root / scout / libscout / src / EncodersControl.h @ 9cb9623b
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/**
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* Copyright (c) 2011 Colony Project
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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/**
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* @file EncodersControl.h
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* @brief Contains encoder declarations and functions
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*
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* @author Colony Project, CMU Robotics Club
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* @author Alex Zirbel
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**/
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#ifndef _ENCODERS_CONTROL_H_
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#define _ENCODERS_CONTROL_H_
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#include <ros/ros.h> |
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#include <encoders/query_encoders.h> |
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#include "constants.h" |
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typedef struct encoder_readings |
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{ |
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unsigned int fl_ticks; |
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unsigned int fr_ticks; |
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unsigned int bl_ticks; |
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unsigned int br_ticks; |
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} encoder_readings; |
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class EncodersControl |
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{ |
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public:
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/** Set up the encoders class and prepare to communicate over ROS */
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EncodersControl(const ros::NodeHandle& libscout_node,
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std::string scoutname); |
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/** Use ROS to get the current encoder position. */
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encoder_readings query(); |
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private:
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/* ROS publisher and client declaration */
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ros::ServiceClient query_client; |
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ros::NodeHandle node; |
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}; |
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#endif
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