FreeRTOS/Demo/CORTEX_SmartFusion2_M2S050_SoftConsole/RTOSDemo/ParTest.c

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*/

/*-----------------------------------------------------------
 * Simple IO routines to control the LEDs.
 * This file is called ParTest.c for historic reasons.  Originally it stood for
 * PARallel port TEST.
 *-----------------------------------------------------------*/

/* Scheduler includes. */
#include "FreeRTOS.h"
#include "task.h"

/* Demo includes. */
#include "partest.h"

/* Library includes. */
#include "drivers/mss_gpio/mss_gpio.h"
#include "CMSIS/system_m2sxxx.h"

#define partstNUM_LEDS	2

/* Remember the state of the outputs for easy toggling. */
static unsigned char ucPortState = 0;

#if configBUILD_FOR_DEVELOPMENT_KIT == 1
	static const mss_gpio_id_t ucLEDs[ partstNUM_LEDS ] = { MSS_GPIO_14, MSS_GPIO_15 };
#else
	static const mss_gpio_id_t ucLEDs[ partstNUM_LEDS ] = { MSS_GPIO_0, MSS_GPIO_1 };
#endif

/*-----------------------------------------------------------*/

void vParTestInitialise( void )
{
long x;

	/* Initialise MSS GPIOs. */
    MSS_GPIO_init();

    /* Ensure the LEDs are outputs and off to start. */
    for( x = 0; x < partstNUM_LEDS; x++ )
    {
    	MSS_GPIO_config( ucLEDs[ x ], MSS_GPIO_OUTPUT_MODE );
    	vParTestSetLED( x, pdFALSE );
    }
}
/*-----------------------------------------------------------*/

void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
	if( uxLED < partstNUM_LEDS )
	{
		taskENTER_CRITICAL();
		{
			MSS_GPIO_set_output( ucLEDs[ uxLED ], xValue );

			/* Remember the new output state. */
			if( xValue == 0 )
			{
				ucPortState &= ~( 1 << uxLED );
			}
			else
			{
				ucPortState |= ( 1 << uxLED );
			}
		}
		taskEXIT_CRITICAL();
	}
}
/*-----------------------------------------------------------*/

void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
	if( uxLED < partstNUM_LEDS )
	{
		taskENTER_CRITICAL();
		{
			vParTestSetLED( uxLED, !( ucPortState & ( 1 << uxLED ) ) );
		}
		taskEXIT_CRITICAL();
	}
}