# VSYNC GPIO output example. # # This example shows how to toggle the IR LED pin on VSYNC interrupt. import sensor, image, time from pyb import Pin 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. # IR LED pin object ir_led_pin = Pin('LED_IR', Pin.OUT_PP, Pin.PULL_NONE) # This pin will be toggled on/off on VSYNC (start of frame) interrupt. sensor.set_vsync_output(ir_led_pin) 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. # Turn off the IR LED after snapshot. ir_led_pin.off() print(clock.fps()) # Note: OpenMV Cam runs about half as fast when connected # to the IDE. The FPS should increase once disconnected.