User Manual

Table Of Contents
SARA-R4 series-AT commands manual
UBX-17003787 - R16
Contents
Page 10 of 401
23.2AssistNow services................................................................................................................................... 269
23.3GNSS............................................................................................................................................................ 270
23.4CellLocate and hybrid positioning..........................................................................................................284
24I
2
C.................................................................................................................................... 293
24.1Introduction................................................................................................................................................. 293
24.2I
2
C open logical channel +UI2CO............................................................................................................ 293
24.3I
2
C write to peripheral +UI2CW...............................................................................................................294
24.4I
2
C read from peripheral +UI2CR............................................................................................................295
24.5I
2
C read from peripheral register +UI2CREGR.....................................................................................295
24.6I
2
C close logical channel +UI2CC............................................................................................................296
25MQTT.............................................................................................................................. 297
25.1Introduction..................................................................................................................................................297
25.2MQTT profile configuration +UMQTT................................................................................................... 297
25.3MQTT will topic configuration +UMQTTWTOPIC................................................................................301
25.4MQTT will message configuration +UMQTTWMSG.......................................................................... 303
25.5Save/Restore MQTT profile from NVM +UMQTTNV......................................................................... 304
25.6MQTT command +UMQTTC................................................................................................................... 304
25.7MQTT error +UMQTTER.......................................................................................................................... 309
26Lightweight M2M.........................................................................................................311
26.1LwM2M Objects management..................................................................................................................311
26.2LwM2M connectivity................................................................................................................................. 316
AAppendix: Error result codes.....................................................................................327
A.1Mobile termination error result codes +CME ERROR........................................................................... 327
A.2Message service error result codes +CMS ERROR.............................................................................. 332
A.3Firmware install final result codes...........................................................................................................337
A.4FOAT error result codes.............................................................................................................................337
A.5Internal TCP/UDP/IP stack class error codes........................................................................................ 337
A.6Internet suite error classes.......................................................................................................................339
BAppendix: AT Commands List.................................................................................. 348
B.1Parameters stored in non volatile memory.............................................................................................369
B.2Saving AT commands configuration....................................................................................................... 372
B.3Estimated command response time....................................................................................................... 372
B.4Multiple AT command interfaces.............................................................................................................373
B.5Mobile Network Operator profiles............................................................................................................ 374
CAppendix: UDP Direct Link workflow......................................................................388
C.1Data from the IP network to the external port...................................................................................... 388
C.2Data from the external port to the IP network..................................................................................... 388
DAppendix: Glossary...................................................................................................... 390
Related documents..............................................................................................................393
Revision history.................................................................................................................... 398
Contact.....................................................................................................................................401