Changes between Version 8 and Version 9 of X300B

Timestamp:

11/26/22 01:05:18 (2 years ago)

Author:

krit

Comment:

--

X300B

@@ -60 +60 @@
 root@OpenWrt:~# 
 }}}
+
+== GPS ==
+On /dev/ttyUSB2
+
+{{{
+AT+QGPS=1                       Starts GPS service + NMEA Feed on /dev/modemGPS
+AT+QGPSEND                      Stops GPS Service + NMEA Feed on /dev/modemGPS
+AT+QGPSCFG="gpsnmeatype",xxx    Configure which NMEA output sentences are generated (See SIMCOM GPS Page)
+AT+QGPSLOC?                     Run on AT command port to give a one-shot reading
+AT+QGPSGNMEA="GGA"              Run on AT command port to give a one-shot reading of GPS Fix Data, Time, Position and related fix data
+}}}
+
+Ex.
+{{{ 
+AT+QGPSLOC?
++QGPSLOC: 232222.0,1343.4258N,10039.1887E,0.8,2.1,2,0.00,0.0,0.0,231122,09
+}}}
+
+Read Lat,Lon ref [https://receiverhelp.trimble.com/alloy-gnss/en-us/NMEA-0183messages_GGA.html here] [[br]]
+13+(43.4258/60) = 13.723763 [[br]]
+100+(39.1887/60) = 100.653145 [[br]]
+
+On /dev/ttyUSB1 the data will continue update GPS location 
+{{{
+root@OpenWrt:~# picocom -b 115200 /dev/ttyUSB1
+$GPGGA,233253.00,1343.426109,N,10039.188521,E,1,08,0.8,2.5,M,-25.0,M,,*46
+}}}
+We use ser2net to stream out the lat,lon
+{{{
+root@GL-X300B:/etc# tail -2 ser2net.conf
+8888:raw:400:/dev/ttyUSB1:115200 8DATABITS NONE 1STOPBIT
+}}}
+Then on other terminal run
+{{{
+root@GL-X300B:~# curl -v --http0.9 192.168.8.1:8888 
+> GET / HTTP/1.1
+> Host: 192.168.8.1:8888
+> User-Agent: curl/7.66.0
+> Accept: */*
+> 
+$GPGGA,235831.00,1343.426963,N,10039.186482,E,1,08,0.8,1.9,M,-25.0,M,,*43
+$GPRMC,235831.00,A,1343.426963,N,10039.186482,E,0.0,201.3,231122,1.1,W,A,V*51
+}}}