pslab-android

PSLab Android App

This repository holds the Android App for performing experiments with PSLab. PSLab is a tiny pocket science lab that provides an array of equipment for doing science and engineering experiments. It can function like an oscilloscope, waveform generator, frequency counter, programmable voltage and current source and also as a data logger. Our website is at: http://pslab.fossasia.org

Communication

Please join us on the following channels:

Roadmap

First we need to get communication between Android App and PSLab working.
Implement Applications and expose PSLab Hardware functionality to user.
Implement Functionality to Perform Experiment using PSLab Hardware Device.

Screenshots

Video Demo

Features

Feature	Description	Status
Home Screen	Show status and version of PSLab device	Established
Application	Exposes PSLab application like Oscilloscope,etc	Established
Oscilloscope	Shows variation of analog signals	Established
Control	Generate waveforms and PWM signals. Control voltage and current sources and read results from a variety of electric components	Established
Logical Analyzer	Captures and displays signals from digital system	Working
Data Sensor Logger	Scans sensors connected to PSLab Device and provides interface to see and log real-time data	Working
Sensor Quick View	Scans all the sensors connected to PSLab Device and visualise real-time data	Established
Settings	Enable Auto-Start
Saved Experiments	Access Pre-defined and Designed Experiments	Working
Design Experiments	To Design our own experiments

How to set up the Android app in your development environment

Development Setup

Before you begin, you should already have the Android Studio SDK downloaded and set up correctly. You can find a guide on how to do this here: Setting up Android Studio

Setting up the Android Project

Download the pslab-android project source. You can do this either by forking and cloning the repository (recommended if you plan on pushing changes) or by downloading it as a ZIP file and extracting it.
Open Android Studio, you will see a Welcome to Android window. Under Quick Start, select Import Project (Eclipse ADT, Gradle, etc.)
Navigate to the directory where you saved the pslab-android project, select the "pslab-android" folder, and hit OK. Android Studio should now begin building the project with Gradle.
Once this process is complete and Android Studio opens, check the Console for any build errors.

Note: If you receive a Gradle sync error titled, "failed to find ...", you should click on the link below the error message (if available) that says Install missing platform(s) and sync project and allow Android studio to fetch you what is missing.

Once all build errors have been resolved, you should be all set to build the app and test it.
To Build the app, go to Build>Make Project (or alternatively press the Make Project icon in the toolbar).
If the app was built successfully, you can test it by running it on either a real device or an emulated one by going to Run>Run 'app' or presing the Run icon in the toolbar.

If you want build apk only, go to Build>Build apk and apk would be build and directory where apk is generated would be prompted by Android Studio.

You can't debug the usual way as PSLab device is connected to micro-USB port through OTG cable. So Android Device is not connected to PC through usb cable.

To debug over Wi-Fi : http://blog.fossasia.org/android-app-debugging-over-wifi-for-pslab/

Note :

If you built your own hardware, change VendorID and/or ProductID in CommunicationHandler.java

Setup to use PSLab with Android App

To use PSLab device with Android, you simply need an OTG cable, an Android Device with USB Host feature enabled ( most modern phones have OTG support ) and PSLab Android App. Connect PSLab device to Android Phone via OTG cable. Rest is handled by App itself.

Contributions Best Practices

Code practices

Please help us follow the best practice to make it easy for the reviewer as well as the contributor. We want to focus on the code quality more than on managing pull request ethics.

Single commit per pull request
Reference the issue numbers in the commit message. Follow the pattern Fixes #<issue number> <commit message>
Follow uniform design practices. The design language must be consistent throughout the app.
The pull request will not get merged until and unless the commits are squashed. In case there are multiple commits on the PR, the commit author needs to squash them and not the maintainers cherrypicking and merging squashes.
If the PR is related to any front end change, please attach relevant screenshots in the pull request description.

Branch Policy

We have the following branches

development All development goes on in this branch. If you're making a contribution, you are supposed to make a pull request to development. Make sure it pass a build check on Travis.
master This contains the stable code. After significant features/bugfixes are accumulated on development, we move it to master.
apk This branch contains automatically generated apk file for testing.

Code style

Please try to follow the mentioned guidelines while writing and submitting your code as it makes easier for the reviewer and other developers to understand.

While naming the layout files, ensure that the convention followed is (activity/fragment) _ (name).xml like activity_oscilloscope.xml , fragment_control_main.xml .
Name the views and widgets defined in the layout files as (viewtype/widget) _ (fragment/activity name) _ (no. in the file) like spinner_channel_select_la1 , button_activity_oscilloscope1 .
The activity/fragment file name corresponding to the layout files should be named as (activity/fragment name)(activity/fragment).java like ChannelsParameterFragment.java corresponding to the layout file fragment_channels_parameter.xml .
The corresponding widgets for buttons, textboxes, checkboxes etc. in activity files should be named as (viewtype/widget)(fragment/activity name)(no. in the file) like spinnerChannelSelect1 corresponding to spinner_channel_select1 .

License

This project is currently licensed under the GNU General Public License v3. A copy of LICENSE is to be present along with the source code. To obtain the software under a different license, please contact FOSSASIA.

Maintainers

The project is maintained by

Praveen Patil (@wavicles)
Mario Behling (@mariobehling)
Lorenz Gerber (@lorenzgerber)
Jithin (@jithinbp)
Akarshan Gandotra (@akarshan96), Asitava Sarkar (@asitava1998), Padmal (@CloudyPadmal), Vivek Singh Bhadauria (@viveksb007)

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pslab-android's Introduction