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62 lines
1.4 KiB
Python
62 lines
1.4 KiB
Python
# This work is licensed under the MIT license.
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# Copyright (c) 2013-2025 OpenMV LLC. All rights reserved.
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# https://github.com/openmv/openmv/blob/master/LICENSE
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#
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# OLED Display with Joystick Example
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#
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# Note: To run this example you will need a OLED Breakout Board for your OpenMV AE3
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#
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# The OLED Breakout Board allows you to view your OpenMV AE3's frame buffer on the go.
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import sensor
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import time
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import display
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from pca9674a import PCA9674A
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from machine import I2C
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sensor.reset()
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sensor.set_pixformat(sensor.RGB565)
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sensor.set_framesize(sensor.VGA)
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sensor.set_windowing((400, 400))
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lcd = display.SPIDisplay(width=128, height=128, controller=display.SSD1351())
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clock = time.clock()
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def read_expander(pin):
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global exp, state
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state = exp.read() ^ 0xFF
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x_scale_def = 128 / 400
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y_scale_def = 128 / 400
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state = 0
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cursor_x = 0
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cursor_y = 0
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exp = PCA9674A(I2C(1), irq_pin="P9", callback=read_expander)
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def update_cursor():
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global cursor_x, cursor_y
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if state & 0x01: # Right
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cursor_x += 2
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if state & 0x02: # Up
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cursor_y -= 2
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if state & 0x04: # Left
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cursor_x -= 2
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if state & 0x08: # Down
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cursor_y += 2
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if state & 0x10: # Center
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cursor_x = 0
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cursor_y = 0
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while True:
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clock.tick()
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update_cursor()
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lcd.write(sensor.snapshot(), x=cursor_x, y=cursor_y,
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x_scale=x_scale_def, y_scale=y_scale_def)
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print(clock.fps())
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