76 lines
1.7 KiB
C
76 lines
1.7 KiB
C
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/*++
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Copyright (C) Microsoft Corporation, 1993 - 1999
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Module Name:
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hwecp.h
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Abstract:
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This module contains utility code used by other 1284
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hwecp modules (currently becp and hwecp).
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Author:
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Robbie Harris (Hewlett-Packard) 27-May-1998
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Environment:
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Kernel mode
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Revision History :
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--*/
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#ifndef _HWECP_
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#define _HWECP_
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#include "ecp.h"
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#include "queue.h"
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// DVRH_USE_HW_MAXTIME 0 - off
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// 1 - on
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// - Note: The value will control if we limit the overall time
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// we can send/recieve data from the HWECP read/write methods
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#define DVRH_USE_HW_MAXTIME 0
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//--------------------------------------------------------------------------
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// Printer status constants. Seem to only be used by hwecp
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//--------------------------------------------------------------------------
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#define CHKPRNOK 0xDF // DSR value indicating printer ok.
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#define CHKPRNOFF1 0x87 // DSR value indicating printer off.
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#define CHKPRNOFF2 0x4F // DSR value indicating printer off.
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#define CHKNOCABLE 0x7F // DSR value indicating no cable.
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#define CHKPRNOFLIN 0xCF // DSR value indicating printer offline.
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#define CHKNOPAPER 0xEF // DSR value indicating out of paper.
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#define CHKPAPERJAM 0xC7 // DSR value indicating paper jam.
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VOID
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ParCleanupHwEcpPort(
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IN PDEVICE_EXTENSION Extension
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);
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NTSTATUS
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ParEcpHwEmptyFIFO(
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IN PDEVICE_EXTENSION Extension
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);
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NTSTATUS
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ParEcpHwHostRecoveryPhase(
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IN PDEVICE_EXTENSION Extension
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);
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NTSTATUS
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ParEcpHwRecoverPort(
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IN PDEVICE_EXTENSION Extension,
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UCHAR bRecoverCode
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);
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NTSTATUS
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ParEcpHwWaitForEmptyFIFO(
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IN PDEVICE_EXTENSION Extension
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);
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#endif
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