Subversion Repositories libIgnTiming

/// This file deals with calculating RPM

#pragma once

#include "main.h"

#if !defined RPMTIMER

#warning RPMTIMER was not set 

#endif

#if RPMTIMER==1

// construct macros to deal with interrupts from the given Timer channel

#define TIMER_IRQ_HANDLER TIM1_IRQHandler

#define TIMER_HANDLE htim1

#elif RPMTIMER==2

#define TIMER_IRQ_HANDLER TIM2_IRQHandler

#define TIMER_HANDLE htim2

#elif RPMTIMER==3

#define TIMER_IRQ_HANDLER TIM3_IRQHandler

#define TIMER_HANDLE htim3

#elif RPMTIMER==4

#define TIMER_IRQ_HANDLER TIM4_IRQHandler

#define TIMER_HANDLE htim4

#endif

#if defined RPMTIMER

#define RPM_FLAG (1UL << 16)    // set high if the CB points are opened

#define RPM_SAMPLES 256         // sample times per 100mS or 1000mS when testing

#define RPM_COUNT_RATE 100000UL // Counter increments at 100KHz (need to match in STM32CubeMX)

#define RPM_AVERAGE 4

#endif

#if defined __cplusplus

extern "C"

{

#endif

    // return rpm estimate or -1 if not calculated this time 

    extern int  CalculateRPM(void);

#if defined __cplusplus

}

#endif