tarou yamada / rotary_encoder

It is based on https://developer.mbed.org/users/gregeric/code/Nucleo_Hello_Encoder/

rotary_encoder_abz_phase/rotary_encoder_abz_phase.hpp@3:65021ea3fae5, 2016-03-31 (annotated)

Committer:
inst
Date:
Thu Mar 31 04:42:31 2016 +0000
Revision:
3:65021ea3fae5
Parent:
2:4580c3869b7b 

        

        
Who changed what in which revision?

        

            
                
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#ifndef INCLUDED_MBED_STL_ROTARY_ENCODER_ABZ_PHASE_H





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#define INCLUDED_MBED_STL_ROTARY_ENCODER_ABZ_PHASE_H





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#include "rotary_encoder_base.hpp"





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#include "mbed.h"





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/*





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 * TIM1_CH1: AF1 @ PA_8





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 * TIM1_CH2: AF1 @ PA_9





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 *





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 * TIM2_CH1: AF1 @ PA_0





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 * TIM2_CH2: AF1 @ PA_1





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 *





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 * TIM3_CH1: AF2 @ PB_4





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 * TIM3_CH2: AF2 @ PB_5





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 *





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 * TIM4_CH1: AF2 @ PB_6, PD_12





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 * TIM4_CH2: AF2 @ PB_7, PD_13





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 *





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 * TIM5_CH1: AF2 @ PA_0*    *TIM5 used by mbed system ticker so unavailable





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 * TIM5_CH2: AF2 @ PA_1*





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 *





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 */





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namespace mbed_stl {





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class rotary_encoder_abz_phase : public rotary_encoder_base {





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public:





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    rotary_encoder_abz_phase(TIM_TypeDef* timer_type, PinName z_pin, size_t resolution);





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    virtual ~rotary_encoder_abz_phase() {}





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    virtual int32_t get_counts() const;





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    virtual void reset();





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private:





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    void intr_z_phase_first();





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    void intr_z_phase();





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    InterruptIn z_phase_intr_;





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    uint32_t counts_in_prev_intr_;





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};





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} /* namespace mbed_stl */





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#endif