Added the code which is running on the Raspi for serial communication…

… and talking to the website

Raspberry_Pi_Code/549_demo_get.py

@@ -0,0 +1,29 @@
+import urllib, json
+
+def set_method():
+    tagID = raw_input("Enter the tag ID")
+    B = raw_input("Enter the distance between two tags")
+    r1 = raw_input("Enter distance between anchor 1 and tag")
+    r2 = raw_input("Enter distance between anchor 2 and tag")
+    url = "https://test-server-549.herokuapp.com/testServer/set/" + tagID + "/" + B + "/" + r1 + "/" + r2
+    urllib.urlopen(url)
+
+def get_method():
+    tagID = raw_input("Enter the tag ID")
+    url = 'https://test-server-549.herokuapp.com/testServer/get/' + tagID
+    response = urllib.urlopen(url)
+    data = json.loads(response.read())
+    print data
+
+def read_from_cli():
+    while(1):
+        print "Enter either set or get -"
+        command = raw_input()
+        if command == "set":
+            set_method()
+        elif command == "get":
+            get_method()
+        else:
+            print "Your input is invalid"
+
+read_from_cli()

Raspberry_Pi_Code/549_serial.py

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+import serial
+
+def main():
+    ser = serial.Serial(
+        port='/dev/ttyUSB0',
+        baudrate=9600
+    )
+
+    ser.isOpen()
+
+    print "Opened the port"
+
+    out = ""
+    while(1):
+        outChar = ser.read(1)
+        if(outChar == "\n"):
+            print out + outChar
+        else:
+            out += outChar
+
+
+main()