60aa13762b22001b1070d448058773ee

2006nios嵌入式系统电子设计大赛时用过的完整工程。

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <io.h>
#include <fcntl.h>
#include <unistd.h>
#include <math.h>
#include "altera_avalon_pio_regs.h"
#include "system.h"  
#include "VGA.h"
#define PI 3.1415926
#define M1 17                   
#define M2 15
void main(void)
{ 
  unsigned int i=0;
  unsigned int j=0;
  unsigned int k;
  unsigned int l;
  unsigned long pixelindex;
  unsigned long  pixel=0x10000;
  printf("\nstart!"); 
  usleep(2000000);
  unsigned int d,m,a=40000; 
  for(j=0;j<624;j++)
  for(i=0;i<852;i++)
  {
    if((i<200)&&(j<200))
    {
     IOWR(LOCK_PIXEL_NUM_BASE,0,a); 
     pixel=0;
     while(!(pixel&1073741824))  { pixel = IORD(RGB_DATA_BASE,0); }
     printf("%d\n",pixel);
     SetPixel1(i,j,(int)(pixel&1023),(int)((pixel>>10)&1023),(int)((pixel>>20)&1023));
    }
    a++; 
   }

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

  
  
  
  


}