tobudos-kernel/Linux_Posix/mqtt_demo

How to run the demo in linux

step1

make sure your develop environment.

• cmake and version greater than 3.8.2
• gcc gdb make is installed

step2

configure your server and add a transmit rule

reference tencent cloud IoT guide?

additional thing, add a rule for send a message to the demo

1. select filter topic is the ${demo device}/event and SELECT * FROM ${demo device}/event
2. select action type is Republish and topic is the ${demo device}/control

the page like this

---

规则引擎
基本信息
规则名称 loop
规则描述 未填写
--------------------------------------------
筛选数据
字段 _
Topic ${demo device}/event
条件
当前 SQL 语句是：
SELECT _ ${demo device}/event
--------------------------------------------
行为操作
行为类型 数据转发到另一个 Topic ( Republish )
Topic ${demo device}/control
...

---

step3

generate mqtt_config.h file to replace ./inc/mqtt_config.h

cd tiny/tools/ directory, run python script

python3 mqtt_config_gen.py

then input your server configuration, generate mqtt_config.h file copy to ./inc/ replace old file

step4

make build directory and compile in build

mkdir build && cd build
cmake ..
make

step5

run program !!

# in build directory
./mqtt_demo

other

you can copy this demo to other path, but if you want do it, you need modify CMakeLists.txt. find line

set(TINY_ROOT ../../../)

and modify path-to-tinyos

set(TINY_ROOT path-to-tinyos)