openmv/scripts/examples/01-Camera/07-Sensor-Control/autofocus.py
2024-01-19 16:21:04 -08:00

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Python

# This work is licensed under the MIT license.
# Copyright (c) 2013-2024 OpenMV LLC. All rights reserved.
# https://github.com/openmv/openmv/blob/master/LICENSE
#
# Auto Focus Example
#
# This example shows off how to auto-focus on cameras that support the feature.
import sensor
import time
sensor.reset() # Reset and initialize the sensor.
sensor.set_pixformat(sensor.RGB565) # Set pixel format to RGB565 (or GRAYSCALE)
sensor.set_framesize(sensor.QVGA) # Set frame size to QVGA (320x240)
sensor.skip_frames(time=2000) # Wait for settings take effect.
clock = time.clock() # Create a clock object to track the FPS.
try:
# The camera will now focus on whatever is in front of it.
sensor.ioctl(sensor.IOCTL_TRIGGER_AUTO_FOCUS)
except:
raise (Exception("Auto focus is not supported by your sensor/board combination."))
while True:
clock.tick() # Update the FPS clock.
img = sensor.snapshot() # Take a picture and return the image.
print(clock.fps()) # Note: OpenMV Cam runs about half as fast when connected
# to the IDE. The FPS should increase once disconnected.