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Version 15.1 by Kilight Cao on 2023/12/08 16:10
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Edwin Chen 9.1 1 **Table of Contents：**
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3 {{toc/}}
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Xiaoling 1.8 6 (((
Edwin Chen 9.1 7 = 1. Introduction =
Xiaoling 5.2 8
9 ----
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Edwin Chen 8.1 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.
Xiaoling 1.8 12 )))
Xiaoling 1.1 13
Xiaoling 5.2 14
Edwin Chen 8.1 15 = 2. Add GPS support on LG308N =
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Xiaoling 1.8 17 (((
Xiaoling 5.2 18 (% style="color:blue" %)**Below are the steps:**
Xiaoling 1.8 19 )))
Xiaoling 1.1 20
Xiaoling 1.8 21 (((
Xiaoling 5.2 22 **~1. Open the box and connect GPS antenna to GNSS port of EC25**
Xiaoling 1.8 23 )))
Xiaoling 1.1 24
Xiaoling 4.1 25 [[image:image-20220527160148-2.png]]
Xiaoling 1.1 26
Xiaoling 1.2 27 Connect GPS antenna
Xiaoling 1.1 28
Xiaoling 5.2 29
Xiaoling 1.9 30 (((
Xiaoling 5.2 31 **2. modify the two files:**
Xiaoling 1.9 32 )))
Xiaoling 1.1 33
Xiaoling 1.9 34 (((
Xiaoling 1.2 35 /etc/chatscripts/3g.chat
Xiaoling 1.9 36 )))
Xiaoling 1.1 37
Xiaoling 1.3 38 (% class="box" %)
39 (((
40 ABORT   BUSY
41 ABORT   'NO CARRIER'
42 ABORT   ERROR
43 REPORT  CONNECT
Xiaoling 1.2 44 TIMEOUT 10
Xiaoling 1.3 45 ""      "AT&F"
46 OK      "ATE1"
Xiaoling 4.1 47 (% style="color:red" %)**OK  "AT+QGPS=1"   ~-~-> Add this line, so EC25 module GPS will be enable when dial up**(%%)
Xiaoling 1.3 48 (% style="color:black" %)OK      'AT+CGDCONT=1,"IP","$USE_APN"'
49 SAY     "Calling UMTS/GPRS"
Xiaoling 1.2 50 TIMEOUT 30
Xiaoling 1.3 51 OK      "ATD$DIALNUMBER"
Xiaoling 1.2 52 CONNECT ' '
Xiaoling 1.3 53 )))
Xiaoling 1.1 54
Xiaoling 7.2 55
Xiaoling 1.8 56 (((
Xiaoling 6.2 57 (% 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.**
Xiaoling 1.8 58 )))
Xiaoling 1.1 59
Xiaoling 7.2 60
Xiaoling 1.3 61 (% class="box" %)
62 (((
Xiaoling 1.9 63 (((
Xiaoling 4.2 64 (((
Xiaoling 1.3 65 gen_gw_cfg() {
Xiaoling 1.2 66 json_init
67 json_add_object gateway_conf
68 json_add_string "gateway_ID" "$gwid"
69 json_add_string "server_address" "$server"
70 json_add_int "serv_port_up" "$upp"
71 json_add_int "serv_port_down" "$dpp"
72 json_add_int "stat_interval" "$stat"
73 json_add_boolean "forward_crc_valid" 1
74 json_add_boolean "forward_crc_error" 0
Xiaoling 4.2 75 )))
76
77 (((
78 (% 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**
79 )))
80
81 (((
Xiaoling 1.8 82 (% style="color:black" %) json_close_object
Xiaoling 4.2 83 json_dump  > /etc/lora/local_conf.json(%%)
84 (% style="color:black" %)**}**
Xiaoling 1.3 85 )))
Xiaoling 1.9 86 )))
Xiaoling 4.2 87 )))
Xiaoling 1.1 88
Xiaoling 7.2 89
Xiaoling 1.8 90 (((
Xiaoling 5.2 91 **3. Reboot the device and run logread -f to verify if GPS already works.**
Xiaoling 1.8 92 )))
Xiaoling 1.1 93
Xiaoling 1.3 94 (% class="box" %)
95 (((
Xiaoling 4.3 96 Fri Mar  6 04:08:59 2020 daemon.info lora_pkt_fwd[3016]: (% style="color:red" %)**INFO~~ GPS serial port path is configured to "/dev/ttyUSB1"**(%%)
Xiaoling 1.3 97 Fri Mar  6 04:08:59 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ [main] TTY port /dev/ttyUSB1 open for GPS synchronization
98 Fri Mar  6 04:09:00 2020 cron.err crond[1689]: time disparity of 4301528 minutes detected
99 Fri Mar  6 04:09:00 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ sockfd=4
100 Fri Mar  6 04:09:00 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ sockfd=5
101 Fri Mar  6 04:09:00 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ FPort Filter: 0
102 Fri Mar  6 04:09:00 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ DevAddrMask: 0x0
103 Fri Mar  6 04:09:34 2020 daemon.info lora_pkt_fwd[3016]: INFO: [jit] queue is empty
Xiaoling 4.3 104 Fri Mar  6 04:09:34 2020 daemon.info lora_pkt_fwd[3016]: STAT~~ {"stat":{"time":"2020-03-06 04:09:34 UTC"**,(% style="color:red" %)"lati":22.70627,"long":114.24277,"alti":58,(%%)**
Xiaoling 1.3 105 (% style="color:black" %)"rxnb":0,"rxok":0,"rxfw":0,"ackr":0.0,"dwnb":0,"txnb":0}}
106 Fri Mar  6 04:09:35 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ [up] PUSH_ACK received in 293 ms
107 Fri Mar  6 04:09:35 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ [down] PULL_ACK received in 596 ms
108 )))
Edwin Chen 8.1 109
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Edwin Chen 10.1 111 = 3. Add GPS support on LPS8v2 =
Edwin Chen 8.1 112
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