Summary

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Details

Page properties

Title

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1		-Add GPS Support in LG308N / LPS8v2
	1	+Add GPS Support in LG308

Author

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1		-XWiki.Edwin
	1	+XWiki.Xiaoling

Content

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1		-**Table of Contents：**
2		-
3		-{{toc/}}
4		-
5		-
6	6	(((
7		-= 1. Introduction =
8		-
9		-----
10		-
11		-It is possible to GPS supports in LG308N-EC25 version and LPS8v2-EC25 version so device will add location info to uplink packet to LoRaWAN server.
	2	+It is possible to GPS support in LG308 EC25 version so device will add location info to uplink packet to LoRaWAN server.
12	12	)))
13	13
14		-
15		-= 2. Add GPS support on LG308N =
16		-
17	17	(((
18		-(% style="color:blue" %)**Below are the steps:**
	6	+Below are the steps:
19	19	)))
20	20
21	21	(((
22		-**~1. Open the box and connect GPS antenna to GNSS port of EC25**
	10	+Open the box and connect GPS antenna to GNSS port of EC25
23	23	)))
24	24
25	25	[[image:image-20220527160148-2.png]]
...	...	@@ -26,9 +26,8 @@
26	26
27	27	Connect GPS antenna
28	28
29		-
30	30	(((
31		-**2. modify the two files:**
	18	+modify the two files:
32	32	)))
33	33
34	34	(((
...	...	@@ -52,16 +52,17 @@
52	52	CONNECT ' '
53	53	)))
54	54
	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**
	44	+)))
55	55
56	56	(((
57		-(% 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 (% style="color:red" %)run "echo AT+QGPS=1 > /dev/ttyUSB2" (%%)to (% style="color:blue" %)enable GPS /usr/bin/generate-config.sh,(%%) after configure this, in the web page, select any frequency band and save to make this take affect.**
	47	+/usr/bin/generate-config.sh, after configure this, in the web page, select any frequency band and save to make this take affect.
58	58	)))
59	59
60		-
61	61	(% class="box" %)
62	62	(((
63	63	(((
64		-(((
65	65	gen_gw_cfg() {
66	66	json_init
67	67	json_add_object gateway_conf
...	...	@@ -72,28 +72,20 @@
72	72	json_add_int "stat_interval" "$stat"
73	73	json_add_boolean "forward_crc_valid" 1
74	74	json_add_boolean "forward_crc_error" 0
75		-)))
76		-
77		-(((
78		- (% 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**
79		-)))
80		-
81		-(((
	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(%%)**
82	82	(% style="color:black" %) json_close_object
83		- json_dump  > /etc/lora/local_conf.json(%%)
84		-(% style="color:black" %)**}**
	65	+ json_dump  > /etc/lora/local_conf.json
	66	+}
85	85	)))
86	86	)))
87		-)))
88	88
89		-
90	90	(((
91		-**3. Reboot the device and run logread -f to verify if GPS already works.**
	71	+Reboot the device and run logread -f to verify if GPS already works.
92	92	)))
93	93
94	94	(% class="box" %)
95	95	(((
96		-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"**(%%)
	76	+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"
97	97	Fri Mar  6 04:08:59 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ [main] TTY port /dev/ttyUSB1 open for GPS synchronization
98	98	Fri Mar  6 04:09:00 2020 cron.err crond[1689]: time disparity of 4301528 minutes detected
99	99	Fri Mar  6 04:09:00 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ sockfd=4
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101	101	Fri Mar  6 04:09:00 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ FPort Filter: 0
102	102	Fri Mar  6 04:09:00 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ DevAddrMask: 0x0
103	103	Fri Mar  6 04:09:34 2020 daemon.info lora_pkt_fwd[3016]: INFO: [jit] queue is empty
104		-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,(%%)**
	84	+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,(%%)
105	105	(% style="color:black" %)"rxnb":0,"rxok":0,"rxfw":0,"ackr":0.0,"dwnb":0,"txnb":0}}
106	106	Fri Mar  6 04:09:35 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ [up] PUSH_ACK received in 293 ms
107	107	Fri Mar  6 04:09:35 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ [down] PULL_ACK received in 596 ms
108	108	)))
109		-
110		-
111		-= 2. Add GPS support on LPS8v2 =
112		-
113		-