#include "xparameters.h"
#include "rgb2gray_sm_0.h"
#include "unistd.h"

int main (void) {
  int i;
  int gray, red, green, blue;
  unsigned int RGB2GRAY_SM_0_RED,RGB2GRAY_SM_0_RED_DIN,RGB2GRAY_SM_0_GREEN,RGB2GRAY_SM_0_GREEN_DIN,RGB2GRAY_SM_0_BLUE,RGB2GRAY_SM_0_BLUE_DIN,RGB2GRAY_SM_0_RESULT, RGB2GRAY_SM_0_RESULT_DOUT;

  
  print("-- Entering main() --\n\r");
  for (i=15;i<30;i++){	
    red = i;
    green = i+10;
    blue = i+20;
    
    // Write RGB value to peripheral
	 rgb2gray_sm_0_Write(RGB2GRAY_SM_0_RED, 
                        RGB2GRAY_SM_0_RED_DIN, red);
	 rgb2gray_sm_0_Write(RGB2GRAY_SM_0_GREEN, 
                        RGB2GRAY_SM_0_GREEN_DIN, green);
	 rgb2gray_sm_0_Write(RGB2GRAY_SM_0_BLUE, 
                        RGB2GRAY_SM_0_BLUE_DIN, blue);
  
	 xil_printf("R = 0x%x, G = 0x%x, B = 0x%x -- ",
               red, green, blue);
    
	 rgb2gray_sm_0_Read(RGB2GRAY_SM_0_RESULT,
                       RGB2GRAY_SM_0_RESULT_DOUT, &gray);
		
	 xil_printf("Gray = %x \n\r",gray);
  } 
 
  print("-- Exiting main() --\n\r");
  return 0;
}