<
From version < 20.1 >
edited by Kilight Cao
on 2023/12/21 17:57
To version < 25.1
edited by Xiaoling
on 2024/07/31 17:46
Change comment: There is no comment for this version

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Author
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1 -XWiki.Kilight
1 +XWiki.Xiaoling
Content
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12 12  )))
13 13  
14 14  
15 -= 2. Use Cellular Module GPS feature for LoRaWAN Timing. =
15 += 2. Connect GPS Antenna to Cellular modules =
16 16  
17 -== 2.1 Configure on LG308N / LPS8N ==
18 18  
18 +Connect GNSS port to GPS antenna. The connector type is i-pex connector, please make sure the GPS antenna can be extended outdoor for GPS signal.
19 +
20 +**For LPS8v2:**
21 +
22 +[[image:image-20231208153214-1.png||height="426" width="590"]]
23 +
24 +
25 +**For LG308N:**
26 +
27 +[[image:image-20220527160148-2.png]]
28 +
29 +
30 += 3. Use Cellular Module GPS feature for LoRaWAN Timing. =
31 +
32 +== 3.1 Configure on LG308N / LPS8N ==
33 +
19 19  (((
35 +
36 +
20 20  (% style="color:blue" %)**Below are the steps:**
21 21  )))
22 22  
... ... @@ -24,14 +24,7 @@
24 24  **~1. Open the box and connect GPS antenna to GNSS port of EC25**
25 25  )))
26 26  
27 -[[image:image-20220527160148-2.png]]
28 -
29 -Connect GPS antenna
30 -
31 -
32 -(((
33 33  **2. modify the two files:**
34 -)))
35 35  
36 36  (((
37 37  /etc/chatscripts/3g.chat
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110 110  )))
111 111  
112 112  
113 -== 2.2. Configure on LPS8v2 ==
123 +== 3.2. Configure on LPS8v2 ==
114 114  
115 115  (((
126 +
127 +
116 116  (% style="color:blue" %)**Below are the steps:**
117 117  )))
118 118  
... ... @@ -120,11 +120,6 @@
120 120  **~1. Open the box and connect GPS antenna to GNSS port of EC25**
121 121  )))
122 122  
123 -[[image:image-20231208153214-1.png||height="426" width="590"]]
124 -
125 -Connect GPS antenna
126 -
127 -
128 128  **2. modify the two files:**
129 129  
130 130  /etc/rc.local
... ... @@ -179,7 +179,7 @@
179 179   json_add_boolean "mac2file" 0
180 180   json_add_boolean "mac2db" 0
181 181   json_add_string "log_mask" "1111"
182 - (% style="color:red" %)**json_add_string "gps_tty_path" "/dev/ttyUSB1"   ~-~-~-~--> Add this line so lora program knows to get the gps info from EC25**(%%)
189 + (% style="color:red" %)**json_add_string "gps_tty_path" "/dev/ttyUSB1"   ~-~-~-~--> Add this line so lora program knows to get the gps info from EC25**(%%)
183 183   json_add_double "ref_latitude" "$latitude"
184 184   json_add_double "ref_longitude" "$longitude"
185 185   json_add_double "ref_altitude" "$altitude"
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195 195  [[image:image-20231208161058-5.png||height="548" width="965"]]
196 196  
197 197  
205 += 4. Use Cellular Module GPS feature for System Timing. =
198 198  
199 -= 3. Use Cellular Module GPS feature for System Timing. =
207 +== 4.1 Configure on LPS8v2 ==
200 200  
201 -== 3.1 Configure on LPS8v2 ==
202 202  
203 203  This introduction shows how to use the Cellular Module GPS feature for System Timing.
204 204  
... ... @@ -205,7 +205,7 @@
205 205  
206 206  1. Download script from dragino site and move it to properly directory
207 207  
208 -(% class="box infomessage" %)
215 +(% class="box" %)
209 209  (((
210 210  root@dragino-e4e891:# wget http://repo.dragino.com/release/tool/gpstime/gpstodate.sh
211 211  2023-12-21 07:25:25 http://repo.dragino.com/release/tool/gpstime/gpstodate.sh
... ... @@ -231,4 +231,39 @@
231 231  3. Run the **date** and  **/usr/bin/gpstodate.sh** **&** to check if the system time is correct
232 232  
233 233  
241 +4. Add **gpstodate.sh** to cron work **/etc/rc.local** , LPS8v2 will Use Cellular Module GPS feature for System Timing automatically on boot
242 +
243 +(% class="box" %)
244 +(((
245 +#!/bin/sh -e
246 +#
247 +# rc.local
248 +#
249 +# This script is executed at the end of each multiuser runlevel.
250 +# Make sure that the script will "exit 0" on success or any other
251 +# value on error.
252 +#
253 +# In order to enable or disable this script just change the execution
254 +# bits.
255 +#
256 +# By default this script does nothing.
257 +
258 +echo 0 > /sys/class/leds/dragino\:blue\:opt/brightness
259 +echo 0 > /sys/class/leds/dragino\:green\:stat/brightness
260 +echo 0 > /sys/class/leds/dragino\:red\:sys/brightness
261 +(% style="color:red" %)**echo AT+QGPS=1 > /dev/ttyUSB2**(%%)
262 +(% style="color:red" %)**/usr/bin/gpstodate.sh**
263 +
264 +exit 0
265 +)))
266 +
267 +
268 += 5. Use external GPS module =
269 +
270 +
271 +
272 +== 5.1 Set up for LoRaWAN Time ==
273 +
274 +== 5.2 Set up for System Time ==
275 +
234 234  
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