esp-idf/components/mqtt/Kconfig

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menu "ESP-MQTT Configurations"
config MQTT_PROTOCOL_311
bool "Enable MQTT protocol 3.1.1"
default y
help
If not, this library will use MQTT protocol 3.1
config MQTT_PROTOCOL_5
bool "Enable MQTT protocol 5.0"
default n
help
If not, this library will not support MQTT 5.0
config MQTT_TRANSPORT_SSL
bool "Enable MQTT over SSL"
default y
help
Enable MQTT transport over SSL with mbedtls
config MQTT_TRANSPORT_WEBSOCKET
bool "Enable MQTT over Websocket"
default y
depends on WS_TRANSPORT
help
Enable MQTT transport over Websocket.
config MQTT_TRANSPORT_WEBSOCKET_SECURE
bool "Enable MQTT over Websocket Secure"
default y
depends on MQTT_TRANSPORT_WEBSOCKET
depends on MQTT_TRANSPORT_SSL
help
Enable MQTT transport over Websocket Secure.
config MQTT_MSG_ID_INCREMENTAL
bool "Use Incremental Message Id"
default n
help
Set this to true for the message id (2.3.1 Packet Identifier) to be generated
as an incremental number rather then a random value (used by default)
config MQTT_SKIP_PUBLISH_IF_DISCONNECTED
bool "Skip publish if disconnected"
default n
help
Set this to true to avoid publishing (enqueueing messages) if the client is disconnected.
The MQTT client tries to publish all messages by default, even in the disconnected state
(where the qos1 and qos2 packets are stored in the internal outbox to be published later)
The MQTT_SKIP_PUBLISH_IF_DISCONNECTED option allows applications to override this behaviour
and not enqueue publish packets in the disconnected state.
config MQTT_REPORT_DELETED_MESSAGES
bool "Report deleted messages"
default n
help
Set this to true to post events for all messages which were deleted from the outbox
before being correctly sent and confirmed.
config MQTT_USE_CUSTOM_CONFIG
bool "MQTT Using custom configurations"
default n
help
Custom MQTT configurations.
config MQTT_TCP_DEFAULT_PORT
int "Default MQTT over TCP port"
default 1883
depends on MQTT_USE_CUSTOM_CONFIG
help
Default MQTT over TCP port
config MQTT_SSL_DEFAULT_PORT
int "Default MQTT over SSL port"
default 8883
depends on MQTT_USE_CUSTOM_CONFIG
depends on MQTT_TRANSPORT_SSL
help
Default MQTT over SSL port
config MQTT_WS_DEFAULT_PORT
int "Default MQTT over Websocket port"
default 80
depends on MQTT_USE_CUSTOM_CONFIG
depends on MQTT_TRANSPORT_WEBSOCKET
help
Default MQTT over Websocket port
config MQTT_WSS_DEFAULT_PORT
int "Default MQTT over Websocket Secure port"
default 443
depends on MQTT_USE_CUSTOM_CONFIG
depends on MQTT_TRANSPORT_WEBSOCKET
depends on MQTT_TRANSPORT_WEBSOCKET_SECURE
help
Default MQTT over Websocket Secure port
config MQTT_BUFFER_SIZE
int "Default MQTT Buffer Size"
default 1024
depends on MQTT_USE_CUSTOM_CONFIG
help
This buffer size using for both transmit and receive
config MQTT_TASK_STACK_SIZE
int "MQTT task stack size"
default 6144
depends on MQTT_USE_CUSTOM_CONFIG
help
MQTT task stack size
config MQTT_DISABLE_API_LOCKS
bool "Disable API locks"
default n
depends on MQTT_USE_CUSTOM_CONFIG
help
Default config employs API locks to protect internal structures. It is possible to disable
these locks if the user code doesn't access MQTT API from multiple concurrent tasks
config MQTT_TASK_PRIORITY
int "MQTT task priority"
default 5
depends on MQTT_USE_CUSTOM_CONFIG
help
MQTT task priority. Higher number denotes higher priority.
config MQTT_TASK_CORE_SELECTION_ENABLED
bool "Enable MQTT task core selection"
help
This will enable core selection
choice MQTT_TASK_CORE_SELECTION
depends on MQTT_TASK_CORE_SELECTION_ENABLED
prompt "Core to use ?"
config MQTT_USE_CORE_0
bool "Core 0"
config MQTT_USE_CORE_1
bool "Core 1"
endchoice
config MQTT_CUSTOM_OUTBOX
bool "Enable custom outbox implementation"
default n
help
Set to true if a specific implementation of message outbox is needed (e.g. persistent outbox in NVM or
similar).
Note: Implementation of the custom outbox must be added to the mqtt component. These CMake commands
could be used to append the custom implementation to lib-mqtt sources:
idf_component_get_property(mqtt mqtt COMPONENT_LIB)
set_property(TARGET ${mqtt} PROPERTY SOURCES ${PROJECT_DIR}/custom_outbox.c APPEND)
config MQTT_OUTBOX_EXPIRED_TIMEOUT_MS
int "Outbox message expired timeout[ms]"
default 30000
depends on MQTT_USE_CUSTOM_CONFIG
help
Messages which stays in the outbox longer than this value before being published will be discarded.
endmenu