/*
 * Copyright (c) 2023 Juan Manuel Cruz <jcruz@fi.uba.ar> <jcruz@frba.utn.edu.ar>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @file   : task_c.c
 * @date   : Set 26, 2023
 * @author : Juan Manuel Cruz <jcruz@fi.uba.ar> <jcruz@frba.utn.edu.ar>
 * @version	v1.0.0
 */

/********************** inclusions *******************************************/
/* Project includes */
#include "main.h"

/* Demo includes */
#include "logger.h"
#include "dwt.h"

/* Application & Tasks includes */
#include "board.h"
#include "app.h"

/* Statechart includes */
#include "sc_prefix_required.h"
#include "sc_timer_service.h"

/********************** macros and definitions *******************************/
#define G_TASK_SC_PREFIX_CNT_INI			0ul
#define G_TASK_SC_PREFIX_TICK_CNT_INI		0ul

/* Statechart defines */
#ifdef SC_PREFIX_MAX_PARALLEL_TIME_EVENTS

#define MAX_TIMERS	(sizeof(Sc_prefixTimeEvents))
#define TICK_MS 1

#endif

/********************** internal data declaration ****************************/
/* Statechart declarations */
Sc_prefix sm;

#ifdef SC_PREFIX_MAX_PARALLEL_TIME_EVENTS

static sc_timer_t timers[MAX_TIMERS];
static sc_timer_service_t timer_service;

#endif

/********************** internal functions declaration ***********************/

/********************** internal data definition *****************************/
const char *p_task_sc_prefix 	= "Task SC Prefix";
const char *p_task_sc_prefix_ 	= "Non-Blocking & Update By Time Code";

/********************** external data declaration ****************************/
uint32_t g_task_sc_prefix_cnt;
volatile uint32_t g_task_sc_prefix_tick_cnt;

/********************** external functions definition ************************/
#ifdef SC_PREFIX_MAX_PARALLEL_TIME_EVENTS

void sc_prefix_set_timer( Sc_prefix* handle, const sc_eventid evid, const sc_integer time_ms, const sc_boolean periodic )
{
	sc_timer_start( &timer_service, (void*) handle, evid, time_ms, periodic );
}

void sc_prefix_unset_timer( Sc_prefix* handle, const sc_eventid evid )
{
	sc_timer_cancel( &timer_service, evid );
	(void) handle;
}

#endif

void task_sc_prefix_init(void *parameters)
{
	/* Statechart initializations */
	#ifdef SC_PREFIX_MAX_PARALLEL_TIME_EVENTS

	sc_timer_service_init( &timer_service, timers, MAX_TIMERS, (sc_raise_time_event_fp) &sc_prefix_raise_time_event );

	#endif

	sc_prefix_init( &sm );
	sc_prefix_enter( &sm );

	/* Print out: Task Initialized */
	LOGGER_INFO(" ");
	LOGGER_INFO("  %s is running - %s", GET_NAME(task_sc_prefix_init), p_task_sc_prefix);
	LOGGER_INFO("  %s is a %s", GET_NAME(task_sc_prefix), p_task_sc_prefix_);

	/* Init & Print out: Task execution counter */
	g_task_sc_prefix_cnt = G_TASK_SC_PREFIX_CNT_INI;
	LOGGER_INFO("   %s = %lu", GET_NAME(g_task_sc_prefix_cnt), g_task_sc_prefix_cnt);
}

void task_sc_prefix_update(void *parameters)
{
	bool b_time_update_required = false;

	/* Protect shared resource */
	__asm("CPSID i");	/* disable interrupts */
    if (G_TASK_SC_PREFIX_TICK_CNT_INI < g_task_sc_prefix_tick_cnt)
    {
		/* Update Tick Counter */
    	g_task_sc_prefix_tick_cnt--;
    	b_time_update_required = true;
    }
    __asm("CPSIE i");	/* enable interrupts */

    while (b_time_update_required)
    {
		/* Update Task C Counter */
		g_task_sc_prefix_cnt++;

		/* Statechart: update by time */
		#ifdef SC_PREFIX_MAX_PARALLEL_TIME_EVENTS

		/* Raise an Event of Statechart and Run Cycle */
		sc_timer_service_proceed( &timer_service, TICK_MS );

		#endif

    	/* Protect shared resource */
		__asm("CPSID i");	/* disable interrupts */
		if (G_TASK_SC_PREFIX_TICK_CNT_INI < g_task_sc_prefix_tick_cnt)
		{
			/* Update Tick Counter */
			g_task_sc_prefix_tick_cnt--;
			b_time_update_required = true;
		}
		else
		{
			b_time_update_required = false;
		}
		__asm("CPSIE i");	/* enable interrupts */
	}
}

/********************** end of file ******************************************/
