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SMQ C Client Library
SMQ C client library for microcontrollers. The library includes porting layers for many RTOS environments, including bare metal.
SMQ, based on the publish - subscribe pattern, provides features similar to other pub/sub protocols such as MQTT. However, SMQ extends the pub/sub pattern with additional features such as one-to-one messaging and sender's address, features typically required in device management.
See the SMQ home page for details
License
The source code is released under the Eclipse Public License - V 2.0: https://www.eclipse.org/legal/epl-v20.html
You may compile a Program licensed under the EPL without modification and commercially license the result in accordance with the terms of the EPL.
This Source Code may also be made available under the following Secondary Licenses when the conditions for such availability set forth in the Eclipse Public License, v. 2.0 are satisfied: GNU General Public License, version 2.
Documentation
Compiling
The build includes the SMQ library and a LED demonstration program. The LED demonstration program connects to the online public test broker. Initially, you may want to test the LED example by compiling and running the example code using the ready-to-use online C compiler setup. See the following video for details on using the online compiler.
Build instructions for Windows, Linux, and Mac
The VcMake directory contains Visual Studio build files. The included Makefile compiles the library and the example program on any Linux/Mac computer.
Build instructions for embedded systems
The example code m2m-led.c requires porting to your embedded board's LED(s). See the tutorial Interfacing LED Demo Programs to Hardware for details.
See the src/arch directory for cross compiling details.