Adafruit IO Arduino Library
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Class that contains MQTT subscription callbacks. More...
#include <AdafruitIO_MQTT.h>
Public Member Functions | |
virtual void | subCallback (char *val, uint16_t len)=0 |
Creates an instance of a MQTT subscription callback. More... | |
Class that contains MQTT subscription callbacks.
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pure virtual |
Creates an instance of a MQTT subscription callback.
val | Value from the MQTT subscription callback. |
len | Length of returned value. |
Implemented in AdafruitIO_Feed, AdafruitIO_Group, and AdafruitIO_Time.