Quantum Leaps e0f9c36c2f 4.5.01
2012-08-14 18:00:48 -04:00

152 lines
5.0 KiB
C++

//////////////////////////////////////////////////////////////////////////////
// Model: dpp.qm
// File: ./philo.cpp
//
// This file has been generated automatically by QP Modeler (QM).
// DO NOT EDIT THIS FILE MANUALLY.
//
// Please visit www.state-machine.com/qm for more information.
//////////////////////////////////////////////////////////////////////////////
#include "qp_port.h"
#include "dpp.h"
#include "bsp.h"
//Q_DEFINE_THIS_FILE
/* Active object class -----------------------------------------------------*/
// $(AOs::Philo) .............................................................
class Philo : public QActive {
private:
QTimeEvt m_timeEvt;
public:
Philo();
protected:
static QState initial(Philo *me, QEvent const *e);
static QState thinking(Philo *me, QEvent const *e);
static QState hungry(Philo *me, QEvent const *e);
static QState eating(Philo *me, QEvent const *e);
};
/* Local objects -----------------------------------------------------------*/
static Philo l_philo[N_PHILO]; /* storage for all Philos */
#define THINK_TIME ((BSP_TICKS_PER_SEC) / 2)
#define EAT_TIME ((BSP_TICKS_PER_SEC) / 5)
/* helper macro to provide the ID of Philo "me_" */
#define PHILO_ID(me_) ((uint8_t)((me_) - l_philo))
enum InternalSignals { /* internal signals */
TIMEOUT_SIG = MAX_SIG
};
/* Global objects ----------------------------------------------------------*/
QActive * const AO_Philo[N_PHILO] = { /* "opaque" pointers to Philo AO */
(QActive *)&l_philo[0],
(QActive *)&l_philo[1],
(QActive *)&l_philo[2],
(QActive *)&l_philo[3],
(QActive *)&l_philo[4]
};
/* Philo definition --------------------------------------------------------*/
// $(AOs::Philo) .............................................................
// $(AOs::Philo::Philo) ......................................................
Philo::Philo() : QActive((QStateHandler)&Philo::initial), m_timeEvt(TIMEOUT_SIG) {
}
// $(AOs::Philo::Statechart) .................................................
// @(/2/0/2/0)
QState Philo::initial(Philo *me, QEvent const *e) {
static uint8_t registered; // starts off with 0, per C-standard
(void)e; // suppress the compiler warning about unused parameter
if (!registered) {
QS_OBJ_DICTIONARY(&l_philo[0]);
QS_OBJ_DICTIONARY(&l_philo[0].m_timeEvt);
QS_OBJ_DICTIONARY(&l_philo[1]);
QS_OBJ_DICTIONARY(&l_philo[1].m_timeEvt);
QS_OBJ_DICTIONARY(&l_philo[2]);
QS_OBJ_DICTIONARY(&l_philo[2].m_timeEvt);
QS_OBJ_DICTIONARY(&l_philo[3]);
QS_OBJ_DICTIONARY(&l_philo[3].m_timeEvt);
QS_OBJ_DICTIONARY(&l_philo[4]);
QS_OBJ_DICTIONARY(&l_philo[4].m_timeEvt);
QS_FUN_DICTIONARY(&Philo::initial);
QS_FUN_DICTIONARY(&Philo::thinking);
QS_FUN_DICTIONARY(&Philo::hungry);
QS_FUN_DICTIONARY(&Philo::eating);
registered = (uint8_t)1;
}
QS_SIG_DICTIONARY(HUNGRY_SIG, me); // signal for each Philos
QS_SIG_DICTIONARY(TIMEOUT_SIG, me); // signal for each Philos
//me->subscribe(EAT_SIG);
return Q_TRAN(&Philo::thinking);
}
// $(AOs::Philo::Statechart::thinking) .......................................
QState Philo::thinking(Philo *me, QEvent const *e) {
switch (e->sig) {
// @(/2/0/2/1)
case Q_ENTRY_SIG: {
me->m_timeEvt.postIn(me, THINK_TIME);
return Q_HANDLED();
}
// @(/2/0/2/1/0)
case TIMEOUT_SIG: {
BSP_busyDelay();
return Q_TRAN(&Philo::hungry);
}
}
return Q_SUPER(&QHsm::top);
}
// $(AOs::Philo::Statechart::hungry) .........................................
QState Philo::hungry(Philo *me, QEvent const *e) {
switch (e->sig) {
// @(/2/0/2/2)
case Q_ENTRY_SIG: {
TableEvt *pe = Q_NEW(TableEvt, HUNGRY_SIG);
pe->philoNum = PHILO_ID(me);
AO_Table->POST(pe, me);
return Q_HANDLED();
}
// @(/2/0/2/2/0)
case EAT_SIG: {
// @(/2/0/2/2/0/0)
if (((TableEvt const *)e)->philoNum == PHILO_ID(me)) {
BSP_busyDelay();
return Q_TRAN(&Philo::eating);
}
break;
}
}
return Q_SUPER(&QHsm::top);
}
// $(AOs::Philo::Statechart::eating) .........................................
QState Philo::eating(Philo *me, QEvent const *e) {
switch (e->sig) {
// @(/2/0/2/3)
case Q_ENTRY_SIG: {
me->m_timeEvt.postIn(me, EAT_TIME);
return Q_HANDLED();
}
// @(/2/0/2/3)
case Q_EXIT_SIG: {
TableEvt *pe = Q_NEW(TableEvt, DONE_SIG);
pe->philoNum = PHILO_ID(me);
AO_Table->POST(pe, me);
return Q_HANDLED();
}
// @(/2/0/2/3/0)
case TIMEOUT_SIG: {
BSP_busyDelay();
return Q_TRAN(&Philo::thinking);
}
}
return Q_SUPER(&QHsm::top);
}