dbgread.c

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/*
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version
 *  2 of the License, or (at your option) any later version.
 *
 *  Copyright 2008 Spiro Trikaliotis
 *
 */

#include <wdm.h>
#include "cbm_driver.h"
#include "i_iec.h"


#define PARALLEL_STATUS_PORT_MASK_VALUES 0xF8

NTSTATUS
cbmiec_iec_dbg_read(IN PDEVICE_EXTENSION Pdx, OUT UCHAR *Return)
{
    UCHAR valueRead;

    FUNC_ENTER();

    valueRead = READ_PORT_UCHAR(IN_PORT);

    *Return = valueRead & PARALLEL_STATUS_PORT_MASK_VALUES;

    DBG_PRINT((DBG_PREFIX "Read from Status Port: %02x, converted to %02x", valueRead, *Return));

    FUNC_LEAVE_NTSTATUS_CONST(STATUS_SUCCESS);
}