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1		-(((
2	2	It is possible to GPS support in LG308 EC25 version so device will add location info to uplink packet to LoRaWAN server.
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4	4
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6	6	Below are the steps:
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8	8
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10	10	Open the box and connect GPS antenna to GNSS port of EC25
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12	12
13		-[[image:image-20220527160148-2.png]]
	7	+[[image:https://wiki.dragino.com/images/thumb/1/19/LG308_GPS_1.png/600px-LG308_GPS_1.png||height="359" width="600"]]
14	14
15	15	Connect GPS antenna
16	16
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	11	+
18	18	modify the two files:
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20	20
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22	22	/etc/chatscripts/3g.chat
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24	24
25	25	(% class="box" %)
26	26	(((
...	...	@@ -31,7 +31,7 @@
31	31	TIMEOUT 10
32	32	""      "AT&F"
33	33	OK      "ATE1"
34		-(% style="color:red" %)**OK  "AT+QGPS=1"   ~-~-> Add this line, so EC25 module GPS will be enable when dial up**(%%)
	25	+(% style="color:red" %)OK  "AT+QGPS=1"   ~-~-> Add this line, so EC25 module GPS will be enable when dial up(%%)
35	35	(% style="color:black" %)OK      'AT+CGDCONT=1,"IP","$USE_APN"'
36	36	SAY     "Calling UMTS/GPRS"
37	37	TIMEOUT 30
...	...	@@ -39,17 +39,12 @@
39	39	CONNECT ' '
40	40	)))
41	41
42		-(((
43		-(% style="color:red" %)**Note: After above settings, the GPS will be enable when dial up, if user doesn't use Cellular for Internet access, above script won't execute, in this case, user can run "echo AT+QGPS=1 > /dev/ttyUSB2" to enable GPS**
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	33	+(% style="color:red" %)Note: After above settings, the GPS will be enable when dial up, if user doesn't use Cellular for Internet access, above script won't execute, in this case, user can run "echo AT+QGPS=1 > /dev/ttyUSB2" to enable GPS
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47	47	/usr/bin/generate-config.sh, after configure this, in the web page, select any frequency band and save to make this take affect.
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49	49
50	50	(% class="box" %)
51	51	(((
52		-(((
53	53	gen_gw_cfg() {
54	54	json_init
55	55	json_add_object gateway_conf
...	...	@@ -60,16 +60,13 @@
60	60	json_add_int "stat_interval" "$stat"
61	61	json_add_boolean "forward_crc_valid" 1
62	62	json_add_boolean "forward_crc_error" 0
63		- ** (% 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(%%)**
64		-(% style="color:black" %) json_close_object
65		- json_dump  > /etc/lora/local_conf.json
	49	+ (% 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(% style="color:black" %)
	50	+ json_close_object
	51	+ json_dump  > /etc/lora/local_conf.json
66	66	}
67	67	)))
68		-)))
69	69
70		-(((
71	71	Reboot the device and run logread -f to verify if GPS already works.
72		-)))
73	73
74	74	(% class="box" %)
75	75	(((

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