test sketch

Author: Your Name

Adafruit_CharLCDPlate/LCDtest.py

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+#!/usr/bin/pythonhttp://raspberrypi.local/editor
+
+#
+# based on code from lrvick and LiquidCrystal
+# lrvic - https://github.com/lrvick/raspi-hd44780/blob/master/hd44780.py
+# LiquidCrystal - https://github.com/arduino/Arduino/blob/master/libraries/LiquidCrystal/LiquidCrystal.cpp
+#
+
+from time import sleep
+from Adafruit_I2C import Adafruit_I2C
+from Adafruit_MCP230xx import Adafruit_MCP230XX
+from Adafruit_CharLCDPlate import Adafruit_CharLCD
+
+import smbus
+
+
+# initialize the LCD (the pins are 'fixed', dont change the numbers!)
+
+lcd = Adafruit_CharLCD(15, 13, [12,11,10,9], 14)
+# clear display
+lcd.clear()
+# hello!
+lcd.message("Adafruit RGB LCD\nPlate w/Keypad!")
+sleep(1)
+
+# first loop, just changes the color
+lcd.backlight(lcd.RED)
+sleep(.5)
+lcd.backlight(lcd.YELLOW)
+sleep(.5)
+lcd.backlight(lcd.GREEN)
+sleep(.5)
+lcd.backlight(lcd.TEAL)
+sleep(.5)
+lcd.backlight(lcd.BLUE)
+sleep(.5)
+lcd.backlight(lcd.VIOLET)
+sleep(.5)
+lcd.backlight(lcd.ON)
+sleep(.5)
+lcd.backlight(lcd.OFF)
+sleep(.5)
+
+while 1:
+	if (lcd.buttonPressed(lcd.LEFT)):
+		lcd.clear()
+		lcd.message("Red Red Wine")
+		lcd.backlight(lcd.RED)
+
+	if (lcd.buttonPressed(lcd.UP)):
+		lcd.clear()
+		lcd.message("Sita Sings \nthe blues")
+		lcd.backlight(lcd.BLUE)
+
+	if (lcd.buttonPressed(lcd.DOWN)):
+		lcd.clear()
+		lcd.message("I see fields\nof green");
+		lcd.backlight(lcd.GREEN)
+
+	if (lcd.buttonPressed(lcd.RIGHT)):
+		lcd.clear()
+		lcd.message("Purple mountain\n majesties");
+		lcd.backlight(lcd.VIOLET)
+
+	if (lcd.buttonPressed(lcd.SELECT)):
+		lcd.clear()
+		lcd.backlight(lcd.ON)
+
+