Introduction
============
.. image:: https://readthedocs.org/projects/adafruit-circuitpython-usb-host-mass-storage/badge/?version=latest
:target: https://docs.circuitpython.org/projects/usb-host-mass-storage/en/latest/
:alt: Documentation Status
.. image:: https://raw.githubusercontent.com/adafruit/Adafruit_CircuitPython_Bundle/main/badges/adafruit_discord.svg
:target: https://adafru.it/discord
:alt: Discord
.. image:: https://github.com/adafruit/Adafruit_CircuitPython_USB_Host_Mass_Storage/workflows/Build%20CI/badge.svg
:target: https://github.com/adafruit/Adafruit_CircuitPython_USB_Host_Mass_Storage/actions
:alt: Build Status
.. image:: https://img.shields.io/badge/code%20style-black-000000.svg
:target: https://github.com/psf/black
:alt: Code Style: Black
CircuitPython BlockDevice for USB mass storage devices
Dependencies
=============
This driver depends on:
* `Adafruit CircuitPython 9.0.0 and later <https://github.com/adafruit/circuitpython>`_
Please ensure all dependencies are available on the CircuitPython filesystem.
This is easily achieved by downloading
`the Adafruit library and driver bundle <https://circuitpython.org/libraries>`_
or individual libraries can be installed using
`circup <https://github.com/adafruit/circup>`_.
Installing from PyPI
=====================
On supported GNU/Linux systems like the Raspberry Pi, you can install the driver locally `from
PyPI <https://pypi.org/project/adafruit-circuitpython-usb-host-mass-storage/>`_.
To install for current user:
.. code-block:: shell
pip3 install adafruit-circuitpython-usb-host-mass-storage
To install system-wide (this may be required in some cases):
.. code-block:: shell
sudo pip3 install adafruit-circuitpython-usb-host-mass-storage
To install in a virtual environment in your current project:
.. code-block:: shell
mkdir project-name && cd project-name
python3 -m venv .venv
source .env/bin/activate
pip3 install adafruit-circuitpython-usb-host-mass-storage
Installing to a Connected CircuitPython Device with Circup
==========================================================
Make sure that you have ``circup`` installed in your Python environment.
Install it with the following command if necessary:
.. code-block:: shell
pip3 install circup
With ``circup`` installed and your CircuitPython device connected use the
following command to install:
.. code-block:: shell
circup install adafruit_usb_host_mass_storage
Or the following command to update an existing version:
.. code-block:: shell
circup update
Usage Example
=============
Print basic information about a device and its first (and usually only) configuration.
.. code-block:: python
import usb.core
import os
import storage
import time
from adafruit_usb_host_descriptors import *
DIR_IN = 0x80
while True:
print("searching for devices")
for device in usb.core.find(find_all=True):
print("pid", hex(device.idProduct))
print("vid", hex(device.idVendor))
print("man", device.manufacturer)
print("product", device.product)
print("serial", device.serial_number)
print("config[0]:")
config_descriptor = get_configuration_descriptor(device, 0)
i = 0
while i < len(config_descriptor):
descriptor_len = config_descriptor[i]
descriptor_type = config_descriptor[i + 1]
if descriptor_type == DESC_CONFIGURATION:
config_value = config_descriptor[i + 5]
print(f" value {config_value:d}")
elif descriptor_type == DESC_INTERFACE:
interface_number = config_descriptor[i + 2]
interface_class = config_descriptor[i + 5]
interface_subclass = config_descriptor[i + 6]
print(f" interface[{interface_number:d}] class {interface_class:02x} subclass {interface_subclass:02x}")
elif descriptor_type == DESC_ENDPOINT:
endpoint_address = config_descriptor[i + 2]
if endpoint_address & DIR_IN:
print(f" IN {endpoint_address:02x}")
else:
print(f" OUT {endpoint_address:02x}")
i += descriptor_len
print()
time.sleep(5)
Documentation
=============
API documentation for this library can be found on `Read the Docs <https://docs.circuitpython.org/projects/usb-host-mass-storage/en/latest/>`_.
For information on building library documentation, please check out
`this guide <https://learn.adafruit.com/creating-and-sharing-a-circuitpython-library/sharing-our-docs-on-readthedocs#sphinx-5-1>`_.
Contributing
============
Contributions are welcome! Please read our `Code of Conduct
<https://github.com/adafruit/Adafruit_CircuitPython_USB_Host_Mass_Storage/blob/HEAD/CODE_OF_CONDUCT.md>`_
before contributing to help this project stay welcoming.
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"description": "Introduction\n============\n\n\n.. image:: https://readthedocs.org/projects/adafruit-circuitpython-usb-host-mass-storage/badge/?version=latest\n :target: https://docs.circuitpython.org/projects/usb-host-mass-storage/en/latest/\n :alt: Documentation Status\n\n\n.. image:: https://raw.githubusercontent.com/adafruit/Adafruit_CircuitPython_Bundle/main/badges/adafruit_discord.svg\n :target: https://adafru.it/discord\n :alt: Discord\n\n\n.. image:: https://github.com/adafruit/Adafruit_CircuitPython_USB_Host_Mass_Storage/workflows/Build%20CI/badge.svg\n :target: https://github.com/adafruit/Adafruit_CircuitPython_USB_Host_Mass_Storage/actions\n :alt: Build Status\n\n\n.. image:: https://img.shields.io/badge/code%20style-black-000000.svg\n :target: https://github.com/psf/black\n :alt: Code Style: Black\n\nCircuitPython BlockDevice for USB mass storage devices\n\n\nDependencies\n=============\nThis driver depends on:\n\n* `Adafruit CircuitPython 9.0.0 and later <https://github.com/adafruit/circuitpython>`_\n\nPlease ensure all dependencies are available on the CircuitPython filesystem.\nThis is easily achieved by downloading\n`the Adafruit library and driver bundle <https://circuitpython.org/libraries>`_\nor individual libraries can be installed using\n`circup <https://github.com/adafruit/circup>`_.\n\n\nInstalling from PyPI\n=====================\n\nOn supported GNU/Linux systems like the Raspberry Pi, you can install the driver locally `from\nPyPI <https://pypi.org/project/adafruit-circuitpython-usb-host-mass-storage/>`_.\nTo install for current user:\n\n.. code-block:: shell\n\n pip3 install adafruit-circuitpython-usb-host-mass-storage\n\nTo install system-wide (this may be required in some cases):\n\n.. code-block:: shell\n\n sudo pip3 install adafruit-circuitpython-usb-host-mass-storage\n\nTo install in a virtual environment in your current project:\n\n.. code-block:: shell\n\n mkdir project-name && cd project-name\n python3 -m venv .venv\n source .env/bin/activate\n pip3 install adafruit-circuitpython-usb-host-mass-storage\n\nInstalling to a Connected CircuitPython Device with Circup\n==========================================================\n\nMake sure that you have ``circup`` installed in your Python environment.\nInstall it with the following command if necessary:\n\n.. code-block:: shell\n\n pip3 install circup\n\nWith ``circup`` installed and your CircuitPython device connected use the\nfollowing command to install:\n\n.. code-block:: shell\n\n circup install adafruit_usb_host_mass_storage\n\nOr the following command to update an existing version:\n\n.. code-block:: shell\n\n circup update\n\nUsage Example\n=============\n\nPrint basic information about a device and its first (and usually only) configuration.\n\n.. code-block:: python\n\n import usb.core\n import os\n import storage\n import time\n\n from adafruit_usb_host_descriptors import *\n\n DIR_IN = 0x80\n\n while True:\n print(\"searching for devices\")\n for device in usb.core.find(find_all=True):\n print(\"pid\", hex(device.idProduct))\n print(\"vid\", hex(device.idVendor))\n print(\"man\", device.manufacturer)\n print(\"product\", device.product)\n print(\"serial\", device.serial_number)\n print(\"config[0]:\")\n config_descriptor = get_configuration_descriptor(device, 0)\n\n i = 0\n while i < len(config_descriptor):\n descriptor_len = config_descriptor[i]\n descriptor_type = config_descriptor[i + 1]\n if descriptor_type == DESC_CONFIGURATION:\n config_value = config_descriptor[i + 5]\n print(f\" value {config_value:d}\")\n elif descriptor_type == DESC_INTERFACE:\n interface_number = config_descriptor[i + 2]\n interface_class = config_descriptor[i + 5]\n interface_subclass = config_descriptor[i + 6]\n print(f\" interface[{interface_number:d}] class {interface_class:02x} subclass {interface_subclass:02x}\")\n elif descriptor_type == DESC_ENDPOINT:\n endpoint_address = config_descriptor[i + 2]\n if endpoint_address & DIR_IN:\n print(f\" IN {endpoint_address:02x}\")\n else:\n print(f\" OUT {endpoint_address:02x}\")\n i += descriptor_len\n print()\n time.sleep(5)\n\nDocumentation\n=============\nAPI documentation for this library can be found on `Read the Docs <https://docs.circuitpython.org/projects/usb-host-mass-storage/en/latest/>`_.\n\nFor information on building library documentation, please check out\n`this guide <https://learn.adafruit.com/creating-and-sharing-a-circuitpython-library/sharing-our-docs-on-readthedocs#sphinx-5-1>`_.\n\nContributing\n============\n\nContributions are welcome! Please read our `Code of Conduct\n<https://github.com/adafruit/Adafruit_CircuitPython_USB_Host_Mass_Storage/blob/HEAD/CODE_OF_CONDUCT.md>`_\nbefore contributing to help this project stay welcoming.\n",
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