Introduction
============
.. image:: https://readthedocs.org/projects/adafruit-circuitpython-ov7670/badge/?version=latest
:target: https://docs.circuitpython.org/projects/ov7670/en/latest/
:alt: Documentation Status
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:target: https://adafru.it/discord
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:target: https://github.com/adafruit/Adafruit_CircuitPython_OV7670/actions
:alt: Build Status
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:target: https://github.com/psf/black
:alt: Code Style: Black
CircuitPython driver for OV7670 cameras
.. warning::
This module requires the CircuitPython ``imagecapture`` module which is only in the unreleased development version ("Absolute Newest") of CircuitPython and is only supported on specific boards.
Dependencies
=============
This driver depends on:
* `Adafruit CircuitPython <https://github.com/adafruit/circuitpython>`_
* `Bus Device <https://github.com/adafruit/Adafruit_CircuitPython_BusDevice>`_
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>`_.
.. :: Describe the Adafruit product this library works with. For PCBs, you can also add the image from the assets folder in the PCB's github repo.
.. :: `Purchase one from the Adafruit shop <http://www.adafruit.com/products/>`_
Usage Example
=============
On an Adafruit Metro M4 Grand Central, capture a 40x30 image into a buffer:
.. code-block:: python3
import board
from adafruit_ov7670 import OV7670
cam = OV7670(
bus,
data_pins=[board.PCC_D0, board.PCC_D1, board.PCC_D2, board.PCC_D3, board.PCC_D4, board.PCC_D5, board.PCC_D6, board.PCC_D7],
clock=board.PCC_CLK,
vsync=board.PCC_DEN1,
href=board.PCC_DEN2,
mclk=board.D29,
shutdown=board.D39,
reset=board.D38,
)
cam.size = OV7670_SIZE_DIV16
buf = bytearray(2 * cam.width * cam.height)
cam.capture(buf)
Documentation
=============
API documentation for this library can be found on `Read the Docs <https://docs.circuitpython.org/projects/ov7670/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_OV7670/blob/main/CODE_OF_CONDUCT.md>`_
before contributing to help this project stay welcoming.
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