mqtt: Add docs on MQTT_CUSTOM_OUTBOX implentation
Closes
@@ -137,8 +137,12 @@ menu "ESP-MQTT Configurations"
bool "Enable custom outbox implementation"
default n
help
- Set to true if a specific implementation of message outbox is needed (e.g. persistant outbox in NVM or
+ 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]"
