/** \mainpage HAPTIX Communication API Reference

This site provides useful information about the HAPTIX API.  Should you find problems with this documentation - typos, unclear phrases,
or insufficient detail - please create a <a
  href="https://bitbucket.org/osrf/haptix-comm/issues/new">new bitbucket issue</a>.
Include sufficient detail to quickly locate the problematic documentation,
and set the issue's fields accordingly: Assignee - blank; Kind - bug;
Priority - minor; Version - blank.

<h2>Get Started</h2>

  This API contains two headers:

  - haptix.h : The primary HAPTIX interface

  - haptix_sim.h : Simulation specific interface

  Important functions:

  - hx_connect(int _target) : Connect to specified device/simulator target

  - hx_update(int _target, const hxCommand *_command, hxSensor *_sensor) : Synchronous update at the rate supported by the device

  - hx_getdeviceinfo(int _target, hxDeviceInfo *_deviceinfo) : Get info for specified device/simulator target

  - hx_close(int _target) : Close connection to specified device/simulator target
*/