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 
 
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| file   | mqttsn.h | 
|   | Generic MQTT-SN definitions. 
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|   | 
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| 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...
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|   | 
| 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...
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|   | 
| enum   | { MQTTSN_ACCEPTED = 0x00
, MQTTSN_REJ_CONGESTION = 0x01
, MQTTSN_REJ_INV_TOPIC_ID = 0x02
, MQTTSN_REJ_NOTSUP = 0x03
 } | 
|   | MQTT-SN return codes.  More...
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|   | 
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 - See also
 - MQTT-SN spec v1.2, section 5.3.1 
  
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#define  | MQTTSN_CLI_ID_MINLEN   (1U) | 
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#define  | MQTTSN_CLI_ID_MAXLEN   (23U) | 
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◆ 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  
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| MQTTSN_QOS_MASK  | QoS level mask.  
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| MQTTSN_QOS_2  | QoS level 2.  
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| MQTTSN_QOS_1  | QoS level 1.  
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| MQTTSN_QOS_NEG1  | QoS level -1 (negative 1)  
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| MQTTSN_QOS_0  | QoS level 0.  
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| MQTTSN_RETAIN  | retain flag  
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| MQTTSN_WILL  | will flag, used during CONNECT  
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| MQTTSN_CS  | clean session flag  
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| MQTTSN_TIT_MASK  | topic ID type mask  
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| MQTTSN_TIT_SHORT  | topic ID: short  
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| MQTTSN_TIT_PREDEF  | topic ID: pre-defined  
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| MQTTSN_TIT_NORMAL  | topic ID: normal  
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Definition at line 47 of file mqttsn.h.
 
 
◆ anonymous enum
MQTT-SN message types. 
| Enumerator | 
|---|
| MQTTSN_ADVERTISE  | advertise message  
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| MQTTSN_SEARCHGW  | search gateway message  
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| MQTTSN_GWINFO  | gateway info message  
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| MQTTSN_CONNECT  | connect message  
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| MQTTSN_CONNACK  | connection acknowledgment message  
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| MQTTSN_WILLTOPICREQ  | will topic request  
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| MQTTSN_WILLTOPIC  | will topic  
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| MQTTSN_WILLMSGREQ  | will message request  
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| MQTTSN_WILLMSG  | will message  
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| MQTTSN_REGISTER  | topic registration request  
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| MQTTSN_REGACK  | topic registration acknowledgment  
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| MQTTSN_PUBLISH  | publish message  
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| MQTTSN_PUBACK  | publish acknowledgment  
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| MQTTSN_PUBCOMP  | publish received (QoS 2)  
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| MQTTSN_PUBREC  | publish complete (QoS 2)  
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| MQTTSN_PUBREL  | publish release (QoS 2)  
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| MQTTSN_SUBSCRIBE  | subscribe message  
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| MQTTSN_SUBACK  | subscription acknowledgment  
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| MQTTSN_UNSUBSCRIBE  | unsubscribe message  
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| MQTTSN_UNSUBACK  | unsubscription acknowledgment  
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| MQTTSN_PINGREQ  | ping request  
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| MQTTSN_PINGRESP  | ping response  
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| MQTTSN_DISCONNECT  | disconnect message  
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| MQTTSN_WILLTOPICUPD  | will topic update request  
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| MQTTSN_WILLTOPICRESP  | will topic update response  
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| MQTTSN_WILLMSGUPD  | will message update request  
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| MQTTSN_WILLMSGRESP  | will topic update response  
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Definition at line 66 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  
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| MQTTSN_REJ_CONGESTION  | rejected: congestion  
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| MQTTSN_REJ_INV_TOPIC_ID  | rejected: invalid topic id  
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| MQTTSN_REJ_NOTSUP  | rejected: not supported  
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Definition at line 101 of file mqttsn.h.