#include?“myapp.h“
#include?“ICETEK-VC5509-EDU.h“

#define?DIPS?（*（unsigned?int?*）0x400002）

void?main（）
{
	int?kc[2]ijk2k3k4;
	char?k1;
	float?a[65]={128.0000140.5462152.9716165.1564?176.9835188.3388199.1130209.2023218.5097226.9453234.4281
240.8859246.2566250.4884253.5405255.3836255.0000254.8911253.5405250.4884246.2566240.8859
234.4281226.9453218.5097209.2023199.1130188.3388176.9835165.1564152.9716140.5462128.0000
115.4538103.028490.843679.016567.661256.887046.797737.490329.054721.571915.1141
9.74345.51162.45950.616400.61642.45955.51169.743415.114121.5719
29.054737.490346.797756.887067.661279.016590.8436103.0284115.4538128.0000};
	float?b[65]={255.0000254.3836253.5405250.4884246.2566240.8859234.4281226.9453218.5097209.2023199.1130
188.3388176.9835165.1564152.9716140.5462128.0000115.4538103.028490.843679.016567.6612
56.887046.797737.490329.054721.571915.11419.74345.51162.45950.61640
0.61642.45955.51169.743415.114121.571929.054737.490346.797756.887067.6612
79.016590.8436103.0284115.4538128.0000140.5462152.9716165.1564176.9835188.3388199.1130
209.2023218.5097226.9453234.4281240.8859246.2566250.4884253.5405254.3836255.0000};
	j=0;
	c[0]=128;
	c[1]=0;

	PLL_Init（72）;
	SDRAM_init（）;
	while（1）
	{	
		k1=DIPS&0xf;
		if（k1==2）//方波
		{
			for（i=0;i<100;i++）
			{
				if（i<50）
					k2=c[1];
				else
					k2=c[0];
				DA_DATA_1=k2;
			}
		}
		else?if（k1==3）//三角波
		{
		???	for（i=0;i<256;i++）
			{
				if（i<128）
					j++;
				else
					j--;
				DA_DATA_1=j;
			}
		}
		else?if（k1==0）//正弦波
		{
			for（i=0;i<65;i++）
			{
				k3=（int）（a[i]）;
				DA_DATA_1=k3;
			}
		}
		else?if（k1==1）//余弦波
		{
			for（i=0;i<65;i++）
			{
				k4=（int）（b[i]）;
				DA_DATA_1=k4;
			}
		}?
	}

}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-01-09?16:38??DSP中用查表法通過撥碼開關(guān)實現(xiàn)不同波形的輸出\
?????文件????????1894??2012-12-18?10:05??DSP中用查表法通過撥碼開關(guān)實現(xiàn)不同波形的輸出\main.c