diff --git a/scripts/examples/02-Board-Control/vsync_gpio_output.py b/scripts/examples/02-Board-Control/vsync_gpio_output.py new file mode 100644 index 000000000..9737387dd --- /dev/null +++ b/scripts/examples/02-Board-Control/vsync_gpio_output.py @@ -0,0 +1,26 @@ +# 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.