main.c

AD9851:本程序实现了用51单片机串行控制AD9851的DDS芯片输出频率可变的正弦波信号.

#include <reg51.h>
#include <intrins.h>
#include "AD9851\AD9851.h"



void main(void)
{
	unsigned long f;
	unsigned long i;
	AD9851_Delay(200);
	AD9851_Initial();
	AD9851_Delay(100);
	AD9851_WriteFreq(1000);
	AD9851_WriteFreq(1000);
	while(1)
	;
	/*while(1)
	{
		for(i=0;i<21;i++)
		{
			f=10000*i+100;
			AD9851_WriteFreq(f);
			AD9851_Delay(250);
			AD9851_Delay(250);
			AD9851_Delay(250);
			AD9851_Delay(250);
			AD9851_Delay(250);
			AD9851_Delay(250);
			AD9851_Delay(250);
			AD9851_Delay(250);		
		}
	} */ 
}