Last modified by Xiaoling on 2024/07/31 17:46
<
From version < 25.1
edited by Xiaoling
on 2024/07/31 17:46
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 -
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 -
34 34  (((
35 -
36 -
37 37  (% style="color:blue" %)**Below are the steps:**
38 38  )))
39 39  
... ... @@ -41,7 +41,14 @@
41 41  **~1. Open the box and connect GPS antenna to GNSS port of EC25**
42 42  )))
43 43  
25 +[[image:image-20220527160148-2.png]]
26 +
27 +Connect GPS antenna
28 +
29 +
30 +(((
44 44  **2. modify the two files:**
32 +)))
45 45  
46 46  (((
47 47  /etc/chatscripts/3g.chat
... ... @@ -120,157 +120,6 @@
120 120  )))
121 121  
122 122  
123 -== 3.2. Configure on LPS8v2 ==
111 += 3. Add GPS support on LPS8v2 =
124 124  
125 -(((
126 126  
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 -
image-20231208161058-5.png
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