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Syndesi

Project description

Syndesi Python Implementation

Installation

The syndesi Python package can be installed through pip

pip install syndesi

The package can also be installed locally by cloning this repository

git clone ...
cd Syndesi/Python
pip install .

Usage

To instantiate a device / testbench, one must import the device and a suitable adapter

# 1) Import the device
from syndesi.drivers.instruments.mutlimeters.siglent.SDM3055 import SDM3055
# 2) Import the adapter
from syndesi.adapters import IP

# 3) Instantiate the multimeter using its IP
mm = SDM3055(IP("192.168.1.123"))

## 4) Use
voltage = mm.measure_dc_voltage()

The Syndesi Python package provides the user with the necessary tools to control compatible devices

  • drivers : device-specific implementation
  • descriptors : Each class represents a particular way of connecting to a device, the user must provide que necessary information (IP, com port, ID, etc...)
  • communication wrapper (wrappers) : Wrappers for low-level communication (TCP, UDP, UART, etc...)
    • IP (TCP / UDP)
    • UART
    • USB (?)

Layers

The first layer is the "Device" base class

The second layer is made of "Primary drivers". First stage drivers implement mid-level communication protocols like Modbus, SDP, Raw, HTTP, SPCI, etc... Those drivers can be instanciated by the user if he wishes to use a device "as is" (i.e without an application driver)

Next are device drivers. They provide implementation for device-specific operations

Last are the application drivers. These are used to provide application-specific operations that mar or may not be tied to a particular device.

Note that both device drivers and application drivers can be omitted and can also be stacked as all first stage drivers, device drivers and application drivers stem from the same base Class

SDP

The Syndesi Device Protocol is a light-weight and easy interface to send / receive commands with compatible devices.

Usecases

  • Test gear (multimeters, oscilloscopes, power supply, etc...)
    • set values (output voltage, settings, etc...)
    • get values (measured voltage, trace, screenshot)
    • continuously read data (UART multimeter for instance)
  • UART devices (Arduinos, etc...)
    • Send / receive raw data
    • Custom drivers
  • Syndesi devices
    • Send / receive formatted data
  • USB devices
    • Send / receive data using the USB protocol

Notes

15.08.2023 : The adapters must work with bytearray data only

Project details


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