quadratureencoder.hpp

00001 /**
00002  * @file quadratureencoder.hpp
00003  * @author RBRO/PJ-IU
00004  * @brief 
00005  * @version 0.1
00006  * @date 2018-10-23
00007  * 
00008  * @copyright Copyright (c) 2018
00009  * 
00010  */
00011 
00012 #ifndef Quadrature_ENCODER_HPP
00013 #define Quadrature_ENCODER_HPP
00014 
00015 #include <mbed.h>
00016 
00017 namespace encoders{
00018 /**
00019  * @brief  It an interface for accessing the encoder position. It can be used to get and to reset the position of the encoder.
00020  * 
00021  */
00022 class CQuadratureEncoder_TIMX{
00023     public:
00024       virtual int16_t getCount() = 0;
00025       virtual void reset() = 0;
00026 };
00027 
00028 /**
00029  * @brief It's a singleton class for receiving and decoding the Quadrature signal by using the timer TIM4. It can get the direction of the rotation.
00030  * 
00031  */
00032 class CQuadratureEncoder_TIM4:public CQuadratureEncoder_TIMX{
00033     /**
00034      * @brief It uses to destroy the singleton class.
00035      * 
00036      */
00037     class CQuadratureEncoder_TIM4_Destroyer{
00038     public:
00039         CQuadratureEncoder_TIM4_Destroyer(){}
00040         ~CQuadratureEncoder_TIM4_Destroyer();
00041         void SetSingleton(CQuadratureEncoder_TIM4* s);
00042     private:
00043          CQuadratureEncoder_TIM4* m_singleton;
00044     };
00045 
00046   public:
00047     static CQuadratureEncoder_TIM4 *Instance();
00048     int16_t getCount();
00049     void reset();
00050     virtual ~CQuadratureEncoder_TIM4() {}
00051   protected:
00052     CQuadratureEncoder_TIM4() {}
00053    
00054   private:
00055     void initialize();
00056     static CQuadratureEncoder_TIM4* m_instance;
00057     static CQuadratureEncoder_TIM4_Destroyer m_destroyer;
00058 };
00059 
00060 };// namepsace drivers
00061 
00062 
00063 #endif