created by PDE)
3. It has to be placed in a folder, named after it's main class (the one subclassing "mode" I suppose?)
4. There has to be a "mode" folder within that folder.
I probably missed a dozen "rules" here, but hey, it's a start... anyone care to fill me in?

JSON library

[16 Replies]
- 16-Nov-2011 06:10 AM
- Forum: Library and Tool Development
Beacuse I couldn't find a good implementation of JSON for Processing I've forked the org.json Java library into a Processing lib. You can find it here: https://github.com/agoransson/JSON-processing.

The library is the same used in Android development, found at https://github.com/douglascrockford/JSON-java.

Android, getting PApplet context for library?

[0 Replies]
- 27-Apr-2011 02:20 AM
- Forum: Core Library Questions
Hey, I've been browsing the source for the new processing implementation and I can't for the life of me find a way to grab the application context from the PApplet. Does someone know a way to do that?

I need to pause the sketch launch until a certain task has finished, and I'd like to add a feedback to the user in the shape of some sort of progressbar... so I was thinking the built in one might be handy.

This is outside of the actual sketch (a library), so any generic tricks like getApplicationContext() are not available.

What about implementing some sort of generic handler in the PApplet class for tasks like this, is that an option?

New library: Processing:Android + ArduinoBT

[1 Reply]
- 15-Apr-2011 02:02 AM
- Forum: Android Processing
We've been working on this library the past handful of weeks and managed to get it to such a state we feel it's ready to start testing publicly.

This library, much like firmata, allows for setting & reading Arduino pin states on your Android device without changing the firmware on your ArduinoBT device.

We're still in the early phase of development, quite a lot of documentation is lacking yet.

It's been tested to run on Google Nexus One, Google Nexus S, ZTE Blade, and LG-P990 with Processing 0192 and 0194.

https://github.com/1scale1/sweetbt/wiki

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