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command-line interface for data visualization and communication with embedded devices

Project Description

Pytelemetry Command Line Interface

This module is a powerful command line interface for extremely fast debugging and communication with embedded systems.

It allows for plotting embedded device’s data on-the-fly, publishing values on any topics, listing serial ports and much more.

The CLI relies on custom protocol, implemented in Python and C languages. The main strength of this protocol is strong decoupling between communicating devices, simplicity yet flexibility.

For instance, the protocol supports sending standard linear data, but also arrays and sparse arrays in a network-friendly manner.

https://raw.githubusercontent.com/Overdrivr/pytelemetrycli/master/console.png https://raw.githubusercontent.com/Overdrivr/pytelemetrycli/master/graph.png

pytelemetry

This module is the Python implementation of the communication protocol.

It can be used directly (without the CLI) to script communications with an embedded device.

from pytelemetry import Pytelemetry
from pytelemetry.transports.serialtransport import SerialTransport
import time

transport = SerialTransport()
tlm = Pytelemetry(transport)
transport.connect({port:'com9',baudrate:'9600'})

# publish once on topic 'throttle' (a named communication channel)
tlm.publish('throttle',0.8,'float32')

def printer(topic, data, opts):
    print(topic," : ", data)

# Subscribe a `printer` function called on every frame with topic 'feedback'.
tlm.subscribe("feedback", printer)

# Update during 3 seconds
timeout = time.time() + 3
while True:
    tlm.update()
    if time.time() > timeout:
        break

# disconnect
transport.disconnect()
print("Done.")

Language C implementation

Telemetry is the same protocol implemented in C language.

Centralized documentation

The documentation for all three projects is centralized here.

MIT License, (C) 2015-2016 Rémi Bèges (remi.beges@gmail.com)

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pytelemetrycli-1.1.0-py3-none-any.whl (15.0 kB) Copy SHA256 hash SHA256 Wheel py3 Mar 23, 2016

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