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	1	+XWiki.Edwin

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12	12	)))
13	13
14	14
15		-= 2. Add GPS support on LG308N =
	15	+= 2. Connect GPS Antenna to Cellular modules =
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.
	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	+
17	17	(((
18	18	(% style="color:blue" %)**Below are the steps:**
19	19	)))
...	...	@@ -22,14 +22,7 @@
22	22	**~1. Open the box and connect GPS antenna to GNSS port of EC25**
23	23	)))
24	24
25		-[[image:image-20220527160148-2.png]]
26		-
27		-Connect GPS antenna
28		-
29		-
30		-(((
31	31	**2. modify the two files:**
32		-)))
33	33
34	34	(((
35	35	/etc/chatscripts/3g.chat
...	...	@@ -108,6 +108,144 @@
108	108	)))
109	109
110	110
111		-= 3. Add GPS support on LPS8v2 =
	120	+== 3.2. Configure on LPS8v2 ==
112	112
113		-
	122	+(((
	123	+(% style="color:blue" %)**Below are the steps:**
	124	+)))
	125	+
	126	+(((
	127	+**~1. Open the box and connect GPS antenna to GNSS port of EC25**
	128	+)))
	129	+
	130	+**2. modify the two files:**
	131	+
	132	+/etc/rc.local
	133	+
	134	+(% class="box" %)
	135	+(((
	136	+#!/bin/sh -e
	137	+#
	138	+# rc.local
	139	+#
	140	+# This script is executed at the end of each multiuser runlevel.
	141	+# Make sure that the script will "exit 0" on success or any other
	142	+# value on error.
	143	+#
	144	+# In order to enable or disable this script just change the execution
	145	+# bits.
	146	+#
	147	+# By default this script does nothing.
	148	+
	149	+echo 0 > /sys/class/leds/dragino\:blue\:opt/brightness
	150	+echo 0 > /sys/class/leds/dragino\:green\:stat/brightness
	151	+echo 0 > /sys/class/leds/dragino\:red\:sys/brightness
	152	+(% style="color:red" %)**echo AT+QGPS=1 > /dev/ttyUSB2**
	153	+
	154	+
	155	+exit 0
	156	+)))
	157	+
	158	+(% style="color:red" %)**Note: **(%%) **After above settings, LPS8v2 will (% style="color:blue" %)enable GPS(%%) automatically on boot.**
	159	+
	160	+
	161	+**The user can run (% style="color:red" %)"echo AT+QGPS=1 > /dev/ttyUSB2" (%%)to manually (% style="color:blue" %)enable GPS.(%%)**
	162	+
	163	+**/usr/local/dragino/generate-config.sh, after configuring this, on the web page, select any frequency band and save to make this take effect.**
	164	+
	165	+(% class="box" %)
	166	+(((
	167	+gen_gw_cfg() {
	168	+ json_init
	169	+ json_add_object gateway_conf
	170	+ json_add_string "platform" "SX1$chip"
	171	+ json_add_string "description" "Dragino LoRaWAN Gateway"
	172	+ json_add_string "gateway_ID" "$gwid"
	173	+ json_add_boolean "radiostream_enable" 1
	174	+ json_add_string "ghost_host" "localhost"
	175	+ json_add_string "ghost_port" "1760"
	176	+ json_add_boolean "manage_enable" 0
	177	+ json_add_boolean "custom_downlink" 0
	178	+ json_add_int "stat_interval" "30"
	179	+ json_add_boolean "wd_enable" 1
	180	+ json_add_boolean "mac_decode" 0
	181	+ json_add_boolean "mac2file" 0
	182	+ json_add_boolean "mac2db" 0
	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**(%%)
	185	+ json_add_double "ref_latitude" "$latitude"
	186	+ json_add_double "ref_longitude" "$longitude"
	187	+ json_add_double "ref_altitude" "$altitude"
	188	+ json_add_int "beacon_period" "0"
	189	+ json_add_int "beacon_freq_hz" "869525000"
	190	+)))
	191	+
	192	+**3. Reboot the device and run journalctl -u draginofwd -f to verify if GPS already works.**
	193	+
	194	+[[image:image-20231208160114-2.png||height="288" width="907"]]
	195	+
	196	+
	197	+[[image:image-20231208161058-5.png||height="548" width="965"]]
	198	+
	199	+
	200	+
	201	+= 4. Use Cellular Module GPS feature for System Timing. =
	202	+
	203	+== 4.1 Configure on LPS8v2 ==
	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	+)))

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