76 lines
1.5 KiB
Python
Executable file
76 lines
1.5 KiB
Python
Executable file
#!/usr/bin/python
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# Example using an RGB character LCD wired directly to Raspberry Pi or BeagleBone Black.
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import time
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import Adafruit_CharLCD as LCD
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# Raspberry Pi configuration:
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lcd_rs = 27 # Change this to pin 21 on older revision Raspberry Pi's
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lcd_en = 22
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lcd_d4 = 25
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lcd_d5 = 24
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lcd_d6 = 23
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lcd_d7 = 18
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lcd_red = 4
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lcd_green = 17
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lcd_blue = 7 # Pin 7 is CE1
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# BeagleBone Black configuration:
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# lcd_rs = 'P8_8'
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# lcd_en = 'P8_10'
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# lcd_d4 = 'P8_18'
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# lcd_d5 = 'P8_16'
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# lcd_d6 = 'P8_14'
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# lcd_d7 = 'P8_12'
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# lcd_red = 'P8_7'
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# lcd_green = 'P8_9'
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# lcd_blue = 'P8_11'
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# Define LCD column and row size for 16x2 LCD.
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lcd_columns = 16
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lcd_rows = 2
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# Alternatively specify a 20x4 LCD.
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# lcd_columns = 20
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# lcd_rows = 4
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# Initialize the LCD using the pins above.
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lcd = LCD.Adafruit_RGBCharLCD(lcd_rs, lcd_en, lcd_d4, lcd_d5, lcd_d6, lcd_d7,
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lcd_columns, lcd_rows, lcd_red, lcd_green, lcd_blue)
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# Show some basic colors.
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lcd.set_color(1.0, 0.0, 0.0)
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lcd.clear()
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lcd.message('RED')
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time.sleep(3.0)
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lcd.set_color(0.0, 1.0, 0.0)
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lcd.clear()
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lcd.message('GREEN')
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time.sleep(3.0)
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lcd.set_color(0.0, 0.0, 1.0)
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lcd.clear()
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lcd.message('BLUE')
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time.sleep(3.0)
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lcd.set_color(1.0, 1.0, 0.0)
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lcd.clear()
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lcd.message('YELLOW')
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time.sleep(3.0)
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lcd.set_color(0.0, 1.0, 1.0)
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lcd.clear()
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lcd.message('CYAN')
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time.sleep(3.0)
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lcd.set_color(1.0, 0.0, 1.0)
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lcd.clear()
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lcd.message('MAGENTA')
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time.sleep(3.0)
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lcd.set_color(1.0, 1.0, 1.0)
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lcd.clear()
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lcd.message('WHITE')
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time.sleep(3.0)
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