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--- huawei_mu609_gps_mode [2017/05/28 06:42] – admin
+++ huawei_mu609_gps_mode [2017/05/28 06:49] – [Standalone example] admin
@@ Line 7: / Line 7: @@
   * Huawei MU609 miniPCIe {{:huawei_mu609_hspa_lga_module_at_command_interface_specification-_v100r002_04_english_.pdf|AT command spec.}}
   * Huawei MU609 miniPCIe {{::huawei_20mu609_20hspa_20lga_20module_20application_20guide-_28v100r002_02_2c_20english_29.pdf|Application guide}}.
+    * **ttyUSB0**: MODEM port: simulated using USB, for AT command interaction and establishing data connection.
+    * **ttyUSB1**: DIAG port: simulated using USB, for DIAG (diagnostic) command interaction (mainly used to debug modules at present).
+    * **ttyUSB2**: PCUI port: simulated using USB, for AT command interaction only.
+    * **ttyUSB3**: GPS NMEA port: simulated using USB, sending unsolicited indications for NMEA positioning data only.
+    * **ttyUSB4**: GPS Control port: simulated using USB, for GPS AT command interaction only.
+    * **eth3**: ECM port: for establishing communication connection.
 ====Standalone example=====
@@ Line 17: / Line 25: @@
   * Present the positioning result. <code>^POSITION: 113.94026d,22.53206d,270m</code>
   * The first value indicates positioning end reason, and the second indicates the left positioning times. <code>^POSEND: -1,9</code>
   * Stop positioning. <code>AT^WPEND</code>
+  * Set GNSS as the positioning system to use both the GPS and GLONASS satellites for positioning. To switch from one positioning system to another, the module must restart. To switch the module to use GPS satellites only, run AT^WGNSS=0 and restart the module. <code>
+AT^WGNSS=1</code>