46 lines
1.2 KiB
Python
46 lines
1.2 KiB
Python
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import pygame
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import os
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from time import sleep
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import RPi.GPIO as GPIO
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#Note #21 changed to #27 for rev2 Pi
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button_map = {23:(255,0,0), 22:(0,255,0), 27:(0,0,255), 17:(0,0,0)}
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#Setup the GPIOs as inputs with Pull Ups since the buttons are connected to GND
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GPIO.setmode(GPIO.BCM)
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for k in button_map.keys():
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GPIO.setup(k, GPIO.IN, pull_up_down=GPIO.PUD_UP)
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#Colours
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WHITE = (255,255,255)
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os.putenv('SDL_FBDEV', '/dev/fb1')
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pygame.init()
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pygame.mouse.set_visible(False)
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lcd = pygame.display.set_mode((320, 240))
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lcd.fill((0,0,0))
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pygame.display.update()
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font_big = pygame.font.Font(None, 100)
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while True:
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for event in pygame.event.get():
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if event.type == pygame.KEYDOWN:
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lcd.fill((0,0,0))
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text_surface = font_big.render(event.unicode, True, WHITE)
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rect = text_surface.get_rect(center=(160,120))
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lcd.blit(text_surface, rect)
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pygame.display.update()
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# Scan the buttons
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# for (k,v) in button_map.items():
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# if GPIO.input(k) == False:
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# lcd.fill(v)
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# text_surface = font_big.render('%d'%k, True, WHITE)
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# rect = text_surface.get_rect(center=(160,120))
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# lcd.blit(text_surface, rect)
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# pygame.display.update()
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# sleep(0.1)
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