MQTT-SN Defines¶
Shared definitions for MQTT-SN.
-
enum
@195¶ - MQTTSN_DUP
= 0x80 - duplicate flag
- MQTTSN_QOS_MASK
= 0x60 - QoS level mask.
- MQTTSN_QOS_2
= 0x40 - QoS level 2.
- MQTTSN_QOS_1
= 0x20 - QoS level 1.
- MQTTSN_QOS_0
= 0x00 - QoS level 0.
- MQTTSN_RETAIN
= 0x10 - retain flag
- MQTTSN_WILL
= 0x08 - will flag, used during CONNECT
- MQTTSN_CS
= 0x04 - clean session flag
- MQTTSN_TIT_MASK
= 0x03 - topic ID type mask
- MQTTSN_TIT_SHORT
= 0x02 - topic ID: short
- MQTTSN_TIT_PREDEF
= 0x01 - topic ID: pre-defined
- MQTTSN_TIT_NORMAL
= 0x00 - topic ID: normal
- MQTTSN_DUP
-
enum
@196¶ - MQTTSN_ADVERTISE
= 0x00 - advertise message
- MQTTSN_SEARCHGW
= 0x01 - search gateway message
- MQTTSN_GWINFO
= 0x02 - gateway info message
- MQTTSN_CONNECT
= 0x04 - connect message
- MQTTSN_CONNACK
= 0x05 - connection acknowledgment message
- MQTTSN_WILLTOPICREQ
= 0x06 - will topic request
- MQTTSN_WILLTOPIC
= 0x07 - will topic
- MQTTSN_WILLMSGREQ
= 0x08 - will message request
- MQTTSN_WILLMSG
= 0x09 - will message
- MQTTSN_REGISTER
= 0x0a - topic registration request
- MQTTSN_REGACK
= 0x0b - topic registration acknowledgment
- MQTTSN_PUBLISH
= 0x0c - publish message
- MQTTSN_PUBACK
= 0x0d - publish acknowledgment
- MQTTSN_PUBCOMP
= 0x0e - publish received (QoS 2)
- MQTTSN_PUBREC
= 0x0f - publish complete (QoS 2)
- MQTTSN_PUBREL
= 0x10 - publish release (QoS 2)
- MQTTSN_SUBSCRIBE
= 0x12 - subscribe message
- MQTTSN_SUBACK
= 0x13 - subscription acknowledgment
- MQTTSN_UNSUBSCRIBE
= 0x14 - unsubscribe message
- MQTTSN_UNSUBACK
= 0x15 - unsubscription acknowledgment
- MQTTSN_PINGREQ
= 0x16 - ping request
- MQTTSN_PINGRESP
= 0x17 - ping response
- MQTTSN_DISCONNECT
= 0x18 - disconnect message
- MQTTSN_WILLTOPICUPD
= 0x1a - will topic update request
- MQTTSN_WILLTOPICRESP
= 0x1b - will topic update response
- MQTTSN_WILLMSGUPD
= 0x1c - will message update request
- MQTTSN_WILLMSGRESP
= 0x1d - will topic update response
- MQTTSN_ADVERTISE
-
enum
@197¶ - MQTTSN_ACCEPTED
= 0x00 - accepted
- MQTTSN_REJ_CONGESTION
= 0x01 - rejected: congestion
- MQTTSN_REJ_INV_TOPIC_ID
= 0x02 - rejected: invalid topic id
- MQTTSN_REJ_NOTSUP
= 0x03 - rejected: not supported
- MQTTSN_ACCEPTED
-
MQTTSN_DEFAULT_PORT¶ Default UDP port for MQTT-SN servers.
1
(1883U)