58 lines
1.3 KiB
Python
58 lines
1.3 KiB
Python
"""Simple test for RGB character LCD on Raspberry Pi"""
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import time
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import board
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import digitalio
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import adafruit_character_lcd.character_lcd as characterlcd
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# Modify this if you have a different sized character LCD
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lcd_columns = 16
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lcd_rows = 2
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# Raspberry Pi Pin Config:
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lcd_rs = digitalio.DigitalInOut(board.D26) # pin 4
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lcd_en = digitalio.DigitalInOut(board.D19) # pin 6
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lcd_d7 = digitalio.DigitalInOut(board.D27) # pin 14
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lcd_d6 = digitalio.DigitalInOut(board.D22) # pin 13
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lcd_d5 = digitalio.DigitalInOut(board.D24) # pin 12
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lcd_d4 = digitalio.DigitalInOut(board.D25) # pin 11
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lcd_backlight = digitalio.DigitalInOut(board.D4)
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red = digitalio.DigitalInOut(board.D21)
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green = digitalio.DigitalInOut(board.D12)
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blue = digitalio.DigitalInOut(board.D18)
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# Initialise the LCD class
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lcd = characterlcd.Character_LCD_RGB(
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lcd_rs,
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lcd_en,
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lcd_d4,
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lcd_d5,
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lcd_d6,
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lcd_d7,
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lcd_columns,
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lcd_rows,
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red,
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green,
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blue,
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lcd_backlight,
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)
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RED = [1, 0, 0]
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GREEN = [0, 1, 0]
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BLUE = [0, 0, 1]
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while True:
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lcd.clear()
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lcd.message = "CircuitPython\nRGB Test: RED"
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lcd.color = RED
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time.sleep(1)
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lcd.clear()
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lcd.message = "CircuitPython\nRGB Test: GREEN"
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lcd.color = GREEN
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time.sleep(1)
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lcd.clear()
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lcd.message = "CircuitPython\nRGB Test: BLUE"
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lcd.color = BLUE
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time.sleep(1)
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