#include <stdio.h>
#include "platform.h"
#include "xil_printf.h"
#include "xil_io.h"
#include "sleep.h"


int main()
{
    init_platform();

    print("Hello World\n\r");

    Xil_Out32(XPAR_SLAVE_AXI_LITE_V1_0_0_BASEADDR, 1);//点亮LED

    u32 led = 1;
    u32 button = 0;

    while (1)
    {
    	usleep(100000);

    	button = Xil_In32(XPAR_SLAVE_AXI_LITE_V1_0_0_BASEADDR+4);
    	if (button == 0xFFFFFFFF)
    	{
    		//打印消息
    		print("button pressed\n\r");

    		//复位
    		button = 0;

    		//按钮按下
    		if (led == 0)
    		{
    			led = 1;
    		}
    		else
    		{
    			led = 0;
    		}

    		Xil_Out32(XPAR_SLAVE_AXI_LITE_V1_0_0_BASEADDR, led);
    	}
    }

    cleanup_platform();
    return 0;
}