Fixed header file problem.
Enhanced(?) timing.h with DELAY_AUTOSELECT. Cheered up some comments, moved #ifndef FOO_H #define FOO_H to just after the copyright and explanation comment.
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@@ -1,5 +1,20 @@
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// This file contains defines to control the LPT port.
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// A lot of this was originally in hd44780-low.h
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/*
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* This file contains defines to control the LPT port.
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* A lot of this was originally in hd44780-low.h
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*
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* Moved from the HD44780 driver by Joris Robijn.
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*
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* This file is released under the GNU General Public License. Refer to the
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* COPYING file distributed with this package.
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*
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* Copyright (c) 2000, 1999, 1995 Benjamin Tse <blt@Comports.com>
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* 2001 Joris Robijn <joris@robijn.net>
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* 2001 Mark Haemmerling <mail@markh.de>
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* 2000 Charles Steinkuehler <cstein@newtek.com>
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* 1999 Andrew McMeikan <andrewm@engineer.com>
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* 1998 Richard Rognlie <rrognlie@gamerz.net>
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* 1997 Matthias Prinke <m.prinke@trashcan.mcnet.de>
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*/
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#ifndef LPT_PORT_H
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#define LPT_PORT_H
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@@ -1,6 +1,3 @@
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#ifndef PORT_H
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#define PORT_H
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/* $id$
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* Low level I/O functions taken from led-stat.txt
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* Jan 22 95 copyright damianf@wpi.edu
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@@ -13,12 +10,6 @@
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* NetBSD port by Guillaume Filion, copyright 12/2001
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stdio.h>
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/*
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This file defines 4 static inline functions for port I/O:
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@@ -39,6 +30,15 @@ static inline int port_access_full (unsigned short int port);
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// Returns 0 if successful, -1 if failed
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*/
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#ifndef PORT_H
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#define PORT_H
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stdio.h>
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// -------------------------------------------------------------
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// Use ioperm, inb and outb in <sys/io.h> (Linux)
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#if defined HAVE_IOPERM && HAVE_SYS_IO_H
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@@ -17,7 +17,7 @@
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <asm/io.h>
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//#include <asm/io.h>
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#include <sys/perm.h>
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#include "shared/str.h"
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+39
-11
@@ -1,6 +1,3 @@
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#ifndef _TIMING_H
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#define _TIMING_H
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/*
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* Utility header file for timing functions
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*
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@@ -19,16 +16,40 @@
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* 2000 Charles Steinkuehler <cstein@newtek.com>
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*/
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// Uncomment one of the lines below to select your desired delay generation
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// mechanism. If both defines are commented, the original I/O read timing
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// loop is used. Using DELAY_NANOSLEEP seems to provide the best performance.
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#ifndef _TIMING_H
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#define _TIMING_H
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// Uncomment one of the lines below this paragraph to select your desired
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// delay generation mechanism.
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// Mechanism DELAY_NANOSLEEP seems to provide the best performance.
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// Mechanism DELAY_IOCALLS can be quite inaccurate.
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// Mechanism DELAY_AUTOSELECT lets the system determine a mechanism, and is
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// the default.
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#define DELAY_AUTOSELECT
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//#define DELAY_GETTIMEOFDAY
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#ifdef HAVE_SCHED_H
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# define DELAY_NANOSLEEP
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#else
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# define DELAY_GETTIMEOFDAY
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//#define DELAY_NANOSLEEP
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//#define DELAY_IOCALLS
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#include <string.h>
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#include <errno.h>
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#include <unistd.h>
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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// Autoselect... Does this always work well ?
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#ifdef DELAY_AUTOSELECT
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# ifdef HAVE_SCHED_H
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# define DELAY_NANOSLEEP
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# else
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# define DELAY_GETTIMEOFDAY
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# endif
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#endif
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// Include the correct time.h stuff (regardless of selected mechanism)
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#if TIME_WITH_SYS_TIME
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# include <sys/time.h>
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# include <time.h>
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@@ -41,11 +62,18 @@
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#endif
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// Only one alternate delay method at a time, please ;-)
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// And include extra header files here...
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#if defined DELAY_GETTIMEOFDAY
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# undef DELAY_NANOSLEEP
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# undef DELAY_IOCALLS
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#elif defined DELAY_NANOSLEEP
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# undef DELAY_GETTIMEOFDAY
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# undef DELAY_IOCALLS
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# include <sched.h>
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# include <time.h>
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#else // assume DELAY_IOCALLS
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# undef DELAY_GETTIMEOFDAY
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# undef DELAY_NANOSLEEP
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# include "port.h"
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#endif
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/////////////////////////////////////////////////////////////////
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