sysserial.c

z85c30 DRIVER RUN ON PC104 PC AND VXWORKS SYSTERM.

/***************************************************************************************************/
#include "vxWorks.h"
#include "iv.h"
#include "tyLib.h"
#include "intLib.h"
#include "rngLib.h"
#include "sysserial.h"
#include "pc.h"

unsigned char	 old_intmas1_reg=0;
unsigned char    old_intmas2_reg=0;

unsigned char  COM_INT_LVL[ComMaxNO]={COM1_INT_LVL,
							COM2_INT_LVL,
							COM3_INT_LVL,
							COM4_INT_LVL,
							COM5_INT_LVL,
							COM6_INT_LVL,
							};
/*unsigned int   PortAddr[ComMaxNO]={0x3e8,0x2e8,0x3a8,0x2a8,0x2f8,0x3f8};*/
unsigned int   PortAddr[ComMaxNO]={COM1_BASE_ADR,
							COM2_BASE_ADR,
							COM3_BASE_ADR,
							COM4_BASE_ADR,
							COM5_BASE_ADR,
							COM6_BASE_ADR,
							};
/*unsigned int   PortAddr[ComMaxNO]={0x3f8,0x2f8,0x300,0x308,0x310,0x318};*/


RING_ID          comR_ring_id[ComMaxNO];
RING_ID          comS_ring_id[ComMaxNO];
int              portsending[ComMaxNO];

int              com_intNum[ComMaxNO]={0,0,0,0,0,0};


/***************************
*
*
****************************/
void Comautotest()
{


}

/*int  ComPollInit(int iPortNo,unsigned long lBautrate);
int  ComPollSendstr(int iPortNo,unsigned char *str,unsigned int strlen);
unsigned int ComPollRecvData(int iPortNo,char *str);
int  ComIntInit(int iPortNo,unsigned long lBautrate);
*/
int  ComPollInit(int iPortNo,unsigned long lBautrate)
{
	int iDiviValue=115200L/lBautrate;
	unsigned char chLbr;
	unsigned char chMbr;
	unsigned char f;
	if(iPortNo>=ComMaxNO)return 0;
	sysOutByte((PortAddr[iPortNo]+com_lineclt),0x03);
	sysOutByte((PortAddr[iPortNo]+com_lineclt),(0x80|sysInByte(PortAddr[iPortNo] + com_lineclt)));
	chLbr=iDiviValue&0xff;
	chMbr=(iDiviValue>>8)&0xff;
	sysOutByte(PortAddr[iPortNo],chLbr);
	sysOutByte(PortAddr[iPortNo]+1,chMbr);
	
	sysOutByte(PortAddr[iPortNo]+com_lineclt,(0x7f&sysInByte(PortAddr[iPortNo] + com_lineclt)));

	sysOutByte(PortAddr[iPortNo]+ com_intenable,0x0);
	
	sysOutByte(PortAddr[iPortNo]+ com_modemclt,0x03);

	portsending[iPortNo]=0;
	

	comR_ring_id[iPortNo]=rngCreate(ComMaxData);
	if(comR_ring_id[iPortNo]==NULL){printf("Error: can not create ring\n");return 0;}
	comS_ring_id[iPortNo]=rngCreate(ComMaxData);
	if(comR_ring_id[iPortNo]==NULL){printf("Error: can not create ring\n");return 0;}
	
	return 1;
}
int  ComPollSendstr(int iPortNo,unsigned char *str,unsigned int strlen)
{
	unsigned char f;
	unsigned ifor1=0;

	if(iPortNo>=ComMaxNO)return 0;

	for(ifor1=0;ifor1<strlen;ifor1++)
	{
		f=sysInByte(PortAddr[iPortNo] + com_lineflag);
		while((f&0x20)==0)f=sysInByte(PortAddr[iPortNo] + com_lineflag);
		sysOutByte(PortAddr[iPortNo]+com_dataport,str[ifor1]);
	}
		return 1;	
}
unsigned int ComPollRecvData(int iPortNo,char *str)
{
	unsigned int strlen=0;

	if(iPortNo>=ComMaxNO)return 0;

	/*if((sysInByte(PortAddr[iPortNo] + com_lineflag)&0x01)!=0x01)return FALSE;*/
	while((sysInByte(PortAddr[iPortNo] + com_lineflag)&0x01)==0x01)
		str[strlen++]=sysInByte(PortAddr[iPortNo]);
	/*if(strlen>0){semGive(comdataSemId);
	printf("Com%dR> len=%d!!!!\n",iPortNo+1,strlen);
	}*/
	return strlen;
}

int  ComIntInit(int iPortNo,unsigned long lBautrate)
{
	int iDiviValue=115200L/lBautrate;
	unsigned char chLbr;
	unsigned char chMbr;
	unsigned char f;

	if(iPortNo>=ComMaxNO)return 0;

	sysOutByte(PortAddr[iPortNo]+com_lineclt,0x03);
	sysOutByte(PortAddr[iPortNo]+com_lineclt,(0x80|sysInByte(PortAddr[iPortNo] + com_lineclt)));
	chLbr=iDiviValue&0xff;
	chMbr=(iDiviValue>>8)&0xff;
	sysOutByte(PortAddr[iPortNo],chLbr);
	sysOutByte(PortAddr[iPortNo]+1,chMbr);
	
	sysOutByte(PortAddr[iPortNo]+com_lineclt,(0x7f&sysInByte(PortAddr[iPortNo] + com_lineclt)));

	ComIntEnable(iPortNo);
	/*sysOutByte(PortAddr[iPortNo]+ com_intenable,0x0);
	
	sysOutByte(PortAddr[iPortNo]+ com_modemclt,0x03);*/
	
	portsending[iPortNo]=0;
	comR_ring_id[iPortNo]=rngCreate(ComMaxData);
	if(comR_ring_id[iPortNo]==NULL){printf("Error: can not create ring\n");return 0;}
	comS_ring_id[iPortNo]=rngCreate(ComMaxData);
	if(comS_ring_id[iPortNo]==NULL){printf("Error: can not create ring\n");return 0;}

	return 1;
}
void ComIntHandle_com(int iPortNo)
{
	int intflag=0;
	int lockKey;
	char str[2];
	int receive_flag=0;
	receive_flag=0;

	if(iPortNo>=ComMaxNO)return 0;

	lockKey = intLock ();
	intflag=sysInByte(PortAddr[iPortNo]+com_intflag);
	while((intflag&0x06)!=0)
	{
	    switch (intflag)
	    {
		case 2:
			com_intNum[iPortNo]++;
			if(rngIsEmpty(comS_ring_id[iPortNo])==FALSE)
			{
				rngBufGet(comS_ring_id[iPortNo],str,1);
				sysOutByte(PortAddr[iPortNo]+com_dataport,str[0]);
				portsending[iPortNo]=1;
			}
			else
			{
				portsending[iPortNo]=0;
			}
		break;
		case 4:                                
			str[0]=sysInByte(PortAddr[iPortNo]+com_dataport);
			if(rngFreeBytes(comR_ring_id[iPortNo])>0)
			{
				if(rngBufPut(comR_ring_id[iPortNo],str,1)<1)
				{logMsg("Put flow!\n");}
				receive_flag=1;
			}
		break;
		define: break;
	    }
	    intflag=sysInByte(PortAddr[iPortNo]+com_intflag);
	}
	/*sysOutByte(intcommand1,0x20);*/
	intUnlock (lockKey);
}

int ComIntEnable(int iPortNo)
{
	int lockKey;

	if(iPortNo>=ComMaxNO)return 0;

	lockKey = intLock ();

	/*sysOutByte(PortAddr[iPortNo]+com_lineclt,0x03);*/
	/*sysIntDisablePIC (COM1_INT_LVL);*/
	if(intConnect(INUM_TO_IVEC(0x20+COM_INT_LVL[iPortNo]),ComIntHandle_com,iPortNo)==ERROR)
	{printf("Error: connect int\n");}
	/*else
	sysIntEnablePIC (COM1_INT_LVL);*/
	sysOutByte(PortAddr[iPortNo]+com_modemclt,0x0b);
	sysOutByte(PortAddr[iPortNo]+com_intenable,0x03);

	/*old_intmas1_reg=sysInByte(intmask1);
	old_intmas2_reg=sysInByte(intmask2);
	sysOutByte(intmask1,0x0);
	sysOutByte(intmask2,0x0);*/

	intUnlock (lockKey);
	return 1;
}
void ComIntsendtouch(iPortNo)
{
	unsigned char f;
	char str[2];
	unsigned ifor1=0;
	unsigned int strlen=10;

	if(iPortNo>=ComMaxNO)return 0;

	if(rngIsEmpty(comS_ring_id[iPortNo])==FALSE)
	if(portsending[iPortNo]==0)
	{
		/*printf("touch ");*/
		rngBufGet(comS_ring_id[iPortNo],str,1);
		f=sysInByte(PortAddr[iPortNo] + com_lineflag);
		while((f&0x20)==0)f=sysInByte(PortAddr[iPortNo] + com_lineflag);
		sysOutByte(PortAddr[iPortNo]+com_dataport,str[0]);
	}
}
int comwrite(int iPortNo,char *str,int len)
{
	if(iPortNo>=ComMaxNO)return 0;
	if(rngFreeBytes(comS_ring_id[iPortNo])>=len)
	{
		/*printf("send!\n");*/
		/*printf("COM%dS> len=%d\n",iPortNo+1,len);*/
		/*if(iPortNo>1)
		{
			ComPollSendstr(iPortNo,str,len);
		}
		else*/
		{
			rngBufPut(comS_ring_id[iPortNo],str,len);
			ComIntsendtouch(iPortNo);
		}
		return len;
	}
	return 0;
}
int comread(int iPortNo,char *str,int Maxlen)
{
	if(iPortNo>=ComMaxNO)return 0;
	if(rngIsEmpty(comR_ring_id[iPortNo])==FALSE)
	{
		return rngBufGet(comR_ring_id[iPortNo],str,Maxlen);
	}
	return 0;
}

int comtakeRTS(int iPortNo)
{
	if(iPortNo>=ComMaxNO)return 0;
	
	sysOutByte(PortAddr[iPortNo]+com_modemclt,0x0a);

	return 1;
}
int comclearRTS(int iPortNo)
{
	if(iPortNo>=ComMaxNO)return 0;
	
	sysOutByte(PortAddr[iPortNo]+com_modemclt,0x08);
	return 1;
}

int comgetCTS(int iPortNo)
{

	char mask=0;
	if(iPortNo>=ComMaxNO)return 0;
		
	mask=sysInByte(PortAddr[iPortNo]+com_modemflag);
			/*if get CTS*/
	if(mask&0x10)return 1;
	else return 0;
}

int comsetcheck(int iPortNo)
{
	if(iPortNo>=ComMaxNO)return 0;

	sysOutByte(PortAddr[iPortNo]+com_lineclt,(0x7f&sysInByte(PortAddr[iPortNo] + com_lineclt)));
	
	sysOutByte(PortAddr[iPortNo]+com_lineclt,0x1b);

	return 1;
}

void comShow(void)
{
	int iPortNo=0;
	printf("intNum:\n");
	for(iPortNo=0;iPortNo<ComMaxNO;iPortNo++)
		printf("%d ",com_intNum[iPortNo]);
	printf("\n");
}
/************************************************************************************/