speeduino-personal/speeduino/board_stm32.h

#ifndef STM32_H
#define STM32_H
#if defined(CORE_STM32) && !defined(ARDUINO_BLACK_F407VE)

#if defined(STM32F4)
    //These should really be in the stm32GENERIC libs, but for somereason they only have timers 1-4
//    #include <stm32_TIM_variant_11.h>
//      #include "src/HardwareTimers/HardwareTimer.h"
//    HardwareTimer Timer5(TIM5, chip_tim5, sizeof(chip_tim5) / sizeof(chip_tim5[0]));
//    HardwareTimer Timer8(TIM8, chip_tim8, sizeof(chip_tim8) / sizeof(chip_tim8[0]));
#else
  #include "HardwareTimer.h"
#endif

/*
***********************************************************************************************************
* General
*/
  #define PORT_TYPE uint8_t
  #define micros_safe() micros() //timer5 method is not used on anything but AVR, the micros_safe() macro is simply an alias for the normal micros()
  
  #define USE_SERIAL3
  void initBoard();
  uint16_t freeRam();
//  extern void oneMSIntervalIRQ(stimer_t *Timer);
  
  extern void EmptyIRQCallback(stimer_t *Timer, uint32_t channel);
  #if defined(USE_STM32GENERIC)
    #define Serial Serial1
  #endif

 /*
***********************************************************************************************************
* Schedules
*/
  #define MAX_TIMER_PERIOD 65535 //The longest period of time (in uS) that the timer can permit (IN this case it is 65535 * 2, as each timer tick is 2uS)
  #define MAX_TIMER_PERIOD_SLOW 65535 //The longest period of time (in uS) that the timer can permit (IN this case it is 65535 * 2, as each timer tick is 2uS)
  #define uS_TO_TIMER_COMPARE(uS) (uS ) //Converts a given number of uS into the required number of timer ticks until that time has passed.
  #define uS_TO_TIMER_COMPARE_SLOW(uS) (uS ) //Converts a given number of uS into the required number of timer ticks until that time has passed.

    #define FUEL1_COUNTER (TIM3)->CNT
    #define FUEL2_COUNTER (TIM3)->CNT
    #define FUEL3_COUNTER (TIM3)->CNT
    #define FUEL4_COUNTER (TIM3)->CNT

    #define FUEL1_COMPARE (TIM3)->CCR1
    #define FUEL2_COMPARE (TIM3)->CCR2
    #define FUEL3_COMPARE (TIM3)->CCR3
    #define FUEL4_COMPARE (TIM3)->CCR4

    #define IGN1_COUNTER  (TIM2)->CNT
    #define IGN2_COUNTER  (TIM2)->CNT
    #define IGN3_COUNTER  (TIM2)->CNT
    #define IGN4_COUNTER  (TIM2)->CNT

    #define IGN1_COMPARE (TIM2)->CCR1
    #define IGN2_COMPARE (TIM2)->CCR2
    #define IGN3_COMPARE (TIM2)->CCR3
    #define IGN4_COMPARE (TIM2)->CCR4

    #ifndef SMALL_FLASH_MODE
        #define FUEL5_COUNTER (TIM5)->CNT
        #define FUEL6_COUNTER (TIM5)->CNT
        #define FUEL7_COUNTER (TIM5)->CNT
        #define FUEL8_COUNTER (TIM5)->CNT

        #define FUEL5_COMPARE (TIM5)->CCR1
        #define FUEL6_COMPARE (TIM5)->CCR2
        #define FUEL7_COMPARE (TIM5)->CCR3
        #define FUEL8_COMPARE (TIM5)->CCR4

        #define IGN5_COUNTER  (TIM4)->CNT
        #define IGN6_COUNTER  (TIM4)->CNT
        #define IGN7_COUNTER  (TIM4)->CNT
        #define IGN8_COUNTER  (TIM4)->CNT

        #define IGN5_COMPARE (TIM4)->CCR1
        #define IGN6_COMPARE (TIM4)->CCR2
        #define IGN7_COMPARE (TIM4)->CCR3
        #define IGN8_COMPARE (TIM4)->CCR4
  #endif  
    //https://github.com/rogerclarkmelbourne/Arduino_STM32/blob/754bc2969921f1ef262bd69e7faca80b19db7524/STM32F1/system/libmaple/include/libmaple/timer.h#L444
    #define FUEL1_TIMER_ENABLE() (TIM3)->CCER |= TIM_CCER_CC1E
    #define FUEL2_TIMER_ENABLE() (TIM3)->CCER |= TIM_CCER_CC2E
    #define FUEL3_TIMER_ENABLE() (TIM3)->CCER |= TIM_CCER_CC3E
    #define FUEL4_TIMER_ENABLE() (TIM3)->CCER |= TIM_CCER_CC4E

    #define FUEL1_TIMER_DISABLE() (TIM3)->CCER &= ~TIM_CCER_CC1E
    #define FUEL2_TIMER_DISABLE() (TIM3)->CCER &= ~TIM_CCER_CC2E
    #define FUEL3_TIMER_DISABLE() (TIM3)->CCER &= ~TIM_CCER_CC3E
    #define FUEL4_TIMER_DISABLE() (TIM3)->CCER &= ~TIM_CCER_CC4E

    #define IGN1_TIMER_ENABLE() (TIM2)->CCER |= TIM_CCER_CC1E
    #define IGN2_TIMER_ENABLE() (TIM2)->CCER |= TIM_CCER_CC2E
    #define IGN3_TIMER_ENABLE() (TIM2)->CCER |= TIM_CCER_CC3E
    #define IGN4_TIMER_ENABLE() (TIM2)->CCER |= TIM_CCER_CC4E

    #define IGN1_TIMER_DISABLE() (TIM2)->CCER &= ~TIM_CCER_CC1E
    #define IGN2_TIMER_DISABLE() (TIM2)->CCER &= ~TIM_CCER_CC2E
    #define IGN3_TIMER_DISABLE() (TIM2)->CCER &= ~TIM_CCER_CC3E
    #define IGN4_TIMER_DISABLE() (TIM2)->CCER &= ~TIM_CCER_CC4E

    #ifndef SMALL_FLASH_MODE
        #define FUEL5_TIMER_ENABLE() (TIM5)->CCER |= TIM_CCER_CC1E
        #define FUEL6_TIMER_ENABLE() (TIM5)->CCER |= TIM_CCER_CC2E
        #define FUEL7_TIMER_ENABLE() (TIM5)->CCER |= TIM_CCER_CC3E
        #define FUEL8_TIMER_ENABLE() (TIM5)->CCER |= TIM_CCER_CC4E

        #define FUEL5_TIMER_DISABLE() (TIM5)->CCER &= ~TIM_CCER_CC1E
        #define FUEL6_TIMER_DISABLE() (TIM5)->CCER &= ~TIM_CCER_CC2E
        #define FUEL7_TIMER_DISABLE() (TIM5)->CCER &= ~TIM_CCER_CC3E
        #define FUEL8_TIMER_DISABLE() (TIM5)->CCER &= ~TIM_CCER_CC4E

        #define IGN5_TIMER_ENABLE() (TIM4)->CCER |= TIM_CCER_CC1E
        #define IGN6_TIMER_ENABLE() (TIM4)->CCER |= TIM_CCER_CC2E
        #define IGN7_TIMER_ENABLE() (TIM4)->CCER |= TIM_CCER_CC3E
        #define IGN8_TIMER_ENABLE() (TIM4)->CCER |= TIM_CCER_CC4E

        #define IGN5_TIMER_DISABLE() (TIM4)->CCER &= ~TIM_CCER_CC1E
        #define IGN6_TIMER_DISABLE() (TIM4)->CCER &= ~TIM_CCER_CC2E
        #define IGN7_TIMER_DISABLE() (TIM4)->CCER &= ~TIM_CCER_CC3E
        #define IGN8_TIMER_DISABLE() (TIM4)->CCER &= ~TIM_CCER_CC4E
    #endif
  


/*
***********************************************************************************************************
* Auxilliaries
*/
    #if defined(ARDUINO_ARCH_STM32) // STM32GENERIC core
        #define ENABLE_BOOST_TIMER()  (TIM1)->CCER |= TIM_CCER_CC2E
        #define DISABLE_BOOST_TIMER() (TIM1)->CCER &= ~TIM_CCER_CC2E

        #define ENABLE_VVT_TIMER()    (TIM1)->CCER |= TIM_CCER_CC3E
        #define DISABLE_VVT_TIMER()   (TIM1)->CCER &= ~TIM_CCER_CC3E

        #define BOOST_TIMER_COMPARE   (TIM1)->CCR2
        #define BOOST_TIMER_COUNTER   (TIM1)->CNT
        #define VVT_TIMER_COMPARE     (TIM1)->CCR3
        #define VVT_TIMER_COUNTER     (TIM1)->CNT
    #else //libmaple core aka STM32DUINO
        #define ENABLE_BOOST_TIMER()  (TIMER1->regs).gen->CCER |= TIMER_CCER_CC2E
        #define DISABLE_BOOST_TIMER() (TIMER1->regs).gen->CCER &= ~TIMER_CCER_CC2E

        #define ENABLE_VVT_TIMER()    (TIMER1->regs).gen->CCER |= TIMER_CCER_CC3E
        #define DISABLE_VVT_TIMER()   (TIMER1->regs).gen->CCER &= ~TIMER_CCER_CC3E

        #define BOOST_TIMER_COMPARE   (TIMER1->regs).gen->CCR2
        #define BOOST_TIMER_COUNTER   (TIMER1->regs).gen->CNT
        #define VVT_TIMER_COMPARE     (TIMER1->regs).gen->CCR3
        #define VVT_TIMER_COUNTER     (TIMER1->regs).gen->CNT
    #endif

/*
***********************************************************************************************************
* Idle
*/
    #if defined(ARDUINO_ARCH_STM32) // STM32GENERIC core
        #define IDLE_COUNTER   (TIM1)->CNT
        #define IDLE_COMPARE   (TIM1)->CCR4

        #define IDLE_TIMER_ENABLE()  (TIM1)->CCER |= TIM_CCER_CC4E
        #define IDLE_TIMER_DISABLE() (TIM1)->CCER &= ~TIM_CCER_CC4E
    #else //libmaple core aka STM32DUINO
        #define IDLE_COUNTER   (TIMER1->regs).gen->CNT
        #define IDLE_COMPARE   (TIMER1->regs).gen->CCR4

        #define IDLE_TIMER_ENABLE()  (TIMER1->regs).gen->CCER |= TIMER_CCER_CC4E
        #define IDLE_TIMER_DISABLE() (TIMER1->regs).gen->CCER &= ~TIMER_CCER_CC4E
    #endif

/*
***********************************************************************************************************
* Timers
*/


/*
***********************************************************************************************************
* CAN / Second serial
*/

#endif //CORE_STM32
#endif //STM32_H