openmv/scripts/examples/10-Arduino-Boards/Giga-H7/00-Board-Control/vsync_gpio_output.py

28 lines
999 B
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
#
# VSYNC GPIO output example.
#
# This example shows how to toggle a pin on VSYNC interrupt.
import sensor
import time
from machine import LED
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)
# This pin will be toggled on/off on VSYNC rising and falling edges.
led = LED("LED_BLUE")
sensor.set_vsync_callback(lambda state, led=led: led.value(state))
clock = time.clock() # Create a clock object to track the FPS.
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.