Last modified by Xiaoling on 2024/07/31 17:46
<
From version < 6.2 >
edited by Xiaoling
on 2022/07/22 11:15
To version < 22.1 >
edited by Edwin Chen
on 2023/12/22 21:40
>
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Title
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1 -Add GPS Support in LG308
1 +Add GPS Support in LG308N / LPS8v2
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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1 +**Table of Contents：**
2 +
3 +{{toc/}}
4 +
5 +
1 1  (((
2 -= **Introduction ** =
7 += 1. Introduction =
3 3  
4 4  ----
5 5  
6 -It is possible to GPS support in LG308 EC25 version so device will add location info to uplink packet to LoRaWAN server.
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.
7 7  )))
8 8  
9 9  
15 +== 2. Connect GPS Antenna to Cellular modules ==
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 +
10 10  (((
11 11  (% style="color:blue" %)**Below are the steps:**
12 12  )))
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15 15  **~1. Open the box and connect GPS antenna to GNSS port of EC25**
16 16  )))
17 17  
18 -[[image:image-20220527160148-2.png]]
19 -
20 -Connect GPS antenna
21 -
22 -
23 -(((
24 24  **2. modify the two files:**
25 -)))
26 26  
27 27  (((
28 28  /etc/chatscripts/3g.chat
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45 45  CONNECT ' '
46 46  )))
47 47  
64 +
48 48  (((
49 49  (% 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.**
50 50  )))
51 51  
69 +
52 52  (% class="box" %)
53 53  (((
54 54  (((
... ... @@ -77,6 +77,7 @@
77 77  )))
78 78  )))
79 79  
98 +
80 80  (((
81 81  **3. Reboot the device and run logread -f to verify if GPS already works.**
82 82  )))
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96 96  Fri Mar  6 04:09:35 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ [up] PUSH_ACK received in 293 ms
97 97  Fri Mar  6 04:09:35 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ [down] PULL_ACK received in 596 ms
98 98  )))
118 +
119 +
120 +== 3.2. Configure on LPS8v2 ==
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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