libusbsio
Python wrapper around NXP LIBUSBSIO library
Decision gist · record as of 2026-08-14
Yes, if you own or work with NXP LPCLink2 or MCUlink Pro hardware and need to control SPI, I2C, or GPIO from Python. The package is actively maintained, has no external dependencies, carries a permissive license, and is free of known vulnerabilities. Install only if you have the required NXP hardware; it is not useful as a standalone library.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires the NXP libusbsio binary library to be installed on the system; LPCLink2 or MCUlink Pro hardware device must be connected via USB.
- Low install friction with no external Python dependencies.
- Package is actively maintained, with the latest release from June 2026 and a release cycle showing regular updates.
License · maintenance · safety
BSD-3-Clause (permissive) — BSD-3-Clause permissive license allows use in commercial and proprietary projects with minimal restrictions; source code availability since v2.1.11.
last release 2026-06-25 (50 days)
0 known vulnerabilities (OSV.dev, 2026-08-14) · 545,920 downloads/mo, #6,072 on PyPI
Alternatives
Verify before relying
python -m pip install libusbsio
from libusbsio import LIBUSBSIO
import logging
logging.basicConfig()
sio = LIBUSBSIO(loglevel=logging.INFO)- Whether the package works with Python versions beyond 3.6 in practice, despite the requires_python declaration.
- Availability and completeness of API documentation beyond the description excerpt.
- Whether all platform binaries (Windows, macOS, Linux including armv7l and aarch64) are included in the PyPI wheel.
What it is and what it does
libusbsio is a Python wrapper around NXP's binary libusbsio library, which provides low-level access to SPI, I2C, and GPIO buses through NXP's LPCLink2 and MCUlink Pro USB debug probes. The wrapper encapsulates the native library and exposes its functionality to Python applications, handling the underlying HID API communication with the USB devices across Windows, macOS, and Linux platforms.
The package is designed for embedded systems development and debugging workflows where you need to communicate with microcontroller boards over USB without writing to the native library directly. It supports multiple simultaneous LIBUSBSIO objects for different connected devices, offers configurable logging, and includes methods for device enumeration, opening by serial number or path, and controlling low-level HID read timeouts.
Use it for
- Debug and communicate with NXP LPCLink2 or MCUlink Pro devices from Python scripts during embedded development.
- Automate SPI or I2C bus testing and validation against target MCU applications running on connected boards.
- Read and write GPIO pins on target microcontrollers via USB without direct hardware access.
- Integrate NXP debug probe control into Python-based test frameworks or CI/CD pipelines for embedded projects.
- Enumerate and manage multiple connected USBSIO devices simultaneously in a single Python application.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you own or work with NXP LPCLink2 or MCUlink Pro hardware and need to control SPI, I2C, or GPIO from Python.
The package is actively maintained, has no external dependencies, carries a permissive license, and is free of known vulnerabilities. Install only if you have the required NXP hardware; it is not useful as a standalone library.
Install
libusbsio on PyPI
Before you install
Low install friction with no external Python dependencies. Package is actively maintained, with the latest release from June 2026 and a release cycle showing regular updates.
Requires the NXP libusbsio binary library to be installed on the system; LPCLink2 or MCUlink Pro hardware device must be connected via USB.
License in practice
BSD-3-Clause permissive license allows use in commercial and proprietary projects with minimal restrictions; source code availability since v2.1.11.
Quickstart
python -m pip install libusbsio
from libusbsio import LIBUSBSIO
import logging
logging.basicConfig()
sio = LIBUSBSIO(loglevel=logging.INFO)Verify before relying
- Whether the package works with Python versions beyond 3.6 in practice, despite the requires_python declaration.
- Availability and completeness of API documentation beyond the description excerpt.
- Whether all platform binaries (Windows, macOS, Linux including armv7l and aarch64) are included in the PyPI wheel.
Package facts
| License | BSD-3-Clause permissive |
| Python support | Supports the current Python release >=3.6 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | None |
| Maintenance | Actively maintained 50 days since the last release |
| First released | |
| Downloads | 545,920 / month, #6,072 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Operating System :: MacOS :: MacOS XOperating System :: Microsoft :: WindowsOperating System :: POSIX :: LinuxProgramming Language :: Python :: 3Topic :: Scientific/EngineeringTopic :: Software Development :: Embedded SystemsTopic :: System :: HardwareTopic :: Utilities |
Evidence: libusbsio-2.2.1-py3-none-any.whl
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See also ft4222 · pyftdi · spsdk · spsdk-mcu-link · pypemicro · Adafruit-PureIO · numato-gpio · libusb1 · spsdk-pyocd · libusb-package