MQTTAsync_connectData
#include <MQTTAsync.h>
char
struct_id [4]
int struct_version
const char * username
struct {
int len
const void * data
} binarypwd
The connect options that can be updated before an automatic reconnect.
The eyecatcher for this structure. Will be MQCD.
The version number of this structure. Will be 0
MQTT servers that support the MQTT v3.1 protocol provide authentication and authorisation by user name and password. This is the user name parameter. Set data to NULL to remove. To change, allocate new storage with ::MQTTAsync_allocate - this will then be free later by the library.
binary password length
binary password data
The password parameter of the MQTT authentication. Set data to NULL to remove. To change, allocate new storage with ::MQTTAsync_allocate - this will then be free later by the library.
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