def init():
global lcd
if version == 0:
lcd = Adafruit_CharLCDPlate(busnum=0)
lcd.clear()
lcd.backlight(lcd.ON)
elif version == 1:
lcd = Adafruit_CharLCDPlate(busnum=1)
lcd.clear()
lcd.backlight(lcd.ON)
else:
quit("Raspberry Pi Version Error!")
lcd.clear()
lcd.backlight(lcd.ON)
lcd.message('News Client\nfor Raspberry Pi')
time.sleep(1)
lcd.clear()
lcd.message('Version 1.0\nTom Paulus 2013')
time.sleep(1)
lcd.clear()
def get_ip_address(ifname):
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
return socket.inet_ntoa(fcntl.ioctl(s.fileno(), 0x8915, struct.pack('256s', ifname[:15]))[20:24])
while ip is None and interface <= 10:
try:
ip = get_ip_address('eth' + str(interface))
except IOError:
pass
try:
ip = get_ip_address('wlan' + str(interface))
except IOError:
pass
interface += 1
if ip is not None:
lcd.message('My IP address is:\n' + get_ip_address('wlan0'))
else:
lcd.backlight(lcd.RED)
lcd.message("It seems that I\ndon't have an IP")
while not lcd.buttonPressed(lcd.SELECT):
time.sleep(.1)
lcd.clear()
lcd.backlight(lcd.OFF)
GPIO.setmode(GPIO.BCM) # For Demo Only
GPIO.setup(25, GPIO.IN, pull_up_down=GPIO.PUD_DOWN) # For Demo Only
try:
info = open(LocationData)
data = info.readlines()
length = int(str(data).count(',')) + 1
l1 = data[0].split(',')
for x in range(0, length):
l2 = l1[x].split(':')
locations[str(x) + 's'] = l2[0]
locations[str(x) + 'c'] = l2[1]
info.close()
except IOError:
lcd.message('Welcome\nNew User!')
print 'Adding New Location...'
State = raw_input(
'Enter The name of the State your desired location is in, using the abbreviation -CA\n'
)
City = raw_input('Now, Enter the name of the City\n')
print '\nThank You!'
State = State.upper()
City = City.capitalize()
if not os.path.exists(app_info_folder):
os.makedirs(app_info_folder)
info = open(LocationData, 'w')
info.write(State + ':' + City)
locations = {'0' + 's': State, '0' + 'c': City}
info.close()
lcd.clear()
lcd.backlight(lcd.ON)
try:
info = open(LocationData)
data = info.readlines()
length = int(str(data).count(',')) + 1
l1 = data[0].split(',')
for x in range (0,length):
l2 = l1[x].split(':')
locations[str(x)+'s'] = l2[0]
locations[str(x)+'c'] = l2[1]
info.close()
except IOError:
lcd.message('Welcome\nNew User!')
print 'Adding New Location...'
State = raw_input('Enter The name of the State your desired location is in, using the abbreviation -CA\n')
City = raw_input('Now, Enter the name of the City\n')
print '\nThank You!'
State = State.replace('\n', '').upper()
City = City.replace('\n', '').capitalize()
if not os.path.exists(app_info_folder):
os.makedirs(app_info_folder)
info = open(LocationData, 'w')
info.write(State + ':' + City)
locations = {'0' + 's': State, '0' + 'c': City}
info.close()
try:
pram = open(parameters,'r')
if color == lcd.ON:
color = lcd.GREEN
elif color == lcd.GREEN:
color = lcd.OFF
else:
color = lcd.ON
for i in range(3):
lcd.backlight(color)
sleep(.01)
sleep(bounce/1000)
try:
GPIO.add_event_detect(green, GPIO.RISING, callback=colorChange, bouncetime=bounce)
while True:
GPIO.output(statusLED, True) # Status Led On
l = movavg(light_Average, 4, analogRead(light_adc)) # Read the light sensor and calculate the average
lcd.home() # Tell the LCD to go back to the first character
lcd.message('Pot: ' + str(analogRead(pot_adc)) + ' \nLight: ' + str(l) + ' ') # Print info
GPIO.output(statusLED, False) # Status Led Off
sleep(rate) # Wait a little
except KeyboardInterrupt:
GPIO.output(statusLED, False)
spi.close()
finally:
lcd.clear()
lcd.backlight(lcd.OFF)
GPIO.cleanup()
ave_list.append(value)
if length < len(ave_list):
del ave_list[0]
value = 0
for x in ave_list[:]:
value += x
return value / len(ave_list)
try:
while True:
# Change the Back-light based on what button has been pressed
if lcd.buttonPressed(lcd.DOWN):
lcd.backlight(lcd.ON)
if lcd.buttonPressed(lcd.UP):
lcd.backlight(lcd.OFF)
lcd.home() # Tell the LCD to go back to the first character
GPIO.output(statusLED, True) # Status Led On
lcd.message('Potentiometer:\n' + str(
movavg(l, 4, analogRead(pot_adc))) + ' ') # Read analog value and send it to the display
sleep(.1) # Wait a little
GPIO.output(statusLED, False) # Status Led off
sleep(.155) # Wait a bit longer
except KeyboardInterrupt:
GPIO.output(statusLED, False)
spi.close()
finally:
lcd.clear()
lcd.backlight(lcd.OFF)
GPIO.cleanup()
color = lcd.ON
for i in range(3):
lcd.backlight(color)
sleep(.01)
sleep(bounce / 1000)
try:
GPIO.add_event_detect(green,
GPIO.RISING,
callback=colorChange,
bouncetime=bounce)
while True:
GPIO.output(statusLED, True) # Status Led On
l = movavg(light_Average, 4, analogRead(
light_adc)) # Read the light sensor and calculate the average
lcd.home() # Tell the LCD to go back to the first character
lcd.message('Pot: ' + str(analogRead(pot_adc)) + ' \nLight: ' +
str(l) + ' ') # Print info
GPIO.output(statusLED, False) # Status Led Off
sleep(rate) # Wait a little
except KeyboardInterrupt:
GPIO.output(statusLED, False)
spi.close()
finally:
lcd.clear()
lcd.backlight(lcd.OFF)
GPIO.cleanup()
