//====================================================================================
//文 件 名: Tem_Meature.c
//功能描述: 溫度測(cè)量驅(qū)動(dòng)程序
//維護(hù)記錄: 2006-6-27   v1.0         by hongyan.Feng
//====================================================================================
#include "SPCE061A.h"

extern unsigned int ADGet(void);			//申明熱敏電阻上分到電壓的A/D轉(zhuǎn)換函數(shù)
unsigned int TADData,TCounter;

float V[125]={1.576304,1.558983,1.541521,1.523924,1.506198,1.488351,1.470389,1.452319,1.434150,1.415889,
              1.397544,1.379122,1.360632,1.342083,1.323481,1.304837,1.286158,1.267453,1.248731,1.230000,
              1.230000,1.211269,1.192547,1.173842,1.155163,1.136519,1.117917,1.099368,1.080878,1.062456,
              1.044111,1.025850,1.007681,0.989611,0.971650,0.953802,0.936076,0.918479,0.901017,0.883696,
              0.866524,0.849505,0.832646,0.815952,0.799428,0.783080,0.766911,0.750927,0.735131,0.719528,
              0.704121,0.688913,0.673907,0.659107,0.644514,0.630131,0.615961,0.602004,0.588263,0.574738,
              0.561431,0.548342,0.535473,0.522823,0.510392,0.498181,0.486190,0.474417,0.462862,0.451525,
              0.440405,0.429499,0.418808,0.408329,0.398061,0.388003,0.378152,0.368507,0.359066,0.349826,
              0.340785,0.331941,0.323291,0.314834,0.306566,0.298485,0.290588,0.282873,0.275336,0.267976,
              0.260789,0.253772,0.246923,0.240239,0.233717,0.227353,0.221146,0.215092,0.209187,0.203431,
              0.197819,0.192348,0.187016,0.181821,0.176758,0.171826,0.167021,0.162341,0.157783,0.153345,
              0.149023,0.144815,0.140719,0.136734,0.132852,0.129076,0.125401,0.121825,0.118346,0.114962,
              0.111669,0.10847,0.105353,0.1023233,0.099378}; //用來(lái)存放0~125攝氏度對(duì)應(yīng)熱敏電阻分到的標(biāo)定電壓值
//====================================================================================
//語(yǔ)法格式: void Temp_Init(void) 
//功能描述: 溫度測(cè)量初始化
//入口參數(shù): 無(wú)
//出口參數(shù): 無(wú)
//維護(hù)記錄: 2006年6月27         by hongyan.Feng
//====================================================================================
void Temp_Init(void)                     
{
	*P_IOA_Dir &= 0xfffe;						//初始化IOA0(LINE1)為懸浮輸入口
	*P_IOA_Attrib |= 0x0001;
	*P_IOA_Data &= 0xfffe;
}
//====================================================================================
//語(yǔ)法格式: unsigned int Temp_Measure(void) 
//功能描述: 溫度測(cè)量,測(cè)量得到的數(shù)據(jù)存放在iTemp中,并語(yǔ)音播放這個(gè)數(shù)據(jù)
//入口參數(shù): 無(wú)
//出口參數(shù): 溫度值
//維護(hù)記錄: 2006年6月27         by hongyan.Feng
//====================================================================================
unsigned int Temp_Measure(void)
{
	unsigned int x,iTemp,Flag;					//ADData用來(lái)存放A/D轉(zhuǎn)換的數(shù)據(jù),x用來(lái)循環(huán),iTemp用來(lái)存放溫度值
	float iADData;								//iADData用來(lái)存放轉(zhuǎn)換后的電壓數(shù)據(jù)
	  
	iADData = 0.0000;							//初始化為0
	Flag = 1;
		
	Temp_Init();								//端口初始化
	
	*P_INT_Ctrl = 0x0010;
	__asm("int irq");
	
	while(Flag)
	{
		if(TCounter==10)
		{
			__asm("int off");
			TADData = TADData/10;					//取10次測(cè)量數(shù)據(jù)的平均值  
			iADData = iADData+TADData*3.3/0x03ff;//把A/D轉(zhuǎn)換后數(shù)據(jù)計(jì)算成電壓,并進(jìn)行累加 
			for(x=0;x<125;x++)					//查表,根據(jù)測(cè)量到的電壓計(jì)算溫度值
			{
 				if(iADData<V[x]&&iADData>V[x+1])
					iTemp = x;					//保存溫度值
				*P_Watchdog_Clear = 0x0001;			
			}
			TCounter = 0;
			TADData = 0;
			Flag = 0;
		}
		*P_Watchdog_Clear = 0x0001;				//清看門狗
	}
	return iTemp;								//返回溫度值
}

//====================================================================================
//語(yǔ)法格式: void Delay(unsigned int i) 
//功能描述: 延時(shí)函數(shù)
//入口參數(shù): i延時(shí)時(shí)間
//出口參數(shù): 無(wú)
//維護(hù)記錄: 2006年6月27         by hongyan.Feng
//====================================================================================
void Delay(unsigned int i)
{
	int m,n;
	for(m=0;m<i;m++)
		for(n=0;n<0x03ff;n++)
			*P_Watchdog_Clear = 0x0001;
}