/*****************************************************************************
* Product: DPP example (console)
* Last Updated for Version: 6.3.7
* Date of the Last Update:  2018-12-13
*
*                    Q u a n t u m  L e a P s
*                    ------------------------
*                    Modern Embedded Software
*
* Copyright (C) 2005-2018 Quantum Leaps, LLC. All rights reserved.
*
* This program is open source 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.
*
* Alternatively, this program may be distributed and modified under the
* terms of Quantum Leaps commercial licenses, which expressly supersede
* the GNU General Public License and are specifically designed for
* licensees interested in retaining the proprietary status of their code.
*
* This program 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 this program. If not, see <www.gnu.org/licenses/>.
*
* Contact information:
* <www.state-machine.com/licensing>
* <info@state-machine.com>
*****************************************************************************/
#include "qpn.h"
#include "dpp.h"
#include "bsp.h"

#include "safe_std.h" /* portable "safe" <stdio.h>/<string.h> facilities */
#include <stdlib.h>

//Q_DEFINE_THIS_FILE

/* local variables ---------------------------------------------------------*/
static uint32_t l_rnd; /* random seed */

/*..........................................................................*/
void BSP_init(void) {
    PRINTF_S("Dining Philosopher Problem example\n"
           "QP-nano %s\n"
           "Press 'p' to pause\n"
           "Press 's' to serve\n"
           "Press ESC to quit...\n",
           QP_VERSION_STR);

    BSP_randomSeed(1234U);
}
/*..........................................................................*/
void BSP_terminate(int16_t result) {
    (void)result;
    QF_stop();
}
/*..........................................................................*/
void BSP_displayPhilStat(uint8_t n, char_t const *stat) {
    PRINTF_S("Philosopher %2d is %s\n", (int)n, stat);
}
/*..........................................................................*/
void BSP_displayPaused(uint8_t paused) {
    PRINTF_S("Paused is %s\n", paused ? "ON" : "OFF");
}
/*..........................................................................*/
uint32_t BSP_random(void) {  /* a very cheap pseudo-random-number generator */
    /* "Super-Duper" Linear Congruential Generator (LCG)
    * LCG(2^32, 3*7*11*13*23, 0, seed)
    */
    l_rnd = l_rnd * (3U*7U*11U*13U*23U);
    return l_rnd >> 8;
}
/*..........................................................................*/
void BSP_randomSeed(uint32_t seed) {
    l_rnd = seed;
}

/****************************************************************************/
/*..........................................................................*/
Q_NORETURN Q_onAssert(char_t const Q_ROM * const module, int_t id) {
    FPRINTF_S(stderr, "Assertion in %s:%d", module, id);
    BSP_terminate(-1);
}

/*--------------------------------------------------------------------------*/
void QF_onStartup(void) {
    QF_consoleSetup();
    QF_setTickRate(BSP_TICKS_PER_SEC, 50); /* desired tick rate/ticker-prio */
}
/*..........................................................................*/
void QF_onCleanup(void) {
    PRINTF_S("\n%s\n", "Bye! Bye!");
    QF_consoleCleanup();
}
/*..........................................................................*/
void QF_onClockTickISR(void) {
    QF_tickXISR(0U); /* perform the QF-nano clock tick processing */

    switch (QF_consoleGetKey()) {
        case '\33': { /* see if the ESC key pressed */
            BSP_terminate(0);
            break;
        }
        case 'p': {
            QACTIVE_POST_ISR((QActive *)&AO_Table, PAUSE_SIG, 0U);
            break;
        }
        case 's': {
            QACTIVE_POST_ISR((QActive *)&AO_Table, SERVE_SIG, 0U);
            break;
        }
        default: {
            break;
        }
    }
}