2021-02-16 14:43:57 +00:00
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# This example shows you a simple, non-interrupt way of reading Pico Display's buttons with a loop that checks to see if buttons are pressed.
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2021-06-17 14:33:05 +00:00
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import picodisplay as display # Comment this line out to use PicoDisplay2
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# import picodisplay2 as display # Uncomment this line to use PicoDisplay2
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2021-02-16 14:43:57 +00:00
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import utime
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# Initialise display with a bytearray display buffer
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buf = bytearray(display.get_width() * display.get_height() * 2)
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display.init(buf)
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display.set_backlight(0.5)
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2021-04-15 08:21:27 +00:00
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2021-02-16 14:43:57 +00:00
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# sets up a handy function we can call to clear the screen
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2021-04-15 08:21:27 +00:00
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def clear():
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2021-02-16 16:52:48 +00:00
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display.set_pen(0, 0, 0)
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2021-02-16 14:43:57 +00:00
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display.clear()
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display.update()
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2021-04-15 08:21:27 +00:00
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2021-02-16 14:43:57 +00:00
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while True:
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if display.is_pressed(display.BUTTON_A): # if a button press is detected then...
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2021-02-16 16:52:48 +00:00
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clear() # clear to black
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2021-02-16 14:43:57 +00:00
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display.set_pen(255, 255, 255) # change the pen colour
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display.text("Button A pressed", 10, 10, 240, 4) # display some text on the screen
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display.update() # update the display
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utime.sleep(1) # pause for a sec
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2021-02-16 16:52:48 +00:00
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clear() # clear to black again
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2021-02-16 14:43:57 +00:00
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elif display.is_pressed(display.BUTTON_B):
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2021-02-16 16:52:48 +00:00
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clear()
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2021-02-16 14:43:57 +00:00
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display.set_pen(0, 255, 255)
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display.text("Button B pressed", 10, 10, 240, 4)
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display.update()
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utime.sleep(1)
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2021-02-16 16:52:48 +00:00
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clear()
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2021-02-16 14:43:57 +00:00
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elif display.is_pressed(display.BUTTON_X):
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2021-02-16 16:52:48 +00:00
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clear()
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2021-02-16 14:43:57 +00:00
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display.set_pen(255, 0, 255)
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display.text("Button X pressed", 10, 10, 240, 4)
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display.update()
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utime.sleep(1)
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2021-02-16 16:52:48 +00:00
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clear()
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2021-02-16 14:43:57 +00:00
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elif display.is_pressed(display.BUTTON_Y):
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2021-02-16 16:52:48 +00:00
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clear()
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2021-02-16 14:43:57 +00:00
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display.set_pen(255, 255, 0)
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display.text("Button Y pressed", 10, 10, 240, 4)
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display.update()
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2021-02-16 16:52:48 +00:00
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utime.sleep(1)
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clear()
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else:
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2021-04-15 08:21:27 +00:00
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display.set_pen(255, 0, 0)
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2021-02-16 16:52:48 +00:00
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display.text("Press any button!", 10, 10, 240, 4)
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display.update()
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2021-02-16 14:43:57 +00:00
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utime.sleep(0.1) # this number is how frequently the Pico checks for button presses
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