gprs.c

名厂车载GPS通信终端

	Uart2Tx(buf,1);
	isgprsnoservice =1;
	gsc.Gprs_Simcard_bits.isconnecting = 0;
}

void SwitchToGprs(void)
{
	if(gsmstatus.power==_GPRS_POWER_OFF)return;
	if(gsmstatus.gprsdata!=FALSE)return;
	if((gsmstatus.mode&INIT_OK)==0)return;
	//if()//
#ifdef DEBUG_AT
	Uart1Send("NOW SWITCH GPRS");
#endif 
	gsmstatus.mode |= INIT_OK;  //modified by leon 050926 from gsmstatus.mode = 0;
	gsmstatus.workmode  = 2;      //modified by leon 050921 from 1 to 2
	InitSmsParamters();
	Reset_GsmUart();
	Init_Modem_Step = 8;
	Init_To_Gprs();
}

//added by leon 051011 for Retry the OTCP session.
void RetryOTCP()
{
	Init_Modem_Step = 17;
	Init_To_Gprs();
}

void MonitorProc(void)      //不同的工作状态//
{
	static uchar status=0;
	static uint  prestatus=0;
	uint   sendstatus;
	static uchar Bak_Register=0;
	//uint   temp;
	
	Start_Timer(Moniter_Timer,8,SECOND);
	
	sendstatus = 0;
	if(save.basevalue.mode.bit.defend)
	{
		Set_Word_Bit(&sendstatus,9);
	}
	if(save.basevalue.mode.bit.private)
	{
		Set_Word_Bit(&sendstatus,8);
	}
	sendstatus    |=(gsmstatus.signal<<4)&0xf0;
//	if(gsmstatus.gprsstatus)
	if(gsmstatus.gprsdata)//lxo 120611 for lcd display
	{
		Set_Word_Bit(&sendstatus,3);
	}
	if(save.basevalue.mode.bit.simid)
	{
		Set_Word_Bit(&sendstatus,2);
	}
	sendstatus   |=gsmstatus.workmode&0x03;
	//temp        =  gsmstatus.simid;
	if(prestatus!=sendstatus)
	{
#ifdef DEBUG_AT
		//	    Uart1Send("send handset sendstatus:");
		//	    Uart1Word(sendstatus);
#endif
		Send_H05Msg(sendstatus);
		prestatus = sendstatus;
	}
	
	if((gsmstatus.power == _GPRS_POWER_ON && at_atding!=1)&&(gsmstatus.gprsdata==FALSE && !isneedbacktogprs))
	{
		if(gsmstatus.mode&INIT_OK && !gsc.Gprs_Simcard_bits.isconnecting)
		{
			if(status<1)status++;
			else status =0;
			switch(status)
			{
			case 0:
				At_Cmd_Ccid(NULL);//检查sim卡//
				break;
			case 1:
				At_Cmd_Csq();
				break;     
			}
		}
	}
	if(gsmstatus.power!=_GPRS_POWER_ON||((gsmstatus.mode&INIT_OK)==0))
	{
		if(Bak_Register ==1)
		{
			Put_Led_Flash();
		}
		Bak_Register = 0;
	}
	else
	{
		if((gsmstatus.mode&0x70)==0)
		{
			if(Bak_Register ==0)
			{
				Put_Led_High();
			}
			Bak_Register = 1;
		}
		else
		{
			if(Bak_Register ==1)
			{
				Put_Led_Flash();
			}
			Bak_Register = 0;
		}
	}
	if(gsmstatus.mode&NO_SIMCARD)  //没有插卡//
	{
		
	}
	else if(gsmstatus.mode&NO_REGISTER) //没有注册//
	{
		
	}
	else if(gsmstatus.mode&NO_SIGNAL)   //没有信号//
	{
		
	}
}

void Init_Gprs(void)
{
	Init_Gprs_Data();
	InitSmsParamters();
	Init_GsmUart();
	Voice_End();
	Start_Init_Proc(0,0xff);
	Init_Smsrecv();
	Start_Timer(Moniter_Timer,10,SECOND);
}

void Wake_Up_Gprs(void)
{
	Stop_Timer(Sleep_Gprs_Timer);
	gsmstatus.wake  = _GPRS_WAKE;
	if(gsmstatus.power != _GPRS_POWER_ON)
	{
#ifdef DEBUG_AT
		Uart1Send("NEED TO WAKE GPRS");
#endif 
		gsmstatus.power = _GPRS_POWER_ON;
		InitSmsParamters();
		Reset_GsmUart();
		Voice_End();
		gsmstatus.mode = 0;
		gsmstatus.workmode = 2;  //added by leon 051021
		Start_Init_Proc(0,0xff);
	}
}

void Sleep_Gprs(void)
{
	if(gsmstatus.wake != _GPRS_SLEEP)
	{
#ifdef DEBUG_AT
		Uart1Send("NEED TO SLEEP GPRS");
#endif 
		gsmstatus.wake = _GPRS_SLEEP;
		Start_Timer(Sleep_Gprs_Timer,20,MINUTE);
	}
}

uchar gsm_can_work(void)
{
	if(gsmstatus.gprsdata==TRUE && gsmstatus.isupdate == TRUE)   //modified by leon 050929
	{
		Uart1Send("IN gprsdata:");
		Uart1Word(gsmstatus.gprsdata);
		Uart1Word(gsmstatus.isupdate);
		return FALSE;
	} 
	if(gsmstatus.power != _GPRS_POWER_ON)
	{
		Uart1Send("IN power:");
		Uart1Word(gsmstatus.power);
		return FALSE;
	}
	if(gsmstatus.mode&0xf0)
	{
		Uart1Send("IN gsmstatus.mode:");
		Uart1Word(gsmstatus.mode);
		return FALSE;
	}
	else
	{
		return TRUE;
	}
}

BOOL Check_Have_Sm(void)
{
	if(SmBufHead!=SmBufTail)
		return TRUE;
	else
		return FALSE;
}

BOOL Check_Sm_Full(void)
{
	uchar temp;
	
	temp = (SmBufHead+1)%MAXSMBUF;
	if(temp==SmBufTail)
		return TRUE;
	else
		return FALSE;
}

void SendSmsProc(void)
{
	//Stop_Timer(Sms_Send_Timer);
	if(at_return[_AT_CMGS]==_OK)
	{
#ifdef DEBUG_AT
		Uart1Send("send sms success");
#endif
		if(SmBuf[SmBufTail].index==_INDEX_LCD || is_message_data)
		{
            Send_H06Msg(0x01);
			if(is_message_data)
				is_message_data =0;
		}
		else if(SmBuf[SmBufTail].index==_INDEX_SOS)
		{
			if(need_pull_led==1)
			{
				need_pull_led = 0;
				Put_Led_High();
			}
		}
		SmBufTail++;
		if(SmBufTail>=MAXSMBUF) SmBufTail=0;
	}
	else 
	{
		if(SmBuf[SmBufTail].index==_INDEX_LCD)
		{
			Send_H06Msg(0x0);
			SmBufTail++;
			if(SmBufTail>=MAXSMBUF) SmBufTail=0;
		}
		else 
		{
			if(SmBuf[SmBufTail].attrib==_SMS_COMMON)
			{
				SmBufTail++;
				if(SmBufTail>=MAXSMBUF) SmBufTail=0;
			}
			else
			{
#ifdef DEBUG_AT
				Uart1Send("need resend sms");
#endif     
				SmBuf[SmBufTail].time++;
				if(SmBuf[SmBufTail].time>=2)
				{
					SmBufTail++;
					if(SmBufTail>=MAXSMBUF) SmBufTail=0;
				}
			}
		}
#ifdef DEBUG_AT
		Uart1Send("send sms err by failure");
#endif     
	}
	
	if(Check_Have_Sm())
	{
		At_Cmd_Cmgs(SmBuf[SmBufTail].buf,SmBuf[SmBufTail].len,SendSmsProc);
	}
	else
	{
		smssendstatus = _IDLE;
	}
}

void SendSM(LPBYTE msg,WORD len,uchar isunicode,LPBYTE dstPhone,uchar attrib,uchar islcdmsg)
{
	SM_PARAM far *buf;
	uchar simid;
	if(ring.ack !=0)    //added by leon 051110
	{
#ifdef DEBUG_AT
		Uart1Send("it's ringing..can not send sms!");
#endif
		return;
	}
	
//	if((gsmstatus.mode&INIT_OK)!=INIT_OK)//lxo 112801 for can not send sms when open tcp
	if(((gsmstatus.mode&INIT_OK)!=INIT_OK)&&!(gsmstatus.workmode==2&&Init_Modem_Step>4))
	{
		if(islcdmsg==_INDEX_LCD)
		{
			Send_H06Msg(0);
		}
#ifdef DEBUG_AT
		Uart1Send("can't send sms");
#endif 
        if(alarm_flag&0xfe53)//added by lxo 021502
        {
    		need_sendalarm_again = 1;
			if(Hour24Remainder==0)//for 24 hours reset.
				Hour24Remainder=(DWORD)(Get_Lefttime(Hour24_Send_Timer)/MINUTE);//for 24 hours reset.
    		Start_Timer(Hour24_Send_Timer,3,SECOND);
            
        }
		return;
	}
	if(save.basevalue.need_service==1)
	{
		if(islcdmsg!=_INDEX_LCD&&islcdmsg!=_INDEX_SPECIAL)
		{
#ifdef DEBUG_AT
			Uart1Send("don't need service");
#endif          
			return;
		}
	}
	
	if((!gsm_can_work()))//can't send sms//
	{
		if(islcdmsg==_INDEX_LCD)
		{
			Send_H06Msg(0);
		}
#ifdef DEBUG_AT
		Uart1Send("can't send sms");
#endif 
		return;
	}
	if(gsmstatus.power != _GPRS_POWER_ON)
	{
		if(islcdmsg==_INDEX_LCD)
		{
			Send_H06Msg(0);
		}
#ifdef DEBUG_SMS
		Uart1Send("can't send sms");
#endif 
		return;
	}
	if(at_atding==1)
	{
		if(islcdmsg)
		{
			Send_H06Msg(0);
		}
#ifdef DEBUG_SMS
		Uart1Send("can't send sms");
#endif    		
		return;
	}  
	if(Check_Sm_Full())
	{
#ifdef DEBUG_SMS
		Uart1Send("out sms stack");
#endif 
		if(islcdmsg)
		{
			Send_H06Msg(0);
		}
		return;
	}
	buf=calloc(1,sizeof(SM_PARAM));
	if(buf==NULL) 
	{
#ifdef DEBUG_AT
		Uart1Send("can't allocate buf");
#endif 
		return;
	}
#ifdef DEBUG_AT
	Uart1Send("PUT IN SMS STACK");
#endif 
	simid = save.basevalue.mode.bit.simid; //added by leon 050919
	_MemFillCpy(buf->SCA,save.phonenumber.MessageServiceNumb[simid]+1,'\0',16,_Strlen(save.phonenumber.MessageServiceNumb[simid],15)-1);
	_Memcpy(buf->TP_UD,msg,len);
	_MemFillCpy(buf->TPA,dstPhone,'\0',16,_Strlen(dstPhone,16));
	if(isunicode>0)
	{
#ifdef _HAVE_UNICODE
		buf->TP_DCS=GSM_UCS2;
#else
		buf->TP_DCS = GSM_7BIT;
#endif
	}
	else
	{
		buf->TP_DCS=GSM_8BIT;
	}
	buf->TPUD_len =len;
	SmBuf[SmBufHead].len      = gsmEncodePdu(buf, SmBuf[SmBufHead].buf,buf->TPUD_len);
	SmBuf[SmBufHead].index    = islcdmsg;
	SmBuf[SmBufHead].attrib   = attrib;
	SmBuf[SmBufHead].time     = 0;
	SmBufHead++;
	if(SmBufHead>=MAXSMBUF) SmBufHead=0;
	free(buf);
#ifdef	DEBUG_SMS
#endif	
	if(smssendstatus==_IDLE)
	{
		smssendstatus = _BUSY;
		At_Cmd_Cmgs(SmBuf[SmBufTail].buf,SmBuf[SmBufTail].len,SendSmsProc);
	}
}

void Hangup(void)   //挂机//
{
	At_Cmd_Ath();
	gsmstatus.tel        = _TEL_IDLE;
	AutoDial.state       = _IDLE;
	gsmstatus.talkmode   = _TALK_OFF;
	ring.ack             = 0;  //added by leon 051101
	Voice_End();
}

void Deal_Hangbyother(void) //拨号时被对方挂断//
{
#ifdef DEBUG_AT
//	Uart1Send("Deal Hangup by other side.");
//	Uart1Word(ring.ack);
//	Uart1Word(gsmstatus.talkmode);
#endif 
	if(ring.ack==0)return;
	ring.ack = 0;
	if(gsmstatus.talkmode!= _TALK_ON)
	{
		Send_H09Msg(0x00);
		Hangup();
	}
}

void Pickup(void)  //接电话//
{
	if(gsmstatus.tel == _TEL_REDIAL)return;
	if(gsmstatus.tel!=_TEL_IDLE)return;
	if(save.basevalue.mode.bit.voice)
	{
		ToneSetting(save.basevalue.handvolume);
		Voice_Sel(1);
	}
	else
	{
		ToneSetting(save.basevalue.volume);
		Voice_Sel(2);
	}
	audio_status         = 1;
	gsmstatus.tel        = _TEL_USER;
	gsmstatus.talkmode   = _TALK_ON;
	At_Cmd_Ata();
}


void Dial(uchar *telptr,uchar tellen,uchar islcdtel,uchar monitor)
{
	if((!gsm_can_work())||((gsmstatus.mode&0x0c)==0)||(gsmstatus.tel!=_TEL_IDLE)||AutoDial.state==_BUSY)
	{
		if(islcdtel)
		{
			Uart1Send("no telephone status:");
			Uart1Word(gsmstatus.mode);
			Uart1Word(gsmstatus.tel);
			Uart1Word(AutoDial.state);
			Send_H09Msg(0);
		}
		return;
	}
	
	if(monitor)
	{
		gsmstatus.tel = _TEL_MONITOR;
	}
	else
	{
		if(Need_Hangup())
		{
			if(islcdtel)
			{
				Uart1Send("need hangup:");
				Uart1Word(alarm_flag);
				Send_H09Msg(0);
			}
			return;
		}
		if(islcdtel)
		{
			Send_H09Msg(0x01);
			gsmstatus.tel = _TEL_USER;
		}
		else
		{
			Send_H07Msg(telptr,tellen);
			gsmstatus.tel = _TEL_REDIAL;
		}
		if(save.basevalue.mode.bit.voice)
		{
			ToneSetting(save.basevalue.handvolume);
		}
		else
		{
			ToneSetting(save.basevalue.volume);
		}
	}
	if(gsmstatus.gprsdata == TRUE)           //added by leon 051008
	{
		SwitchToAtCmd();
		Start_Timer(Gprs_Service_Timer,1,MINUTE);
	}
#ifdef DEBUG_AT
	//   Uart1Send(telptr);
#endif 
	At_Cmd_Atd(telptr,tellen);
}

void GprsTaskEntry(void)
{
	Find_Proc(GPRSTASKPROC,Current_Tskmsg->msgid,sizeof(GPRSTASKPROC)/sizeof(ENTRY_PROC));
}