FreeRTOS/Demo/CORTEX_R4_RM48_TMS570_CCS5/Library/het.c

/*
    FreeRTOS V7.4.1 - 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.

    ***************************************************************************
     *                                                                       *
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     *    Complete, revised, and edited pdf reference manuals are also       *
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     *    Purchasing FreeRTOS documentation will not only help you, by       *
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     *    professional grade, cross platform, de facto standard solutions    *
     *    for microcontrollers - completely free of charge!                  *
     *                                                                       *
     *    >>> See http://www.FreeRTOS.org/Documentation for details. <<<     *
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     *    Thank you for using FreeRTOS, and thank you for your support!      *
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    ***************************************************************************


    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
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    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
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    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.

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    ***************************************************************************
     *                                                                       *
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    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,
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    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.
*/

#include "FreeRTOS.h"
#include "Task.h"
#include "gio.h"
#include "het.h"

/*
 * Task that flashes the LEDS on the USB stick.
 *
 * This task is also run in Thumb mode to test the ARM/THUMB context switch
 */

#pragma TASK(vLedTask)
#pragma CODE_STATE(vLedTask, 16)

void vLedTask(void *pvParameters)
{
	unsigned led    = 0;
	unsigned count  = 0;
	unsigned colour = 0;

	/* Initalise the IO ports that drive the LEDs */
	gioSetDirection(hetPORT, 0xFFFFFFFF);
	/* switch all leds off */
	gioSetPort(hetPORT, 0x08110034);

	for(;;)
	{
		/* toggle on/off */
		led ^= 1;
		/* switch TOP row */
		gioSetBit(hetPORT, 25, led);
		gioSetBit(hetPORT, 18, led);
		gioSetBit(hetPORT, 29, led);
		/* switch BOTTOM row */
		gioSetBit(hetPORT, 17, led ^ 1);
		gioSetBit(hetPORT, 31, led ^ 1);
		gioSetBit(hetPORT,  0, led ^ 1);
		vTaskDelay(500);

		if (++count > 5)
		{
			count = 0;
			/* both leds to off */
			gioSetBit(hetPORT, 2, 1);  gioSetBit(hetPORT,  5, 1);  gioSetBit(hetPORT, 20, 1);
			gioSetBit(hetPORT, 4, 1);  gioSetBit(hetPORT, 27, 1);  gioSetBit(hetPORT, 16, 1);
			switch(colour)
			{
			case 0:
				gioSetBit(hetPORT, 2, 0);  /* red */
				gioSetBit(hetPORT, 4, 0);
				colour++;
				continue;
			case 1:
				gioSetBit(hetPORT,  5, 0);  /* blue */
				gioSetBit(hetPORT, 27, 0);
				colour++;
				continue;
			case 2:
				gioSetBit(hetPORT, 20, 0);  /* green */
				gioSetBit(hetPORT, 16, 0);
				colour++;
				continue;
			}
			colour = 0;
		}
	}
}