#include
#include

#define?DAC0832?XBYTE[0x0fff]

float?code?table2[]={
???????0x800x830x850x880x8A0x8D0x8F0x92
???????0x940x970x990x9B0x9E0xA00xA30xA5
???????0xA70xAA0xAC0xAE0xB10xB30xB50xB7
???????0xB90xBB0xBD0xBF0xC10xC30xC50xC7
???????0xC90xCB0xCC0xCE0xD00xD10xD30xD4
???????0xD60xD70xD80xDA0xDB0xDC0xDD0xDE
???????0xDF0xE00xE10xE20xE30xE30xE40xE4
???????0xE50xE50xE60xE60xE70xE70xE70xE7
???????0xE70xE70xE70xE70xE60xE60xE50xE5
???????0xE40xE40xE30xE30xE20xE10xE00xDF
???????0xDE0xDD0xDC0xDB0xDA0xD80xD70xD6
???????0xD40xD30xD10xD00xCE0xCC0xCB0xC9
???????0xC70xC50xC30xC10xBF0xBD0xBB0xB9
???????0xB70xB50xB30xB10xAE0xAC0xAA0xA7
???????0xA50xA30xA00x9E0x9B0x990x970x94
???????0x920x8F0x8D0x8A0x880x850x830x80
???????0x7D0x7B0x780x760x730x710x6E0x6C
???????0x690x670x650x620x600x5D0x5B0x59
???????0x560x540x520x4F0x4D0x4B0x490x47
???????0x450x430x410x3F0x3D0x3B0x390x37
???????0x350x340x320x300x2F0x2D0x2C0x2A
???????0x290x280x260x250x240x230x220x21
???????0x200x1F0x1E0x1D0x1D0x1C0x1C0x1B
???????0x1B0x1A0x1A0x1A0x190x190x190x19
???????0x190x190x190x190x1A0x1A0x1A0x1B
???????0x1B0x1C0x1C0x1D0x1D0x1E0x1F0x20
???????0x210x220x230x240x250x260x280x29
???????0x2A0x2C0x2D0x2F0x300x320x340x35
???????0x370x390x3B0x3D0x3F0x410x430x45
???????0x470x490x4B0x4D0x4F0x520x540x56
???????0x590x5B0x5D0x600x620x650x670x69
???????0x6C0x6E0x710x730x760x780x7B0x7D};

void?delay（unsigned?int?i）//延時函數
{
	while（i--）;
}

void?fang（）//方波
{		
		DAC0832=0;
		delay（15）;

		DAC0832=0xff;
		delay（15）;
		
}

void?jvchi（）//鋸齒波
{
	unsigned?char?i;	
		for（i=0;i<255;i++）
				{
					DAC0832=i;
				//	delay（10）;
				}
		
}

void?tran（）//三角波
{
	unsigned?char?i;
	for（i=0;i<255;i++）
		{
			DAC0832=i;
	//		delay（10）;
		}
	for（i=255;i>0;i--）
		{
			DAC0832=i;
		//	delay（10）;
		}
}

void?sin（）//正弦波
{
	unsigned?int?i;
	for（i=0;i<256;i++）
		{
			DAC0832=table2[i];
		//	delay（10）;
		}

}

void?main（void）//主函數
{	
		while（1）
		{
			if（P1==0xfe）fang（）;
			if（P1==0xfd）jvchi（）;
			if（P1==0xfb）tran（）;
			if（P1==0xf7）sin（）;
			if（P1==0xff）DAC0832=0;
??	????}
		
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-05-18?10:40??低頻信號發生器\
?????文件??????115414??2012-05-11?11:40??低頻信號發生器\Last?Loaded?函數信號發生器的設計.DBK
?????文件??????115414??2012-05-11?11:40??低頻信號發生器\低頻信號發生器的設計.DSN
?????文件????????2000??2009-03-24?23:49??低頻信號發生器\函數信號發生器
?????文件????????3694??2009-03-24?23:49??低頻信號發生器\函數信號發生器.hex
?????文件??????????78??2009-03-24?23:49??低頻信號發生器\函數信號發生器.lnp
?????文件????????3644??2009-03-24?23:49??低頻信號發生器\函數信號發生器.M51
?????文件????????1411??2010-06-12?08:24??低頻信號發生器\函數信號發生器.Opt
?????文件?????????207??2012-05-18?08:36??低頻信號發生器\函數信號發生器.plg
?????文件????????2194??2010-06-12?08:27??低頻信號發生器\函數信號發生器.Uv2.bak
?????文件???????57562??2012-05-18?08:36??低頻信號發生器\函數信號發生器.uvopt
?????文件???????13337??2012-05-11?09:44??低頻信號發生器\函數信號發生器.uvproj
?????文件????????1060??2009-03-24?23:50??低頻信號發生器\函數信號發生器_Opt.Bak
?????文件????????2194??2010-06-12?08:24??低頻信號發生器\函數信號發生器_Uv2.Bak
?????文件???????57349??2012-05-11?10:56??低頻信號發生器\函數信號發生器_uvopt.bak
?????文件?????????792??2012-05-18?10:39??低頻信號發生器\函數信號發生器的設計.PWI
?????文件????????2433??2009-03-06?19:47??低頻信號發生器\項目13??簡易函數信號發生器的設計.c
?????文件??????116154??2009-03-17?13:13??低頻信號發生器\項目13??簡易函數信號發生器的設計.DSN
?????文件????????3694??2009-03-17?13:12??低頻信號發生器\項目13??簡易函數信號發生器的設計.hex
?????文件?????????769??2009-03-24?23:49??低頻信號發生器\項目13??簡易函數信號發生器的設計.LST
?????文件????????2309??2009-03-24?23:49??低頻信號發生器\項目13??簡易函數信號發生器的設計.OBJ
?????文件?????????792??2012-05-18?10:39??低頻信號發生器\項目13??簡易函數信號發生器的設計.PWI