pimoroni-pico/micropython/examples/tufty2040/button_test.py

87 lines
2.9 KiB
Python

# This example shows you a simple, non-interrupt way of reading Tufty 2040's buttons with a loop that checks to see if buttons are pressed.
import time
from pimoroni import Button
from picographics import PicoGraphics, DISPLAY_TUFTY_2040
display = PicoGraphics(display=DISPLAY_TUFTY_2040)
display.set_backlight(1.0)
display.set_font("bitmap8")
button_a = Button(7, invert=False)
button_b = Button(8, invert=False)
button_c = Button(9, invert=False)
button_up = Button(22, invert=False)
button_down = Button(6, invert=False)
button_boot = Button(23, invert=True)
WHITE = display.create_pen(255, 255, 255)
BLACK = display.create_pen(0, 0, 0)
TEAL = display.create_pen(0, 255, 255)
MAGENTA = display.create_pen(255, 0, 255)
YELLOW = display.create_pen(255, 255, 0)
RED = display.create_pen(255, 0, 0)
GREEN = display.create_pen(0, 255, 0)
BLUE = display.create_pen(0, 0, 255)
WIDTH, HEIGHT = display.get_bounds()
while True:
if button_a.is_pressed: # if a button press is detected then...
display.set_pen(BLACK) # set pen to black
display.clear() # clear display to the pen colour
display.set_pen(WHITE) # change the pen colour
display.text("Button A pressed", 10, 10, WIDTH - 10, 3) # display some text on the screen
display.update() # update the display
time.sleep(1) # pause for a sec
elif button_b.is_pressed:
display.set_pen(BLACK)
display.clear()
display.set_pen(TEAL)
display.text("Button B pressed", 10, 10, WIDTH - 10, 3)
display.update()
time.sleep(1)
elif button_c.is_pressed:
display.set_pen(BLACK)
display.clear()
display.set_pen(MAGENTA)
display.text("Button C pressed", 10, 10, WIDTH - 10, 3)
display.update()
time.sleep(1)
elif button_up.is_pressed:
display.set_pen(BLACK)
display.clear()
display.set_pen(YELLOW)
display.text("Button UP pressed", 10, 10, WIDTH - 10, 3)
display.update()
time.sleep(1)
elif button_down.is_pressed:
display.set_pen(BLACK)
display.clear()
display.set_pen(GREEN)
display.text("Button DOWN pressed", 10, 10, WIDTH - 10, 3)
display.update()
time.sleep(1)
elif button_boot.is_pressed:
display.set_pen(BLACK)
display.clear()
display.set_pen(BLUE)
display.text("Button BOOT/USR pressed", 10, 10, WIDTH - 10, 3)
display.update()
time.sleep(1)
else:
display.set_pen(BLACK)
display.clear()
display.set_pen(RED)
display.text("Press any button!", 10, 10, WIDTH, 3)
display.update()
time.sleep(0.1) # this number is how frequently Tufty checks for button presses