//---------------------------------------------------------------
//與串口通信
//file_name:?小白.c
//文件描述：
//摘要：數據的采集和向上位機發送數據
//當前版本號：V1.0
//修改日期：
//起草日期?2012-5-19
//---------------------------------------------------------------
#include
#include?
#define?uchar?unsigned?char?
#define?uint?unsigned?int
#define?PI?3.14
sbit?ADD_A?=?P1^0;
sbit?ADD_B?=?P1^1;
sbit?ADD_C?=?P1^2;
sbit?START?=?P1^4;
sbit?EOC?=?P1^5;
sbit?OE?=?P1^6;
sbit?CLK?=?P1^7;
sbit?Key?=?P3^7;

uchar?getdata;

uchar?flag_serialtemp;
enum?STATE
{
	sample?=?0
	triangle
	pulse
	sin_wave	
}state;

unsigned?char?code?SIN[256]={???0x800x830x860x890x8D0x900x930x96	
								0x990x9C0x9F0xA20xA50xA80xAB0xAE
								0xB10xB40xB70xBA0xBC0xBF0xC20xC5
								0xC70xCA0xCC0xCF0xD10xD40xD60xD8
								0xDA0xDD0xDF0xE10xE30xE50xE70xE9
								0xEA0xEC0xEE0xEF0xF10xF20xF40xF5
								0xF60xF70xF80xF90xFA0xFB0xFC0xFD
								0xFD0xFE0xFF0xFF0xFF0xFF0xFF0xFF
								0xFF0xFF0xFF0xFF0xFF0xFF0xFE0xFD
								0xFD0xFC0xFB0xFA0xF90xF80xF70xF6
								0xF50xF40xF20xF10xEF0xEE0xEC0xEA
								0xE90xE70xE50xE30xE10xDE0xDD0xDA
								0xD80xD60xD40xD10xCF0xCC0xCA0xC7
								0xC50xC20xBF0xBC0xBA0xB70xB40xB1
								0xAE0xAB0xA80xA50xA20x9F0x9C0x99
								0x960x930x900x8D0x890x860x830x80
								0x800x7C0x790x780x720x6F0x6C0x69
								0x660x630x600x5D0x5A0x570x550x51
								0x4E0x4C0x480x450x430x400x3D0x3A
								0x380x350x330x300x2E0x2B0x290x27
								0x250x220x200x1E0x1C0x1A0x180x16
								0x150x130x110x100x0E0x0D0x0B0x0A
								0x090x080x070x060x050x040x030x02
								0x020x020x020x010x010x010x010x01
								0x010x010x010x010x010x020x020x02
								0x020x030x040x050x060x070x080x09
								0x0A0x0B0x0D0x0E0x100x110x130x15
								0x160x180x1A0x1C0x1E0x200x220x25
								0x270x290x2B0x2E0x300x330x350x38
								0x3A0x3D0x400x430x450x480x4C0x4E
								0x510x550x570x5A0x5D0x600x630x66
								0x690x6C0x6F0x720x760x790x7C0x80};	




void?delay_ms（uint?t）
{
	?uint?xy;
	?for（x?=?t;x?>?0;x--）
	?	for（y?=?110;y?>?0;y--）;
}

void?Key_Scan（）
{
	if（Key?==?0）
	{
		delay_ms（20）;
		if（Key?==?0）
		{
			while（!Key）;
			switch（state）
			{
				case?sample:
							state?=??triangle;
							break;
				case?triangle:
							state?=??pulse;
							break;
				case?pulse:
							state?=??sin_wave;
							break;
				case?sin_wave:
							state?=??sample;
							break;
				default:
							state?=??sample;
							break;
			}
		}
	}
}
void?Serial_Init（）
{
	TMOD=0x22;//設置定時器1為工作方式2
	TH1=0xfd;
	TL1=0xfd;
	
	TH0=（256-40）;
??	TL0=（256-40）;
	ET0?=1;
	TR0=1;


	TR1=1;
	REN=1;
	SM0=0;
	SM1=1;
	EA=1;
	ES=1;
}
void?Serial_Send（unsigned?char?dat）

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????93446??2012-05-25?16:36??0809串口打印\ADC0809模數轉換與顯示.DSN

?????文件????????795??2012-05-26?23:27??0809串口打印\ADC0809模數轉換與顯示.PWI

?????文件??????93391??2012-05-23?19:52??0809串口打印\ADC0809模數轉換與顯示_low_version.DSN

?????文件????????795??2012-05-23?19:53??0809串口打印\ADC0809模數轉換與顯示_low_version.PWI

?????文件??????93395??2012-05-25?15:59??0809串口打印\Last?Loaded?ADC0809模數轉換與顯示.DBK

?????文件???????6376??2005-03-22?15:22??0809串口打印\STARTUP.A51

?????文件??????14049??2012-05-27?12:53??0809串口打印\STARTUP.LST

?????文件????????749??2012-05-27?12:53??0809串口打印\STARTUP.OBJ

?????文件???????4868??2012-05-27?12:53??0809串口打印\Text1.c

?????文件??????15017??2012-05-27?12:53??0809串口打印\Text1.LST

?????文件??????10215??2012-05-27?12:53??0809串口打印\Text1.OBJ

?????文件???????9538??2012-05-27?12:53??0809串口打印\小白

?????文件???????2005??2012-05-27?12:53??0809串口打印\小白.hex

?????文件?????????57??2012-05-27?12:53??0809串口打印\小白.lnp

?????文件??????14646??2012-05-27?12:53??0809串口打印\小白.M51

?????文件???????1040??2012-05-27?12:54??0809串口打印\小白.Opt

?????文件????????598??2012-05-27?12:54??0809串口打印\小白.plg

?????文件???????2213??2012-05-20?23:13??0809串口打印\小白.Uv2

????.......??????1041??2012-05-27?12:49??0809串口打印\小白_Opt.Bak

????.......??????2209??2012-05-20?09:49??0809串口打印\小白_Uv2.Bak

?????目錄??????????0??2012-05-28?13:43??0809串口打印

-----------?---------??----------?-----??----

???????????????366443????????????????????21