#!/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])