/***********************************************************************
 * file:    extty.h
 * part#:
 * internal sequence#:
 *
 *	**************************************************************
 *	*     " c Copyright Hewlett-Packard Company, 1984.*  All     *
 *	*    rights are reserved.  Copying or other reproduction     *
 *	*    of this program except for archival purposes is         *
 *	*    prohibited without the prior written consent of         *
 *	*    Hewlett-Packard Company."				     *
 *	**************************************************************
 *
 *		Pisces Q-DOS project
 *		Fred Taft 
 *		-----------------------------------------------------
 *		initial					 12/83   fdt
 *
 *
 *********************************************************************/


 /* Define the size of the handshake array */
#define NHSC    4



/* Define the new structure to be used by calls to Ioctl */
struct ocio {
   unsigned  long  cntl_bits;          /* cntl & status bits   */
   unsigned  char  handshake [NHSC];   /* handshake characters */
};


/* Define the structure to be used for dialing digits */
struct dial_data {
   unsigned char dial_type;
   unsigned char digit;
};



/* Dialing types */
#define PULSE_DIAL    0x00
#define DTMF_DIAL     0x01


/* Default handshaking character definitions */
#define CENQ   5                          /* Ascii ENQ */
#define CACK   6                          /* Ascii ACK */
#define CXON   17                         /* Ascii XON */
#define CXOFF  19                         /* Ascii XOFF */


/* Indices into handshaking array */
#define VENQ   0
#define VACK   1
#define VXON   2
#define VXOFF  3


/* Control Setting Equates */
#define MODEM3_12   0x0001      /* Device type = 300/1200 baud modem */
#define RS232       0x0003      /* Device type = RS232 card */
#define DEV_TYPE    0x0003      /* Mask for device type field */
#define ENABLETX    0x0020      /* Enable Hardware Hndske - xmitter */
#define ENABLERX    0x0040      /* Enable Hardware Hndske - rcvr    */
#define ANSWER      0x0400      /* Place modem in answer mode */
#define ENQACKON    0x2000      /* Enable terminal ENQ/ACK Hndske */


/* Event Flags */
#define DELTACTS    0x0001      /* CTS line has changed state */
#define DELTADSR    0x0002      /* DSR line has changed state */
#define DELTARI     0x0004      /* RI  line has changed state */
#define DELTADCD    0x0008      /* DCD line has changed state */
#define BREAK_RECVD 0x0010      /* Break was received         */
#define INPUT_OVERRUN  0x0020   /* The input buffer has overrun */



/* Ioctl calls */
#define sIOC         ('s'<<8)
#define GETCTLBITS   (sIOC|1)
#define SETCTLBITS   (sIOC|2)
#define GETEVENTS    (sIOC|3)
#define DIALDIGIT    (sIOC|4)
#define START_DIAL   (sIOC|6)
#define END_DIAL     (sIOC|7)
#define PICKUP_PHONE (sIOC|8)
#define HANGUP       (sIOC|9)
#define AUTO_ANSWER  (sIOC|0xA)