def show_clock():
str_time = time.strftime("%H%M")
fourletterphat.clear()
fourletterphat.print_str(str_time)
fourletterphat.set_decimal(1, int(time.time() % 2))
fourletterphat.show()
def showtime():
global debug
global fourchar_flag
global fourchar_payload
# old logic actually worked, to a point
fourchar_flag = False
str_time = time.strftime("%H%M")
flp.print_number_str(str_time)
if int(time.time()) % 2 == 0:
flp.set_decimal(1, 1)
else:
flp.set_decimal(1, 0)
flp.show()
time.sleep(0.1)
# new logic
# flp.print_str(" ")
# flp.show
# float_temp = float(fourchar_payload)
# flp.print_float(float_temp, decimal_digits=1, justify_right=True)
# flp.show()
# time.sleep(2)
# old logic
if fourchar_flag == True:
flp.print_str(" ")
flp.show
float_temp = float(fourchar_payload)
flp.print_float(float_temp, decimal_digits=1, justify_right=True)
flp.show()
time.sleep(2)
def _set_decimal(self, index, state):
""" set decimal at given index """
# should be called with _exec_with_lock
lights_off = self._settings.get("_lights_off")
if self._brightness > 0 and not lights_off:
display.set_decimal(index, state)
display.show()
def dispTemp():
#establish location, if city is two words use and underscore between them
#state use two letter abbreviation
city = "New_York"
state = "NY"
#build the url
url = "http://api.wunderground.com/api/API_KEY_HERE/conditions/q/" + state + "/" + city + ".json"
#request our url
f = urllib.request.urlopen(url)
#open and read the url
json_string = f.read()
#encode the url into strings instead of bytes
encoding = f.info().get_content_charset('utf-8')
#parse the encoded data into something we can use JSON with
parsed_json = json.loads(json_string.decode(encoding))
#grabbing specific datum with parsed JSON
temp_f = parsed_json['current_observation']['temp_f']
strTemp_f = (str)(temp_f)
#FourLetterPhat wasn't printing decimal so we are removing it
strippedTemp = strTemp_f.replace(".", "")
fourletterphat.clear()
#printing what we grabbed
fourletterphat.print_str(strippedTemp + "F")
#setting the decimal at 1 works for double digit temps/looking into how to get to to lineup for single or triple digit temps
fourletterphat.set_decimal(1, True)
fourletterphat.show()
#closing the url
f.close()
def on_message(client, userdata, msg):
"""The callback for when a PUBLISH message is received from the server."""
global g_mqtt_data
print(msg.topic + " -> " + str(msg.payload.decode('UTF-8')))
message_data = json.loads(str(msg.payload.decode('UTF-8')))
g_mqtt_data[msg.topic] = message_data
# Flash the rightmost decimal to show receipt of a message
flp.set_decimal(3, True)
flp.show()
time.sleep(.5)
flp.set_decimal(3, False)
flp.show()
time.sleep(.25)
flp.set_decimal(3, True)
flp.show()
time.sleep(.5)
flp.set_decimal(3, False)
flp.show()
#!/usr/bin/python
import time
import fourletterphat as flp
while True:
flp.print_str(time.strftime("%I%M"))
amp = time.strftime("%p")
if amp == "AM":
flp.set_decimal(1, 0)
else:
flp.set_decimal(1, 1)
flp.show()
time.sleep(0.1)
def time_string():
return time.strftime("%H%M")
while True:
flp.clear()
try:
if (time.strftime("%S") == "00"):
ctr = 1
str_time = full_string()
flp.scroll_print(str_time,0.5)
else:
str_time = time_string()
flp.print_number_str(str_time)
flp.set_decimal(1, int(time.time() % 2))
flp.show()
time.sleep(0.1)
except:
print('Error at{}'.format(full_string))# if exception 1 raised do this
data = urllib2.urlopen("https://www.bitstamp.net/api/ticker").read()
dataJSON = json.loads(data)
price = dataJSON["last"]
# Convert full number to XX.Xk
print(price)
# Decides where to place decimal, or if to use at all
if float(price) > 99 and float(price) < 1000:
flp.set_digit(1, price[1])
flp.set_digit(2, price[2])
flp.set_digit(3, price[3])
flp.set_decimal(2, True)
elif float(price) > 999 and float(price) <10000:
# If you prefer 9999 instead of 9,9K
flp.set_digit(0, price[0])
flp.set_digit(1, price[1])
flp.set_digit(2, price[2])
flp.set_digit(3, price[3])
# If you prefer 9,9K instead of 9999
#flp.set_digit(1, price[0])
#flp.set_digit(2, price[1])
#flp.set_decimal(1, True)
#flp.set_digit(3, "K")
elif float(price) > 9999 and float(price) < 100000:
flp.set_digit(0, price[0])
#!/usr/bin/env python
import time
import fourletterphat
from subprocess import Popen, PIPE
print("""
Four Letter pHAT: cpu-temp.py
This example will display your Pi's CPU
temperature in degrees celsius.
Press Ctrl+C to exit.
""")
while True:
# Get temp forom vcgencmd in the format: "temp=XY.Z'C"
# and reduce to the format "XYZC" for display
temp = Popen(["vcgencmd", "measure_temp"], stdout=PIPE)
temp = temp.stdout.read().decode('utf-8')
temp = temp[5:].replace(".", "").replace("'", "").strip()
fourletterphat.clear()
fourletterphat.print_str(temp)
fourletterphat.set_decimal(1, 1)
fourletterphat.show()
time.sleep(1)
display_message(['AQI'], [aqi, last_1hr_aqi])
if (wind_gust >= 10):
display_message(['GUST'], [wind_gust])
if (rain_rate > 0):
display_message(['RAIN', 'RATE'], [rain_rate])
display_message(['TEMP'], [temp])
display_message(['1H'], [temp_change])
display_message([], [temp])
display_message(['24H'], [temp_change_24h])
display_message([], [temp])
# Give the main display a rest at night and show a blinky pattern
else:
flp.clear()
for i in range(4):
flp.set_decimal(i, True)
flp.show()
time.sleep(.1)
flp.set_decimal(i, False)
flp.show()
time.sleep(8) # Total = 10s of sleep
time.sleep(2)
#!/usr/bin/env python
import time
import fourletterphat
print("""
Four Letter pHAT: clock.py
This example will display a simple HH/MM clock,
with a blinking decimal point to indicate seconds.
Press Ctrl+C to exit.
""")
while True:
fourletterphat.clear()
str_time = time.strftime("%H%M")
# Display the time
fourletterphat.print_number_str(str_time)
# Blink the middle decimal point
# int(time.time() % 2) will alternate 1 0 1 0
# which we can use to directly set the point
fourletterphat.set_decimal(1, int(time.time() % 2))
fourletterphat.show()
time.sleep(0.1)
#!/usr/bin/env python
import time
import fourletterphat as flp
test_chars = ["****", "0000"]
while True:
for char in test_chars:
flp.clear()
flp.print_str(char)
flp.show()
time.sleep(0.25)
for i in range(4):
flp.set_decimal(i, 1)
flp.show()
time.sleep(0.25)