Add basic UDP communication for sensor support

Server/Server-Code-2018/sensors.py

@@ -0,0 +1,33 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+# from py_read_serial import *
+import socket
+
+UDP_IP_ADDRESS = '127.0.0.1'
+UDP_PORT_NO = 6789
+clientSock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+
+# messages = {
+#     0: 'CO2: ',
+#     1: 'Temperature: '
+# }
+
+# numOfSensors = len(messages)
+
+while 1:
+    # for x in range(numOfSensors):
+    #     while 1:
+    #         try:
+    #             sensor = readPins() # sensor = {'num': sensorID, 'value': some number}
+    #             break
+    #         except:
+    #             pass
+    #     if sensor['num'] == 1:
+    #         sensor['value'] = round((57*(sensor['value']-20))/100,1)
+    #     # print(messages[sensor['num']][0], sensor['value'], messages[sensor['num']][1])
+    #     output = ""
+    #     output += messages[sensor['num']]
+    #     output += sensors['value']
+    clientSock.sendto(bytes('hey', 'utf-8'), (UDP_IP_ADDRESS, UDP_PORT_NO))

Server/sensors.js

@@ -0,0 +1,19 @@
+const { StringDecoder } = require('string_decoder');
+const decoder = new StringDecoder('utf-8');
+
+var dgram = require('dgram');
+var server = dgram.createSocket('udp4');
+
+var PORT = 6789;
+var HOST = '127.0.0.1';
+
+server.on('listening', function () {
+    var address = server.address();
+    console.log('UDP Server listening on ' + address.address + ":" + address.port);
+});
+
+server.on('message', function (message, remote) {
+    console.log(decoder.end(Buffer.from(message)));
+});
+
+server.bind(PORT, HOST);