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Oregon Scientific WMR100/WMR200/RMS300A USB protocol client
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wmr100.c

README.md

Oregon Scientific WMR100 client for Linux/BSD/etc.

Supports

  • Oregon Scientific WMR100
  • Oregon Scientific WMR200
  • Oregon Scientific RMS300A

Introduction

The WMR100/200 use a proprietary protocol for their USB connection.

It's very useful for enthusiasts running a headless Linux box to collect and analyze data from this link, but unfortunately the protocol isn't openly documented, nor are clients provided for this platform.

This simple C program handles the USB protocol of the WMR100, and translates to a JSON format, easy for parsing/analysing.

You can output to:

  • stdout
  • a file
  • a zeromq socket

You'll need to setup the udev rules (see udev/README) if you want to run this not as root. This is due to how libhid accesses the USB ports.

Requisites

Packages:

  • libhid-dev
  • pkg-config
  • libusb-dev
  • libzmq-dev

Building

Run 'make'.

To install, copy wmr100 to your path.

One time install for osx

To keep the default HIDManager from taking the wmr100, run this once:

make setup_osx

If you want to use different software to read the wmr100 device, you should undo this by running make unsetup_osx and then reboot so that the HIDManager will take control of the device again.

Raspberry pi

To install on raspberry pi use this script:

https://github.com/think-free/pi-scripts/raw/master/InstallWmr100OnPi.sh

Usage

Run: ./wmr100

This will dump data to data.log as well as stdout.q as stdout. You can then process periodically data.log with a script in python/perl/ruby/your language of choice, and frob with the data that way.

Or publish to a zeromq socket: ./wmr100 -z 'tcp://*:8790'

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