/**
   blinker.c

   A busy looping program to blink the led
*/

/* include the low level driver for the GPIO */
#include <xgpio_l.h>


/* include the parameters specific to this design including the
   base address of the gpio peripheral
*/
#include <xparameters.h>


#define TIME_WASTE_COUNT 2000000

void waste_time(void)
{
    int i;
    for(i=0; i<TIME_WASTE_COUNT; i++) {}
}

int main(void)
{
    int i;
    
    /* set the gpio pin(s) to be output */
    XGpio_mSetDataDirection(XPAR_THE_GPIO_BASEADDR, 0);

    for(;;)
    {
        /* set the initial output to be 1 */
        XGpio_mSetDataReg(XPAR_THE_GPIO_BASEADDR, 1);

        waste_time();

        XGpio_mSetDataReg(XPAR_THE_GPIO_BASEADDR, 0);

        waste_time();
    }

    /* this will never be reached */
    return 0;
}