1#!/usr/bin/env python
2
3# Author: Brendan Le Foll <brendan.le.foll@intel.com>
4# Copyright (c) 2014 Intel Corporation.
5#
6# Permission is hereby granted, free of charge, to any person obtaining
7# a copy of this software and associated documentation files (the
8# "Software"), to deal in the Software without restriction, including
9# without limitation the rights to use, copy, modify, merge, publish,
10# distribute, sublicense, and/or sell copies of the Software, and to
11# permit persons to whom the Software is furnished to do so, subject to
12# the following conditions:
13#
14# The above copyright notice and this permission notice shall be
15# included in all copies or substantial portions of the Software.
16#
17# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE
24
25import mraa
26
27# This example will change the LCD backlight on the Grove-LCD RGB backlight
28# to a nice shade of purple
29x = mraa.I2c(0)
30x.address(0x62)
31
32# initialise device
33x.writeReg(0, 0)
34x.writeReg(1, 0)
35
36# sent RGB color data
37x.writeReg(0x08, 0xAA)
38x.writeReg(0x04, 255)
39x.writeReg(0x02, 255)
40