File content as of revision 0:918566a376fb:

/*
* FiniteStateMachine. Table driven Finite State Machine library 
* based on theHarel state machine, supporting actions on transitions, state
* entry and state exit.
*
* Copyright (C) <2009> Petras Saduikis <petras@petras.co.uk>
*
* This file is part of FiniteStateMachine.
*
* FiniteStateMachine is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* 
* FiniteStateMachine is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with DebugTrace.  If not, see <http://www.gnu.org/licenses/>.
*/

#include <mbed.h>
#include "MyInterruptHandler.h"
#include "FSMDefs.h"
#include "FSM.h"
#include "DebugTrace.h"

DebugTrace pc(ON, TO_SERIAL);

typedef void (MyInterruptHandler::* clientActionPtr)( );

// states
const char* S_START     = "Start";
const char* S_LED_SEQ1  = "LedSeq1";
const char* S_LED_SEQ2  = "LedSeq2";

const StateDefinition<clientActionPtr> states[] = 
   {// state,        entry action,                         exit action
       S_START,       NULL,                                NULL,
       S_LED_SEQ1,    &MyInterruptHandler::ledSequence1,   NULL,
       S_LED_SEQ2,    &MyInterruptHandler::ledSequence2,   NULL
   };
const int total_states = sizeof(states)/sizeof(StateDefinition<clientActionPtr>);

// transitions
const TransitionDefinition<clientActionPtr> transitions[] = 
   {// start state,     event,          type        transition action,    end state
       S_START,         (int)intr1,     actions,    NULL,                 S_LED_SEQ1,
       S_LED_SEQ1,      (int)intr2,     actions,    NULL,                 S_LED_SEQ2,
       S_LED_SEQ2,      (int)intr1,     actions,    NULL,                 S_LED_SEQ1,
       S_LED_SEQ1,      (int)tickr1,    actions,    NULL,                 S_LED_SEQ1,
       S_LED_SEQ2,      (int)tickr1,    actions,    NULL,                 S_LED_SEQ2,
   };
const int total_transitions = sizeof(transitions)/sizeof(TransitionDefinition<clientActionPtr>);

// declare a state machine
static FiniteStateMachine<MyInterruptHandler, clientActionPtr, total_states> itsStateMachine;

// put LEDs on a bus for convenience
BusOut leds(LED1, LED2, LED3, LED4);


MyInterruptHandler::MyInterruptHandler() : interrupt1(p5), interrupt2(p6)
{
    // init state machine
    itsStateMachine.initialize(this, states, total_states, transitions, total_transitions, S_START);
    
    // attach callbacks for interrupts and timer
    interrupt1.rise(this, &MyInterruptHandler::intrhandler1);
    interrupt2.rise(this, &MyInterruptHandler::intrhandler2);
    ticker1.attach(this, &MyInterruptHandler::tickerhandler1, 0.5);
}

void MyInterruptHandler::processEvent(clientEvent event_id)
{
    itsStateMachine.traverse((int)event_id);
}

void MyInterruptHandler::intrhandler1()
{
    processEvent(intr1);
}

void MyInterruptHandler::intrhandler2()
{
    processEvent(intr2);
}

void MyInterruptHandler::tickerhandler1()
{
    processEvent(tickr1);
}

void MyInterruptHandler::ledSequence1()
{
    pc.traceOut("ledSequence1\r\n");
    (0x00 == leds || 0x08 == leds) ? leds = 1 : leds = leds << 1;
}

void MyInterruptHandler::ledSequence2()
{
    pc.traceOut("ledSequence2\r\n");
    (0x00 == leds || 0x01 == leds) ? leds = 8 : leds = leds >> 1;
}