// TimeBomb example with State Machine Compiler (SMC)


// code literally copied to the *_sm.c file...
%{

#include "uc_ao.h"  /* uC/AO API */
#include "bsp.h"
#include "timebomb.h"

void TimeBomb_ctor(TimeBomb * const me) {
    Active_ctor(&me->super, (DispatchHandler)&TimeBomb_dispatch);
    timebombContext_Init(&me->_fsm, me);
    TimeEvent_ctor(&me->te, TIMEOUT_SIG, &me->super);
}

void TimeBomb_dispatch(TimeBomb * const me, Event const * const e) {
    /* temporary 'fsm' needed to fix the bug in SMC macro ENTRY_STATE() */
    struct timebombContext *fsm = &me->_fsm;
    switch (e->sig) {
        case INIT_SIG:
            timebombContext_EnterStartState(fsm);
            break;
        case BUTTON_PRESSED_SIG:
            timebombContext_BUTTON(fsm, e);
            break;
        case TIMEOUT_SIG:
            timebombContext_TIMEOUT(fsm, e);
            break;
    }
}

/* action functions... */
static inline void TimeBomb_ledRedOn(TimeBomb * const me) {
    BSP_ledRedOn();
}
static inline void TimeBomb_ledRedOff(TimeBomb * const me) {
    BSP_ledRedOff();
}
static inline void TimeBomb_ledBlueOn(TimeBomb * const me) {
    BSP_ledBlueOn();
}
static inline void TimeBomb_ledBlueOff(TimeBomb * const me) {
    BSP_ledBlueOff();
}
static inline void TimeBomb_ledGreenOn(TimeBomb * const me) {
    BSP_ledGreenOn();
}
static inline void TimeBomb_ledGreenOff(TimeBomb * const me) {
    BSP_ledGreenOff();
}
static inline void TimeBomb_setBlinkCtr(TimeBomb * const me,
                                        uint32_t blink_ctr)
{
    me->blink_ctr = blink_ctr;
}
static inline void TimeBomb_decBlinkCtr(TimeBomb * const me) {
    --me->blink_ctr;
}
static inline void TimeBomb_armTE(TimeBomb * const me,
                                  uint32_t timeout, uint32_t interval)
{
    TimeEvent_arm(&me->te, timeout, interval);
}

%}

%class TimeBomb
//%header timebomb.h // already included earlier

// initial .............................................
%start TimeBombMap::wait4button

%map TimeBombMap
%%

// state ...............................................
wait4button
    Entry {
        ledGreenOn();
    }
    Exit {
        ledGreenOff();
    }
{
    BUTTON(e : Event const *const)  // trigger
        blink { // taraget state
            setBlinkCtr(5U);
        }
}

// state ...............................................
blink
    Entry {
        ledRedOn();
        armTE(OS_TICKS_PER_SEC/2, 0U);
    }
    Exit {
        ledRedOff();
    }
{
    TIMEOUT(e : Event const *const)   // trigger
        pause { // target state
            decBlinkCtr();
        }
}

// state ...............................................
pause
    Entry {
        armTE(OS_TICKS_PER_SEC/2, 0U);
    }
{
    TIMEOUT(e : Event const *const)   // trigger
        [ctxt->blink_ctr > 0U]        // guard
        blink { // target state
        }
    TIMEOUT(e : Event const *const)   // trigger [else]
        boom { // target state
        }
}

// state ...............................................
boom
    Entry {
        ledRedOn();
        ledGreenOn();
        ledBlueOn();
    }
{
}

%%