gprs_handle.c

周立功ARM9 2410试验平台的uCOS-II基础实验代码

**
** 作　者: Yehaoben
** 日　期: 2005年7月1日
**-------------------------------------------------------------------------------------------------------
** 修改人: 
** 日　期: 
**-------------------------------------------------------------------------------------------------------
********************************************************************************************************/
uint8 GPRSAutoTakeTheCall()
{	
	uint8 err;
	OSSemPend(GPRS_TCB.GPRSRing, OS_TICKS_PER_SEC*2, &err);
	if(err == OS_NO_ERR)
	{
		ZLG_GPRS_SND_CMD("ATA\r\n");
		return 0;
	}
	else
		return 1;
}
/*********************************************************************************************************
** Function name:			ZLG_GPRS_RVC_HANDLE
**
** Descriptions:			Revice data and save into GPRSDataQ
**
** input parameters:		uint8 :one data
**							
** Returned value:			None
**         
** Used global variables:	None
** Calling modules:			None
**
** Created by:				Yehaoben
** Created Date:			2005/06/02
**-------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
void ZLG_GPRS_RVC_HANDLE(uint8 i)
{
	if( GPRS_TCB.Status & 0x0010 )
	{
		if( ( i == '>' ) || ( i == 'O' ) || (GPRS_TCB.GPRS_MSG_WR_PTR > 0) )
		{
			GPRS_TCB.RCVMSG[GPRS_TCB.GPRS_MSG_WR_PTR] = i;
			if(i == '\n')
			{
				GPRS_TCB.RCVMSG[GPRS_TCB.GPRS_MSG_WR_PTR+1] = 0;
				if( (GPRS_TCB.Status & 0XFFFd) )//if SENDING COMMAND BIT
				if(strncmp(GPRS_TCB.RCVMSG,"OK\r\n",strlen("OK\r\n")) == 0)
				{
					GPRS_TCB.Status = GPRS_TCB.Status & 0XFFF8;//CLEAR COMMAND BIT
					OSSemPost(GPRS_TCB.GPRSCmdOK);//send call signal; 
				}	
				GPRS_TCB.GPRS_MSG_WR_PTR = 0;
			}
			else if(i == '>')
			{
				if(GPRS_TCB.Status & 0X0020)
				{
					GPRS_TCB.Status = GPRS_TCB.Status & 0XFFD9;//CLEAR COMMAND BIT AND MESSAGE BIT
					OSSemPost(GPRS_TCB.GPRSMsgWR);//send call signal; 
					GPRS_TCB.GPRS_MSG_WR_PTR = 0;
				}
			}
			else
			{
				GPRS_TCB.GPRS_MSG_WR_PTR ++;
				if(GPRS_TCB.GPRS_MSG_WR_PTR >= GPRS_CMDMaxSize+100)
				{
					GPRS_TCB.GPRS_MSG_WR_PTR = 0;
				}
			}
		}
		else if(GPRS_TCB.GPRS_MSG_WR_PTR == 0)
		{
			GPRS_TCB.RCVMSG[GPRS_TCB.GPRS_MSG_WR_PTR] = i;
			GPRS_TCB.GPRS_MSG_WR_PTR ++;
		}
		
	}
	else if( (GPRS_TCB.Status & 0x0001) == 0 )//BUZY
	{
		if( ( i == '>' ) || ( i == 'O' ) || (GPRS_TCB.GPRS_RCV_WR_PTR > 0) )
		{
			GPRS_TCB.RCVCommand[GPRS_TCB.GPRS_RCV_WR_PTR] = i;
			if(i == '\n')
			{
				GPRS_TCB.RCVCommand[GPRS_TCB.GPRS_RCV_WR_PTR+1] = 0;
				if( (GPRS_TCB.Status & 0XFFFd) )//if SENDING COMMAND BIT
				if(strncmp(GPRS_TCB.RCVCommand,"OK\r\n",strlen("OK\r\n")) == 0)
				{
					GPRS_TCB.Status = GPRS_TCB.Status & 0XFFF8;//CLEAR COMMAND BIT
					OSSemPost(GPRS_TCB.GPRSCmdOK);//send call signal; 
				}	
				GPRS_TCB.GPRS_RCV_WR_PTR = 0;
			}
			else if(i == '>')
			{
				if(GPRS_TCB.Status & 0X0020)
				{
					GPRS_TCB.Status = GPRS_TCB.Status & 0XFFD9;//CLEAR COMMAND BIT AND MESSAGE BIT
					OSSemPost(GPRS_TCB.GPRSMsgWR);//send call signal; 
					GPRS_TCB.GPRS_RCV_WR_PTR = 0;
				}
			}
			else
			{
				GPRS_TCB.GPRS_RCV_WR_PTR ++;
				if(GPRS_TCB.GPRS_RCV_WR_PTR >= GPRS_CMDMaxSize+100)
				{
					GPRS_TCB.GPRS_RCV_WR_PTR = 0;
				}
			}
		}
		else if(GPRS_TCB.GPRS_RCV_WR_PTR == 0)
		{
			GPRS_TCB.RCVCommand[GPRS_TCB.GPRS_RCV_WR_PTR] = i;
			GPRS_TCB.GPRS_RCV_WR_PTR ++;
		}
		
	}
	else//idle , for ring
	{
		if( (i == 'r') || ( i == 'R' ) || (GPRS_TCB.GPRS_RCV_WR_PTR > 0) )
		{
			GPRS_TCB.RCVCommand[GPRS_TCB.GPRS_RCV_WR_PTR] = i;
			if(i == '\n')
			{
				GPRS_TCB.RCVCommand[GPRS_TCB.GPRS_RCV_WR_PTR+1] = 0;
				if(strncmp(GPRS_TCB.RCVCommand,"RING\r\n",strlen("RING\r\n")) == 0)
				{
					GPRS_TCB.Status = GPRS_TCB.Status | 0X0008;//SET RING BIT
					OSSemPost(GPRS_TCB.GPRSRing);//send call signal; 
				}	
				GPRS_TCB.GPRS_RCV_WR_PTR = 0;
			}
			else
			{
				GPRS_TCB.GPRS_RCV_WR_PTR ++;
				if(GPRS_TCB.GPRS_RCV_WR_PTR >= GPRS_CMDMaxSize+100)
				{
					GPRS_TCB.GPRS_RCV_WR_PTR = 0;
				}
			}
		}
	}
}
/*********************************************************************************************************
** Function name:			startchar
**
** Descriptions:			check the string from head to end
**
** input parameters:		* str :string pointer
**							endch :end char
** Returned value:			char * :return the string
**         
** Used global variables:	None
** Calling modules:			None
**
** Created by:				Yehaoben
** Created Date:			2005/06/02
**-------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
char * startchar(char * str,char endch )
{
	uint16 i=0;
	char * Ptr;
	Ptr=str;
	while(str[i])
	{
		if(str[i]==endch)
		{
			str[i]=0;
			return Ptr;
		}
		i++;
		if(i>30)
			break;
	}
	return NULL;
} 
/*********************************************************************************************************
** Function name:			StrTOUINT
**
** Descriptions:			change string to 16 bits integer
**
** input parameters:		* str :string pointer
**							DBits :string length
** Returned value:			uint16 :changed result
**         
** Used global variables:	None
** Calling modules:			None
**
** Created by:				Yehaoben
** Created Date:			2005/06/02
**-------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
uint16 StrTOUINT(char * str,uint8 DBits)
{
	uint8	i=0;
	uint16	j=0;
	if( DBits <= 5 )
	{
		do
		{
			if(str[i] != '.')
			{
				j=(str[i]-0x30)+j*10;
				DBits--;
			}
			i++;
			
		}while(DBits > 0);
	}
	return j;
}
uint8	ZLG_GPRS_SND_CMD(char * cmdptr)
{
	uint8 err;
	
	OS_ENTER_CRITICAL();
	if( (GPRS_TCB.Status & 0x0001) == 0 )
	{
		OS_EXIT_CRITICAL();//
		return 2;//buzy
	}
	GPRS_TCB.Status = GPRS_TCB.Status & 0xfffe;//clear idle bit
	GPRS_TCB.Status = GPRS_TCB.Status | 0x0004;//set have been sended and wait ok
	OS_EXIT_CRITICAL();
	do
	{
		ZLG_GPRS_Send_String(AT_COMMAND);//send at,
		OSSemPend(GPRS_TCB.GPRSCmdOK,2*OS_TICKS_PER_SEC,&err);//wait for ok;
		if(err == OS_TIMEOUT)
		{
			
			continue;//error
		}
		break;
	}while(1);
	OS_ENTER_CRITICAL();
	GPRS_TCB.Status = GPRS_TCB.Status & 0xfff9;	//clear have been sended and wait ok bit										//clera sending command bit
	GPRS_TCB.Status = GPRS_TCB.Status | 0x0004; //set have been sended and wait ok
	OS_EXIT_CRITICAL();
	do
	{
		ZLG_GPRS_Send_String(cmdptr);//send command,
		OSSemPend(GPRS_TCB.GPRSCmdOK,2*OS_TICKS_PER_SEC,&err);//wait for ok;
		if(err == OS_TIMEOUT)
		{
			
			continue;//error
		}
		break;
	}while(1);
	OS_ENTER_CRITICAL();
	GPRS_TCB.Status = GPRS_TCB.Status | 0x0001;	//set idle bit
	GPRS_TCB.Status = GPRS_TCB.Status & 0xfff9;	//clear have been sended and wait ok bit										//clera sending command bit
	OS_EXIT_CRITICAL();
	return 0;//success
}