/*
 * FreeRTOS Kernel V10.2.1
 * Copyright (C) 2019 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * http://www.FreeRTOS.org
 * http://aws.amazon.com/freertos
 *
 * 1 tab == 4 spaces!
 */

/******************************************************************************
 * This project provides two demo applications:
 * - A simple blinky style demo application.
 * - A more comprehensive test and demo application.
 * The mainCREATE_SIMPLE_BLINKY_DEMO_ONLY macro is used to select between the two.
 *
 * The simply blinky demo is implemented and described in the file main_blinky.c.
 * The more comprehensive test and demo application is implemented and described
 * in the file main_full.c.
 *
 * This file implements the code that is not demo specific, including the FreeRTOS
 * hook functions.
 *
 *******************************************************************************
 */

/* Standard includes. */
#include <stdio.h>
#include <stdlib.h>

/* FreeRTOS kernel includes. */
#include "FreeRTOS.h"
#include "task.h"

/**
 * This project provides two demo applications:
 * - A simple blinky style demo application.
 * - A more comprehensive test and demo application.
 * The mainCREATE_SIMPLE_BLINKY_DEMO_ONLY macro is used to select between the two.
 *
 * If mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 1 then the blinky demo will be
 * built. The blinky demo is implemented and described in main_blinky.c.
 *
 * If mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 0 then the comprehensive test
 * and demo application will be built. The comprehensive test and demo application
 * is implemented and described in main_full.c.
 */
#define mainCREATE_SIMPLE_BLINKY_DEMO_ONLY	0
/*-----------------------------------------------------------*/

/**
 * The entry function for the blinky demo application.
 *
 * This is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 1.
 */
extern void main_blinky( void );

/**
 * The entry function for the comprehensive test and demo application.
 *
 * This is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 0.
 */
extern void main_full( void );

/**
 * Prototypes for the standard FreeRTOS application hook (callback) functions
 * implemented within this file.
 *
 * @see http://www.freertos.org/a00016.html
 */
void vApplicationMallocFailedHook( void );
void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName );
void vApplicationTickHook( void );

/**
 * The function called from the tick hook.
 *
 * @note Only the comprehensive demo uses application hook (callback) functions.
 *
 * @see http://www.freertos.org/a00016.html
 */
void vFullDemoTickHookFunction( void );
/*-----------------------------------------------------------*/

int main( void )
{
	/* The mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting is described at the top
	 * of this file. */
	#if ( mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1 )
	{
		main_blinky();
	}
	#else
	{
		main_full();
	}
	#endif

	return 0;
}
/*-----------------------------------------------------------*/

void vApplicationMallocFailedHook( void )
{
	/* vApplicationMallocFailedHook() will only be called if
	 * configUSE_MALLOC_FAILED_HOOK is set to 1 in FreeRTOSConfig.h. It is a hook
	 * function that will get called if a call to pvPortMalloc() fails.
	 * pvPortMalloc() is called internally by the kernel whenever a task, queue,
	 * timer or semaphore is created.  It is also called by various parts of the
	 * demo application.  If heap_1.c, heap_2.c or heap_4.c is being used, then
	 * the size of the	heap available to pvPortMalloc() is defined by
	 * configTOTAL_HEAP_SIZE in FreeRTOSConfig.h, and the xPortGetFreeHeapSize()
	 * API function can be used to query the size of free heap space that remains
	 * (although it does not provide information on how the remaining heap might be
	 * fragmented). See http://www.freertos.org/a00111.html for more information.
	 */
	vAssertCalled( __LINE__, __FILE__ );
}
/*-----------------------------------------------------------*/

void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName )
{
	( void ) pcTaskName;
	( void ) pxTask;

	/* Run time stack overflow checking is performed if
	 * configCHECK_FOR_STACK_OVERFLOW is defined to 1 or 2.  This hook
	 * function is called if a stack overflow is detected. */
	vAssertCalled( __LINE__, __FILE__ );
}
/*-----------------------------------------------------------*/

void vApplicationTickHook( void )
{
	/* This function will be called by each tick interrupt if
	 * configUSE_TICK_HOOK is set to 1 in FreeRTOSConfig.h.  User code can be
	 * added here, but the tick hook is called from an interrupt context, so
	 * code must not attempt to block, and only the interrupt safe FreeRTOS API
	 * functions can be used (those that end in FromISR()). */
	#if ( mainCREATE_SIMPLE_BLINKY_DEMO_ONLY != 1 )
	{
		vFullDemoTickHookFunction();
	}
	#endif /* mainCREATE_SIMPLE_BLINKY_DEMO_ONLY */
}
/*-----------------------------------------------------------*/

void vAssertCalled( unsigned long ulLine, const char * const pcFileName )
{
static BaseType_t xPrinted = pdFALSE;
volatile uint32_t ulSetToNonZeroInDebuggerToContinue = 0;

	/* Called if an assertion passed to configASSERT() fails.  See
	 * http://www.freertos.org/a00110.html#configASSERT for more information. */

	/* Parameters are not used. */
	( void ) ulLine;
	( void ) pcFileName;

	taskENTER_CRITICAL();
	{
		/* You can step out of this function to debug the assertion by using
		 * the debugger to set ulSetToNonZeroInDebuggerToContinue to a non-zero
		 * value. */
		while( ulSetToNonZeroInDebuggerToContinue == 0 )
		{
			__asm volatile( "NOP" );
			__asm volatile( "NOP" );
		}
	}
	taskEXIT_CRITICAL();
}
/*-----------------------------------------------------------*/