Last modified by Xiaoling on 2024/07/31 17:46
<
From version < 12.1 >
edited by Kilight Cao
on 2023/12/08 16:01
To version < 25.1
edited by Xiaoling
on 2024/07/31 17:46
Change comment: There is no comment for this version

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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 +
18 +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.
19 +
20 +**For LPS8v2:**
21 +
22 +[[image:image-20231208153214-1.png||height="426" width="590"]]
23 +
24 +
25 +**For LG308N:**
26 +
27 +[[image:image-20220527160148-2.png]]
28 +
29 +
30 += 3. Use Cellular Module GPS feature for LoRaWAN Timing. =
31 +
32 +== 3.1 Configure on LG308N / LPS8N ==
33 +
17 17  (((
35 +
36 +
18 18  (% style="color:blue" %)**Below are the steps:**
19 19  )))
20 20  
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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
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108 108  )))
109 109  
110 110  
111 -= 3. Add GPS support on LPS8v2 =
123 +== 3.2. Configure on LPS8v2 ==
112 112  
125 +(((
113 113  
127 +
128 +(% style="color:blue" %)**Below are the steps:**
129 +)))
130 +
131 +(((
132 +**~1. Open the box and connect GPS antenna to GNSS port of EC25**
133 +)))
134 +
135 +**2. modify the two files:**
136 +
137 +/etc/rc.local
138 +
139 +(% class="box" %)
140 +(((
141 +#!/bin/sh -e
142 +#
143 +# rc.local
144 +#
145 +# This script is executed at the end of each multiuser runlevel.
146 +# Make sure that the script will "exit 0" on success or any other
147 +# value on error.
148 +#
149 +# In order to enable or disable this script just change the execution
150 +# bits.
151 +#
152 +# By default this script does nothing.
153 +
154 +echo 0 > /sys/class/leds/dragino\:blue\:opt/brightness
155 +echo 0 > /sys/class/leds/dragino\:green\:stat/brightness
156 +echo 0 > /sys/class/leds/dragino\:red\:sys/brightness
157 +(% style="color:red" %)**echo AT+QGPS=1 > /dev/ttyUSB2**
158 +
159 +
160 +exit 0
161 +)))
162 +
163 +(% style="color:red" %)**Note: **(%%) **After above settings, LPS8v2 will (% style="color:blue" %)enable GPS(%%) automatically on boot.**
164 +
165 +
166 +**The user can run (% style="color:red" %)"echo AT+QGPS=1 > /dev/ttyUSB2" (%%)to manually (% style="color:blue" %)enable GPS.(%%)**
167 +
168 +**/usr/local/dragino/generate-config.sh, after configuring this, on the web page, select any frequency band and save to make this take effect.**
169 +
170 +(% class="box" %)
171 +(((
172 +gen_gw_cfg() {
173 + json_init
174 + json_add_object gateway_conf
175 + json_add_string "platform" "SX1$chip"
176 + json_add_string "description" "Dragino LoRaWAN Gateway"
177 + json_add_string "gateway_ID" "$gwid"
178 + json_add_boolean "radiostream_enable" 1
179 + json_add_string "ghost_host" "localhost"
180 + json_add_string "ghost_port" "1760"
181 + json_add_boolean "manage_enable" 0
182 + json_add_boolean "custom_downlink" 0
183 + json_add_int "stat_interval" "30"
184 + json_add_boolean "wd_enable" 1
185 + json_add_boolean "mac_decode" 0
186 + json_add_boolean "mac2file" 0
187 + json_add_boolean "mac2db" 0
188 + json_add_string "log_mask" "1111"
189 + (% 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**(%%)
190 + json_add_double "ref_latitude" "$latitude"
191 + json_add_double "ref_longitude" "$longitude"
192 + json_add_double "ref_altitude" "$altitude"
193 + json_add_int "beacon_period" "0"
194 + json_add_int "beacon_freq_hz" "869525000"
195 +)))
196 +
197 +**3. Reboot the device and run journalctl -u draginofwd -f to verify if GPS already works.**
198 +
199 +[[image:image-20231208160114-2.png||height="288" width="907"]]
200 +
201 +
202 +[[image:image-20231208161058-5.png||height="548" width="965"]]
203 +
204 +
205 += 4. Use Cellular Module GPS feature for System Timing. =
206 +
207 +== 4.1 Configure on LPS8v2 ==
208 +
209 +
210 +This introduction shows how to use the Cellular Module GPS feature for System Timing.
211 +
212 +
213 +1. Download script from dragino site and move it to properly directory
214 +
215 +(% class="box" %)
216 +(((
217 +root@dragino-e4e891:# wget http://repo.dragino.com/release/tool/gpstime/gpstodate.sh
218 +2023-12-21 07:25:25 http://repo.dragino.com/release/tool/gpstime/gpstodate.sh
219 +Resolving repo.dragino.com (repo.dragino.com)... 47.89.8.92
220 +Connecting to repo.dragino.com (repo.dragino.com)|47.89.8.92|:80... connected.
221 +HTTP request sent, awaiting response... 200 OK
222 +Length: 1114 (1.1K) [application/octet-stream]
223 +Saving to: ‘gpstodate.sh’
224 +
225 +gpstodate.sh 100%[===========================================================================================================>] 1.09K .-KB/s in 0s     
226 +
227 +2023-12-21 07:25:25 (16.5 MB/s) - ‘gpstodate.sh’ saved [1114/1114]
228 +
229 +root@dragino-e4e891:# chmod +x gpstodate.sh;mv gpstodate.sh /usr/bin/
230 +root@dragino-e4e891:#
231 +)))
232 +
233 +2. Run **cat /dev/ttyUSB1** to check if the GPS location is successful.
234 +
235 +[[image:image-20231221153129-1.png||height="440" width="632"]]
236 +
237 +
238 +3. Run the **date** and  **/usr/bin/gpstodate.sh** **&** to check if the system time is correct
239 +
240 +
241 +4. Add **gpstodate.sh** to cron work **/etc/rc.local** , LPS8v2 will Use Cellular Module GPS feature for System Timing automatically on boot
242 +
243 +(% class="box" %)
244 +(((
245 +#!/bin/sh -e
246 +#
247 +# rc.local
248 +#
249 +# This script is executed at the end of each multiuser runlevel.
250 +# Make sure that the script will "exit 0" on success or any other
251 +# value on error.
252 +#
253 +# In order to enable or disable this script just change the execution
254 +# bits.
255 +#
256 +# By default this script does nothing.
257 +
258 +echo 0 > /sys/class/leds/dragino\:blue\:opt/brightness
259 +echo 0 > /sys/class/leds/dragino\:green\:stat/brightness
260 +echo 0 > /sys/class/leds/dragino\:red\:sys/brightness
261 +(% style="color:red" %)**echo AT+QGPS=1 > /dev/ttyUSB2**(%%)
262 +(% style="color:red" %)**/usr/bin/gpstodate.sh**
263 +
264 +exit 0
265 +)))
266 +
267 +
268 += 5. Use external GPS module =
269 +
270 +
271 +
272 +== 5.1 Set up for LoRaWAN Time ==
273 +
274 +== 5.2 Set up for System Time ==
275 +
276 +
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