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#!/usr/bin/python
# Example using a character LCD plate.
import time
import Adafruit_CharLCD as LCD
# Initialize the LCD using the pins
lcd = LCD.Adafruit_CharLCDPlate()
# create some custom characters
lcd.create_char(1, [2, 3, 2, 2, 14, 30, 12, 0])
lcd.create_char(2, [0, 1, 3, 22, 28, 8, 0, 0])
lcd.create_char(3, [0, 14, 21, 23, 17, 14, 0, 0])
lcd.create_char(4, [31, 17, 10, 4, 10, 17, 31, 0])
lcd.create_char(5, [8, 12, 10, 9, 10, 12, 8, 0])
lcd.create_char(6, [2, 6, 10, 18, 10, 6, 2, 0])
lcd.create_char(7, [31, 17, 21, 21, 21, 21, 17, 31])
# Show some basic colors.
lcd.set_color(1.0, 0.0, 0.0)
lcd.clear()
lcd.message('RED \x01')
time.sleep(3.0)
lcd.set_color(0.0, 1.0, 0.0)
lcd.clear()
lcd.message('GREEN \x02')
time.sleep(3.0)
lcd.set_color(0.0, 0.0, 1.0)
lcd.clear()
lcd.message('BLUE \x03')
time.sleep(3.0)
lcd.set_color(1.0, 1.0, 0.0)
lcd.clear()
lcd.message('YELLOW \x04')
time.sleep(3.0)
lcd.set_color(0.0, 1.0, 1.0)
lcd.clear()
lcd.message('CYAN \x05')
time.sleep(3.0)
lcd.set_color(1.0, 0.0, 1.0)
lcd.clear()
lcd.message('MAGENTA \x06')
time.sleep(3.0)
lcd.set_color(1.0, 1.0, 1.0)
lcd.clear()
lcd.message('WHITE \x07')
time.sleep(3.0)
# Show button state.
lcd.clear()
lcd.message('Press buttons...')
# Make list of button value, text, and backlight color.
buttons = ( (LCD.SELECT, 'Select', (1,1,1)),
(LCD.LEFT, 'Left' , (1,0,0)),
(LCD.UP, 'Up' , (0,0,1)),
(LCD.DOWN, 'Down' , (0,1,0)),
(LCD.RIGHT, 'Right' , (1,0,1)) )
print('Press Ctrl-C to quit.')
while True:
# Loop through each button and check if it is pressed.
for button in buttons:
if lcd.is_pressed(button[0]):
# Button is pressed, change the message and backlight.
lcd.clear()
lcd.message(button[1])
lcd.set_color(button[2][0], button[2][1], button[2][2])
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