Shared definitions for MQTT-SN.  
More...
Shared definitions for MQTT-SN. 
- See also
- http://mqtt.org/new/wp-content/uploads/2009/06/MQTT-SN_spec_v1.2.pdf 
|  | 
| file | mqttsn.h | 
|  | Generic MQTT-SN definitions. 
 | 
|  | 
|  | 
| enum | { MQTTSN_DUP = 0x80
, MQTTSN_QOS_MASK = 0x60
, MQTTSN_QOS_2 = 0x40
, MQTTSN_QOS_1 = 0x20
,
 MQTTSN_QOS_NEG1 = 0x60
, MQTTSN_QOS_0 = 0x00
, MQTTSN_RETAIN = 0x10
, MQTTSN_WILL = 0x08
,
 MQTTSN_CS = 0x04
, MQTTSN_TIT_MASK = 0x03
, MQTTSN_TIT_SHORT = 0x02
, MQTTSN_TIT_PREDEF = 0x01
,
 MQTTSN_TIT_NORMAL = 0x00
 }
 | 
|  | MQTT-SN flags.  More... 
 | 
|  | 
| enum | { MQTTSN_ADVERTISE = 0x00
, MQTTSN_SEARCHGW = 0x01
, MQTTSN_GWINFO = 0x02
, MQTTSN_CONNECT = 0x04
,
 MQTTSN_CONNACK = 0x05
, MQTTSN_WILLTOPICREQ = 0x06
, MQTTSN_WILLTOPIC = 0x07
, MQTTSN_WILLMSGREQ = 0x08
,
 MQTTSN_WILLMSG = 0x09
, MQTTSN_REGISTER = 0x0a
, MQTTSN_REGACK = 0x0b
, MQTTSN_PUBLISH = 0x0c
,
 MQTTSN_PUBACK = 0x0d
, MQTTSN_PUBCOMP = 0x0e
, MQTTSN_PUBREC = 0x0f
, MQTTSN_PUBREL = 0x10
,
 MQTTSN_SUBSCRIBE = 0x12
, MQTTSN_SUBACK = 0x13
, MQTTSN_UNSUBSCRIBE = 0x14
, MQTTSN_UNSUBACK = 0x15
,
 MQTTSN_PINGREQ = 0x16
, MQTTSN_PINGRESP = 0x17
, MQTTSN_DISCONNECT = 0x18
, MQTTSN_WILLTOPICUPD = 0x1a
,
 MQTTSN_WILLTOPICRESP = 0x1b
, MQTTSN_WILLMSGUPD = 0x1c
, MQTTSN_WILLMSGRESP = 0x1d
 }
 | 
|  | MQTT-SN message types.  More... 
 | 
|  | 
| enum | { MQTTSN_ACCEPTED = 0x00
, MQTTSN_REJ_CONGESTION = 0x01
, MQTTSN_REJ_INV_TOPIC_ID = 0x02
, MQTTSN_REJ_NOTSUP = 0x03
 } | 
|  | MQTT-SN return codes.  More... 
 | 
|  | 
◆ MQTTSN_CLI_ID_MAXLEN
      
        
          | #define MQTTSN_CLI_ID_MAXLEN   (23U) | 
      
 
 
◆ MQTTSN_CLI_ID_MINLEN
      
        
          | #define MQTTSN_CLI_ID_MINLEN   (1U) | 
      
 
 
◆ anonymous enum
MQTT-SN message types. 
| Enumerator | 
|---|
| MQTTSN_ADVERTISE | advertise message  | 
| MQTTSN_SEARCHGW | search gateway message  | 
| MQTTSN_GWINFO | gateway info message  | 
| MQTTSN_CONNECT | connect message  | 
| MQTTSN_CONNACK | connection acknowledgment message  | 
| MQTTSN_WILLTOPICREQ | will topic request  | 
| MQTTSN_WILLTOPIC | will topic  | 
| MQTTSN_WILLMSGREQ | will message request  | 
| MQTTSN_WILLMSG | will message  | 
| MQTTSN_REGISTER | topic registration request  | 
| MQTTSN_REGACK | topic registration acknowledgment  | 
| MQTTSN_PUBLISH | publish message  | 
| MQTTSN_PUBACK | publish acknowledgment  | 
| MQTTSN_PUBCOMP | publish received (QoS 2)  | 
| MQTTSN_PUBREC | publish complete (QoS 2)  | 
| MQTTSN_PUBREL | publish release (QoS 2)  | 
| MQTTSN_SUBSCRIBE | subscribe message  | 
| MQTTSN_SUBACK | subscription acknowledgment  | 
| MQTTSN_UNSUBSCRIBE | unsubscribe message  | 
| MQTTSN_UNSUBACK | unsubscription acknowledgment  | 
| MQTTSN_PINGREQ | ping request  | 
| MQTTSN_PINGRESP | ping response  | 
| MQTTSN_DISCONNECT | disconnect message  | 
| MQTTSN_WILLTOPICUPD | will topic update request  | 
| MQTTSN_WILLTOPICRESP | will topic update response  | 
| MQTTSN_WILLMSGUPD | will message update request  | 
| MQTTSN_WILLMSGRESP | will topic update response  | 
Definition at line 66 of file mqttsn.h.
 
 
◆ anonymous enum
MQTT-SN flags. 
All MQTT-SN functions only support a sub-set of the available flags. It is up to the user to only supply valid/supported flags to a function.
Refer to the MQTT-SN spec section 5.3.4 for further information. 
| Enumerator | 
|---|
| MQTTSN_DUP | duplicate flag  | 
| MQTTSN_QOS_MASK | QoS level mask.  | 
| MQTTSN_QOS_2 | QoS level 2.  | 
| MQTTSN_QOS_1 | QoS level 1.  | 
| MQTTSN_QOS_NEG1 | QoS level -1 (negative 1)  | 
| MQTTSN_QOS_0 | QoS level 0.  | 
| MQTTSN_RETAIN | retain flag  | 
| MQTTSN_WILL | will flag, used during CONNECT  | 
| MQTTSN_CS | clean session flag  | 
| MQTTSN_TIT_MASK | topic ID type mask  | 
| MQTTSN_TIT_SHORT | topic ID: short  | 
| MQTTSN_TIT_PREDEF | topic ID: pre-defined  | 
| MQTTSN_TIT_NORMAL | topic ID: normal  | 
Definition at line 47 of file mqttsn.h.
 
 
◆ anonymous enum
MQTT-SN return codes. 
- See also
- MQTT-SN spec v1.2, section 5.3.10, table 5 
| Enumerator | 
|---|
| MQTTSN_ACCEPTED | accepted  | 
| MQTTSN_REJ_CONGESTION | rejected: congestion  | 
| MQTTSN_REJ_INV_TOPIC_ID | rejected: invalid topic id  | 
| MQTTSN_REJ_NOTSUP | rejected: not supported  | 
Definition at line 101 of file mqttsn.h.