#include?
#include?

#define		DATA	P1??????//1602驅動端口
//ROM操作命令
#define?????????????????READ_ROM???????????????	0x33????????????????????//讀ROM?
#define?????????????????SKIP_ROM???????????????	0xCC????????????????????//跳過ROM?
#define?????????????????MATCH_ROM???????????????0x55????????????????????//匹配ROM?
#define?????????????????SEARCH_ROM??????????????0xF0????????????????????//搜索ROM?
#define?????????????????ALARM_SEARCH????????????0xEC????????????????????//告警搜索

//存儲器操作命令
#define?????????????????ANEW_MOVE?????????????	0xB8????????????????????//重新調出E^2數據
#define?????????????????READ_POWER??????????????0xB4????????????????????//讀電源
#define?????????????????TEMP_SWITCH?????????????0x44????????????????????//啟動溫度變換?
#define?????????????????READ_MEMORY?????????????0xBE????????????????????//讀暫存存儲器
#define?????????????????COPY_MEMORY?????????????0x48????????????????????//復制暫存存儲器
#define?????????????????WRITE_MEMORY????????????0x4E????????????????????//寫暫存存儲器

//數據存儲結構
typedef?struct?tagTempData
{
	unsigned?char?					btThird;							//百位數據					
	unsigned?char?					btSecond;							//十位數據
	unsigned?char?					btFirst;							//個位數據
	unsigned?char?					btDecimal;							//小數點后一位數據
	unsigned?char					btNegative;							//是否為負數		
}TEMPDATA;
TEMPDATA?m_TempData;


//引腳定義
sbit?							DQ?=?P2^7;							//數據線端口
sbit?		RS=		P2^0;
sbit?		RW=		P2^1;
sbit?		E=		P2^2;


//DS18B20序列號通過調用GetROMSequence（）函數在P1口讀出（讀8次）
const?unsigned?char?code?ROMData1[8]?=?{0x28?0x33?0xC5?0xB8?0x00?0x00?0x00?0xD7};	//U1
const?unsigned?char?code?ROMData2[8]?=?{0x28?0x30?0xC5?0xB8?0x00?0x00?0x00?0x8E};	//U2
const?unsigned?char?code?ROMData3[8]?=?{0x28?0x31?0xC5?0xB8?0x00?0x00?0x00?0xB9};	//U3
const?unsigned?char?code?ROMData4[8]?=?{0x28?0x32?0xC5?0xB8?0x00?0x00?0x00?0xE0};	//U4
const?unsigned?char?code?ROMData5[8]?=?{0x28?0x34?0xC5?0xB8?0x00?0x00?0x00?0x52};	//U5
const?unsigned?char?code?ROMData6[8]?=?{0x28?0x35?0xC5?0xB8?0x00?0x00?0x00?0x65};	//U6
const?unsigned?char?code?ROMData7[8]?=?{0x28?0x36?0xC5?0xB8?0x00?0x00?0x00?0x3C};	//U7
const?unsigned?char?code?ROMData8[8]?=?{0x28?0x37?0xC5?0xB8?0x00?0x00?0x00?0x0B};	//U8

//判斷忙指令
void?Busy（）
{
	DATA?=?0xff;
	RS?=?0;
	RW?=?1;
???	while（DATA?&?0x80）
???	{
		E?=?0;
???		E?=?1;
???	}
???	E?=?0;
}

//寫指令程序
void?WriteCommand（unsigned?char?btCommand）
{
	Busy（）;
	RS?=?0;
	RW?=?0;
	E?=?1;
	DATA?=?btCommand;
	E?=?0;
}

//寫數據程序
void?WriteData（unsigned?char?btData）
{
	Busy（）;
	RS?=?1;
	RW?=?0;
	E?=?1;
	DATA?=?btData;
	E?=?0;
}

//清屏顯示
void?Clear（）
{
	WriteCommand（1）;
}

//初始化
void?Init（）
{
	WriteCommand（0x0c）;	//開顯示無光標顯示
	WriteCommand（0x06）;	//文字不動，光標自動右移
	WriteCommand（0x38）;	//設置顯示模式:8位2行5x7點陣
}

//顯示單個字符
void?DisplayOne（bit?bRow?unsigned?char?btColumn?unsigned?char?btData?bit?bIsNumber）
{
	if?（bRow）?		WriteCommand（0xc0?+?btColumn）;
	else??????		WriteCommand（0x80?+?btColumn）;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-08-27?10:51??應用實例10??多點溫度采集系統\
?????文件???????96258??2012-03-09?20:08??應用實例10??多點溫度采集系統\Last?Loaded?多點溫度采集系統.DBK
?????文件????????7602??2012-03-09?19:53??應用實例10??多點溫度采集系統\MCU.c
?????文件???????13920??2012-03-09?20:08??應用實例10??多點溫度采集系統\MCU.LST
?????文件???????17799??2012-03-09?20:08??應用實例10??多點溫度采集系統\MCU.OBJ
?????文件????????6376??2005-03-22?15:22??應用實例10??多點溫度采集系統\STARTUP.A51
?????文件???????14048??2012-03-09?20:08??應用實例10??多點溫度采集系統\STARTUP.LST
?????文件?????????749??2012-03-09?20:08??應用實例10??多點溫度采集系統\STARTUP.OBJ
?????文件????????3816??2012-03-09?19:54??應用實例10??多點溫度采集系統\多點溫度測量.hex
?????文件???????16010??2012-03-09?20:08??應用實例10??多點溫度采集系統\多點溫度采集系統
?????文件???????96258??2012-03-10?14:01??應用實例10??多點溫度采集系統\多點溫度采集系統.DSN
?????文件????????3816??2012-03-09?20:08??應用實例10??多點溫度采集系統\多點溫度采集系統.hex
?????文件??????????67??2012-03-09?20:08??應用實例10??多點溫度采集系統\多點溫度采集系統.lnp
?????文件???????19920??2012-03-09?20:08??應用實例10??多點溫度采集系統\多點溫度采集系統.M51
?????文件????????1020??2012-03-10?15:54??應用實例10??多點溫度采集系統\多點溫度采集系統.Opt
?????文件?????????248??2012-03-10?16:08??應用實例10??多點溫度采集系統\多點溫度采集系統.plg
?????文件????????3030??2012-03-10?15:54??應用實例10??多點溫度采集系統\多點溫度采集系統.PWI
?????文件????????2155??2012-03-09?20:47??應用實例10??多點溫度采集系統\多點溫度采集系統.Uv2
?????文件????????1014??2012-03-09?20:47??應用實例10??多點溫度采集系統\多點溫度采集系統_Opt.Bak
?????文件???????????0??2012-03-09?19:50??應用實例10??多點溫度采集系統\多點溫度采集系統_Uv2.Bak