#include "Include.h"

extern unsigned char NowKey;				//當(dāng)前按鍵
extern unsigned int  Tc;					//超時(shí)計(jì)時(shí)器
extern unsigned char Timer;					//超時(shí)計(jì)數(shù)
extern unsigned char Timer2;				//超時(shí)計(jì)數(shù)2
//extern unsigned char BellTimer;
extern unsigned char Rx_Cnt;				//串口接收計(jì)數(shù)器
extern	bit		ReceiveOK;					//數(shù)據(jù)包接收完成標(biāo)志位
sbit FINGER_POWER=P1^0;						//模塊電源控制，低電平有效
unsigned char FingerRecord[26];				//指紋記錄數(shù)組，每位代表對應(yīng)編號(hào)指紋有無
unsigned char xdata CommBuf[MAX_BUF_NUMBER];//串口緩沖
unsigned char xdata SCC;					//串口接收和校驗(yàn)
//打開模塊電源

void FingerOn(void)
{
        FINGER_POWER=0;
        DelayNuS(10);
}
//關(guān)閉模塊電源
void FingerOff(void)
{
        FINGER_POWER=1;
        DelayNuS(10);
}
//初始化
void FingerInit(void)
{
        UARTInit();
        FingerOff();

        memset(FingerRecord,0,sizeof(FingerRecord));//初始化記錄
}
//復(fù)位UART變量
void Clear_Uart_Variable(void)
{
		ReceiveOK = 0;
		Rx_Cnt = 0;	
}

//發(fā)送命令
//內(nèi)含編碼
//入口參數(shù)：
//      BaoBS：包標(biāo)識(shí)
//      Number：包內(nèi)容長度
//      p：待發(fā)包內(nèi)容
//返回值：
//      1：操作成功
//      0：參數(shù)錯(cuò)誤
//      2：超時(shí)
unsigned char SendCommand(unsigned char BaoBS,unsigned char Number,unsigned char *p)
{
        unsigned char i = 0;	   //發(fā)送一個(gè)數(shù)據(jù)包:'M'+'X'+BaoBS+Number+&p+SUM
        unsigned char Sum = 0;
        unsigned char* pt = p;

        if(Number>MAX_LR_NUMBER)
        {
                return FALSE;//參數(shù)錯(cuò)誤
        }

        //發(fā)送包頭
        UARTSendByte('M');
        Sum += 'M';
        UARTSendByte('X');
        Sum += 'X';

        //發(fā)送包標(biāo)識(shí)
        UARTSendByte(BaoBS);
        Sum += BaoBS;

        //發(fā)送包長度
        UARTSendByte(Number);
        Sum += Number;

        //發(fā)送包內(nèi)容
        for(i = 0;i<Number;i++)
        {
                UARTSendByte(*p);
                Sum += *p;
                p++;
        }
        //發(fā)送校驗(yàn)和
        UARTSendByte(Sum);
		return	0;
}

//清空指紋
//返回值：
//      OK：操作成功
//      其它：通訊錯(cuò)誤
unsigned char EmptyFinger(void)
{
        unsigned char Command = C_EMPTY_FINGER;

		Clear_Uart_Variable();
		SendCommand(C_COMMAND,1,&Command);

		Tc = 2;
		while(!ReceiveOK&&Tc);
		Clear_Uart_Variable();
		if(0==Tc)	return	FALSE;

		if(SCC==CommBuf[CommBuf[3]+4])				//數(shù)據(jù)包和校驗(yàn)判斷
		{
			if((C_ANSWER==CommBuf[2])&&(0x01==CommBuf[4]))
			{
				;	
			}
			else
			{
				return	ANSWER_NUMBER_E;
			}
		}
		else
		{
			return	C_GET_FAIL;
		}

		Tc = 2;
		while(!ReceiveOK&&Tc);
		Clear_Uart_Variable();
		if(0==Tc)	return	FALSE;

		if(SCC==CommBuf[CommBuf[3]+4]) 					//數(shù)據(jù)包和校驗(yàn)判斷
		{
			if((C_ANSWER==CommBuf[2])&&(C_EMPTY_FINGER==CommBuf[4]))
			{				
				return OK;	
			}
			else
			{
				return	ANSWER_NUMBER_E;
			}
		}
		else
		{
			return	C_GET_FAIL;
		}

        return FALSE;
}

//寫Flash
//入口參數(shù)：
//      p：待寫數(shù)據(jù)存放地址
//      Number：讀取個(gè)數(shù)
//      AddrH：地址高字節(jié)
//      AddrL：地址低字節(jié)
//返回值：
//      OK：操作成功
//      其它：通訊錯(cuò)誤
unsigned char WriteFingerFlash(unsigned char *p,unsigned char Number,unsigned char AddrH,unsigned char AddrL)
{
        CommBuf[0] = C_WRITE_FLASH;
        CommBuf[1] = AddrH;
        CommBuf[2] = AddrL;
        CommBuf[3] = Number;

        memcpy(&CommBuf[4],p,Number);

		Clear_Uart_Variable();
		SendCommand(C_COMMAND,Number+4,CommBuf);

		Tc = 2;
		while(!ReceiveOK&&Tc);
		Clear_Uart_Variable();
		if(0==Tc)	return	FALSE;

		if(SCC==CommBuf[CommBuf[3]+4])				//數(shù)據(jù)包和校驗(yàn)判斷
		{
			if((C_ANSWER==CommBuf[2])&&(0x01==CommBuf[4]))
			{
				;	
			}
			else
			{
				return	ANSWER_NUMBER_E;
			}
		}
		else
		{
			return	C_GET_FAIL;
		}

		Tc = 2;
		while(!ReceiveOK&&Tc);
		Clear_Uart_Variable();
		if(0==Tc)	return	FALSE;

		if(SCC==CommBuf[CommBuf[3]+4])					//數(shù)據(jù)包和校驗(yàn)判斷
		{
			if((C_ANSWER==CommBuf[2])&&(C_WRITE_FLASH==CommBuf[4]))
			{				
				return OK;	
			}
			else
			{
				return	ANSWER_NUMBER_E;
			}
		}
		else
		{
			return	C_GET_FAIL;
		}

        return FALSE;
}

//讀Flash
//入口參數(shù)：
//      p：讀取數(shù)據(jù)存放地址
//      Number：讀取個(gè)數(shù)
//      AddrH：地址高字節(jié)
//      AddrL：地址低字節(jié)
//返回值：
//      OK：操作成功
//      其它：通訊錯(cuò)誤
unsigned char ReadFingerFlash(unsigned char *p,unsigned char Number,unsigned char AddrH,unsigned char AddrL)
{
        unsigned char Command = C_READ_FLASH; 

        CommBuf[0] = C_READ_FLASH;
        CommBuf[1] = AddrH;
        CommBuf[2] = AddrL;
        CommBuf[3] = Number;
		//發(fā)送讀Flash指令
		Clear_Uart_Variable();
		SendCommand(C_COMMAND,4,CommBuf);

		//等待接收正確接收返回
		Tc = 2;
		while(!ReceiveOK&&Tc);
		Clear_Uart_Variable();
		if(0==Tc)	return	FALSE;

		if(SCC==CommBuf[CommBuf[3]+4]) 				//數(shù)據(jù)包和校驗(yàn)判斷
		{
			if((C_ANSWER==CommBuf[2])&&(0x01==CommBuf[4]))
			{
				;	
			}
			else
			{
				return	ANSWER_NUMBER_E;
			}
		}
		else
		{
			return	C_GET_FAIL;
		}

		//等待返回?cái)?shù)據(jù)
		Tc = 2;
		while(!ReceiveOK&&Tc);
		Clear_Uart_Variable();
		if(0==Tc)	return	FALSE;

		if(SCC==CommBuf[CommBuf[3]+4]) 					//數(shù)據(jù)包和校驗(yàn)判斷
		{
			if((C_ANSWER==CommBuf[2])&&(C_READ_FLASH==CommBuf[4]))
			{
                memcpy(p,&CommBuf[5],Number);//復(fù)制數(shù)據(jù)					
				return OK;	
			}
			else
			{
				return	ANSWER_NUMBER_E;
			}
		}
		else
		{
			return	C_GET_FAIL;
		}

        return FALSE;
}