/*
 * FreeRTOS Kernel V10.1.0
 * Copyright (C) 2017 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 project,
 * and a more comprehensive test and demo application.  The
 * mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting is used to select between the two.
 * The simply blinky demo is implemented and described in main_blinky.c.  The
 * more comprehensive test and demo application is implemented and described in
 * main_full.c.
 *
 * This file implements the code that is not demo specific, including the
 * hardware setup and 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, and a more comprehensive test and demo application.  The
mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting is used to select between the two.

If mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is 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 not 1 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

/*-----------------------------------------------------------*/

/*
 * main_blinky() is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 1.
 * main_full() is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 0.
 */
extern void main_blinky( void );
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 );

/*
 * Only the comprehensive demo uses application hook (callback) functions.  See
 * http://www.freertos.org/a00016.html for more information.
 */
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.  This function is
	provided as an example only as stack overflow checking does not function
	when running the FreeRTOS Windows port. */
	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;

	printf( "ASSERT! Line %ld, file %s\r\n", ulLine, 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();
}
/*-----------------------------------------------------------*/