Added POCloud driver

POCloud_Driver/vfdipp.py

@@ -0,0 +1,122 @@
+#!/usr/bin/python
+
+import types
+import traceback
+import binascii
+import threading
+import time
+import thread
+import os
+import struct
+import sys
+import serial
+import minimalmodbus
+import pickle
+import re
+from device_base import deviceBase
+import micro800 as u800
+
+import requests
+try:
+    import json
+except:
+    import simplejson as json
+
+channels = {}
+min_upload_time = 30
+addr = '192.168.1.20'
+
+
+def setupChannels():
+    with open('vfd_ipp_channels.p', 'rb') as ch_f:
+        channels = pickle.load(ch_f)
+#     tagJSObj = json.loads(requests.get(addr + "/json/tag").text)
+#     if tagJSObj['status'] == "OK":
+#         for t in tagJSObj['tags']:
+#             channel_name = re.sub(r'\W+', '', t['vanityName']).lower()
+#             channels[str(channel_name)] = {
+#                 'tagID': t['id'],
+#                 'last_value': -999,
+#                 'data_type': "float",
+#                 'last_time_uploaded': 0,
+#                 'change_amount': (t['maxExpected'] - t['minExpected']) / 20,
+#                 'min_time_between_uploads': min_upload_time
+#             }
+
+
+class start(threading.Thread, deviceBase):
+    def updateGPS(self):
+        gps = self.mcu.gps
+        print("GPS found me at {0}".format(gps))
+        self.sendtodb("gps", gps, 0)
+
+    def __init__(self, name=None, number=None, mac=None, Q=None, mcu=None, companyId=None, offset=None, mqtt=None, Nodes=None):
+        threading.Thread.__init__(self)
+        deviceBase.__init__(self, name=name, number=number, mac=mac, Q=Q, mcu=mcu, companyId=companyId, offset=offset, mqtt=mqtt, Nodes=Nodes)
+
+        self.daemon = True
+        self.version = "1"
+        self.device_address = addr
+        self.finished = threading.Event()
+        threading.Thread.start(self)
+        self.sendtodbJSON("device_address", self.device_address, 0)
+        setupChannels()
+        # self.updateGPS()
+    # this is a required function for all drivers, its goal is to upload some piece of data
+    # about your device so it can be seen on the web
+    def register(self):
+        channels["status"]["last_value"] = ""
+
+    def run(self):
+        self.runLoopStatus = ""
+        last_OK_state = 0
+        while True:
+            if len(channels) > 0:
+                try:
+                    for i in channels:
+                        runLoopStatus = i
+                        valData = u800.readMicroTag(self.device_address, channels[i]['tag'])
+                        if valData:
+                            nowVal = valData[0]
+                            ch = channels[i]
+                            if ch['data_type'] == "BOOL":
+                                if (not (ch['last_value'] == nowVal)) or ((time.time() - ch['last_time_uploaded']) > ch['min_time_between_uploads']):
+                                    self.sendtodbJSON(i, nowVal, 0)
+                                    ch['last_time_uploaded'] = time.time()
+                                    ch['last_value'] = nowVal
+                            if (ch['data_type'] == "REAL") or (ch['data_type'][-3:] == "INT"):
+                                if (abs(ch['last_value'] - nowVal) > ch['change_amount']) or ((time.time() - ch['last_time_uploaded']) > ch['min_time_between_uploads']):
+                                    self.sendtodbJSON(i, nowVal, 0)
+                                    ch['last_time_uploaded'] = time.time()
+                                    ch['last_value'] = nowVal
+
+                    runLoopStatus = "Complete"
+                    OK_state = 1
+                    if not OK_state == last_OK_state:
+                        self.sendtodbJSON("driver_ok", OK_state, 0)
+                        last_OK_state = OK_state
+                    time.sleep(3)
+                except Exception, e:
+                    OK_state = 0
+                    if not OK_state == last_OK_state:
+                        self.sendtodbJSON("driver_ok", OK_state, 0)
+                        last_OK_state = OK_state
+                    sleep_timer = 20
+                    print "Error during {0} of run loop: {1}\nWill try again in {2} seconds...".format(runLoopStatus, e, sleep_timer)
+                    time.sleep(sleep_timer)
+            else:
+                setupChannels()
+                time.sleep(30)
+
+    def vfdipp_sync(self, name, value):
+        self.sendtodb("connected", "true", 0)
+        return True
+
+    def vfdipp_address(self, name, value):
+        self.device_address = value
+        return True
+
+
+    def vfdipp_gpsUpdate(self, name, value):
+        updateGPS()
+        return True