Current status Paused development for now, will restart once I find better ways of managing and distributing general-purpose embedded libraries. However, library is functional good stability & test coverage.

Overview

Telemetry enables easy communication and data visualization between a computer and any embedded platform, like ARM Mbed or Arduino.

Specifically, Telemetry is a communication protocol, implemented in C language.

Data is exchanged on named channels, called topics (ex : foo, bar and qux on the figure above).

Sending data is called publishing.

Telemetry TM;
int32_t i = 123;

TM.pub_i32("foo", i);

For receiving data, Telemetry lets you attach variables and functions to topics. When fresh data is received under a topic, attached variables will be updated and attached functions will be called.

Telemetry TM;
float thr;

TM.attach_f32_to("throttle", &thr);

for(;;) {
  TM.update();
}

Wrappers

Telemetry is written to be portable and general-purpose, and the core code is not tied to any hardware.

Wrappers for specific platforms are written to provide a plug-and-play manner to use Telemetry:

• Arduino wrapper
• Mbed wrapper (Available also on Mbed repository )
• Yotta (package manager) - in process

Data visualization

As soon as a device publishes data, it is possible to leverage the power of the Pytelemetry Command Line Interface .

This terminal application lets you interact with the device, using simple commands.

Opening a live plot is as simple as

:> plot someTopic

Central documentation

• Overview of the library
• Protocol description
• A non-exhaustive list of all the awesome features

All the information can be found from the Wiki Home.