timer_msp432.h

/*
 *
 *  Created on: 27.02.2017
 *      Author: aterstegge
 */
 
#ifndef _TIMER_MSP432_H_
#define _TIMER_MSP432_H_
 
#include "timer_interface.h"
#include "msp.h"
 
extern "C" {
void T32_INT1_IRQHandler(void);
void T32_INT2_IRQHandler(void);
}
 
class timer_msp432 : public timer_interface {
public:
    timer_msp432(Timer32_Type *timer = TIMER32_1);
 
    virtual ~timer_msp432();
 
    void setPeriod(uint32_t us, TIMER::timer_mode mode = TIMER::ONE_SHOT);
    uint32_t getPeriod();
 
    void setCallback(function<void()> f);
    void start();
    void stop();
    bool isRunning();
    void reset();
 
    // Additional methods (not in timer_interface)
    void setNanoPeriod(uint32_t ns, TIMER::timer_mode mode = TIMER::ONE_SHOT);
 
    uint32_t getNanoPeriod();
 
    // IRQ handlers are our best friends
    friend void T32_INT1_IRQHandler(void);
    friend void T32_INT2_IRQHandler(void);
 
private:
 
    static function<void()> _intHandler1;
    static function<void()> _intHandler2;
 
    Timer32_Type *_timer;
    uint32_t _factor;    // count for one us
    uint32_t _period_us; // load value in us
    uint32_t _period_ns; // load value in ns
    uint32_t _period_load;
};
 
#endif // _TIMER_MSP432_H_