aiobasics: location

Author: brentru

examples/aio_basics/adafruitio_04_location.py

@@ -0,0 +1,58 @@
+"""
+'adafruitio_04_location.py'
+==================================
+Example of sending GPS data points 
+to an Adafruit IO Feed using the API
+
+Author(s): Brent Rubell, Todd Treece
+"""
+# Import python system libraries
+import time
+# Import Adafruit IO REST client.
+from Adafruit_IO import Client, Feed, RequestError
+
+# Set to your Adafruit IO key.
+ADAFRUIT_IO_USERNAME = 'YOUR-USERNAME'
+ADAFRUIT_IO_KEY = 'YOUR-KEY'
+
+# Create an instance of the REST client.
+aio = Client(ADAFRUIT_IO_USERNAME, ADAFRUIT_IO_KEY)
+
+# Assign a location feed, if one exists already
+try:
+    location = aio.feeds('location')
+except RequestError: # Doesn't exist, create a new feed
+    feed = Feed(name="location")
+    location = aio.create_feed(feed)
+
+# limit feed updates to every 3 seconds, avoid IO throttle
+loop_delay = 5
+
+# We dont' have a GPS hooked up, but let's fake it for the example/test:
+# (replace this data with values from a GPS hardware module)
+value = 0
+lat = 40.726190
+lon = -74.005334
+ele = 6 # elevation above sea level (meters)
+
+while True:
+    print('\nSending Values to location feed...\n')
+    print('\tValue: ', value)
+    print('\tLat: ', lat)
+    print('\tLon: ', lon)
+    print('\tEle: ', ele)
+    # Send location data to Adafruit IO
+    aio.send_location_data(location.key, value, lat, lon, ele)
+    # shift all values (for test/demo purposes)
+    value += 1
+    lat -= 0.01
+    lon += -0.02
+    ele += 1
+
+    # Read the location data back from IO
+    data = aio.receive(location.key)
+    print(data)
+    print('\nData from Adafruit IO Feed:\n')
+    print('\tValue: {0}\n\tLat: {1}\n\tLon: {2}\n\tEle: {3}'.format(data.value, data.lat, data.lon, data.ele))
+    # wait loop_delay seconds to avoid throttle
+    time.sleep(loop_delay)