/*
    FreeRTOS V7.5.0 - Copyright (C) 2013 Real Time Engineers Ltd.

    VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.

    ***************************************************************************
     *                                                                       *
     *    FreeRTOS provides completely free yet professionally developed,    *
     *    robust, strictly quality controlled, supported, and cross          *
     *    platform software that has become a de facto standard.             *
     *                                                                       *
     *    Help yourself get started quickly and support the FreeRTOS         *
     *    project by purchasing a FreeRTOS tutorial book, reference          *
     *    manual, or both from: http://www.FreeRTOS.org/Documentation        *
     *                                                                       *
     *    Thank you!                                                         *
     *                                                                       *
    ***************************************************************************

    This file is part of the FreeRTOS distribution.

    FreeRTOS is free software; you can redistribute it and/or modify it under
    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 distribute
    >>! a combined work that includes FreeRTOS without being obliged to provide
    >>! the source code for proprietary components outside of the FreeRTOS
    >>! kernel.

    FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    FOR A PARTICULAR PURPOSE.  Full license text is available from the following
    link: http://www.freertos.org/a00114.html

    1 tab == 4 spaces!

    ***************************************************************************
     *                                                                       *
     *    Having a problem?  Start by reading the FAQ "My application does   *
     *    not run, what could be wrong?"                                     *
     *                                                                       *
     *    http://www.FreeRTOS.org/FAQHelp.html                               *
     *                                                                       *
    ***************************************************************************

    http://www.FreeRTOS.org - Documentation, books, training, latest versions,
    license and Real Time Engineers Ltd. contact details.

    http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
    including FreeRTOS+Trace - an indispensable productivity tool, a DOS
    compatible FAT file system, and our tiny thread aware UDP/IP stack.

    http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
    Integrity Systems to sell under the OpenRTOS brand.  Low cost OpenRTOS
    licenses offer ticketed support, indemnification and middleware.

    http://www.SafeRTOS.com - High Integrity Systems also provide a safety
    engineered and independently SIL3 certified version for use in safety and
    mission critical applications that require provable dependability.

    1 tab == 4 spaces!
*/

/* Simple LED IO functions.  LED 0 is toggled by a timer every half second. */

/* FreeRTOS includes. */
#include "FreeRTOS.h"
#include "timers.h"

/* Library includes. */
#include "lpc18xx_gpio.h"
#include "lpc18xx_scu.h"
#include "lpc18xx_cgu.h"

#define ledTOGGLE_RATE	( 500 / portTICK_RATE_MS )

#define ledLED0_PORT	1
#define ledLED0_BIT		( 1UL << 11UL )

#define ledLED1_PORT	2
#define ledLED1_BIT		( 1UL << 12UL )

/*
 * Toggles an LED just to show the application is running.
 */
static void prvLEDToggleTimerCallback( xTimerHandle xTimer );

/*-----------------------------------------------------------*/

void vLEDsInitialise( void )
{
static xTimerHandle xLEDToggleTimer = NULL;

	/* Set the LED pin-muxing and configure as output. */
	scu_pinmux( 0x2 , 11, MD_PUP, FUNC0 );
	scu_pinmux( 0x2 , 12, MD_PUP, FUNC0 );
	GPIO_SetDir( ledLED0_PORT, ledLED0_BIT, 1 );
	GPIO_SetDir( ledLED1_PORT, ledLED1_BIT, 1 );

    /* Create the timer used to toggle LED0. */
	xLEDToggleTimer = xTimerCreate(	( const int8_t * ) "LEDTmr", 	/* Just a text name to associate with the timer, useful for debugging, but not used by the kernel. */
								ledTOGGLE_RATE,						/* The period of the timer. */
								pdTRUE,								/* This timer will autoreload, so uxAutoReload is set to pdTRUE. */
								NULL,								/* The timer ID is not used, so can be set to NULL. */
								prvLEDToggleTimerCallback );		/* The callback function executed each time the timer expires. */

    /* Sanity check that the timer was actually created. */
    configASSERT( xLEDToggleTimer );

    /* Start the timer.  If this is called before the scheduler is started then
    the block time will automatically get changed to 0 (from portMAX_DELAY). */
    xTimerStart( xLEDToggleTimer, portMAX_DELAY );
}
/*-----------------------------------------------------------*/

static void prvLEDToggleTimerCallback( xTimerHandle xTimer )
{
static uint8_t ucState = 0;

	/* Remove compiler warnings. */
	( void ) xTimer;

	/* Just toggle an LED to show the program is running. */
	if( ucState == 0 )
	{
		GPIO_SetValue( ledLED0_PORT, ledLED0_BIT );
	}
	else
	{
		GPIO_ClearValue( ledLED0_PORT, ledLED0_BIT );
	}

	ucState = !ucState;
}