/*
    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!
*/

/*-----------------------------------------------------------
 * 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.
 */


/* 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 portCHAR ) 6 )
#define partstSEGMENTS_ON		( ( unsigned portCHAR ) 0x0f )
#define partstSEGMENTS_OFF		( ( unsigned portCHAR ) 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 portCHAR ) 0x01 )

/* The LCD segments used to generate the '*' characters for LED's 0 to 5. */
unsigned portCHAR * const ucRHSSegments[ partstNUM_LEDS ] = {	( unsigned portCHAR * )0xa4, 
																( unsigned portCHAR * )0xa2, 
																( unsigned portCHAR * )0xa0, 
																( unsigned portCHAR * )0x9e,
																( unsigned portCHAR * )0x9c,
																( unsigned portCHAR * )0x9a };

unsigned portCHAR * const ucLHSSegments[ partstNUM_LEDS ] = {	( unsigned portCHAR * )0xa3, 
																( unsigned portCHAR * )0xa1, 
																( unsigned portCHAR * )0x9f, 
																( unsigned portCHAR * )0x9d,
																( unsigned portCHAR * )0x9b,
																( unsigned portCHAR * )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 portSHORT 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;
}
/*-----------------------------------------------------------*/