MQTTParam (PARAMS)ΒΆ
- Attributes:
qualified_only
- InOut:
Scope
Name
Type
Initial
Comment
Constant
g_uiMaxTopicLevel
UINT
10
The maximal count of levels per topic
g_udiMaxQueuedPackets
UDINT
1000
The maximal count of queued packets that are possible to store
g_udiMaxPacketSize
UDINT
6000
Maximum size of a MQTT packet byte array, MUST be smaller than 256 MB !
g_udiMaxReceiveBufferSize
UDINT
g_udiMaxPacketSize
Maximum size of the receive buffer. This value should be large enough to store the packets to be received per one cycle.
g_udiMaxPayloadSize
UDINT
4096
Maximum size of a MQTT payload byte array, MUST be < than max. Packet Size !
g_udiMaxPublishersAndSubscribers
UDINT
20
Maximum number of publishers + subscribers
g_udiMaxUserProperties
UDINT
10
Maximum number of user properties per packet (MQTT V5 only)
g_udiMaxUserPropertyValueLength
UDINT
80
Maximum length of the user property key and value (MQTT V5 only, Range: 1 - 1024))
g_udiMaxCorrelationDataSize
UDINT
256
Maximum size of the correlation data (MQTT V5 only)
g_udiMaxAuthDataSize
UDINT
256
Maximum size of the authentication data (MQTT V5 only)