00001 /********************************************************************* 00002 * 00003 * Software License Agreement (BSD License) 00004 * 00005 * Copyright (c) 2013, Robert Bosch LLC. 00006 * All rights reserved. 00007 * 00008 * Redistribution and use in source and binary forms, with or without 00009 * modification, are permitted provided that the following conditions 00010 * are met: 00011 * 00012 * * Redistributions of source code must retain the above copyright 00013 * notice, this list of conditions and the following disclaimer. 00014 * * Redistributions in binary form must reproduce the above 00015 * copyright notice, this list of conditions and the following 00016 * disclaimer in the documentation and/or other materials provided 00017 * with the distribution. 00018 * * Neither the name of the Robert Bosch nor the names of its 00019 * contributors may be used to endorse or promote products derived 00020 * from this software without specific prior written permission. 00021 * 00022 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00023 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00024 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00025 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 00026 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00027 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00028 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00029 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00030 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00031 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 00032 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00033 * POSSIBILITY OF SUCH DAMAGE. 00034 * 00035 *********************************************************************/ 00036 00037 //\Author Kai Franke, Robert Bosch LLC 00038 00039 #ifndef ENCODER_Driver_H_ 00040 #define ENCODER_Driver_H_ 00041 00042 // ROS headers for debugging output 00043 #include <ros/console.h> 00044 #include <bosch_drivers_common.hpp> 00045 #include <bosch_drivers_sensor_driver.hpp> 00046 #include <bosch_drivers_hardware_interface.hpp> 00047 00048 using namespace bosch_drivers_common; 00049 00064 class EncoderDriver: public sensor_driver 00065 { 00066 00067 public: 00075 EncoderDriver( bosch_hardware_interface* hw, uint8_t encoder1_pin, uint8_t encoder2_pin ); 00076 00081 EncoderDriver( bosch_hardware_interface* hw, uint8_t encoder_id ); 00082 00083 // Destructor: 00084 ~EncoderDriver(); 00085 00086 // Public Driver Methods: 00087 uint8_t getDeviceAddress( void ); 00088 00094 bool setPosition( int32_t position ); 00095 00101 int64_t getPosition(); 00102 00108 bool initialize(); 00109 00115 uint8_t getEncoderID(); 00116 00122 void invertOutput(); 00123 00124 private: 00125 00126 uint8_t _encoder1_pin; 00127 uint8_t _encoder2_pin; 00128 uint8_t _encoder_id; 00129 int64_t _overflow; 00130 int32_t _last_position; 00131 int invert_; 00132 }; 00133 00134 #endif // ENCODER_Driver_H_