mirror of https://github.com/lianthony/NT4.0
71 lines
1.8 KiB
71 lines
1.8 KiB
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/******************************************************************************
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Copyright (c) Maynard, an Archive Company. 1991
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GSH
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Name: polldrv.h
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Description: This file contains the definitions, macros, and function
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prototypes for the poll drive manager (PD).
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$Log: G:/UI/LOGFILES/POLLDRV.H_V $
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Rev 1.6 23 Sep 1993 15:49:52 GLENN
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Changed return type on stop polling.
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Rev 1.5 21 Jul 1993 17:02:50 GLENN
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Added PD_WaitUntilSettled () function to wait until poll drive is in a settled state.
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Rev 1.4 16 Jun 1993 16:37:58 GLENN
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Added PD_IsPollDriveBusy().
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Rev 1.3 05 Nov 1992 15:32:36 GLENN
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Changed the default timer delay to 1 second.
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Rev 1.2 04 Oct 1992 19:48:42 DAVEV
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UNICODE AWK PASS
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Rev 1.1 31 Jan 1992 12:53:54 GLENN
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Added polldrive and eject retry stuff.
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Rev 1.0 20 Nov 1991 19:37:54 SYSTEM
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Initial revision.
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******************************************************************************/
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#ifndef _POLLDRIVE_H
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#define _POLLDRIVE_H
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#define PD_TIMERDELAY 1 // 1 second
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#define PD_MAX_EJECT_ATTEMPTS 5
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#define PD_MAX_RESTART_ATTEMPTS 2
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#define PD_SETTLE_NOCALLBACK 0
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#define PD_SETTLE_NOWAIT 0
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#define PD_SETTLE_OK 0
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#define PD_SETTLE_TIMEOUT 1
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#define PD_SETTLE_ERROR 2
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#define PD_SETTLE_NOTINITIALIZED 3
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#define PD_SETTLE_ALREADYWAITING 4
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#define PD_SETTLE_UNKNOWN 5
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// FUNCTION PROTOTYPES
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BOOL PD_Init ( VOID );
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BOOL PD_Deinit ( VOID );
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BOOL PD_StartPolling ( VOID );
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VOID PD_PollDrive ( VOID );
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BOOL PD_StopPolling ( VOID );
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BOOL PD_AttemptRestart ( VOID );
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VOID PD_EjectTape ( VOID );
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INT PD_SetFrequency ( INT );
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BOOL PD_AttemptRestart ( VOID );
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BOOL PD_IsPollDriveBusy ( VOID );
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INT PD_WaitUntilSettled ( PF_VOID, INT );
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#endif
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