Need MQTT +TLS DEMO

[staunchheart]

need MQTT +mbedtls demo
components/net/lib/mqtt/MQTT-C/examples/mbedtls_publisher.c
can not work.

[gamelaster]

what do you mean with "can not work" ?

[staunchheart]

what do you mean with "can not work" ?

1、mbedtls_net_connect-> getaddrinfo( host, port, &hints, &addr_list ) return MBEDTLS_ERR_NET_UNKNOWN_HOST
2、change to netconn_gethostbyname(host, &addr);
build ok,
mbedtls_ssl_handshake no error
mqtt_init no error
mqtt_connect no error
but server not real connected;
mqtt_sync/mqtt_publish/mqtt_sync return MQTT_ERROR_UNKNOWN

[gamelaster]

Which chip do you use? BL616?

[staunchheart]

Which chip do you use? BL616?
yes BL616

[staunchheart]

Which chip do you use? BL616?

can add a examples to /wifi/sta/xxxx ?

[gamelaster]

sorry, I do not have the example.

[staunchheart]

sorry, I do not have the example.

1、mbedtls_net_connect-> getaddrinfo( host, port, &hints, &addr_list ) return MBEDTLS_ERR_NET_UNKNOWN_HOST
2、change to netconn_gethostbyname(host, &addr);
build ok,
mbedtls_ssl_handshake no error
mqtt_init no error
mqtt_connect no error
but server not real connected;
mqtt_sync/mqtt_publish/mqtt_sync return MQTT_ERROR_UNKNOWN

Can you help me solve this problem?