#!/usr/bin/python

# -*- coding: utf-8 -*-

#

# Display currently _must_ be 4x20 LCD attached via I2C.

# If not some routines must be changed which currently assumes that.

# We are using:

# 1. RSS feed reader

# 2. Homematic CCU2 to read temperature from each thermostat in

# our home

# 3. Weather forecast via openweathermap.org

# 4. System statistics derived from a freely available example

# for RaspberryPi's

#

import time

import sys

import getopt

import lcddriver

import re

import subprocess

import os

import signal

import Adafruit_DHT

import ccu2_lib

import rss_lib

import weather_lib

import sysinfo_lib

import RPi.GPIO as GPIO

import feedparser

import thread

# I2C LCD settings

LCD_WIDTH = 20 # Zeichen je Zeile

LCD_HEIGHT = 4 # Zeilen

# RSS feed settings

feed_url = 'http://www.tagesschau.de/xml/rss2'

feed_db = 'feeds.db'

# DISPLAY Settings

REFRESH_TIME = 4 # Seconds

# CCU2 url

ccu2_url = 'http://homematic-ccu2/config/xmlapi/'

# Temperature Sensor

dht11_pin = 10

sensor = Adafruit_DHT.DHT11

humidity = 0.0

temperature = 0.0

# Buttons

PIR_PIN = 17

SW0_PIN = 16

SW1_PIN = 20

SW2_PIN = 21

MODE_CLOCK=0

MODE_RSS=1

MODE_TEMP=2

last_motion = 'N/A'

last_button = 'N/A'

mode = MODE_CLOCK

def MOTION_FALLING(pin):

mode = MODE_TEMP

def MOTION_RISING(pin):

#print(" last_motion: " + last_motion)

def init_buttons():

print("err: Registering Button GPIOs failed!")

# General stuff for debugging

verbose = False

def lcd_banner(lcd):

print("Hoppla. Es ist etwas schief gelaufen!")

def lcd_print_text(lcd, text):

time.sleep(REFRESH_TIME)

def lcd_temperatures(lcd):

time.sleep(REFRESH_TIME)

def lcd_weather(lcd):

lcd_print_text(lcd, weather_list)

def lcd_statistics(lcd):

lcd_print_text(lcd, sysinfo_list)

# Set up the custom character maps

segs = [[0b11111, 0b11111, 0b11111, 0b00000, 0b00000, 0b00000, 0b00000, 0b00000],

[0b00111, 0b01111, 0b11111, 0b11111, 0b11111, 0b11111, 0b11111, 0b11111]]

def lcd_create_bigfont(lcd):

for i in range(8):

lcd.lcd_clear()

lcd.lcd_create_char(i, segs[i])

# Create digits and stuff from the custom characters

digits = [["\x07\x00\x01", "\x02\x03\x04"], # 0

["\x07\x05\x01", "\xfe\xfe\xff"]] # 9

colon = ["\xa5", "\xa5"]

space = ["\xfe", "\xfe"]

# Append a "big" character to two lines of text for the LCD

def writeChar(glyph, lines):

lines[0] += glyph[0] #+ "\xfe"

lines[1] += glyph[1] #+ "\xfe"

# Quick and dirty clock implementation

def writeTime(lcd):

lcd.message(lines[i], i + 2)

def measure_temperature( threadName, delay):

time.sleep(delay)

def init_temperature_measurement():

print "Error: unable to start temperature measurement thread"

def lcd_bigfont_clock(lcd):

time.sleep(0.10)

def usage():

print("rss_ready.py [-h] [-v]")

def main(argv):

lcd_weather(lcd)

if __name__ == "__main__":

main(sys.argv[1:])