Base files for new TTY driver.

Kbuild.in

@@ -25,8 +25,14 @@
 #  EtherCAT technology and brand is only permitted in compliance with the
 #  industrial property and similar rights of Beckhoff Automation GmbH.
 #
+#  vi: syntax=make
+#
 #------------------------------------------------------------------------------
 
 obj-m := examples/ master/ devices/
 
+ifeq (@ENABLE_TTY@,1)
+	obj-m += tty/
+endif
+
 #------------------------------------------------------------------------------

Makefile.am

@@ -43,6 +43,10 @@ if ENABLE_USERLIB
 SUBDIRS += lib
 endif
 
+if ENABLE_TTY
+SUBDIRS += tty
+endif
+
 # userspace example depends on lib/
 SUBDIRS += examples
 
@@ -54,7 +58,8 @@ DIST_SUBDIRS = \
     m4 \
     master \
     script \
-    tool
+    tool \
+	tty
 
 noinst_HEADERS = \
 	globals.h

configure.ac

@@ -518,6 +518,29 @@ AC_ARG_ENABLE([userlib],
 
 AM_CONDITIONAL(ENABLE_USERLIB, test "x$userlib" = "x1")
 
+#------------------------------------------------------------------------------
+# TTY driver
+#------------------------------------------------------------------------------
+
+AC_ARG_ENABLE([tty],
+    AS_HELP_STRING([--enable-tty],
+                   [Generation of the ec_tty module (default: no)]),
+    [
+        case "${enableval}" in
+            yes) tty=1
+                ;;
+            no) tty=0
+                ;;
+            *) AC_MSG_ERROR([Invalid value for --enable-tty])
+                ;;
+        esac
+    ],
+    [tty=0]
+)
+
+AM_CONDITIONAL(ENABLE_TTY, test "x$tty" = "x1")
+AC_SUBST(ENABLE_TTY,[$tty])
+
 #------------------------------------------------------------------------------
 
 AC_CONFIG_FILES([
@@ -548,6 +571,8 @@ AC_CONFIG_FILES([
         script/init.d/ethercat
         script/sysconfig/Makefile
         tool/Makefile
+        tty/Makefile
+        tty/Kbuild
 ])
 AC_OUTPUT
 

tty/Kbuild.in

+#------------------------------------------------------------------------------
+#
+#  $Id$
+#
+#  Copyright (C) 2006-2008  Florian Pose, Ingenieurgemeinschaft IgH
+#
+#  This file is part of the IgH EtherCAT Master.
+#
+#  The IgH EtherCAT Master is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 2, as
+#  published by the Free Software Foundation.
+#
+#  The IgH EtherCAT Master is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
+#  Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License along
+#  with the IgH EtherCAT Master; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#
+#  ---
+#  
+#  The license mentioned above concerns the source code only. Using the EtherCAT
+#  technology and brand is only permitted in compliance with the industrial
+#  property and similar rights of Beckhoff Automation GmbH.
+#
+#  ---
+#
+#  vi: syntax=make
+#
+#------------------------------------------------------------------------------
+
+obj-m := ec_tty.o
+
+ec_tty-objs := \
+	module.o
+
+REV := $(shell if test -s $(src)/../revision; then \
+		cat $(src)/../revision; \
+	else \
+		hg id -i $(src)/.. 2>/dev/null || echo "unknown"; \
+	fi)
+
+CFLAGS_module.o := -DREV=$(REV)
+
+#------------------------------------------------------------------------------

tty/Makefile.am

+#------------------------------------------------------------------------------
+#
+#  $Id$
+#
+#  Copyright (C) 2006-2008  Florian Pose, Ingenieurgemeinschaft IgH
+#
+#  This file is part of the IgH EtherCAT Master.
+#
+#  The IgH EtherCAT Master is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 2, as
+#  published by the Free Software Foundation.
+#
+#  The IgH EtherCAT Master is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
+#  Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License along
+#  with the IgH EtherCAT Master; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#
+#  ---
+#  
+#  The license mentioned above concerns the source code only. Using the
+#  EtherCAT technology and brand is only permitted in compliance with the
+#  industrial property and similar rights of Beckhoff Automation GmbH.
+#
+#------------------------------------------------------------------------------
+
+# using HEADERS to enable tags target
+noinst_HEADERS = \
+	module.c
+
+EXTRA_DIST = \
+	Kbuild.in
+
+BUILT_SOURCES = \
+	Kbuild
+
+modules:
+	$(MAKE) -C "$(LINUX_SOURCE_DIR)" M="@abs_srcdir@" modules
+
+modules_install:
+	mkdir -p $(DESTDIR)$(LINUX_MOD_PATH)
+	cp $(srcdir)/ec_tty.ko $(DESTDIR)$(LINUX_MOD_PATH)
+
+clean-local:
+	$(MAKE) -C "$(LINUX_SOURCE_DIR)" M="@abs_srcdir@" clean
+
+modulesdir=@prefix@/modules
+SYMVERS=`echo $(top_builddir)/Module*.symvers`
+
+install-data-local:
+	@test -n "$(SYMVERS)" && \
+		mkdir -p $(DESTDIR)$(modulesdir) && \
+		cp -vf $(SYMVERS) \
+			$(DESTDIR)$(modulesdir)/ec_tty.symvers
+
+#------------------------------------------------------------------------------

tty/module.c

+/******************************************************************************
+ *
+ *  $Id$
+ *
+ *  Copyright (C) 2006-2008  Florian Pose, Ingenieurgemeinschaft IgH
+ *
+ *  This file is part of the IgH EtherCAT Master.
+ *
+ *  The IgH EtherCAT Master is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License version 2, as
+ *  published by the Free Software Foundation.
+ *
+ *  The IgH EtherCAT Master is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
+ *  Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with the IgH EtherCAT Master; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ *  ---
+ *
+ *  The license mentioned above concerns the source code only. Using the
+ *  EtherCAT technology and brand is only permitted in compliance with the
+ *  industrial property and similar rights of Beckhoff Automation GmbH.
+ *
+ *****************************************************************************/
+
+/** \file
+ * EtherCAT tty driver module.
+ */
+
+/*****************************************************************************/
+
+#include <linux/module.h>
+#include <linux/err.h>
+
+#include "../master/globals.h"
+
+/*****************************************************************************/
+
+int __init ec_tty_init_module(void);
+void __exit ec_tty_cleanup_module(void);
+
+unsigned int debug_level = 0;
+char *ec_master_version_str = EC_MASTER_VERSION; /**< Version string. */
+
+/*****************************************************************************/
+
+/** \cond */
+
+MODULE_AUTHOR("Florian Pose <fp@igh-essen.com>");
+MODULE_DESCRIPTION("EtherCAT TTY driver module");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(EC_MASTER_VERSION);
+
+module_param_named(debug_level, debug_level, uint, S_IRUGO);
+MODULE_PARM_DESC(debug_level, "Debug level");
+
+/** \endcond */
+
+/*****************************************************************************/
+
+/** Module initialization.
+ *
+ * \return 0 on success, else < 0
+ */
+int __init ec_tty_init_module(void)
+{
+    int ret = 0;
+
+    EC_INFO("TTY driver %s\n", EC_MASTER_VERSION);
+
+    return ret;
+}
+
+/*****************************************************************************/
+
+/** Module cleanup.
+ *
+ * Clears all master instances.
+ */
+void __exit ec_tty_cleanup_module(void)
+{
+    EC_INFO("TTY module cleaned up.\n");
+}
+
+/*****************************************************************************/
+
+/** \cond */
+
+module_init(ec_tty_init_module);
+module_exit(ec_tty_cleanup_module);
+
+/** \endcond */
+
+/*****************************************************************************/