From 051bf12ec7907e8f88f31bfb92418888a1a3505f Mon Sep 17 00:00:00 2001
From: Aurelien Jarno <aurelien@aurel32.net>
Date: Sat, 1 Apr 2023 21:44:23 +0200
Subject: Import flexloader-0.01.tar.gz
---
src/Makefile.am | 10 ++
src/Makefile.in | 401 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
src/byteblaster.c | 219 +++++++++++++++++++++++++++++
src/byteblaster.h | 38 ++++++
src/flexloader.c | 233 +++++++++++++++++++++++++++++++
src/flexloader.h | 29 ++++
src/main.c | 141 +++++++++++++++++++
src/main.h | 30 ++++
8 files changed, 1101 insertions(+)
create mode 100644 src/Makefile.am
create mode 100644 src/Makefile.in
create mode 100644 src/byteblaster.c
create mode 100644 src/byteblaster.h
create mode 100644 src/flexloader.c
create mode 100644 src/flexloader.h
create mode 100644 src/main.c
create mode 100644 src/main.h
(limited to 'src')
diff --git a/src/Makefile.am b/src/Makefile.am
new file mode 100644
index 0000000..01677d3
--- /dev/null
+++ b/src/Makefile.am
@@ -0,0 +1,10 @@
+CLEANFILES = *~ *.bb *.bbg
+
+bin_PROGRAMS = flexloader
+flexloader_SOURCES = byteblaster.h \
+ byteblaster.c \
+ flexloader.h \
+ flexloader.c \
+ main.h \
+ main.c
+
diff --git a/src/Makefile.in b/src/Makefile.in
new file mode 100644
index 0000000..0f0b360
--- /dev/null
+++ b/src/Makefile.in
@@ -0,0 +1,401 @@
+# Makefile.in generated by automake 1.7.9 from Makefile.am.
+# @configure_input@
+
+# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+# Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+top_builddir = ..
+
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+INSTALL = @INSTALL@
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
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+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+LDFLAGS = @LDFLAGS@
+LIBOBJS = @LIBOBJS@
+LIBS = @LIBS@
+LTLIBOBJS = @LTLIBOBJS@
+MAKEINFO = @MAKEINFO@
+OBJEXT = @OBJEXT@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
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+PACKAGE_VERSION = @PACKAGE_VERSION@
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+RANLIB = @RANLIB@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+STRIP = @STRIP@
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+am__quote = @am__quote@
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+build_vendor = @build_vendor@
+datadir = @datadir@
+exec_prefix = @exec_prefix@
+host = @host@
+host_alias = @host_alias@
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+host_os = @host_os@
+host_vendor = @host_vendor@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+oldincludedir = @oldincludedir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+CLEANFILES = *~ *.bb *.bbg
+
+bin_PROGRAMS = flexloader
+flexloader_SOURCES = byteblaster.h \
+ byteblaster.c \
+ flexloader.h \
+ flexloader.c \
+ main.h \
+ main.c
+
+subdir = src
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES =
+bin_PROGRAMS = flexloader$(EXEEXT)
+PROGRAMS = $(bin_PROGRAMS)
+
+am_flexloader_OBJECTS = byteblaster.$(OBJEXT) flexloader.$(OBJEXT) \
+ main.$(OBJEXT)
+flexloader_OBJECTS = $(am_flexloader_OBJECTS)
+flexloader_LDADD = $(LDADD)
+flexloader_DEPENDENCIES =
+flexloader_LDFLAGS =
+
+DEFAULT_INCLUDES = -I. -I$(srcdir) -I$(top_builddir)
+depcomp = $(SHELL) $(top_srcdir)/depcomp
+am__depfiles_maybe = depfiles
+@AMDEP_TRUE@DEP_FILES = ./$(DEPDIR)/byteblaster.Po \
+@AMDEP_TRUE@ ./$(DEPDIR)/flexloader.Po ./$(DEPDIR)/main.Po
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+ $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+CCLD = $(CC)
+LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
+DIST_SOURCES = $(flexloader_SOURCES)
+DIST_COMMON = $(srcdir)/Makefile.in Makefile.am
+SOURCES = $(flexloader_SOURCES)
+
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .o .obj
+$(srcdir)/Makefile.in: Makefile.am $(top_srcdir)/configure.ac $(ACLOCAL_M4)
+ cd $(top_srcdir) && \
+ $(AUTOMAKE) --foreign src/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+ cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)
+binPROGRAMS_INSTALL = $(INSTALL_PROGRAM)
+install-binPROGRAMS: $(bin_PROGRAMS)
+ @$(NORMAL_INSTALL)
+ $(mkinstalldirs) $(DESTDIR)$(bindir)
+ @list='$(bin_PROGRAMS)'; for p in $$list; do \
+ p1=`echo $$p|sed 's/$(EXEEXT)$$//'`; \
+ if test -f $$p \
+ ; then \
+ f=`echo "$$p1" | sed 's,^.*/,,;$(transform);s/$$/$(EXEEXT)/'`; \
+ echo " $(INSTALL_PROGRAM_ENV) $(binPROGRAMS_INSTALL) $$p $(DESTDIR)$(bindir)/$$f"; \
+ $(INSTALL_PROGRAM_ENV) $(binPROGRAMS_INSTALL) $$p $(DESTDIR)$(bindir)/$$f || exit 1; \
+ else :; fi; \
+ done
+
+uninstall-binPROGRAMS:
+ @$(NORMAL_UNINSTALL)
+ @list='$(bin_PROGRAMS)'; for p in $$list; do \
+ f=`echo "$$p" | sed 's,^.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/'`; \
+ echo " rm -f $(DESTDIR)$(bindir)/$$f"; \
+ rm -f $(DESTDIR)$(bindir)/$$f; \
+ done
+
+clean-binPROGRAMS:
+ -test -z "$(bin_PROGRAMS)" || rm -f $(bin_PROGRAMS)
+flexloader$(EXEEXT): $(flexloader_OBJECTS) $(flexloader_DEPENDENCIES)
+ @rm -f flexloader$(EXEEXT)
+ $(LINK) $(flexloader_LDFLAGS) $(flexloader_OBJECTS) $(flexloader_LDADD) $(LIBS)
+
+mostlyclean-compile:
+ -rm -f *.$(OBJEXT) core *.core
+
+distclean-compile:
+ -rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/byteblaster.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/flexloader.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/main.Po@am__quote@
+
+.c.o:
+@am__fastdepCC_TRUE@ if $(COMPILE) -MT $@ -MD -MP -MF "$(DEPDIR)/$*.Tpo" \
+@am__fastdepCC_TRUE@ -c -o $@ `test -f '$<' || echo '$(srcdir)/'`$<; \
+@am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/$*.Tpo" "$(DEPDIR)/$*.Po"; \
+@am__fastdepCC_TRUE@ else rm -f "$(DEPDIR)/$*.Tpo"; exit 1; \
+@am__fastdepCC_TRUE@ fi
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ depfile='$(DEPDIR)/$*.Po' tmpdepfile='$(DEPDIR)/$*.TPo' @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@ $(COMPILE) -c `test -f '$<' || echo '$(srcdir)/'`$<
+
+.c.obj:
+@am__fastdepCC_TRUE@ if $(COMPILE) -MT $@ -MD -MP -MF "$(DEPDIR)/$*.Tpo" \
+@am__fastdepCC_TRUE@ -c -o $@ `if test -f '$<'; then $(CYGPATH_W) '$<'; else $(CYGPATH_W) '$(srcdir)/$<'; fi`; \
+@am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/$*.Tpo" "$(DEPDIR)/$*.Po"; \
+@am__fastdepCC_TRUE@ else rm -f "$(DEPDIR)/$*.Tpo"; exit 1; \
+@am__fastdepCC_TRUE@ fi
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ depfile='$(DEPDIR)/$*.Po' tmpdepfile='$(DEPDIR)/$*.TPo' @AMDEPBACKSLASH@
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+
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+ETAGSFLAGS =
+
+CTAGS = ctags
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+
+tags: TAGS
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
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+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) ' { files[$$0] = 1; } \
+ END { for (i in files) print i; }'`; \
+ mkid -fID $$unique
+
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+ done | \
+ $(AWK) ' { files[$$0] = 1; } \
+ END { for (i in files) print i; }'`; \
+ test -z "$(ETAGS_ARGS)$$tags$$unique" \
+ || $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ $$tags $$unique
+
+ctags: CTAGS
+CTAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ tags=; \
+ here=`pwd`; \
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) ' { files[$$0] = 1; } \
+ END { for (i in files) print i; }'`; \
+ test -z "$(CTAGS_ARGS)$$tags$$unique" \
+ || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+ $$tags $$unique
+
+GTAGS:
+ here=`$(am__cd) $(top_builddir) && pwd` \
+ && cd $(top_srcdir) \
+ && gtags -i $(GTAGS_ARGS) $$here
+
+distclean-tags:
+ -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+
+top_distdir = ..
+distdir = $(top_distdir)/$(PACKAGE)-$(VERSION)
+
+distdir: $(DISTFILES)
+ @srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; \
+ topsrcdirstrip=`echo "$(top_srcdir)" | sed 's|.|.|g'`; \
+ list='$(DISTFILES)'; for file in $$list; do \
+ case $$file in \
+ $(srcdir)/*) file=`echo "$$file" | sed "s|^$$srcdirstrip/||"`;; \
+ $(top_srcdir)/*) file=`echo "$$file" | sed "s|^$$topsrcdirstrip/|$(top_builddir)/|"`;; \
+ esac; \
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+ fi; \
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+ else \
+ test -f $(distdir)/$$file \
+ || cp -p $$d/$$file $(distdir)/$$file \
+ || exit 1; \
+ fi; \
+ done
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+check: check-am
+all-am: Makefile $(PROGRAMS)
+
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+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
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+install-strip:
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+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ `test -z '$(STRIP)' || \
+ echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+ -test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
+
+distclean-generic:
+ -rm -f $(CONFIG_CLEAN_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-binPROGRAMS clean-generic mostlyclean-am
+
+distclean: distclean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+ distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-exec-am: install-binPROGRAMS
+
+install-info: install-info-am
+
+install-man:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic
+
+pdf: pdf-am
+
+pdf-am:
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+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-binPROGRAMS uninstall-info-am
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-binPROGRAMS \
+ clean-generic ctags distclean distclean-compile \
+ distclean-generic distclean-tags distdir dvi dvi-am info \
+ info-am install install-am install-binPROGRAMS install-data \
+ install-data-am install-exec install-exec-am install-info \
+ install-info-am install-man install-strip installcheck \
+ installcheck-am installdirs maintainer-clean \
+ maintainer-clean-generic mostlyclean mostlyclean-compile \
+ mostlyclean-generic pdf pdf-am ps ps-am tags uninstall \
+ uninstall-am uninstall-binPROGRAMS uninstall-info-am
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/byteblaster.c b/src/byteblaster.c
new file mode 100644
index 0000000..838c828
--- /dev/null
+++ b/src/byteblaster.c
@@ -0,0 +1,219 @@
+/***************************************************************************
+ byteblaster.c - Low-level functions to access the byteblaster
+ -------------------------------------------------------------
+
+ begin : Sun Jan 09 2005
+ copyright : (C) 2005 by Aurelien Jarno
+ email : aurelien@aurel32.net
+ ***************************************************************************/
+
+/***************************************************************************
+ * *
+ * 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. *
+ * *
+ ***************************************************************************/
+
+/* Application specific includes */
+#include "byteblaster.h"
+#include "main.h"
+
+/* Standard includes */
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <linux/ppdev.h>
+#include <linux/parport.h>
+#include <sys/ioctl.h>
+
+/***************************************************************************
+ * *
+ * Private functions *
+ * *
+ ***************************************************************************/
+
+static void out_data(int device, unsigned char mask, unsigned char val)
+{
+ static unsigned char data = 0;
+
+ data = (data & ~mask) | val;
+ ioctl(device, PPWDATA, &data);
+}
+
+static void set_AUTOFEED(int device, int value)
+{
+ struct ppdev_frob_struct frob;
+
+ frob.mask = PARPORT_CONTROL_AUTOFD;
+ frob.val = (value != 0) ? PARPORT_CONTROL_AUTOFD : 0;
+ ioctl(device, PPFCONTROL, &frob);
+ usleep(100000);
+}
+
+static void set_D5(int device, int value)
+{
+ /* D5 */
+ out_data(device, 0x20, (value != 0)? 0x20 : 0x00);
+}
+
+static int get_ACK(int device)
+{
+ unsigned char status;
+
+ ioctl(device, PPRSTATUS, &status);
+ return (status & PARPORT_STATUS_ACK) == PARPORT_STATUS_ACK;
+}
+
+static int open_parport(char *device_name)
+{
+ int dev;
+
+ if (debug)
+ printf("Opening %s\n", device_name);
+
+ dev = open(device_name, O_RDWR);
+ if (dev < 0)
+ {
+ if (!quiet)
+ perror("open");
+ return -1;
+ }
+ if (ioctl(dev, PPCLAIM) < 0)
+ {
+ if (!quiet)
+ perror("open");
+ perror("ioctl");
+ close(dev);
+ return -1;
+ }
+ return dev;
+}
+
+static void close_parport(int device)
+{
+ if (device)
+ {
+ ioctl(device, PPRELEASE);
+ close(device);
+ }
+}
+
+static int detect_byteblaster(int device)
+{
+ if (debug)
+ printf("Detecting byteblaster\n");
+
+ /* ACK and D5 are connected together */
+ if (debug)
+ printf("Driving D5 low\n");
+ set_D5(device, 0);
+ usleep(10000);
+ if (get_ACK(device) == 1)
+ {
+ if (debug)
+ fprintf(stderr, "ACK stuck high\n");
+ return -1;
+ }
+
+ if (debug)
+ printf("Driving D5 high\n");
+ set_D5(device, 1);
+ usleep(10000);
+ if (get_ACK(device) == 0)
+ {
+ if (debug)
+ fprintf(stderr, "ACK stuck low\n");
+ return -1;
+ }
+
+ if (debug)
+ printf("Driving D5 low\n");
+ set_D5(device, 0);
+ usleep(10000);
+ if (get_ACK(device) == 1)
+ {
+ if (debug)
+ fprintf(stderr, "ACK stuck high\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+
+/***************************************************************************
+ * *
+ * Public functions *
+ * *
+ ***************************************************************************/
+
+int get_nSTATUS(int device)
+{
+ unsigned char status;
+
+ ioctl(device, PPRSTATUS, &status);
+ return (status & PARPORT_STATUS_SELECT) == PARPORT_STATUS_SELECT;
+}
+
+int get_CONF_DONE(int device)
+{
+ unsigned char status;
+
+ ioctl(device, PPRSTATUS, &status);
+ return (status & PARPORT_STATUS_BUSY) != PARPORT_STATUS_BUSY;
+}
+
+void set_DCLK(int device, int value)
+{
+ /* D0 */
+ out_data(device, 0x01, (value != 0)? 0x01 : 0x00);
+}
+
+void set_nCONFIG(int device, int value)
+{
+ /* D1 */
+ out_data(device, 0x02, (value != 0)? 0x02 : 0x00);
+}
+
+void set_DATA0(int device, int value)
+{
+ /* D6 */
+ out_data(device, 0x40, (value != 0)? 0x40 : 0x00);
+}
+
+int open_byteblaster(char *devicename)
+{
+ int dev;
+
+ dev = open_parport(devicename);
+ if (dev < 0 )
+ {
+ if (!quiet)
+ fprintf(stderr, "Can't open %s!\n", devicename);
+ return -1;
+ }
+
+ if (detect_byteblaster(dev) < 0)
+ {
+ if (!quiet)
+ fprintf(stderr, "Byteblaster not found on %s!\n", devicename);
+ close_byteblaster(dev);
+ return -1;
+ }
+
+ return dev;
+}
+
+void close_byteblaster(int device)
+{
+ enable_byteblaster(device, 0);
+ close_parport(device);
+}
+
+void enable_byteblaster(int device, int value)
+{
+ set_AUTOFEED(device, value);
+}
+
diff --git a/src/byteblaster.h b/src/byteblaster.h
new file mode 100644
index 0000000..5b84389
--- /dev/null
+++ b/src/byteblaster.h
@@ -0,0 +1,38 @@
+/***************************************************************************
+ byteblaster.c - Low-level functions to access the byteblaster
+ -------------------------------------------------------------
+
+ begin : Sun Jan 09 2005
+ copyright : (C) 2005 by Aurelien Jarno
+ email : aurelien@aurel32.net
+ ***************************************************************************/
+
+/***************************************************************************
+ * *
+ * 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. *
+ * *
+ ***************************************************************************/
+
+#ifndef BYTEBLASTER_H
+#define BYTEBLASTER_H
+
+#ifdef HAVE_CONFIG_H
+ #include <config.h>
+#endif
+
+/* Subroutines */
+int open_byteblaster(char *devicename);
+void close_byteblaster(int device);
+void enable_byteblaster(int device, int value);
+
+void set_DCLK(int device, int value);
+void set_nCONFIG(int device, int value);
+void set_DATA0(int device, int value);
+
+int get_nSTATUS(int device);
+int get_CONF_DONE(int device);
+
+#endif
diff --git a/src/flexloader.c b/src/flexloader.c
new file mode 100644
index 0000000..324fa48
--- /dev/null
+++ b/src/flexloader.c
@@ -0,0 +1,233 @@
+/***************************************************************************
+ flexloader.c - Routines to download code to an Altera FLEX FPGA
+ ---------------------------------------------------------------
+
+ begin : Sun Jan 09 2004
+ copyright : (C) 2005 by Aurelien Jarno
+ email : aurelien@aurel32.net
+ ***************************************************************************/
+
+/***************************************************************************
+ * *
+ * 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. *
+ * *
+ ***************************************************************************/
+
+/* Application specific includes */
+#include "flexloader.h"
+#include "byteblaster.h"
+#include "main.h"
+
+/* Standard includes */
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+
+/***************************************************************************
+ * *
+ * Declarations *
+ * *
+ ***************************************************************************/
+
+#define TIMEOUT 500 /* ms */
+
+
+/***************************************************************************
+ * *
+ * Private functions *
+ * *
+ ***************************************************************************/
+
+static int flex_config(int device)
+{
+ int t;
+
+ set_DCLK(device, 0);
+ set_DATA0(device, 1);
+ set_nCONFIG(device, 1);
+ enable_byteblaster(device, 1);
+ usleep(100000);
+
+ if (debug)
+ printf("Configuring FLEX\n");
+
+ for (t = TIMEOUT / 10 ; t > 0 ; t--)
+ {
+ if (get_nSTATUS(device) == 1)
+ break;
+ usleep(10000);
+ }
+ if (t == 0)
+ {
+ if (!quiet)
+ fprintf(stderr, "nSTATUS != 1\n");
+ return -1;
+ }
+
+ set_nCONFIG(device, 0);
+
+ for (t = TIMEOUT / 10 ; t > 0 ; t--)
+ {
+ if (get_nSTATUS(device) == 0)
+ break;
+ usleep(10000);
+ }
+ if (t == 0)
+ {
+ if (!quiet)
+ fprintf(stderr, "nSTATUS != 0\n");
+ return -1;
+ }
+
+ for (t = TIMEOUT / 10 ; t > 0 ; t--)
+ {
+ if (get_CONF_DONE(device) == 0)
+ break;
+ usleep(10000);
+ }
+ if (t == 0)
+ {
+ if (!quiet)
+ fprintf(stderr, "CONF_DONE != 0\n");
+ return -1;
+ }
+
+ set_nCONFIG(device, 1);
+
+ for (t = TIMEOUT / 10 ; t > 0 ; t--)
+ {
+ if (get_nSTATUS(device) == 1)
+ break;
+ usleep(10000);
+ }
+ if (t == 0)
+ {
+ if (!quiet)
+ fprintf(stderr, "nSTATUS != 1\n");
+ return -1;
+ }
+
+ usleep(40000);
+ return 0;
+}
+
+static int flex_download(int device, int file)
+{
+ int byte, bit;
+ unsigned char data;
+
+ if (debug)
+ printf("Downloading code\n");
+
+ for(byte = 0 ; ; byte++)
+ {
+ if (debug)
+ printf("Downloading byte %i\n", byte);
+
+ if (read(file, &data, 1) != 1)
+ {
+ if (!quiet)
+ fprintf(stderr, "Unexpected end of file\n");
+ return -1;
+ }
+
+ for (bit = 0 ; bit < 8 ; bit++)
+ {
+ set_DATA0(device, data & 0x01);
+ set_DCLK(device, 1);
+ set_DCLK(device, 0);
+ data >>= 1;
+
+ if (get_nSTATUS(device) == 0)
+ {
+ if (!quiet)
+ fprintf(stderr, "Checksum error\n");
+ return -1;
+ }
+
+ if (get_CONF_DONE(device) == 1)
+ {
+ if (!quiet)
+ printf("%i bytes downloaded\n", byte);
+ return 0;
+ }
+ }
+ }
+}
+
+static void flex_init(int device)
+{
+ int i;
+
+ if (debug)
+ printf("Initializing FLEX\n");
+
+ /* more clocks required to initialize the device */
+ for (i = 0 ; i < 10 ; i++)
+ {
+ set_DCLK(device, 1);
+ set_DCLK(device, 0);
+ }
+}
+
+
+/***************************************************************************
+ * *
+ * Public functions *
+ * *
+ ***************************************************************************/
+
+int flex_download_program(char *device, char *rbf_file)
+{
+ int fd;
+ int byteblaster;
+
+ if (debug)
+ printf("Opening %s\n", rbf_file);
+
+ fd = open(rbf_file, O_RDONLY);
+
+ if (fd < 0)
+ {
+ if (!quiet)
+ {
+ perror("open");
+ fprintf(stderr, "Can't open %s!\n", rbf_file);
+ }
+ return -1;
+ }
+
+ byteblaster = open_byteblaster(device);
+
+ if (byteblaster < 0)
+ return -1;
+
+ if (flex_config(byteblaster) < 0)
+ {
+ if (!quiet)
+ fprintf(stderr, "Altera FLEX not found!\n");
+ return -1;
+ }
+
+ if (flex_download(byteblaster, fd) < 0)
+ {
+ if (!quiet)
+ fprintf(stderr, "Download failed\n");
+ return -1;
+ }
+
+ flex_init(byteblaster);
+
+ close_byteblaster(byteblaster);
+
+ close(fd);
+ return 0;
+}
+
diff --git a/src/flexloader.h b/src/flexloader.h
new file mode 100644
index 0000000..3031c1c
--- /dev/null
+++ b/src/flexloader.h
@@ -0,0 +1,29 @@
+/***************************************************************************
+ flexloader.h - Routines to download code to an Altera FLEX FPGA
+ ---------------------------------------------------------------
+
+ begin : Sun Jan 09 2005
+ copyright : (C) 2005 by Aurelien Jarno
+ email : aurelien@aurel32.net
+ ***************************************************************************/
+
+/***************************************************************************
+ * *
+ * 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. *
+ * *
+ ***************************************************************************/
+
+#ifndef FLEXLOADER_H
+#define FLEXLOADER_H
+
+#ifdef HAVE_CONFIG_H
+ #include <config.h>
+#endif
+
+/* Subroutines */
+int flex_download_program(char *device, char *rbf_file);
+
+#endif
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..8310c89
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,141 @@
+/***************************************************************************
+ main.c - Main program
+ ---------------------
+
+ begin : Sun Jan 09 2005
+ copyright : (C) 2005 by Aurelien Jarno
+ email : aurelien@aurel32.net
+ ***************************************************************************/
+
+/***************************************************************************
+ * *
+ * 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. *
+ * *
+ ***************************************************************************/
+
+/* Application specific includes */
+#include "main.h"
+#include "flexloader.h"
+
+/* Standard includes */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <sys/shm.h>
+#include <signal.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+/***************************************************************************
+ * *
+ * Declarations *
+ * *
+ ***************************************************************************/
+
+/* Variables */
+int debug = 0;
+int quiet = 0;
+
+
+/***************************************************************************
+ * *
+ * Functions *
+ * *
+ ***************************************************************************/
+
+static void print_usage(void)
+{
+ printf("Usage: "PACKAGE" parport_device rbf_file\n"
+ "\n"
+ "Valid options are:\n"
+ " -d, --debug Print debug messages.\n"
+ " -h, --help Print this message.\n"
+ " -q, --quiet Don't print any message.\n"
+ " -v, --version Display "PACKAGE" version number.\n"
+ "\n");
+}
+
+static void print_banner(void)
+{
+ if (!quiet)
+ {
+ printf(PACKAGE" version "VERSION"\n");
+ printf("(C) 2005 Aurelien Jarno\n\n");
+ }
+}
+
+int main(int argc, char* argv[])
+{
+ int c;
+ int lindex = 0;
+
+ static struct option long_options[] =
+ {
+ {"debug", no_argument, NULL, 'd'},
+ {"help", no_argument, NULL, 'h'},
+ {"quiet", no_argument, NULL, 'q'},
+ {"version", no_argument, NULL, 'v'},
+ {0, 0, 0, 0}
+ };
+
+ while ((c = getopt_long (argc, argv, "dhqv", long_options, &lindex)) != -1)
+ {
+ printf("%c\n",c);
+ switch (c)
+ {
+ case 'd':
+ debug = 1;
+ break;
+
+ case 'h':
+ print_banner();
+ print_usage();
+ exit(EXIT_SUCCESS);
+ break;
+
+ case 'q':
+ quiet = 1;
+ break;
+
+ case 'v':
+ print_banner();
+ exit(EXIT_SUCCESS);
+ break;
+
+ default:
+ print_banner();
+ print_usage();
+ exit(EXIT_FAILURE);
+ break;
+ }
+ }
+
+ print_banner();
+ if (argc - optind != 2)
+ {
+ print_usage();
+ exit(EXIT_FAILURE);
+ }
+
+
+ if (flex_download_program(argv[optind], argv[optind + 1]) != 0)
+ {
+ if (!quiet)
+ printf("Code NOT downloaded to the FPGA\n\n");
+ }
+ else
+ {
+ if (!quiet)
+ printf("Code successfully downloaded to the FPGA\n\n");
+ }
+
+ return EXIT_SUCCESS;
+}
+
+
+
diff --git a/src/main.h b/src/main.h
new file mode 100644
index 0000000..a5e83ed
--- /dev/null
+++ b/src/main.h
@@ -0,0 +1,30 @@
+/***************************************************************************
+ main.h - Main program
+ ---------------------
+
+ begin : Mon Nov 24 2003
+ copyright : (C) 2003 by Aurelien Jarno
+ emails : aurelien@aurel32.net
+ ***************************************************************************/
+
+/***************************************************************************
+ * *
+ * 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. *
+ * *
+ ***************************************************************************/
+
+#ifndef MAIN_H
+#define MAIN_H
+
+#ifdef HAVE_CONFIG_H
+ #include <config.h>
+#endif
+
+/* Variables */
+extern int debug;
+extern int quiet;
+
+#endif
--
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