fget.h

编译命令 cc -o fget fget.c -lcurses 此程序适用于SCO UNIX主机系统

#define TRUE    1
#define FALSE   0
#define _COM_CHR8     0X03
#define _COM_STOP1    0X00
#define _COM_NOPARITY 0X00
#define _COM_2400     0Xa0
#define COM_PARAMS (_COM_CHR8|_COM_STOP1|_COM_NOPARITY|_COM_2400)
#define RXQSIZE 200
#define TXQSIZE 200
#define P8259_0 0x20  /*int comtrol resister */
#define P8259_1 0x21  /*int mask resister */
#define END_OF_INT 0X20 /* NON_specific EOI */

#define MCROFF  0  /* MODEM CONTROL REGISTER*/
#define IEROFF  0
#define THREOFF 0Xfd

/* address of bios data area at 400h */
#define BIOS_DATA ((int far *) (0x400000L))
/* interrupt identification number */
#define TXREGEMPTY 2
#define RXDATAREADY 4

/* The address of the comm port is in the short inter 'comport'.*/
#define IER (comport +1)
#define IIR (comport +2)
#define LCR (comport +3)
#define MCR (comport +4)
#define LSR (comport +5)
#define MSR (comport +6)

/* codes to enable individual interrupts */
#define RDAINT  1
#define THREINT 2
#define RLSINT  4
#define MSINT   8
#define bit0(i) (i&0x0001)
#define turnon_int(i,j) if(((j=inp(IER))&i)==0) outp(IER,(j|i))
typedef struct QTYPE {
     int count;
     int front;
     int rear;
     int maxsize;
     char *data;
     }  QTYPE;

static char rxbuf[RXQSIZE], txbuf[TXQSIZE];
static QTYPE rcvq={0,-1,-1,RXQSIZE,rxbuf},
	     trmq={0,-1,-1,TXQSIZE,txbuf};

static QTYPE *txq=&trmq, *rxq=&rcvq;  /*缓冲区 */

static short int_number=12,
       comport=0,
       int_enable_mask=0xef,
       int_disable_mask=0x10;

#ifndef _MODEM_H
#define _MODEM_H

#define DATA_OFF	0	/* offset of data register */
#define LOW_BAUD	0	/* Offset of baud rate divisor - low byte */
#define HI_BAUD		1	/* Offset of baud rate divisor - high byte */
#define INT_ENABLE_OFF	1	/* Offset of Interrupt enable register */
#define INT_ID_OFF	2	/* Offset of Interrupt Identification */
#define LINE_CTRL_OFF	3	/* Line Control Register */
#define STATUS_OFF	5	/* offset of line status register */
#define MODEM_CTRL_OFF	4	/* offset of modem contrl register */
#define MODEM_STAT_OFF	6	/* offset of modem status register */

#define RCV_MASK	0x01
#define XMIT_MASK	0x20


/* Ticks per second */
#define TICKSPERSEC	18.2

/* Numeric Result Codes from modem */
#define M_OK		0
#define M_CONN3		1
#define M_RING		2
#define M_NOCARRIER	3
#define M_ERROR		4
#define M_CONN12	5
#define M_NOTONE	6
#define M_BUSY		7
#define M_NOANSWER	8
#define M_RESERVED	9
#define M_CONN24	10

/* User-defined constants */
#define M_NORING	11
#define M_BADMSG	12
#define M_ONLINE	13
#define M_USRCAN	14
#define TIMEOUT		-1
#define OPENFAIL	-1
#define CREATFAIL	-2
#define DISCONN		0
#define SUCCEED		1
#define ON		1
#define OFF		0

#define SOH		(char)0x01		/* Start Of Heading */
#define EOT		(char)0x04		/* End Of Transmission */
#define ACK		(char)0x06		/* Acknowledge */
#define NAK		(char)0x15		/* Negative Acknowledge */
#define SUB             (char)0x1a
#define CRC             'C'

#define MAXREPLY	64


/* Masks used to set S-registers */
#define MASK_S0		0x00000001L
#define MASK_S1		(MASK_S0 << 1)
#define MASK_S2		(MASK_S0 << 2)
#define MASK_S3		(MASK_S0 << 3)
#define MASK_S4		(MASK_S0 << 4)
#define MASK_S5		(MASK_S0 << 5)
#define MASK_S6		(MASK_S0 << 6)
#define MASK_S7		(MASK_S0 << 7)
#define MASK_S8		(MASK_S0 << 8)
#define MASK_S9		(MASK_S0 << 9)
#define MASK_S10	(MASK_S0 << 10)
#define MASK_S11	(MASK_S0 << 11)
#define MASK_S12	(MASK_S0 << 12)
#define MASK_S13	(MASK_S0 << 13)
#define MASK_S14	(MASK_S0 << 14)
#define MASK_S15	(MASK_S0 << 15)
#define MASK_S16	(MASK_S0 << 16)
#define MASK_S17	(MASK_S0 << 17)
#define MASK_S18	(MASK_S0 << 18)
#define MASK_S19	(MASK_S0 << 19)
#define MASK_S20	(MASK_S0 << 20)
#define MASK_S21	(MASK_S0 << 21)
#define MASK_S22	(MASK_S0 << 22)
#define MASK_S23	(MASK_S0 << 23)
#define MASK_S24	(MASK_S0 << 24)
#define MASK_S25	(MASK_S0 << 25)
#define MASK_S26	(MASK_S0 << 26)
#define MASK_S27	(MASK_S0 << 27)

#define M_STAT(port)	readbyte(port + MODEM_STAT_OFF)

#define DATALEN		128
typedef unsigned char	BYTE;
typedef struct _packetRec {
	BYTE	soh;			/* Start Of Heading */
	BYTE	seq;			/* Sequence# */
	BYTE	nseq;			/* Negative-sequence# = ~seq */
	BYTE	buffer[DATALEN];	/* buffer */
	BYTE	bc[2];			/* block checksum(CRC-16) */
} PacketRec;

#define PACKETSIZE	sizeof(PacketRec)
#define MAXRETRY	5
#define CRC16		0x8005
#define CRC_CCITT	0x1021

/* modem function prototypes */
extern int	dial();
extern int	hangup();
extern int	escseq();
extern int	m_wait4reply();
extern void	m_cmd();

extern int	sendfile();
extern int	rcvfile();

extern void	delaytime();

#endif		/* _MODEM_H */