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1		-XWiki.Edwin
	1	+XWiki.Kilight

Content

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12	12	)))
13	13
14	14
15		-== 2. Connect GPS Antenna to Cellular modules ==
	15	+= 2. Use Cellular Module GPS feature for LoRaWAN Timing. =
16	16
17		-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.
	17	+== 2.1 Configure on LG308N / LPS8N ==
18	18
19		-**For LPS8v2:**
20		-
21		-[[image:image-20231208153214-1.png||height="426" width="590"]]
22		-
23		-
24		-**For LG308N:**
25		-
26		-[[image:image-20220527160148-2.png]]
27		-
28		-
29		-= 3. Use Cellular Module GPS feature for LoRaWAN Timing. =
30		-
31		-== 3.1 Configure on LG308N / LPS8N ==
32		-
33	33	(((
34	34	(% style="color:blue" %)**Below are the steps:**
35	35	)))
...	...	@@ -38,7 +38,14 @@
38	38	**~1. Open the box and connect GPS antenna to GNSS port of EC25**
39	39	)))
40	40
	27	+[[image:image-20220527160148-2.png]]
	28	+
	29	+Connect GPS antenna
	30	+
	31	+
	32	+(((
41	41	**2. modify the two files:**
	34	+)))
42	42
43	43	(((
44	44	/etc/chatscripts/3g.chat
...	...	@@ -117,7 +117,7 @@
117	117	)))
118	118
119	119
120		-== 3.2. Configure on LPS8v2 ==
	113	+== 2.2. Configure on LPS8v2 ==
121	121
122	122	(((
123	123	(% style="color:blue" %)**Below are the steps:**
...	...	@@ -127,6 +127,11 @@
127	127	**~1. Open the box and connect GPS antenna to GNSS port of EC25**
128	128	)))
129	129
	123	+[[image:image-20231208153214-1.png||height="426" width="590"]]
	124	+
	125	+Connect GPS antenna
	126	+
	127	+
130	130	**2. modify the two files:**
131	131
132	132	/etc/rc.local
...	...	@@ -181,7 +181,7 @@
181	181	json_add_boolean "mac2file" 0
182	182	json_add_boolean "mac2db" 0
183	183	json_add_string "log_mask" "1111"
184		- (% 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**(%%)
	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**(%%)
185	185	json_add_double "ref_latitude" "$latitude"
186	186	json_add_double "ref_longitude" "$longitude"
187	187	json_add_double "ref_altitude" "$altitude"
...	...	@@ -198,63 +198,8 @@
198	198
199	199
200	200
201		-= 4. Use Cellular Module GPS feature for System Timing. =
	199	+= 3. Use Cellular Module GPS feature for System Timing. =
202	202
203		-== 4.1 Configure on LPS8v2 ==
	201	+== 3.1 Configure on LPS8v2 ==
204	204
205		-This introduction shows how to use the Cellular Module GPS feature for System Timing.
206		-
207		-
208		-1. Download script from dragino site and move it to properly directory
209		-
210		-(% class="box" %)
211		-(((
212		-root@dragino-e4e891:# wget http://repo.dragino.com/release/tool/gpstime/gpstodate.sh
213		-2023-12-21 07:25:25 http://repo.dragino.com/release/tool/gpstime/gpstodate.sh
214		-Resolving repo.dragino.com (repo.dragino.com)... 47.89.8.92
215		-Connecting to repo.dragino.com (repo.dragino.com)|47.89.8.92|:80... connected.
216		-HTTP request sent, awaiting response... 200 OK
217		-Length: 1114 (1.1K) [application/octet-stream]
218		-Saving to: ‘gpstodate.sh’
219		-
220		-gpstodate.sh 100%[===========================================================================================================>] 1.09K .-KB/s in 0s
221		-
222		-2023-12-21 07:25:25 (16.5 MB/s) - ‘gpstodate.sh’ saved [1114/1114]
223		-
224		-root@dragino-e4e891:# chmod +x gpstodate.sh;mv gpstodate.sh /usr/bin/
225		-root@dragino-e4e891:#
226		-)))
227		-
228		-2. Run **cat /dev/ttyUSB1** to check if the GPS location is successful.
229		-
230		-[[image:image-20231221153129-1.png||height="440" width="632"]]
231		-
232		-
233		-3. Run the **date** and  **/usr/bin/gpstodate.sh** **&** to check if the system time is correct
234		-
235		-
236		-4. Add **gpstodate.sh** to cron work **/etc/rc.local** , LPS8v2 will Use Cellular Module GPS feature for System Timing automatically on boot
237		-
238		-(% class="box" %)
239		-(((
240		-#!/bin/sh -e
241		-#
242		-# rc.local
243		-#
244		-# This script is executed at the end of each multiuser runlevel.
245		-# Make sure that the script will "exit 0" on success or any other
246		-# value on error.
247		-#
248		-# In order to enable or disable this script just change the execution
249		-# bits.
250		-#
251		-# By default this script does nothing.
252		-
253		-echo 0 > /sys/class/leds/dragino\:blue\:opt/brightness
254		-echo 0 > /sys/class/leds/dragino\:green\:stat/brightness
255		-echo 0 > /sys/class/leds/dragino\:red\:sys/brightness
256		-(% style="color:red" %)**echo AT+QGPS=1 > /dev/ttyUSB2**(%%)
257		-(% style="color:red" %)**/usr/bin/gpstodate.sh**
258		-
259		-exit 0
260		-)))
	203	+