Completes IPP-157 and adds custom PLC IP Address entry from POCloud, increments version number to 7

POCloud_Driver/HTML/Device.html

@@ -0,0 +1,17 @@
+<form class='set_channel'>
+    <div class="row">
+        <div class="col-md-6">
+            <div class="form-group">
+                <label for="ipp_plcipaddress">PLC IP Address</label>
+                <input class="form-control" data-channelId="<%= channels['ipp.plcipaddress'].channelId %>"
+                    data-techName="<%=channels['ipp.plcipaddress'].techName %>"
+                    data-name="<%= channels['ipp.plcipaddress'].name %>"
+                    data-val="<%=channels['ipp.plcipaddress'].value %>"
+                    type="text"
+                    id="<%= channels['ipp.plcipaddress'].channelId %>"
+                    value="<%=channels['ipp.plcipaddress'].value %>">
+            </div>
+            <button class='btn btn-theme btn-block set_channel_btn' value='Save'>APPLY CHANGES</button>
+        </div>
+    </div>
+</form>

POCloud_Driver/config.txt

@@ -3,7 +3,7 @@
 "driverFileName":"ipp.py",
 "deviceName":"ipp",
 "driverId":"0090",
-"releaseVersion":"6",
+"releaseVersion":"7",
 "files": {
 	"file1":"ipp.py",
 	"file2":"micro800.py"

POCloud_Driver/ipp.py

@@ -3,12 +3,15 @@
 import threading
 import traceback
 import time
+import json
+import socket
+import os
 from device_base import deviceBase
 import micro800 as u800
 
 addr = '10.20.4.5'
 channels = {}
-version = "4"
+version = "7"
 
 
 e300_current = {
@@ -395,9 +398,27 @@ class start(threading.Thread, deviceBase):
 		self.daemon = True
 		self.version = version
 		self.device_address = addr
+		if os.path.exists('./plcaddr.json'):
+			with open('plcaddr.json', "rb") as addr_file:
+				data = json.loads(addr_file.read())
+				if data['plc_address']:
+					try:
+						socket.inet_aton(data['plc_address'])
+						addr = data['plc_address']
+						self.device_address = addr
+						print("USING {} AS PLC IP ADDRESS (FROM JSON)".format(addr))
+					except:
+						print("plc_address exists in plcaddr.json, but it's not a valid ip address")
+				else:
+					print("no plc_address in plcaddr.json")
+		else:
+			print("No stored plcaddr.json file. Let's create one...'")
+			with open("plcaddr.json", "wb") as addr_file:
+				json.dump({"plc_address": addr}, addr_file)
+		
 		self.finished = threading.Event()
 		threading.Thread.start(self)
-		self.sendtodbJSON("device_address", self.device_address, 0)
+		self.sendtodbJSON("plcipaddress", self.device_address, 0)
 		try:
 			self.setupChannels()
 		except:
@@ -497,3 +518,21 @@ class start(threading.Thread, deviceBase):
 			return channels[name].write(value)
 		except Exception, e:
 			print("Exception during genericSet: {}".format(e))
+
+	def ipp_plcipaddress(self, name, value):
+		global addr
+		value_ascii = value.encode('ascii', 'ignore')
+		try:
+			socket.inet_aton(value_ascii)
+			addr = value_ascii
+			self.device_address = addr
+			with open("plcaddr.json", "wb") as addr_file:
+				json.dump({"plc_address": addr}, addr_file)
+			print("Set PLC IP Address to {}".format(addr))
+			self.sendtodb("plcipaddress", addr, 0)
+			return True
+		except Exception, e:
+			r = "Unable to set PLC IP address to {}: {}".format(value_ascii, e)
+			print(r)
+			return r
+