/*
 * FreeRTOS Kernel V10.2.1
 * 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 is a cut down version of the project described on the following
 * link.  Only the simple UDP client and server and the TCP echo clients are
 * included in the build:
 * http://www.freertos.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/examples_FreeRTOS_simulator.html
 */

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

/* Visual studio intrinsics used so the __debugbreak() function is available
should an assert get hit. */
#include <intrin.h>

/* FreeRTOS includes. */
#include <FreeRTOS.h>
#include "task.h"

/* TCP/IP stack includes. */
#include "FreeRTOS_IP.h"

/*
 * Prototypes for the demos that can be started from this project.
 */
extern void vStartSimpleTaskPoolDemo( void );

/* This example is the first in a sequence that adds IoT functionality into
an existing TCP/IP project.  In this first project the TCP/IP stack is not
actually used, but it is still built, which requires this array to be
present. */
const uint8_t ucMACAddress[ 6 ] = { configMAC_ADDR0, configMAC_ADDR1, configMAC_ADDR2, configMAC_ADDR3, configMAC_ADDR4, configMAC_ADDR5 };

/*-----------------------------------------------------------*/

int main( void )
{
	/*
	 * Instructions for using this project are provided on:
	 * TBD
	 */

	/* Create the example that demonstrates task pool functionality.  Examples
	that demonstrate networking connectivity will be added in future projects
	and get started after the network has connected (from within the
	vApplicationIPNetworkEventHook() function).*/
	vStartSimpleTaskPoolDemo();

	/* Start the scheduler - if all is well from this point on only FreeRTOS
	tasks will execute. */
	vTaskStartScheduler();

	/* If all is well, the scheduler will now be running, and the following
	line will never be reached.  If the following line does execute, then
	there was insufficient FreeRTOS heap memory available for the idle and/or
	timer tasks	to be created.  See the memory management section on the
	FreeRTOS web site for more details (this is standard text that is not not
	really applicable to the Win32 simulator port). */
	for( ;; )
	{
		__debugbreak();
	}
}
/*-----------------------------------------------------------*/

void vAssertCalled( const char *pcFile, uint32_t ulLine )
{
volatile uint32_t ulBlockVariable = 0UL;
volatile char *pcFileName = ( volatile char *  ) pcFile;
volatile uint32_t ulLineNumber = ulLine;

	( void ) pcFileName;
	( void ) ulLineNumber;

	printf( "vAssertCalled( %s, %u\n", pcFile, ulLine );

	/* Setting ulBlockVariable to a non-zero value in the debugger will allow
	this function to be exited. */
	taskDISABLE_INTERRUPTS();
	{
		while( ulBlockVariable == 0UL )
		{
			__debugbreak();
		}
	}
	taskENABLE_INTERRUPTS();
}
/*-----------------------------------------------------------*/

/* Called by FreeRTOS+TCP when the network connects or disconnects.  Disconnect
events are only received if implemented in the MAC driver. */
void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
{
	/* This example is the first in a sequence that adds IoT functionality into
	an existing TCP/IP project.  In this first project the TCP/IP stack is not
	actually used, but it is still built, which requires this function to be
	present.  For now this function does not need to do anything, so just ensure
	the unused parameters don't cause compiler warnings and that calls to this
	function are trapped by the debugger. */
	__debugbreak();
	( void ) eNetworkEvent;
}
/*-----------------------------------------------------------*/

extern uint32_t ulApplicationGetNextSequenceNumber( uint32_t ulSourceAddress,
													uint16_t usSourcePort,
													uint32_t ulDestinationAddress,
													uint16_t usDestinationPort )
{
	/* This example is the first in a sequence that adds IoT functionality into
	an existing TCP/IP project.  In this first project the TCP/IP stack is not
	actually used, but it is still built, which requires this function to be
	present.  For now this function does not need to do anything, so just ensure
	the unused parameters don't cause compiler warnings and that calls to this
	function are trapped by the debugger. */
	( void ) ulSourceAddress;
	( void ) usSourcePort;
	( void ) ulDestinationAddress;
	( void ) usDestinationPort;
	__debugbreak();
	return 0;
}
/*-----------------------------------------------------------*/

UBaseType_t uxRand( void )
{
	/* This example is the first in a sequence that adds IoT functionality into
	an existing TCP/IP project.  In this first project the TCP/IP stack is not
	actually used, but it is still built, which requires this function to be
	present.  For now this function does not need to do anything, so just ensure
	the calls to the function are trapped by the debugger. */
	__debugbreak();
	return 0;
}
/*-----------------------------------------------------------*/

/* configUSE_STATIC_ALLOCATION is set to 1, so the application must provide an
implementation of vApplicationGetIdleTaskMemory() to provide the memory that is
used by the Idle task. */
void vApplicationGetIdleTaskMemory( StaticTask_t** ppxIdleTaskTCBBuffer, StackType_t** ppxIdleTaskStackBuffer, uint32_t* pulIdleTaskStackSize )
{
	/* If the buffers to be provided to the Idle task are declared inside this
	function then they must be declared static - otherwise they will be allocated on
	the stack and so not exists after this function exits. */
	static StaticTask_t xIdleTaskTCB;
	static StackType_t uxIdleTaskStack[configMINIMAL_STACK_SIZE];

	/* Pass out a pointer to the StaticTask_t structure in which the Idle task's
	state will be stored. */
	*ppxIdleTaskTCBBuffer = &xIdleTaskTCB;

	/* Pass out the array that will be used as the Idle task's stack. */
	*ppxIdleTaskStackBuffer = uxIdleTaskStack;

	/* Pass out the size of the array pointed to by *ppxIdleTaskStackBuffer.
	Note that, as the array is necessarily of type StackType_t,
	configMINIMAL_STACK_SIZE is specified in words, not bytes. */
	*pulIdleTaskStackSize = configMINIMAL_STACK_SIZE;
}
/*-----------------------------------------------------------*/

/* configUSE_STATIC_ALLOCATION and configUSE_TIMERS are both set to 1, so the
application must provide an implementation of vApplicationGetTimerTaskMemory()
to provide the memory that is used by the Timer service task. */
void vApplicationGetTimerTaskMemory( StaticTask_t** ppxTimerTaskTCBBuffer, StackType_t** ppxTimerTaskStackBuffer, uint32_t* pulTimerTaskStackSize )
{
	/* If the buffers to be provided to the Timer task are declared inside this
	function then they must be declared static - otherwise they will be allocated on
	the stack and so not exists after this function exits. */
	static StaticTask_t xTimerTaskTCB;
	static StackType_t uxTimerTaskStack[configTIMER_TASK_STACK_DEPTH];

	/* Pass out a pointer to the StaticTask_t structure in which the Timer
	task's state will be stored. */
	*ppxTimerTaskTCBBuffer = &xTimerTaskTCB;

	/* Pass out the array that will be used as the Timer task's stack. */
	*ppxTimerTaskStackBuffer = uxTimerTaskStack;

	/* Pass out the size of the array pointed to by *ppxTimerTaskStackBuffer.
	Note that, as the array is necessarily of type StackType_t,
	configMINIMAL_STACK_SIZE is specified in words, not bytes. */
	*pulTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH;
}