wsnsrijan

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Srijan - WSN Application

Development Toolkit

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Introduction

Sensor network macroprogramming languages including ATaG aim to aid the wide adoption of networked sensing by providing domain experts the ability to specify their applications at a high level of abstraction. We believe it is also necessary to make easy-to-use toolkits for macroprogramming languages in order to both make their task easier, as well as to gain feedback about the macroprogramming paradigms themselves. Hence we developed Srijan, the graphical toolkit supporting the entire life-cycle of ATaG programming from prototyping network architecture, specifying task flow, generating task template, executing compilation to the final code deployment.

Components

Target System Description Module - used for specifying the infrastructure of the target system in a graphical manner.

Task Graph Specification GUI - used for representing the application as a centralized ATaG task graph.

Customizable Code Auto-generator - used for generating templates of imperative task code that the developer can then fill in.

Compilation and Deployment Modules - used for creating customized node-level programs, building node binaries and deploying them onto the constituent nodes in the system.

The Task Graph Specification GUIis implemented using GME as a separate component while the others are integrated in one general graphical interface - Project Composition GUI which is implemented in Java.

Quick Start Guide

Setup project directory – create a base project directory and copy the "rawMainCodeTemplate" folder to it. Set up the project directory in the Project Composition GUI.

Configure network infrastructure – using the Target System Description module (Editor, Viewer Panels of the Project Composition GUI) to create, load and edit network infrastructure description in a graphical environment, and export the information in a text file.

Configure task graph – using the standalone Task Graph Specification GUI to design the abstract task graph representing the application and then export the task graph as an XML file.

Customize imperative task code – after loading the above two files to the Project Composition GUI, using the Customizable Code Auto-generator module (compiling with stage parameters "templateonly" in the Compiler panel of the Project Composition GUI) to generate task templates and implementing tasks in java.

Compile – using the Compile module (compiling with stage parameters "configonly" in the Compiler panel of the Project Composition GUI) to compile the macro program down to node-level projects.

Deployment – using the facilities provided by the Deployment module (Deploy button in Compiler panel) of the Project Composition GUI to deploy the generated code to individual nodes (Sun SPOTs) over the air.

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