# display parliamentwatch number of supporters on serial tft display

# for the raspberry pi rev1 with the hobbytronics 1.8 inch lcd.

#

# http://www.hobbytronics.co.uk/tft-serial-display-18

#

# code is released under public domain using wtfpl v2.

# written 2015 by @5chdn <schoedon@abgeordnetenwatch.de>

#

# https://github.com/5chdn/serial-tft-parliamentwatch/

# https://twitter.com/5chdn

#

# requires python2, python2-pyserial

# requires serialtft: https://github.com/Gadgetoid/Serial-TFT-Python

import sys, os

import time, datetime

from time import strftime, strptime

# sys.path.append(os.path.abspath("/path/to/serial-tft-python"))

from serialtft import SerialTFT

# setup the serialtft library, we dont want to clean up the lcd on exit

# so specify false for clear_on_exit. we're not sure whether we are driving

# the serialtft within sane limits, so we will turn on flush.

#

# serialtft( device, baud_rate, clear_on_exit, flush )

tft = SerialTFT("/dev/ttyAMA0", 9600, False, True)

# read supporter count from file

# kindly ask support for API access (ref ticket #AW-3028)

count_file = "./counter" # adjust /path/to/.

modified_time = 0

supporter_count = "Err0"

try:

dump = open(count_file)

supporter_count = str(dump.read())

modified_time = int(os.path.getmtime(count_file))

modified_time = datetime.datetime.fromtimestamp(modified_time)

modified_time = modified_time.strftime("%d.%m.%Y %H:%M:%S")

except IOError:

print "Oops! Could not read file."

supporter_count = "Err1"

except ValueError:

print "Oops! Could not convert value(s)."

supporter_count = "Err2"

except:

print "Oops! Unknown error."

supporter_count = "Err3"

# initialize and clear the screen

tft.screen_rotation(SerialTFT.Rotation.landscape)

tft.bg_color(SerialTFT.Color.black)

tft.clear_screen()

# draw logos

tft.draw_bitmap("0icon.bmp", 0, SerialTFT.Screen.height_half-27)

tft.draw_bitmap("0icon.bmp", SerialTFT.Screen.width-32, SerialTFT.Screen.height_half-27)

# write organization title

tft.font_size(SerialTFT.Font.small)

tft.bg_color(SerialTFT.Color.black)

tft.fg_color(SerialTFT.Color.yellow)

tft.goto_pixel(SerialTFT.Screen.width_half-51,5)

tft.write("Abgeordnetenwatch")

tft.goto_pixel(SerialTFT.Screen.width_half-33,15)

tft.write("hat aktuell")

# write huge number of supporters

tft.font_size(SerialTFT.Font.large)

tft.fg_color(SerialTFT.Color.red)

tft.goto_pixel(SerialTFT.Screen.width_half-32,SerialTFT.Screen.height_half-22)

tft.write(supporter_count)

# write supporter subline

tft.font_size(SerialTFT.Font.small)

tft.fg_color(SerialTFT.Color.yellow)

tft.goto_pixel(SerialTFT.Screen.width_half-51,SerialTFT.Screen.height_half+13)

tft.write("Foerdermitglieder")

# write bottom line with timestamp

tft.font_size(SerialTFT.Font.small)

tft.fg_color(SerialTFT.Color.green)

tft.goto_pixel(SerialTFT.Screen.width_half-45,SerialTFT.Screen.height-19)

tft.write("Letztes Update:")

tft.goto_pixel(SerialTFT.Screen.width_half-54,SerialTFT.Screen.height-10)

tft.write(modified_time)