Last modified by Xiaoling on 2024/07/31 17:46
<
From version < 8.1 >
edited by Edwin Chen
on 2023/12/07 21:16
To version < 21.1 >
edited by Kilight Cao
on 2023/12/22 10:22
>
Change comment: There is no comment for this version

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1 -XWiki.Edwin
1 +XWiki.Kilight
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1 +**Table of Contents：**
2 +
3 +{{toc/}}
4 +
5 +
1 1  (((
2 -= 1. Introduction =
7 += 1. Introduction =
3 3  
4 4  ----
5 5  
... ... @@ -7,8 +7,10 @@
7 7  )))
8 8  
9 9  
10 -= 2. Add GPS support on LG308N =
15 += 2. Use Cellular Module GPS feature for LoRaWAN Timing. =
11 11  
17 +== 2.1 Configure on LG308N / LPS8N ==
18 +
12 12  (((
13 13  (% style="color:blue" %)**Below are the steps:**
14 14  )))
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103 103  )))
104 104  
105 105  
106 -= 2. Add GPS support on LPS8v2 =
113 +== 2.2. Configure on LPS8v2 ==
107 107  
108 -
115 +(((
116 +(% style="color:blue" %)**Below are the steps:**
117 +)))
118 +
119 +(((
120 +**~1. Open the box and connect GPS antenna to GNSS port of EC25**
121 +)))
122 +
123 +[[image:image-20231208153214-1.png||height="426" width="590"]]
124 +
125 +Connect GPS antenna
126 +
127 +
128 +**2. modify the two files:**
129 +
130 +/etc/rc.local
131 +
132 +(% class="box" %)
133 +(((
134 +#!/bin/sh -e
135 +#
136 +# rc.local
137 +#
138 +# This script is executed at the end of each multiuser runlevel.
139 +# Make sure that the script will "exit 0" on success or any other
140 +# value on error.
141 +#
142 +# In order to enable or disable this script just change the execution
143 +# bits.
144 +#
145 +# By default this script does nothing.
146 +
147 +echo 0 > /sys/class/leds/dragino\:blue\:opt/brightness
148 +echo 0 > /sys/class/leds/dragino\:green\:stat/brightness
149 +echo 0 > /sys/class/leds/dragino\:red\:sys/brightness
150 +(% style="color:red" %)**echo AT+QGPS=1 > /dev/ttyUSB2**
151 +
152 +
153 +exit 0
154 +)))
155 +
156 +(% style="color:red" %)**Note: **(%%) **After above settings, LPS8v2 will (% style="color:blue" %)enable GPS(%%) automatically on boot.**
157 +
158 +
159 +**The user can run (% style="color:red" %)"echo AT+QGPS=1 > /dev/ttyUSB2" (%%)to manually (% style="color:blue" %)enable GPS.(%%)**
160 +
161 +**/usr/local/dragino/generate-config.sh, after configuring this, on the web page, select any frequency band and save to make this take effect.**
162 +
163 +(% class="box" %)
164 +(((
165 +gen_gw_cfg() {
166 + json_init
167 + json_add_object gateway_conf
168 + json_add_string "platform" "SX1$chip"
169 + json_add_string "description" "Dragino LoRaWAN Gateway"
170 + json_add_string "gateway_ID" "$gwid"
171 + json_add_boolean "radiostream_enable" 1
172 + json_add_string "ghost_host" "localhost"
173 + json_add_string "ghost_port" "1760"
174 + json_add_boolean "manage_enable" 0
175 + json_add_boolean "custom_downlink" 0
176 + json_add_int "stat_interval" "30"
177 + json_add_boolean "wd_enable" 1
178 + json_add_boolean "mac_decode" 0
179 + json_add_boolean "mac2file" 0
180 + json_add_boolean "mac2db" 0
181 + json_add_string "log_mask" "1111"
182 + (% 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**(%%)
183 + json_add_double "ref_latitude" "$latitude"
184 + json_add_double "ref_longitude" "$longitude"
185 + json_add_double "ref_altitude" "$altitude"
186 + json_add_int "beacon_period" "0"
187 + json_add_int "beacon_freq_hz" "869525000"
188 +)))
189 +
190 +**3. Reboot the device and run journalctl -u draginofwd -f to verify if GPS already works.**
191 +
192 +[[image:image-20231208160114-2.png||height="288" width="907"]]
193 +
194 +
195 +[[image:image-20231208161058-5.png||height="548" width="965"]]
196 +
197 +
198 +
199 += 3. Use Cellular Module GPS feature for System Timing. =
200 +
201 +== 3.1 Configure on LPS8v2 ==
202 +
203 +This introduction shows how to use the Cellular Module GPS feature for System Timing.
204 +
205 +
206 +1. Download script from dragino site and move it to properly directory
207 +
208 +(% class="box" %)
209 +(((
210 +root@dragino-e4e891:# wget http://repo.dragino.com/release/tool/gpstime/gpstodate.sh
211 +2023-12-21 07:25:25 http://repo.dragino.com/release/tool/gpstime/gpstodate.sh
212 +Resolving repo.dragino.com (repo.dragino.com)... 47.89.8.92
213 +Connecting to repo.dragino.com (repo.dragino.com)|47.89.8.92|:80... connected.
214 +HTTP request sent, awaiting response... 200 OK
215 +Length: 1114 (1.1K) [application/octet-stream]
216 +Saving to: ‘gpstodate.sh’
217 +
218 +gpstodate.sh 100%[===========================================================================================================>] 1.09K .-KB/s in 0s     
219 +
220 +2023-12-21 07:25:25 (16.5 MB/s) - ‘gpstodate.sh’ saved [1114/1114]
221 +
222 +root@dragino-e4e891:# chmod +x gpstodate.sh;mv gpstodate.sh /usr/bin/
223 +root@dragino-e4e891:#
224 +)))
225 +
226 +2. Run **cat /dev/ttyUSB1** to check if the GPS location is successful.
227 +
228 +[[image:image-20231221153129-1.png||height="440" width="632"]]
229 +
230 +
231 +3. Run the **date** and  **/usr/bin/gpstodate.sh** **&** to check if the system time is correct
232 +
233 +
234 +4. Add **gpstodate.sh** to cron work **/etc/rc.local** , LPS8v2 will Use Cellular Module GPS feature for System Timing automatically on boot
235 +
236 +(% class="box" %)
237 +(((
238 +#!/bin/sh -e
239 +#
240 +# rc.local
241 +#
242 +# This script is executed at the end of each multiuser runlevel.
243 +# Make sure that the script will "exit 0" on success or any other
244 +# value on error.
245 +#
246 +# In order to enable or disable this script just change the execution
247 +# bits.
248 +#
249 +# By default this script does nothing.
250 +
251 +echo 0 > /sys/class/leds/dragino\:blue\:opt/brightness
252 +echo 0 > /sys/class/leds/dragino\:green\:stat/brightness
253 +echo 0 > /sys/class/leds/dragino\:red\:sys/brightness
254 +(% style="color:red" %)**echo AT+QGPS=1 > /dev/ttyUSB2**
255 +(% style="color:red" %)**/usr/bin/gpstodate.sh**
256 +
257 +exit 0
258 +)))
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