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1		-{{box cssClass="floatinginfobox" title="**Contents**"}}
2		-{{toc/}}
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	1	+It is possible to GPS support in LG308 EC25 version so device will add location info to uplink packet to LoRaWAN server.
4	4
5		-= Paragraph 1 =
	3	+Below are the steps:
6	6
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	5	+Open the box and connect GPS antenna to GNSS port of EC25
8	8
9		-== Sub-paragraph ==
	7	+[[image:https://wiki.dragino.com/images/thumb/1/19/LG308_GPS_1.png/600px-LG308_GPS_1.png||height="359" width="600"]]
10	10
11		-Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
	9	+Connect GPS antenna
12	12
13		-== Sub-paragraph ==
14	14
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	12	+modify the two files:
16	16
17		-=== Sub-sub paragraph ===
	14	+/etc/chatscripts/3g.chat
18	18
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	16	+(% class="box" %)
	17	+(((
	18	+ABORT   BUSY
	19	+ABORT   'NO CARRIER'
	20	+ABORT   ERROR
	21	+REPORT  CONNECT
	22	+TIMEOUT 10
	23	+""      "AT&F"
	24	+OK      "ATE1"
	25	+(% style="color:red" %)OK  "AT+QGPS=1"   ~-~-> Add this line, so EC25 module GPS will be enable when dial up(%%)
	26	+(% style="color:black" %)OK      'AT+CGDCONT=1,"IP","$USE_APN"'
	27	+SAY     "Calling UMTS/GPRS"
	28	+TIMEOUT 30
	29	+OK      "ATD$DIALNUMBER"
	30	+CONNECT ' '
	31	+)))
20	20
	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
21	21
22		-= Paragraph 2 =
	35	+/usr/bin/generate-config.sh, after configure this, in the web page, select any frequency band and save to make this take affect.
23	23
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	37	+(% class="box" %)
	38	+(((
	39	+gen_gw_cfg() {
	40	+ json_init
	41	+ json_add_object gateway_conf
	42	+ json_add_string "gateway_ID" "$gwid"
	43	+ json_add_string "server_address" "$server"
	44	+ json_add_int "serv_port_up" "$upp"
	45	+ json_add_int "serv_port_down" "$dpp"
	46	+ json_add_int "stat_interval" "$stat"
	47	+ json_add_boolean "forward_crc_valid" 1
	48	+ json_add_boolean "forward_crc_error" 0
	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
	52	+}
	53	+)))
25	25
26		-== Sub-paragraph ==
	55	+Reboot the device and run logread -f to verify if GPS already works.
27	27
28		-Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
29		-
30		-== Sub-paragraph ==
31		-
32		-Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
	57	+(% class="box" %)
	58	+(((
	59	+Fri Mar  6 04:08:59 2020 daemon.info lora_pkt_fwd[3016]: ~(% style="color:red" %)INFO~~ GPS serial port path is configured to "/dev/ttyUSB1"
	60	+Fri Mar  6 04:08:59 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ [main] TTY port /dev/ttyUSB1 open for GPS synchronization
	61	+Fri Mar  6 04:09:00 2020 cron.err crond[1689]: time disparity of 4301528 minutes detected
	62	+Fri Mar  6 04:09:00 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ sockfd=4
	63	+Fri Mar  6 04:09:00 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ sockfd=5
	64	+Fri Mar  6 04:09:00 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ FPort Filter: 0
	65	+Fri Mar  6 04:09:00 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ DevAddrMask: 0x0
	66	+Fri Mar  6 04:09:34 2020 daemon.info lora_pkt_fwd[3016]: INFO: [jit] queue is empty
	67	+Fri Mar  6 04:09:34 2020 daemon.info lora_pkt_fwd[3016]: STAT~~ {"stat":{"time":"2020-03-06 04:09:34 UTC",(% style="color:red" %)"lati":22.70627,"long":114.24277,"alti":58,(%%)
	68	+(% style="color:black" %)"rxnb":0,"rxok":0,"rxfw":0,"ackr":0.0,"dwnb":0,"txnb":0}}
	69	+Fri Mar  6 04:09:35 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ [up] PUSH_ACK received in 293 ms
	70	+Fri Mar  6 04:09:35 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ [down] PULL_ACK received in 596 ms
	71	+)))