-
Notifications
You must be signed in to change notification settings - Fork 5
/
GT06ScannerClient.py
263 lines (206 loc) · 7.29 KB
/
GT06ScannerClient.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
import datetime
import time
import crc_itu
import configReader
import displayLocation
import gpsScanner
import gt06Client
class GT06ScannerClient():
configReader = None
displayLocation = None
gt06Client = None
gpsScanner = None
scannerID = None
updateDelay = None
def __init__(
self,
configFile="config.xml",
scannerIDIn=None,
serverAddressIn=None,
serverPortIn=None,
updateDelayIn=None,
gpsPortIn=None,
gpsBaudIn=None,
mapsURLIn=None,
mapsZoomIn=None,
mapsMagnificationIn=None
):
self.configReader = configReader.ConfigReader(configFile)
serverAddress = self.configReader.getGT06ServerHostname()
gpsPort = self.configReader.getGPSDevicePort()
gpsBaud = int(self.configReader.getGPSDeviceBaud())
mapsURL = self.configReader.getMapsURL()
self.scannerID = self.configReader.getScannerID()
try:
serverPort = int(self.configReader.getGT06ServerPort())
except TypeError:
pass
try:
mapsZoom = int(self.configReader.getMapsZoom())
except TypeError:
mapsZoom = 16
try:
mapsMagnification = int(self.configReader.getMapsMagnification())
except TypeError:
mapsMagnification = 1
try:
self.updateDelay = int(self.configReader.getGT06ServerUpdateDelay())
except TypeError:
self.updateDelay = 1
if serverAddressIn:
serverAddress = serverAddressIn
if serverPortIn:
serverPort = int(serverPortIn)
if gpsPortIn:
gpsPort = gpsPortIn
if gpsBaudIn:
gpsBaud = int(gpsBaudIn)
if scannerIDIn:
self.scannerID = scannerIDIn
if updateDelayIn:
self.updateDelay = int(updateDelayIn)
if mapsURL and mapsZoom != None and mapsMagnification != None:
self.displayLocation = displayLocation.DisplayLocation(
mapsURL,
mapsZoom,
mapsMagnification
)
elif mapsURL and mapsZoom != None:
self.displayLocation = displayLocation.DisplayLocation(
mapsURL,
mapsZoom
)
elif mapsURL:
self.displayLocation = displayLocation.DisplayLocation(
mapsURL
)
if serverAddress and serverPort:
self.gt06Client = gt06Client.GT06Client(
serverAddress,
serverPort
)
self.gpsScanner = gpsScanner.GPSScanner(
gpsPort,
gpsBaud
)
def connectDevices(self):
self.gpsScanner.runLocate()
if self.gt06Client:
self.gt06Client.connect()
self.gt06Client.sendLoginMessage(
self.scannerID
)
def runScannerClient(self):
def makeGPSMessageFromHash(hashIn):
returnMessage = None
try:
messageOut = ""
courseString = ""
courseOut = 0
courseOut1 = 0
courseOut2 = 0
dateList = hashIn["date"].split("-")
timeList = hashIn["time"].split(":")
numSats = hashIn["satellitesInView"]
latitude = hashIn["latitude"]
latitudeDir = hashIn["latitudeDir"]
longitude = hashIn["longitude"]
longitudeDir = hashIn["longitudeDir"]
speed = hashIn["groundSpeedKnots"]
course = hashIn["course"]
messageOut += "{:02x}{:02x}{:02x}".format(
int(dateList[0]),
int(dateList[1]),
int(dateList[2])
)
messageOut += "{:02x}{:02x}{:02x}".format(
int(timeList[0]),
int(timeList[1]),
int(timeList[2])
)
messageOut += "{:01x}{:01x}".format(
12,
int(numSats)
)
latInHex = round(latitude*60.0*30000.0)
longInHex = round(longitude*60.0*30000.0)
messageOut += "{:08x}{:08x}".format(
latInHex,
longInHex
)
speed *= 1.852
if speed > 255:
speed = 255
messageOut += "{:02x}".format(
round(speed)
)
courseString += "11"
courseString += "11"
if longitudeDir == "E":
courseString += "0"
elif longitudeDir == "W":
courseString += "1"
else:
raise ValueError("Longitude direction is invalid.")
if latitudeDir == "S":
courseString += "0"
elif latitudeDir == "N":
courseString += "1"
else:
raise ValueError("Latitude direction is invalid.")
courseOut1 = int(courseString, 2)
courseOut1 = courseOut1 << 10
courseOut2 = int(course) % 360
courseOut = courseOut1 | courseOut2
messageOut += "{:04x}".format(courseOut)
returnMessage = messageOut
except:
pass
return returnMessage
def makeLatLongFromHash(hashIn):
latitude = None
longitude = None
try:
latitude = hashIn["latitude"]
latitudeDir = hashIn["latitudeDir"]
longitude = hashIn["longitude"]
longitudeDir = hashIn["longitudeDir"]
if longitudeDir == "E":
longitude *= 1
elif longitudeDir == "W":
longitude *= -1
else:
raise ValueError("Longitude direction is invalid.")
if latitudeDir == "S":
latitude *= -1
elif latitudeDir == "N":
latitude *= 1
else:
raise ValueError("Latitude direction is invalid.")
except:
pass
return (latitude, longitude)
prevTime = None
while True:
currTime = datetime.datetime.now()
locationHash = self.gpsScanner.getLocationHash()
gpsMessage = makeGPSMessageFromHash(
locationHash
)
latitude, longitude = makeLatLongFromHash(
locationHash
)
if self.displayLocation:
self.displayLocation.displayMapCoords(latitude, longitude)
else:
print(locationHash)
if not prevTime or (currTime - prevTime).seconds >= self.updateDelay:
if self.gt06Client and gpsMessage:
self.gt06Client.sendGPSMessage(gpsMessage)
prevTime = currTime
def disconnectDevices(self):
if self.displayLocation:
self.displayLocation.closeDisplay()
if self.gt06Client:
self.gt06Client.disconnect()
self.gpsScanner.stopLocate()