/*
    FreeRTOS V7.4.0 - Copyright (C) 2013 Real Time Engineers Ltd.

    FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME.  PLEASE VISIT
    http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.

    ***************************************************************************
     *                                                                       *
     *    FreeRTOS tutorial books are available in pdf and paperback.        *
     *    Complete, revised, and edited pdf reference manuals are also       *
     *    available.                                                         *
     *                                                                       *
     *    Purchasing FreeRTOS documentation will not only help you, by       *
     *    ensuring you get running as quickly as possible and with an        *
     *    in-depth knowledge of how to use FreeRTOS, it will also help       *
     *    the FreeRTOS project to continue with its mission of providing     *
     *    professional grade, cross platform, de facto standard solutions    *
     *    for microcontrollers - completely free of charge!                  *
     *                                                                       *
     *    >>> See http://www.FreeRTOS.org/Documentation for details. <<<     *
     *                                                                       *
     *    Thank you for using FreeRTOS, and thank you for your support!      *
     *                                                                       *
    ***************************************************************************


    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.  See the GNU General Public License for more
    details. You should have received a copy of the GNU General Public License
    and the FreeRTOS license exception along with FreeRTOS; if not itcan be
    viewed here: http://www.freertos.org/a00114.html and also obtained by
    writing to Real Time Engineers Ltd., contact details for whom are available
    on the FreeRTOS WEB site.

    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, and our new
    fully thread aware and reentrant UDP/IP stack.

    http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High 
    Integrity Systems, who sell the code with commercial support, 
    indemnification and middleware, under the OpenRTOS brand.
    
    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.
*/

/*-----------------------------------------------------------
 * Characters on the LCD are used to simulate LED's.  In this case the 'ParTest'
 * is really operating on the LCD display.
 *-----------------------------------------------------------*/

/*
 * This demo is configured to execute on the ES449 prototyping board from
 * SoftBaugh. The ES449 has a built in LCD display and a single built in user
 * LED.  Therefore, in place of flashing an LED, the 'flash' and 'check' tasks
 * toggle '*' characters on the LCD.  The left most '*' represents LED 0, the
 * next LED 1, etc.
 *
 * There is a single genuine on board LED referenced as LED 10.
 */

/* Standard includes. */
#include <signal.h>

/* Scheduler includes. */
#include "FreeRTOS.h"
#include "task.h"

/* Demo application includes. */
#include "partest.h"

/* Constants required to setup the LCD. */
#define LCD_DIV_64 5

/* Constants required to access the "LED's".  The LED segments are turned on
and off to generate '*' characters. */
#define partstNUM_LEDS			( ( unsigned char ) 6 )
#define partstSEGMENTS_ON		( ( unsigned char ) 0x0f )
#define partstSEGMENTS_OFF		( ( unsigned char ) 0x00 )

/* The LED number of the real on board LED, rather than a simulated LED. */
#define partstON_BOARD_LED		( ( unsigned portBASE_TYPE ) 10 )
#define mainON_BOARD_LED_BIT	( ( unsigned char ) 0x01 )

/* The LCD segments used to generate the '*' characters for LED's 0 to 5. */
unsigned char * const ucRHSSegments[ partstNUM_LEDS ] = {	( unsigned char * )0xa4, 
																( unsigned char * )0xa2, 
																( unsigned char * )0xa0, 
																( unsigned char * )0x9e,
																( unsigned char * )0x9c,
																( unsigned char * )0x9a };

unsigned char * const ucLHSSegments[ partstNUM_LEDS ] = {	( unsigned char * )0xa3, 
																( unsigned char * )0xa1, 
																( unsigned char * )0x9f, 
																( unsigned char * )0x9d,
																( unsigned char * )0x9b,
																( unsigned char * )0x99 };

/*
 * Toggle the single genuine built in LED.
 */
static void prvToggleOnBoardLED( void );

/*-----------------------------------------------------------*/

void vParTestInitialise( void )
{
	/* Initialise the LCD hardware. */

	/* Used for the onboard LED. */
	P1DIR = 0x01;

	// Setup Basic Timer for LCD operation
	BTCTL = (LCD_DIV_64+0x23);

	// Setup port functions
	P1SEL = 0x32;
	P2SEL = 0x00;
	P3SEL = 0x00;
	P4SEL = 0xFC;
	P5SEL = 0xFF;
	
	/* Initialise all segments to off. */
	LCDM1 = partstSEGMENTS_OFF;	
	LCDM2 = partstSEGMENTS_OFF;	
	LCDM3 = partstSEGMENTS_OFF;	
	LCDM4 = partstSEGMENTS_OFF;	
	LCDM5 = partstSEGMENTS_OFF;	
	LCDM6 = partstSEGMENTS_OFF;	
	LCDM7 = partstSEGMENTS_OFF;	
	LCDM8 = partstSEGMENTS_OFF;	
	LCDM9 = partstSEGMENTS_OFF;	
	LCDM10 = partstSEGMENTS_OFF;	
	LCDM11 = partstSEGMENTS_OFF;	
	LCDM12 = partstSEGMENTS_OFF;	
	LCDM13 = partstSEGMENTS_OFF;	
	LCDM14 = partstSEGMENTS_OFF;	
	LCDM15 = partstSEGMENTS_OFF;	
	LCDM16 = partstSEGMENTS_OFF;	
	LCDM17 = partstSEGMENTS_OFF;	
	LCDM18 = partstSEGMENTS_OFF;	
	LCDM19 = partstSEGMENTS_OFF;	
	LCDM20 = partstSEGMENTS_OFF;	

	/* Setup LCD control. */
	LCDCTL = (LCDSG0_7|LCD4MUX|LCDON);
}
/*-----------------------------------------------------------*/

void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
	/* Set or clear the output [in this case show or hide the '*' character. */
	if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
	{
		vTaskSuspendAll();
		{
			if( xValue )
			{
				/* Turn on the segments required to show the '*'. */
				*( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
				*( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
			}
			else
			{
				/* Turn off all the segments. */
				*( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
				*( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
			}
		}
		xTaskResumeAll();
	}
}
/*-----------------------------------------------------------*/

void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
	if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
	{
		vTaskSuspendAll();
		{
			/* If the '*' is already showing - hide it.  If it is not already
			showing then show it. */
			if( *( ucRHSSegments[ uxLED ] ) )
			{
				*( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
				*( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
			}
			else
			{
				*( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
				*( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
			}
		}
		xTaskResumeAll();
	}
	else
	{
		if( uxLED == partstON_BOARD_LED )
		{
			/* The request related to the genuine on board LED. */
			prvToggleOnBoardLED();
		}
	}	
}
/*-----------------------------------------------------------*/

static void prvToggleOnBoardLED( void )
{
static unsigned short sState = pdFALSE;

	/* Toggle the state of the single genuine on board LED. */
	if( sState )	
	{
		P1OUT |= mainON_BOARD_LED_BIT;
	}
	else
	{
		P1OUT &= ~mainON_BOARD_LED_BIT;
	}

	sState = !sState;
}
/*-----------------------------------------------------------*/