Last modified by Xiaoling on 2024/07/31 17:46
<
From version < 22.1 >
edited by Edwin Chen
on 2023/12/22 21:40
To version < 14.1 >
edited by Kilight Cao
on 2023/12/08 16:07
>
Change comment: Uploaded new attachment "image-20231208160733-4.png", version {1}

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12 12  )))
13 13  
14 14  
15 -== 2. Connect GPS Antenna to Cellular modules ==
15 += 2. Add GPS support on LG308N =
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 -
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  
25 +[[image:image-20220527160148-2.png]]
26 +
27 +Connect GPS antenna
28 +
29 +
30 +(((
41 41  **2. modify the two files:**
32 +)))
42 42  
43 43  (((
44 44  /etc/chatscripts/3g.chat
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117 117  )))
118 118  
119 119  
120 -== 3.2. Configure on LPS8v2 ==
111 += 3. Add GPS support on LPS8v2 =
121 121  
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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