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Dynamically load the InpOut32.dll for parallel port access. Tested in MinGW

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environment (Cygwin GCC with -mno-cygwin flag), and documented how to compile
it. Could build a distributable EXE now.


git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@1415 b68d4a1b-bc3d-0410-92ed-d4ac073336b7
master
Kolja Waschk 16 years ago
parent d908ce8eef
commit 55146b9d80
4 changed files with 94 additions and 49 deletions
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5
jtag/ChangeLog
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@ -1,5 +1,10 @@
2008-12-23 Kolja Waschk <kawk>
* src/tap/parport/direct.c, configure.ac, doc/UrJTAG.txt:
Dynamically load the InpOut32.dll for parallel port access. Tested
in MinGW environment (Cygwin GCC with -mno-cygwin flag), and
documented how to compile it. Could build a distributable EXE now.
* src/cmd/usleep.c, sysdep.h: usleep() is declared in
unistd.h, also present in modern MinGW environments.
Defining it in sysdep.h collides with unistd.h.

44
jtag/configure.ac
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@ -246,40 +246,22 @@ AC_SUBST(FTD2XXLIB)
dnl Use InpOut I/O library?
dnl http://www.highrez.co.uk/Downloads/InpOut32/default.htm
AC_ARG_WITH([inpout],
[AS_HELP_STRING([--with-inpout],
[use InpOutXX for parallel port access on Windows])],
[], [with_inpout=check])
INPOUTXX=
AS_IF([test "x$with_inpout" = xyes -o "x$with_inpout" = xcheck], [
AC_CHECK_LIB([inpout32], [Out32], [
HAVEINPOUTXX=yes
LIBS="-linpout32 $LIBS"
],[
AC_MSG_WARN([*** InpOutXX libray not found])
])
],[
AS_IF([test "x$with_inpout" != xno], [
HAVEINPOUTXX=yes
AS_IF([test -d "$with_inpout/Win32"], [
INPOUTXX="$with_inpout/Win32/inpout32.lib"
CFLAGS="$CFLAGS -I$with_inpout/Win32"
],[
INPOUTXX="$with_inpout/inpout32.lib"
CFLAGS="$CFLAGS -I$with_inpout"
])
],)
])
AS_IF([test "x$HAVEINPOUTXX" = xyes], [
AC_ARG_WITH([inpout32],
[AS_HELP_STRING([--with-inpout32],
[use InpOut32.dll for parallel port access on Windows])],
[], [with_inpout32=no])
case $host in
*cygwin*|*mingw*) ;;
*) with_inpout32=no ;;
esac
AS_IF([test "x$with_inpout32" = xyes], [
AM_CONDITIONAL(HAVE_INPOUTXX, true)
AC_DEFINE(HAVE_INPOUTXX, 1, [define if you have libinpout])
AC_DEFINE(HAVE_INPOUTXX, 1, [define if you have inpout32.dll])
],[
AM_CONDITIONAL(HAVE_INPOUTXX, false)
])
AC_SUBST(INPOUTXX)
CFLAGS="$CFLAGS -Wall"
@ -560,7 +542,7 @@ AS_IF([test "x$HAVE_LINUX_PPDEV_H" != "xyes"], [
AS_IF([test "x$HAVE_DEV_PPBUS_PPI_H" != "xyes"], [
lowleveldrivers=`echo ${lowleveldrivers} | $SED -e "s/ppi//"`
])
AS_IF([test "x$HAVE_IOPERM" != "xyes" -a "x$HAVE_I386_SET_IOPERM" != "xyes"], [
AS_IF([test "x$HAVE_IOPERM" != "xyes" -a "x$HAVE_I386_SET_IOPERM" != "xyes" -a "x$HAVE_INPOUTXX" != "xyes" ], [
lowleveldrivers=`echo ${lowleveldrivers} | $SED -e "s/direct//"`
])
#

32
jtag/doc/UrJTAG.txt
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@ -294,10 +294,10 @@ To run autogen.sh, you need autoconf and automake, bison, and a recent flex.
The distributed source tarball contains source pregenerated with a current
flex version; flex therefore is only needed if you want to compile code
checked out from our Subversion repository. Flex 2.5.4a as it comes with
Cygwin cannot build the scanners for BSDL and SVF. Building these files
requires Flex 2.5.33 or newer. The configure script will compare the available
Flex version against these preconditions and enables or disables the related
features.
most but the very latest Cygwin release cannot build the scanners for BSDL and
SVF. Building these files requires Flex 2.5.33 or newer. The configure script
will compare the available Flex version against these preconditions and enables
or disables the related features.
Furthermore, libtool should be available, and "devel" versions of the following
packages:
@ -390,17 +390,35 @@ might give problems if the path contains spaces, as "Program Files" does!):
==== Compiling with MinGW ====
UrJTAG may be compiled into a Windows executable using the MinGW compiler
(http://www.mingw.org). This has the advantage over running in a Cygwin
environment that you don't need to install anything else but the jtag.exe.
(http://www.mingw.org), or Cygwin GCC with the "-mno-cygwin" compiler flag.
This has the advantage over running in a Cygwin environment that you don't need
to install anything else but the jtag.exe (plus libraries like FTD2XX.dll or
InpOut32.DLL that are required for device access under Windows in any case).
However, because support for MinGW is quite new in UrJTAG, it may lack some
features (e.g. readline support) or run a little slower.
Because it seems to be easier to set up a Cygwin environment, we recommend
using the Cygwin GCC with "-mno-cygwin" flag instead of using a MinGW setup:
CFLAGS="-mno-cygwin -O2" ./configure --with-ftd2xx=/tmp/cdm-drivers --with-inpout32
It is even possible to cross-compile and build the executable on a Linux
host:
./configure --host=i586-mingw32msvc --with-ftd2xx=/tmp/cdm-drivers
./configure --host=i586-mingw32msvc --with-ftd2xx=/tmp/cdm-drivers --with-inpout32
make
The "--with-inpout32" switch tells UrJTAG to use the InpOut32.DLL for access to
parallel ports, because the Cygwin ioperm isn't available for MinGW. The InpOut32
library is available from logix4u.net:
http://logix4u.net/Legacy_Ports/Parallel_Port/Inpout32.dll_for_Windows_98/2000/NT/XP.html
==== Driver tailoring ====
The configure script enables all default bus, cable and lowlevel drivers. You

62
jtag/src/tap/parport/direct.c
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@ -26,30 +26,37 @@
#include "sysdep.h"
#ifdef ENABLE_LOWLEVEL_DIRECT
#include <stdlib.h>
#include <string.h>
#include "parport.h"
#include "cable.h"
#if defined(WIN32) && defined(HAVE_INPOUTXX)
void _stdcall Out32(short PortAddress, short data);
short _stdcall Inp32(short PortAddress);
#if defined(HAVE_INPOUTXX)
HINSTANCE inpout32_dll_handle = NULL;
typedef short _stdcall (*inpfuncPtr)(short p);
typedef void _stdcall (*outfuncPtr)(short p, short d);
#define inb(p) Inp32(p)
#define outb(d,p) Out32(p,d)
inpfuncPtr Inp32;
outfuncPtr Out32;
#elif defined(HAVE_IOPERM) || defined(HAVE_I386_SET_IOPERM)
#define inb(p) (Inp32)(p)
#define outb(d,p) (Out32)(p,d)
#elif defined(HAVE_IOPERM)
#if defined(HAVE_IOPERM)
#include <sys/io.h>
#elif defined(HAVE_I386_SET_IOPERM)
#include <sys/types.h>
#include <machine/sysarch.h>
#include <err.h>
#endif
#ifdef HAVE_I386_SET_IOPERM
static __inline int
ioperm( unsigned long from, unsigned long num, int permit )
{
@ -122,7 +129,27 @@ direct_parport_alloc( unsigned int port )
parport_t *parport = malloc( sizeof *parport );
port_node_t *node = malloc( sizeof *node );
if (!node || !parport || !params) {
#if defined(HAVE_INPOUTXX)
if (inpout32_dll_handle == NULL)
{
inpout32_dll_handle = LoadLibrary("inpout32.dll");
}
if (inpout32_dll_handle == NULL)
{
fprintf(stderr, _("Couldn't load InpOut32.dll; maybe not installed?\n"));
}
else
{
Inp32 = (inpfuncPtr) GetProcAddress(inpout32_dll_handle, "Inp32");
Out32 = (outfuncPtr) GetProcAddress(inpout32_dll_handle, "Out32");
}
if (!node || !parport || !params || !inpout32_dll_handle)
#else
if (!node || !parport || !params)
#endif
{
free( node );
free( parport );
free( params );
@ -160,6 +187,11 @@ direct_parport_free( parport_t *port )
free( port->params );
free( port );
#if defined(HAVE_INPOUTXX)
if (inpout32_dll_handle != NULL)
FreeLibrary(inpout32_dll_handle);
#endif
}
parport_t *
@ -210,15 +242,23 @@ direct_connect( const char **par, int parnum )
static int
direct_open( parport_t *parport )
{
#ifdef HAVE_INPOUTXX
return 0;
#else
unsigned int port = ((direct_params_t *) parport->params)->port;
return ((port + 3 <= 0x400) && ioperm( port, 3, 1 )) || ((port + 3 > 0x400) && iopl( 3 ));
#endif
}
static int
direct_close( parport_t *parport )
{
#if defined(HAVE_INPOUTXX)
return 0;
#else
unsigned int port = ((direct_params_t *) parport->params)->port;
return (port + 3 <= 0x400) ? ioperm( port, 3, 0 ) : iopl( 0 );
#endif
}
static int
@ -263,4 +303,4 @@ parport_driver_t direct_parport_driver = {
direct_set_control
};
#endif /* defined(HAVE_IOPERM) || defined(HAVE_I386_SET_IOPERM) */
#endif /* ENABLE_LOWLEVEL_DIRECT */

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