Circuitpython

CircuitPython is a specialized derivative of the MicroPython runtime designed as an embedded Python interpreter for microcontrollers. It provides a high-level language environment that allows for direct hardware access through a dedicated hardware abstraction layer and a Python microcontroller runtime.

The project is distinguished by firmware that exposes the microcontroller as a native USB mass storage device. This allows users to edit code directly on the device as if it were a removable drive, eliminating the need for specialized flashing tools and enabling filesystem-triggered code reloading.

The system covers a broad range of capabilities including unified hardware API access for controlling electronic components across different boards, serial-based communication via REPL and WebUSB, and a port-based system for board-specific firmware compilation. It also includes developer tooling such as type stub generation for static analysis and a crash recovery mode to maintain device accessibility during troubleshooting.

Features

Mass Storage Deployment - Exposes the device internal filesystem as a native USB mass storage device for direct code editing without flashing tools.
Microcontroller Programming - Enables controlling microcontroller pins and hardware using Python instead of low-level C or assembly firmware.
Hardware-Specific Firmware Images - Builds executable firmware tailored for specific microcontroller boards using a port-based system and configurable flags.
MicroPython Runtimes - Provides a specialized Python runtime optimized for ease of use on small hardware devices.
USB Configuration Drives - Exposes the device as a native USB drive to allow direct file editing without specialized flashing tools.
File-Change-Triggered Restarts - Automatically restarts the main program when changes to files on the internal storage are detected.
Hardware Abstraction Layers - Provides a unified interface layer to standardize hardware access across different microcontroller architectures and pin configurations.
Microcontroller Firmware Frameworks - Provides a complete framework for building and configuring custom firmware for various microcontroller boards.
Removable Storage Emulation - Allows mounting the onboard filesystem as a removable drive for direct file transfers and code updates.
Unified Hardware Interfaces - Provides a consistent set of software interfaces to control diverse microcontroller boards and sensors.
Source-to-Bytecode Compilers - Transforms high-level Python source code into compact bytecode for efficient execution on constrained microcontroller hardware.
Embedded Python Interpreters - Implements a compact software layer that executes Python code directly on microcontroller hardware.
Runtime Bytecode Compilation - Transforms source files into compact bytecode for efficient execution on target microcontroller runtimes.
Microcontroller Runtimes - Implements a Python runtime specifically optimized for resource-constrained microcontroller environments.
Firmware Crash Recovery - Prevents user code from running after a hard crash to ensure the device remains accessible for troubleshooting.
Firmware Debugging - Provides specialized tools for inspecting memory and execution flow on microcontroller hardware using debug probes.
Hot Code Reloading - Implements a mechanism to automatically restart the main program when changes to the internal filesystem are detected.
Firmware Build Configuration - Manages firmware compilation through a nested system of configuration files tailored to specific boards and hardware ports.
Boot Sequence Automation - Automatically executes specific scripts during system boot, recovery states, or following filesystem changes.
Embedded Systems Debugging - Supports monitoring real-time device logs and inspecting firmware state through serial consoles and debugging probes.
Hardware Prototyping Frameworks - Provides a high-level environment for rapidly iterating on hardware projects by editing code directly on the device.
Interactive REPL Interfaces - Provides a bidirectional communication channel over USB or WebUSB for real-time command execution and system logging.
File System Mounts - Provides a dedicated storage module to control how various storage media are mounted and accessed.
High-Level Hardware Programming - Allows operating low-cost hardware using a simplified high-level language environment instead of low-level code.
Hierarchical Configuration Systems - Allows modifying board or port behavior using a hierarchical system of makefiles and compile-time options.
Embedded Log Capture - Retrieves real-time execution logs and stack traces from embedded target devices via stable serial identifiers.
Serial Communication - Supports establishing a serial console interface to send and receive data via WebUSB without specialized drivers.
Core Frameworks - The primary source code repository for the firmware.

Historique des stars

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Name: adafruit/circuitpython
Author: adafruit

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4,521 stars1,400 forksC2 vuescircuitpython.org

Circuitpython

Features

Mass Storage Deployment - Exposes the device internal filesystem as a native USB mass storage device for direct code editing without flashing tools.
Microcontroller Programming - Enables controlling microcontroller pins and hardware using Python instead of low-level C or assembly firmware.
Hardware-Specific Firmware Images - Builds executable firmware tailored for specific microcontroller boards using a port-based system and configurable flags.
MicroPython Runtimes - Provides a specialized Python runtime optimized for ease of use on small hardware devices.
USB Configuration Drives - Exposes the device as a native USB drive to allow direct file editing without specialized flashing tools.
File-Change-Triggered Restarts - Automatically restarts the main program when changes to files on the internal storage are detected.
Hardware Abstraction Layers - Provides a unified interface layer to standardize hardware access across different microcontroller architectures and pin configurations.
Microcontroller Firmware Frameworks - Provides a complete framework for building and configuring custom firmware for various microcontroller boards.
Removable Storage Emulation - Allows mounting the onboard filesystem as a removable drive for direct file transfers and code updates.
Unified Hardware Interfaces - Provides a consistent set of software interfaces to control diverse microcontroller boards and sensors.
Source-to-Bytecode Compilers - Transforms high-level Python source code into compact bytecode for efficient execution on constrained microcontroller hardware.
Embedded Python Interpreters - Implements a compact software layer that executes Python code directly on microcontroller hardware.
Runtime Bytecode Compilation - Transforms source files into compact bytecode for efficient execution on target microcontroller runtimes.
Microcontroller Runtimes - Implements a Python runtime specifically optimized for resource-constrained microcontroller environments.
Firmware Crash Recovery - Prevents user code from running after a hard crash to ensure the device remains accessible for troubleshooting.
Firmware Debugging - Provides specialized tools for inspecting memory and execution flow on microcontroller hardware using debug probes.
Hot Code Reloading - Implements a mechanism to automatically restart the main program when changes to the internal filesystem are detected.
Firmware Build Configuration - Manages firmware compilation through a nested system of configuration files tailored to specific boards and hardware ports.
Boot Sequence Automation - Automatically executes specific scripts during system boot, recovery states, or following filesystem changes.
Embedded Systems Debugging - Supports monitoring real-time device logs and inspecting firmware state through serial consoles and debugging probes.
Hardware Prototyping Frameworks - Provides a high-level environment for rapidly iterating on hardware projects by editing code directly on the device.
Interactive REPL Interfaces - Provides a bidirectional communication channel over USB or WebUSB for real-time command execution and system logging.
File System Mounts - Provides a dedicated storage module to control how various storage media are mounted and accessed.
High-Level Hardware Programming - Allows operating low-cost hardware using a simplified high-level language environment instead of low-level code.
Hierarchical Configuration Systems - Allows modifying board or port behavior using a hierarchical system of makefiles and compile-time options.
Embedded Log Capture - Retrieves real-time execution logs and stack traces from embedded target devices via stable serial identifiers.
Serial Communication - Supports establishing a serial console interface to send and receive data via WebUSB without specialized drivers.
Core Frameworks - The primary source code repository for the firmware.

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Questions fréquentes

Que fait adafruit/circuitpython ?

Quelles sont les fonctionnalités principales de adafruit/circuitpython ?

Les fonctionnalités principales de adafruit/circuitpython sont : Mass Storage Deployment, Microcontroller Programming, Hardware-Specific Firmware Images, MicroPython Runtimes, USB Configuration Drives, File-Change-Triggered Restarts, Hardware Abstraction Layers, Microcontroller Firmware Frameworks.

Quelles sont les alternatives open-source à adafruit/circuitpython ?

Les alternatives open-source à adafruit/circuitpython incluent : alex8088/electron-vite — electron-vite is a build system and multi-process bundle orchestrator that uses Vite to compile and bundle the main,… micropython/micropython — MicroPython is a lean implementation of Python 3 optimized to run on microcontrollers and other resource-constrained… apache/nuttx — NuttX is a POSIX-compliant real-time operating system designed for microcontrollers ranging from 8-bit to 64-bit… esp8266/arduino — This project is an embedded C++ development kit and hardware abstraction layer that enables the Arduino programming… raspberrypi/pico-examples — This project is a reference library of firmware examples and a development framework for creating embedded C… bellard/mquickjs — mQuickjs is a compact JavaScript engine designed for memory-constrained devices, such as microcontrollers, requiring…