Quantum Leaps / Mbed 2 deprecated qp_dpp

Dining Philosophers Problem (DPP) example for the QP active object framework. Demonstrates: event-driven programming, hierarchical state machines in C++, modeling and graphical state machine design, code generation, preemptive multitasking, software tracing, power saving mode, direct event posting, publish-subscribe. More information available in the [[/users/QL/notebook|Quantum Leaps Notebook pages]]. See also [[http://www.state-machine.com|state-machine.com]].

Dependencies:   mbed qp

Diff: philo.cpp

Revision:
3:81ceb3127876
Parent:
0:efb9ac8d1a88
Child:
4:6189d844a1a2
--- a/philo.cpp	Wed Feb 16 17:12:38 2011 +0000
+++ b/philo.cpp	Mon Sep 26 02:21:01 2011 +0000
@@ -1,13 +1,13 @@
 //////////////////////////////////////////////////////////////////////////////
 // Product: DPP example
-// Last Updated for Version: 4.0.00
-// Date of the Last Update:  Apr 06, 2008
+// Last Updated for Version: 4.2.00
+// Date of the Last Update:  Jul 15, 2011
 //
 //                    Q u a n t u m     L e a P s
 //                    ---------------------------
 //                    innovating embedded systems
 //
-// Copyright (C) 2002-2008 Quantum Leaps, LLC. All rights reserved.
+// Copyright (C) 2002-2011 Quantum Leaps, LLC. All rights reserved.
 //
 // This software may be distributed and modified under the terms of the GNU
 // General Public License version 2 (GPL) as published by the Free Software
@@ -49,8 +49,9 @@
 // Local objects -------------------------------------------------------------
 static Philo l_philo[N_PHILO];                       // storage for all Philos
 
-#define THINK_TIME  23
-#define EAT_TIME    19
+#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))
 
@@ -108,7 +109,6 @@
             return Q_HANDLED();
         }
         case TIMEOUT_SIG: {
-            BSP_busyDelay();
             return Q_TRAN(&Philo::hungry);
         }
         case EAT_SIG:                            // intentionally fall-through
@@ -126,12 +126,11 @@
         case Q_ENTRY_SIG: {
             TableEvt *pe = Q_NEW(TableEvt, HUNGRY_SIG);
             pe->philoNum = PHILO_ID(me);
-            AO_Table->postFIFO(pe);
+            AO_Table->POST(pe, me);
             return Q_HANDLED();
         }
         case EAT_SIG: {
             if (((TableEvt *)e)->philoNum == PHILO_ID(me)) {
-                BSP_busyDelay();
                 return Q_TRAN(&Philo::eating);
             }
             break;
@@ -154,11 +153,10 @@
         case Q_EXIT_SIG: {
             TableEvt *pe = Q_NEW(TableEvt, DONE_SIG);
             pe->philoNum = PHILO_ID(me);
-            QF::publish(pe);
+            QF::PUBLISH(pe, me);
             return Q_HANDLED();
         }
         case TIMEOUT_SIG: {
-            BSP_busyDelay();
             return Q_TRAN(&Philo::thinking);
         }
         case EAT_SIG:                            // intentionally fall-through
@@ -170,4 +168,3 @@
     }
     return Q_SUPER(&QHsm::top);
 }
-