FreeRTOS/Demo/CORTEX_R4_RM48_TMS570_CCS5/Library/het.c

/*
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*/

#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;
		}
	}
}