##xm_hw node ###Description: A ros node to communicate between ROS and STM32F4 ###Usage

1. install roscontrol packages that required.
2. Change the path in main.cpp to your computer path.
3. Build the package
4. if you want to change the speed of communicate with the STM32F4 change the config.txt in xm_hw/config/config.txt
5. roslaunch xm_hw xm_hw.launch