Osamu Koizumi
HelloMQTT over TLS.
Fork of
HelloMQTT
by 
Osamu Koizumi
HelloMQTT over TLS
This program is a fork of HelloMQTT. Added TLS capability by using TLSSocket library. Tested on K64F.
This sample program connects to iot.eclipse.org:8883 by default. Verifies server identification. Subscribes a certain topic. Then publishes three messages with different QoSs, i.e. QoS0, QoS1, and QoS2.
Warning
Some brokers do not accept QoS2 and/or QoS1 message. For example, AWS IoT Message Broker doesn't accept QoS2. In such broker, this program doesn't work as is. Change QoS level.
Output from console
HelloMQTT: version is 0.70 Opening network interface... Network interface opened successfully. Connecting to host iot.eclipse.org:8883 ... Connection established. MQTT client is trying to connect the server ... Client connected. Client is trying to subscribe a topic "mbed-test". Client has subscribed a topic "mbed-test". Client publishes messages ... Publishing message QoS 0. QoS 0 message published. ! Message arrived: qos 0, retained 0, dup 0, packetid 6257 ! Payload Hello World! QoS 0 message from app version 0.700000 Publishing message QoS 1. QoS 1 message published. ! Message arrived: qos 1, retained 0, dup 0, packetid 1 ! Payload Hello World! QoS 1 message from app version 0.700000 Publishing message QoS 2. QoS 2 message published. ! Message arrived: qos 2, retained 0, dup 0, packetid 2 ! Payload Hello World! QoS 2 message from app version 0.700000 Version 0.70: finish 3 msgs
Known Issues
On K64F, when serial baud rate is changed from 9600 to 115200, program fails.
Diff: easy-connect.lib
- Revision:
- 24:e7cf8b02e012
- Parent:
- 22:f5f6c9059eed
- Child:
- 35:c8fd5859a455
diff -r e38aaf532823 -r e7cf8b02e012 easy-connect.lib --- a/easy-connect.lib Tue Jan 16 13:41:29 2018 +0000 +++ b/easy-connect.lib Mon Apr 16 18:55:41 2018 +0900 @@ -1,1 +1,1 @@ -https://github.com/ARMmbed/easy-connect/#cb933fb19cda0a733a64d6b71d271fb6bdaf9e6d +https://github.com/ARMmbed/easy-connect/#96a8c007a8ace5dcb6e541d4bf3ff1e6be8e5740