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23 lines
976 B
Python
23 lines
976 B
Python
# VSYNC GPIO output example.
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#
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# This example shows how to toggle a pin on VSYNC interrupt.
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import sensor, image, time
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from pyb import Pin
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sensor.reset() # Reset and initialize the sensor.
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sensor.set_pixformat(sensor.RGB565) # Set pixel format to RGB565 (or GRAYSCALE)
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sensor.set_framesize(sensor.QVGA) # Set frame size to QVGA (320x240)
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# This pin will be toggled on/off on VSYNC rising and falling edges.
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led_pin = Pin('LED_BLUE', Pin.OUT_PP, Pin.PULL_NONE)
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sensor.set_vsync_callback(lambda state, led=led_pin: led_pin.value(state))
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clock = time.clock() # Create a clock object to track the FPS.
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while(True):
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clock.tick() # Update the FPS clock.
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img = sensor.snapshot() # Take a picture and return the image.
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print(clock.fps()) # Note: OpenMV Cam runs about half as fast when connected
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# to the IDE. The FPS should increase once disconnected.
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