1 #!/usr/bin/env python 2 3 # Author: Brendan Le Foll <brendan.le.foll (at] 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 25 import mraa 26 27 # This example will change the LCD backlight on the Grove-LCD RGB backlight 28 # to a nice shade of purple 29 x = mraa.I2c(0) 30 x.address(0x62) 31 32 # initialise device 33 x.writeReg(0, 0) 34 x.writeReg(1, 0) 35 36 # sent RGB color data 37 x.writeReg(0x08, 0xAA) 38 x.writeReg(0x04, 255) 39 x.writeReg(0x02, 255) 40
