#!/usr/bin/env python
#
# Copyright (c) 2015 Max Vilimpoc
#
# References:
# http://stackoverflow.com/questions/24196932/how-can-i-get-the-ip-address-of-eth0-in-python

# https://github.com/intel-iot-devkit/upm/blob/master/examples/python/rgb-lcd.py

# Permission is hereby granted, free of charge, to any person obtaining

# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

import socket
import fcntl
import struct

import pyupm_i2clcd as lcd

def get_ip_address(ifname):
    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    return socket.inet_ntoa(fcntl.ioctl(
        s.fileno(),
        0x8915,  # SIOCGIFADDR
        struct.pack('256s', ifname[:15])
    )[20:24])

# Initialize Jhd1313m1 at 0x3E (LCD_ADDRESS) and 0x62 (RGB_ADDRESS)
myLcd = lcd.Jhd1313m1(0, 0x3E, 0x62)

# Clear
myLcd.clear()

# Green
myLcd.setColor(255, 255, 0)

# Zero the cursor
myLcd.setCursor(0,0)

# Print it.
ip_address = get_ip_address('wlan0')
myLcd.write(ip_address)


Add WiFi IP to LCD
Add WiFi IP to LCD
