romm.cpp

实现DDS频率可调得VHDL程序

#include <stdio.h>
#include "math.h"
main()
{
	int i;
	float s;
	for (i=0;i<1024;i++)
	{
		s=sin(atan(1)*8*i/1024);
		printf ("%d : %d;\n",i,(int) ((s+1)*1023/2));
	}
}