mirror of
https://github.com/openmv/openmv.git
synced 2025-09-26 23:09:13 +08:00
43 lines
1.2 KiB
Python
43 lines
1.2 KiB
Python
# This work is licensed under the MIT license.
|
|
# Copyright (c) 2013-2023 OpenMV LLC. All rights reserved.
|
|
# https://github.com/openmv/openmv/blob/master/LICENSE
|
|
#
|
|
# Image Writer Example
|
|
#
|
|
# NOTE: This example requires an SD card.
|
|
#
|
|
# This example shows how to use the Image Writer object to record a raw video file
|
|
# for later analysis using the Image Reader object.
|
|
|
|
import sensor
|
|
import image
|
|
import time
|
|
import machine
|
|
|
|
record_time = 10000 # 10 seconds in milliseconds
|
|
|
|
sensor.reset() # Reset and initialize the sensor.
|
|
sensor.set_pixformat(sensor.RGB565) # Set pixel format to RGB565 (or GRAYSCALE)
|
|
sensor.set_framesize(sensor.QQVGA) # Set frame size to QQVGA (160x120)
|
|
sensor.skip_frames(time=2000) # Wait for settings take effect.
|
|
clock = time.clock() # Create a clock object to track the FPS.
|
|
|
|
led = machine.LED("LED_RED")
|
|
stream = image.ImageIO("stream.bin", "w")
|
|
|
|
# Red LED on means we are capturing frames.
|
|
led.on()
|
|
|
|
start = time.ticks_ms()
|
|
while time.ticks_diff(time.ticks_ms(), start) < record_time:
|
|
clock.tick()
|
|
img = sensor.snapshot()
|
|
# Modify the image if you feel like here...
|
|
stream.write(img)
|
|
print(clock.fps())
|
|
|
|
stream.close()
|
|
led.off()
|
|
|
|
raise (Exception("Please reset the camera to see the new file."))
|