io_defs.h

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/*****************************************************************************\
  io_defs.h : I/O definitions

  Copyright (c) 1996 - 2001, Hewlett-Packard Co.
  All rights reserved.

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  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
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\*****************************************************************************/

#ifndef APDK_IO_DEFS_H
#define APDK_IO_DEFS_H

#define NFAULT_BIT  0x08
#define SELECT_BIT  0x10
#define PERROR_BIT  0x20
#define NACK_BIT    0x40
#define BUSY_BIT    0x80

#define STATUS_MASK (NFAULT_BIT | PERROR_BIT)
#define BUSY_MASK   (BUSY_BIT | NACK_BIT | NFAULT_BIT)

#define DEVICE_IS_BUSY(reg) (reg == BUSY_MASK)
#define DEVICE_IS_OOP(reg)  ((reg & STATUS_MASK) == OOP)
#define DEVICE_JAMMED_OR_TRAPPED(reg) ( ((reg & STATUS_MASK) == JAMMED) || ((reg & STATUS_MASK) == ERROR_TRAP) )
#define DEVICE_PAPER_JAMMED(reg)  ((reg & STATUS_MASK) == JAMMED)
#define DEVICE_IO_TRAP(reg)       ((reg & STATUS_MASK) == ERROR_TRAP)

#define OOP             (NFAULT_BIT | PERROR_BIT)
#define JAMMED          (PERROR_BIT)
#define ERROR_TRAP      (0)
#define OFFLINE         (NFAULT_BIT)

#define MAX_BUSY_TIME    30000     // in msec, ie 30 sec
#define C32_STATUS_WAIT  2000      // in msec, ie 2 sec

#define MAX_SLOW_POLL_TIMES     3
#define MIN_XFER_FOR_SLOW_POLL  2

#endif //APDK_IO_DEFS_H