main.c

PIC18F6520+SIM300做的透明传输的DTU

				ByteRecvUART2 = 0;
				if(ModulFlags.Bit.EchoModule == 1)
					ModulFlags.Bit.EchoModule = 0;
			}
		}
		else
	  	{//收到的是?
			ModulFlags.Bit.EchoModule = 0 ;
//			ClearGPRSREG();
	  	}
	}//END of if(ModulFlags.Bit.EchoModule)

//********************************************************************
//改成：cRet = strncmppgm2ram()

	if(GPRSComm.Bit.CMD_Frame == 0x01)
	{	
		PassSeconds(1);
		for(j=0;j<Length;j++)
		{
  			BUF_METER[j] = RecvFromMS[IPDHead + j]; 	//将主站的接收缓冲区的数据
		}												//转送到电表的通讯缓冲区
//
		for(tt=0;tt<4;tt++)	//找到第一个68H，定位帧头
		{
			if(BUF_METER[tt] == 0x68)
				break;
		}
		if(BUF_METER[tt] != 0x68)
		{//威胜规约，直接转给电表
			GreenLed = LIGHT;		
			SendCMDtoMeter(j);			
			ClearGPRSREG();
		}
  	    else if(BUF_METER[tt+8]==0x09 && BUF_METER[tt+0x0A]==0x01 )	//BUF_METER[0x0A] = DI0
  	    {//主站专门发给DTU的命令处理
			GPRSComm.Bit.CMD_Frame = 0;
			CMDtoDTU();
			ClearGPRSREG();
  	    }
		else
		{//国标规约，转给电表
			GreenLed = LIGHT;		
			SendCMDtoMeter(j);			
			ClearGPRSREG();
		}
	}

//********************************************************************
	if(MeterComm.Bit.aFrame == 0x01)
	{
  	    if(BUF_METER[8] == 0x09 && BUF_METER[0x0A] == 0x00)	//掌机命令
  	    {								//BUF_METER[0x0A] = DI0
			HanderCMD();
			ClearMeterREG();			//清除电表标志
  	    }
		else
		{
  	    	LoadCMD_CIPSEND();
	  		WaitReturn = 0;
	  		dLength = ByteReceived;
			ByteReceived = 0;
	  		if(dLength>=100)
	  		{
	  			tempArr[0] = dLength / 100;						//求百位
	  			temp2 = dLength-(dLength / 100) * 100;	
	  			tempArr[1] = temp2 / 10;						//求十位
	  			tempArr[2] = temp2-(temp2 / 10) * 10;			//求个位
	  			TranToMS[CIPSEND_SIZE] = _EQUAL;
	  			TranToMS[CIPSEND_SIZE + 1] = tempArr[0]+0x30;	//转换成字符
	  			TranToMS[CIPSEND_SIZE + 2] = tempArr[1]+0x30;	//转换成字符
	  			TranToMS[CIPSEND_SIZE + 3] = tempArr[2]+0x30;	//转换成字符
	  			TranToMS[CIPSEND_SIZE + 4] = _CR;	
  	  			SendToModule (CIPSEND_SIZE + 5);
	  		}  
	  		else if(dLength >= 10)
	  		{
	  			tempArr[0] = dLength/10;						//求十位
	  			tempArr[1] = dLength-(dLength/10)*10;			//求个位
	  			TranToMS[CIPSEND_SIZE] = _EQUAL;
	  			TranToMS[CIPSEND_SIZE + 1] = tempArr[0]+0x30;	//转换成字符
	  			TranToMS[CIPSEND_SIZE + 2] = tempArr[1]+0x30;	//转换成字符
	  			TranToMS[CIPSEND_SIZE + 3] = _CR;	
  	  			SendToModule (CIPSEND_SIZE + 4);
 	  		}	
	  		else		//dLength<10
	  		{
	  			TranToMS[CIPSEND_SIZE] = _EQUAL;
	  			TranToMS[CIPSEND_SIZE + 1] = dLength + 0x30;	//转换成字符
	  			TranToMS[CIPSEND_SIZE + 2] = _CR;	
  	  			SendToModule (CIPSEND_SIZE + 3);
 	  		}	
  	  		delay20ms ();
	  		for(k=0;k<dLength;k++)
	  		{
	  			TranToMS[k] = BUF_METER[k]; 
	  		}				
	  		WaitReturn = 0;
  	  		SendToModule (dLength);		//把从电表那收到的回送上传给主站
			DelaySeconds(10);
			GreenLed = CLOSE;			//发送完关绿灯
			ClearGPRSREG();
			ClearMeterREG();			//清除电表标志
			MinCounter = 0;
		}//END of else
	}//END if(MeterComm.Bit.aFrame == 1)
  }//END while (1)
}//END of main()

// *******    子函数   ***************
void B2ASC(void)
{
	if(temp2>=0 && temp2<=9)	//如果字符是十进制数字，返回非0
	{
		temp2 += 0x30;						
	}
	else
	{
		temp2 += 55;
	}
}

void Load645Header(void)
{
	BUF_METER[0] = 0xFE;
	BUF_METER[1] = 0xFE;
	BUF_METER[2] = 0xFE;

	BUF_METER[3] = 0x68;
	BUF_METER[4] = 0x99;
	BUF_METER[5] = 0x99;
	BUF_METER[6] = 0x99;
	BUF_METER[7] = 0x99;
	BUF_METER[8] = 0x99;
	BUF_METER[9] = 0x99;
	BUF_METER[10] = 0x68;
	BUF_METER[11] = 0x01;
	BUF_METER[12] = 0x02;
}

void ASC2B(void)
{
		if(isdigit(temp2))	//如果字符是十进制数字，返回非0
		{
			temp2 -=0x30;						
		}
		else if(isalpha(temp2))
		{
    		switch (temp2)
    		{
      			case 'A':
      			case 'a':
              		temp2 = 0x0A;
              		break;
      			case 'B':
      			case 'b':
              		temp2 = 0x0B;
              		break;
      			case 'C':
      			case 'c':
              		temp2 = 0x0C;
              		break;
      			case 'D':
      			case 'd':
              		temp2 = 0x0D;
              		break;
      			case 'E':
      			case 'e':
              		temp2 = 0x0E;
              		break;
      			case 'F':
      			case 'f':
              		temp2 = 0x0F;
              		break;
      			default:  
              	return;
    		}    
		}
}
void Proc_SMS(void)
{
	unsigned char ii,DotCounter;
	unsigned int cSum = 0;

	SMS_Start = 0x10;
	
	Index0 = RecvFromMS[15];	//取得这个短信的INDEX
	Index1 = RecvFromMS[16];	//INDEX不能大于99
	LoadCMD_CMGR();
	WaitReturn = 4;
	SendToModule (CMGR_CMGD_SIZE);
	DelaySeconds(4);

	if(ModulFlags.Bit.EchoModule == 1)
	{
		ClearGPRSREG();
  	}
  	else
  	{
		ErrorMSG();
		return;
  	}

	ErrorMSG();							//删除该短信

//加上超时判断,除法改为移位    			
//取出 Address_Length
	temp3 = CMGR_Echo+MGHeader-2;
	if(RecvFromMS[temp3]>='A' && RecvFromMS[temp3]<'G')
	  temp1 = RecvFromMS[temp3]-0x41+0x0A;
	else if(RecvFromMS[temp3]>='0' && RecvFromMS[temp3]<='9')
	  temp1 = RecvFromMS[temp3]-0x30;
	else
	  	return;
	  
	temp3 += 1;
	if(RecvFromMS[temp3]>='A' && RecvFromMS[temp3]<'G')
	  temp2 = RecvFromMS[temp3]-0x41+0x0A;
	else if(RecvFromMS[temp3]>='0' && RecvFromMS[temp3]<='9')
	  temp2 = RecvFromMS[temp3]-0x30;
	else
	  	return;

	Address_Length = temp1 << 4;	//  *16+temp2
	Address_Length = Address_Length + temp2;
	temp3 = Address_Length & 0x01;
	if(temp3 == 1)	//奇数，0DH，要加填充位
	  Address_Length++;
	  
//定位 TP_UDL
	IndexOfTP_UDL = CMGR_Echo + MGHeader + 2 + Address_Length + 18;//18=(1+1+7)*2
	IndexOfTP_DCS = IndexOfTP_UDL - 16;

//解析出TP_DCS:=00 text mode;=08:PDU mode	
	temp1 = RecvFromMS[IndexOfTP_DCS]-0x30;
	temp2 = RecvFromMS[IndexOfTP_DCS + 1]-0x30;
	TP_DCS = temp1 << 4;
	TP_DCS = TP_DCS + temp2;

//解析出TP_UDL
	if(RecvFromMS[IndexOfTP_UDL]>='A' && RecvFromMS[IndexOfTP_UDL]<'G')
	  temp1 = RecvFromMS[IndexOfTP_UDL]-0x41+0x0A;
	else if(RecvFromMS[IndexOfTP_UDL]>='0' && RecvFromMS[IndexOfTP_UDL]<='9')
	  temp1 = RecvFromMS[IndexOfTP_UDL]-0x30;
	else
	  	return;
	  
	if(RecvFromMS[IndexOfTP_UDL + 1]>='A' && RecvFromMS[IndexOfTP_UDL + 1]<'G')
	  temp2 = RecvFromMS[IndexOfTP_UDL + 1]-0x41+0x0A;
	else if(RecvFromMS[IndexOfTP_UDL + 1]>='0' && RecvFromMS[IndexOfTP_UDL + 1]<='9')
	  temp2 = RecvFromMS[IndexOfTP_UDL + 1]-0x30;
	else
	  	return;

	TP_UDL = temp1 << 4;	//  (*16+temp2)/2;
	TP_UDL = TP_UDL + temp2;
	if(TP_DCS == 0x08)	//PDU mode
	{
		TP_UDL = TP_UDL >> 1;
	}
	DataAddr = IndexOfTP_UDL + 2;
//15个字节长的IP地址+port=2020(9个字节长)

/*收到 DL（电量），UDL=04，意指0044 004C,但实际发送过来是8个字节：
30 30 34 34 30 30 34 43
TP_UDL除以2后=2
RecvFromMS[72]、[73]是UDL：30 34
*/
//	if(TP_UDL == 0x01 || TP_UDL == 0x0D)	
	if(TP_UDL == 0x01)	
	{//短信采集数据：当前电量：DL
		if(TP_UDL == 0x0D)	
		{
			DataAddr = 0x64;
		}
  		if(TP_DCS == 0x08)
	  	{
			temp1 = RecvFromMS[DataAddr+2];	//+2：跳过30 30
			temp2 = RecvFromMS[DataAddr+3];
  		}
  		else
  		{
			temp1 = RecvFromMS[DataAddr];	//GSM模式没30
			temp2 = RecvFromMS[DataAddr+1];
  		}
	 	if(temp1 < '0' || temp1 > '9')	//发过来的是字母：41H~5AH,所以高位是数字
	  		return;

		ASC2B();
		temp3 = (temp1-0x30)<<4 ;
		SMS_CMD = temp3 + temp2;		//D
		if(isalpha(SMS_CMD))	//如果不是字母
		{
			Nop();
		}
		else
		{
			Nop();
	  		return;
		}
//命令解析
// ---------------------------------------------------
		if(SMS_CMD == 'C' || SMS_CMD == 'c')		//C:主站请求连接
		{
			OK_Data();
			Close_Shut();
			PassSeconds(10);
			OtherFlags.Bit.SysCancel = 0;
			ConnectDNS();
			SendSMS();
		}
		else if(SMS_CMD == 'D' || SMS_CMD == 'd')	//D:当前有功电量采集
		{
			Load645Header();
			BUF_METER[13] = 0x1F + 0x33;	//DI0
			BUF_METER[14] = 0x90 + 0x33;	//DI1,0x90+0x33=0xC3
			EnergyOfMonth = 0;
			
			CHECKSUM();
			SendCMDtoMeter(17);
			for(ii = 80;ii > 0;ii--) 	//延时4秒
			{
				if(MeterComm.Bit.aFrame == 0x01)
					break;
  				delay50ms ();
			}
			if(MeterComm.Bit.aFrame == 0x00)
				return;
			MeterComm.Bit.aFrame = 0x00;
			SMS_Energy();
		}
		else if(SMS_CMD == 'J' || SMS_CMD == 'j')	//J:用短信检测信道
		{
			OK_Data();
			//发送短信
			SendSMS();
		}
		else if(SMS_CMD == 'Q' || SMS_CMD == 'q')	//Q:前月电量
		{
			Load645Header();
			BUF_METER[13] = 0x1F + 0x33;	//DI0
			BUF_METER[14] = 0x98 + 0x33;	//DI1,0x94+0x33=0xCB
			EnergyOfMonth = 2;
			
			CHECKSUM();
			SendCMDtoMeter(17);
			for(ii = 80;ii > 0;ii--) 	//延时4秒
			{
				if(MeterComm.Bit.aFrame == 0x01)
					break;
  				delay50ms ();
			}
			if(MeterComm.Bit.aFrame == 0x00)
				return;
			MeterComm.Bit.aFrame = 0x00;
			SMS_Energy();
		}
		else if(SMS_CMD == 'R' || SMS_CMD == 'r')	//R:module复位命令
		{
			OtherFlags.Bit.TCPLink = 0;
			OK_Data();
			Close_Shut();
			ReInitial();
			SendSMS();		//发送短信
//			
		}
		else if(SMS_CMD == 'S' || SMS_CMD == 's')	//S:上月电量
		{
			Load645Header();
			BUF_METER[13] = 0x1F + 0x33;	//DI0
			BUF_METER[14] = 0x94 + 0x33;	//DI1,0x94+0x33=0xC7
			EnergyOfMonth = 1;
			
			CHECKSUM();
			SendCMDtoMeter(17);
			for(ii = 80;ii > 0;ii--) 	//延时4秒
			{
				if(MeterComm.Bit.aFrame == 0x01)
					break;
  				delay50ms ();
			}
			if(MeterComm.Bit.aFrame == 0x00)
				return;
			MeterComm.Bit.aFrame = 0x00;
			SMS_Energy();
		}
		else if(SMS_CMD == 'T' || SMS_CMD == 't')	//T:读module时间
		{
			LoadCMD_CCLK();
			WaitReturn = 2;
			SendToModule (CCLK_SIZE);
			DelaySeconds(2);
//
  			if(ModulFlags.Bit.EchoModule == 1)
  			{
				ModulFlags.Bit.EchoModule = 0 ;
//RecvFromMS[0x0A + j]:05/05/23,14:49:00
				NOAddr = SMS_Start + 0x18;
				for(tt=0;tt<Address_Length;tt++)
				{
					//对方号码
					SMS_Return[tt] = RecvFromMS[NOAddr+tt];
				}
				for(tt=0;tt<SMS_Header2_SIZE;tt++)
				{
					SMS_Return[Address_Length+tt] = SMS_Header2[tt];
				}
				UDLAddr = Address_Length+SMS_Header2_SIZE;
// -----  格式转换
				EnergyDataAddr = UDLAddr+2;
				TimeDataToUCS2();
				UDLLength = 34;	//17*2
//结束符
  				AllLength = EnergyDataAddr + UDLLength * 2;
  				SMS_Return[AllLength] = _CTRLZ;
				SendSMS();
  			}
			WaitReturn = 0;
		}
		else if(SMS_CMD == 'W' || SMS_CMD == 'w')	//W:当前无功电量采集
		{
			Load645Header();
			BUF_METER[13] = 0x1F + 0x33;	//DI0
			BUF_METER[14] = 0x91 + 0x33;	//DI1,0x90+0x33=0xC3
			EnergyOfMonth = 3;
			
			CHECKSUM();
			SendCMDtoMeter(17);
			for(ii = 80;ii > 0;ii--) 	//延时4秒
			{
				if(MeterComm.Bit.aFrame == 0x01)
					break;
  				delay50ms ();
			}
			if(MeterComm.Bit.aFrame == 0x00)
				return;
			MeterComm.Bit.aFrame = 0x00;
			SMS_Energy();
		}
	}//END of if(TP_UDL == 1)	
	
// ******************************************************************************
	else if(TP_UDL == 0x03)
	{//短信采集数据：当前电量：D79 old WEISHENG multimeter
	  	if(TP_DCS == 0x08)	//UCS2 mode
		{		
			temp1 = RecvFromMS[DataAddr+2];	//+2：跳过30 30
			temp2 = RecvFromMS[DataAddr+3];
	 		if(temp1 < '0' || temp1 > '9')		//发过来的是字母：41H~5AH,所以高位是数字
	  			return;

			ASC2B();
			temp3 = (temp1-0x30)<<4 ;
			SMS_CMD = temp3 + temp2;			//D
			if(isalpha(SMS_CMD) == 0)		//如果不是字母
	  			return;
		}
		else				//GSM模式
		{
			temp2 = RecvFromMS[DataAddr];	//GSM模式没30
			ASC2B();
			temp1 = temp2;
			temp2 = RecvFromMS[DataAddr+1];
			ASC2B();
			temp3 = temp1 << 4 ;
			Text1 = temp3 + temp2;			//D
			temp2 = RecvFromMS[DataAddr+2];	//GSM模式没30
			ASC2B();
			temp1 = temp2;
			temp2 = RecvFromMS[DataAddr+3];
			ASC2B();
			temp3 = temp1 << 4 ;
			Text2 = temp3 + temp2;			//D
			temp2 = RecvFromMS[DataAddr+4];	//GSM模式没30
			ASC2B();
			temp1 = temp2;
			temp2 = RecvFromMS[DataAddr+5];
			ASC2B();
			temp3 = temp1 << 4 ;
			Text3 = temp3 + temp2;			//D

			SMSText();
			SMS_CMD = Text1;
			if(isalpha(SMS_CMD) == 0)		//如果不是字母
	  			return;
		}
		if(TP_DCS == 0x08)
		{
			temp1 = RecvFromMS[DataAddr+6];		//+2：跳过30 30
			temp2 = RecvFromMS[DataAddr+7];
			k = temp1-0x30;
			temp3 = k << 4;
			DepNOHigh = temp3 + (temp2-0x30);
			temp1 = RecvFromMS[DataAddr+10];	//+2：跳过30 30
			temp2 = RecvFromMS[DataAddr+11];
			k = temp1-0x30;
			temp3 = k << 4;
			DepNOLow = temp3 + (temp2-0x30);
		}
		else
		{
			DepNOHigh = Text2;
			DepNOLow = Text3;
		}
		temp3 = (DepNOHigh-0x30)<<4;
		BUF_METER[0] = temp3 +(DepNOLow-0x30);
		BUF_METER[1] = 0xC7;
		BUF_METER[2] = 0x9A;

//命令解析
// ---------------------------------------------------
		if(SMS_CMD == 'D' || SMS_CMD == 'd')		//D:当前电量采集
		{
			BUF_METER[3] = 0x40;					//总电量数据位
			OtherFlags.Bit.WS_NowLastE = 0;
		}