/*
    FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd.
    All rights reserved

    VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.

    This file is part of the FreeRTOS distribution.

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    the terms of the GNU General Public License (version 2) as published by the
    Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.

    ***************************************************************************
    >>!   NOTE: The modification to the GPL is included to allow you to     !<<
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    >>!   outside of the FreeRTOS kernel.                                   !<<
    ***************************************************************************

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    link: http://www.freertos.org/a00114.html

    ***************************************************************************
     *                                                                       *
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*/

/******************************************************************************
 * NOTE 1:  This project provides three demo applications.  A simple blinky
 * style project, a more comprehensive test and demo application, and an
 * lwIP example.  The mainSELECTED_APPLICATION setting in main.c is used to
 * select between the three.  See the notes on using mainSELECTED_APPLICATION
 * in main.c.  This file implements the simply blinky style version.
 *
 * NOTE 2:  This file only contains the source code that is specific to the
 * basic demo.  Generic functions, such FreeRTOS hook functions, and functions
 * required to configure the hardware are defined in main.c.
 ******************************************************************************
 *
 * The lwIP example can be configured to use either a static or dynamic IP
 * address:
 *    + To use a dynamically allocated IP address set LWIP_DHCP to 1 in
 *      lwipopts.h and connect the target to a network that includes a DHCP
 *      server.  The obtained IP address is printed to the UART console.
 *    + To use a static IP address set LWIP_DHCP to 0 in lwipopts.h and set
 *      the static IP address using the configIP_ADDR0 to configIP_ADDR3
 *      constants at the bottom of FreeRTOSConfig.h.  Constants used to define
 *      a netmask are also located at the bottom of FreeRTOSConfig.h.
 *
 * When connected correctly the demo uses the lwIP sockets API to create
 * a FreeRTOS+CLI command console, and the lwIP raw API to create a basic HTTP
 * web server with server side includes that generate dynamic run time web
 * pages.  See http://www.freertos.org/RTOS-Xilinx-Zynq.html for more
 * information.
 *
 * To connect to FreeRTOS+CLI, open a command prompt and enter "telnet <ipaddr>"
 * where <ipaddr> is the IP address of the target.  Once connected type "help"
 * to see a list of registered commands.  Note this example does not implement
 * a real telnet server, it just uses the telnet port number to allow easy
 * connection using telnet tools.
 *
 * To connect to the http server simply type the IP address of the target into
 * the address bar of a web browser.
 *
 */

/* Kernel includes. */
#include "FreeRTOS.h"
#include "task.h"
#include "timers.h"

/* Standard demo includes. */
#include "partest.h"

/* lwIP includes. */
#include "lwip/tcpip.h"

/* The rate at which data is sent to the queue.  The 200ms value is converted
to ticks using the portTICK_PERIOD_MS constant. */
#define mainTIMER_PERIOD_MS			( pdMS_TO_TICKS( 200 ) )

/* The LED toggled by the Rx task. */
#define mainTIMER_LED				( 0 )

/* A block time of zero just means "don't block". */
#define mainDONT_BLOCK				( 0 )

/*-----------------------------------------------------------*/

/*
 * The callback for the timer that just toggles an LED to show the system is
 * running.
 */
static void prvLEDToggleTimer( TimerHandle_t pxTimer );

/*
 * Defined in lwIPApps.c.
 */
extern void lwIPAppsInit( void *pvArguments );

/*-----------------------------------------------------------*/

void main_lwIP( void )
{
TimerHandle_t xTimer;

	/* Init lwIP and start lwIP tasks. */
	tcpip_init( lwIPAppsInit, NULL );

	/* A timer is used to toggle an LED just to show the application is
	executing. */
	xTimer = xTimerCreate( 	"LED", 					/* Text name to make debugging easier. */
							mainTIMER_PERIOD_MS, 	/* The timer's period. */
							pdTRUE,					/* This is an auto reload timer. */
							NULL,					/* ID is not used. */
							prvLEDToggleTimer );	/* The callback function. */

	/* Start the timer. */
	configASSERT( xTimer );
	xTimerStart( xTimer, mainDONT_BLOCK );

	/* Start the tasks and timer running. */
	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 either insufficient FreeRTOS heap memory available for the idle
	and/or timer tasks to be created, or vTaskStartScheduler() was called from
	User mode.  See the memory management section on the FreeRTOS web site for
	more details on the FreeRTOS heap http://www.freertos.org/a00111.html.  The
	mode from which main() is called is set in the C start up code and must be
	a privileged mode (not user mode). */
	for( ;; );
}
/*-----------------------------------------------------------*/

static void prvLEDToggleTimer( TimerHandle_t pxTimer )
{
	/* Prevent compiler warnings. */
	( void ) pxTimer;

	/* Just toggle an LED to show the application is running. */
	vParTestToggleLED( mainTIMER_LED );
}

/*-----------------------------------------------------------*/

char *pcMainGetTaskStatusMessage( void )
{
	return "Running lwIP demo";
}
/*-----------------------------------------------------------*/