pinxian wu / Mbed 2 deprecated ROS_HCSR04

HCSR04 with ROS

Dependencies:   Pulse mbed ros_lib_kinetic

History

ROS_HCSR04; default tip

2017-07-12, by wupinxian [Wed, 12 Jul 2017 02:23:53 +0000] rev 0

ROS_HCSR04;