Completes coding of the PWM module

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4200 7fd9a85b-ad96-42d3-883c-3090e2eb8679

1 files changed, 224 insertions, 0 deletions

diff --git a/nuttx/tools/define.sh b/nuttx/tools/define.sh
new file mode 100755
index 000000000..8b2b0e364
--- /dev/null
+++ b/nuttx/tools/define.sh
@@ -0,0 +1,224 @@
+#!/bin/bash
+# tools/define.sh
+#
+#   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+#
+# Handle command line options
+#
+
+progname=$0
+wintool=n
+usage="USAGE: $progname [-w] [-d] [-l] [-h] <compiler-path> <def1>[=val1] [<def2>[=val2] [<def3>[=val3] ...]]"
+advice="Try '$progname -h' for more information"
+
+while [ ! -z "$1" ]; do 
+	case $1 in
+	-d )
+		set -x
+		;;
+	-w )
+		wintool=y
+		;;
+	-h )
+		echo "$progname is a tool for flexible generation of command line pre-processor"
+		echo "definitions arguments for a variety of diffent compilers in a variety of"
+		echo "compilation environments"
+		echo ""
+		echo $usage
+		echo ""
+		echo "Where:"
+		echo "	<compiler-path>"
+		echo "		The full path to your compiler"
+		echo "	<def1> <def2> [<def3> ..."
+		echo "		A list of pre-preprocesser variable names to be defind."
+		echo "	[=val1] [=val2] [=val3]"
+		echo "		optional values to be assigned to each pre-processor variable."
+		echo "		If not supplied, the variable will be defined with no explicit value."
+		echo "	-w"
+		echo "		The compiler is a Windows native tool and requires Windows"
+		echo "		style pathnames like C:\\Program Files"
+		echo "	-d"
+		echo "		Enable script debug"
+		;;
+	* )
+		break;
+		;;
+	esac
+	shift
+done
+
+ccpath=$1
+shift
+varlist=$@
+
+if [ -z "$ccpath" ]; then
+	echo "Missing compiler path"
+	echo $usage
+	echo $advice
+	exit 1
+fi
+
+if [ -z "$varlist" ]; then
+	echo "Missing definition list"
+	echo $usage
+	echo $advice
+	exit 1
+fi
+
+#
+# Most compilers support CFLAG options like '-D<defn>' to add pre-processor
+# variable defintions.  Some (like the Zilog tools), do not.  This script
+# makes the selection of pre-processor definitions compiler independent.
+#
+# Below are all known compiler names (as found in the config/*/*/Make.defs
+# files).  If a new compiler is used that has some unusual syntax, then
+# additional logic needs to be added to this file.
+#
+#   NAME                        Syntax
+#   $(CROSSDEV)gcc              -D<def1> -D<def2> -D<def3> ...
+#   sdcc                        -D<def2> -D<def2> -D<def3> ...
+#   $(ZDSBINDIR)/ez8cc.exe      -define:<def1> -define:<def2> -define:<def3> ...
+#   $(ZDSBINDIR)/zneocc.exe     -define:<def1> -define:<def2> -define:<def3> ...
+#   $(ZDSBINDIR)/ez80cc.exe     -define:<def1> -define:<def2> -define:<def3> ...
+#
+os=`uname -o 2>/dev/null || echo "Other"`
+
+#
+# Let's assume that all GCC compiler paths contain the string gcc and
+# no non-GCC compiler pathes include this substring
+#
+gcc=`echo $ccpath | grep gcc`
+sdcc=`echo $ccpath | grep sdcc`
+
+if [ "X$os" = "XCygwin" ]; then
+	#
+	# We can treat Cygwin native toolchains just like Linux native
+	# toolchains in the Linux.  Let's assume:
+	# 1. GCC or SDCC are the only possible Cygwin native compilers
+	# 2. If this is a Window native GCC version, then -w provided
+	#    on the command line (wintool=y)
+
+	if [ -z "$gcc" -a -z "$sdcc" ]; then
+		#
+		# Not GCC or SDCC, must be Windows native
+		#
+		compiler=`cygpath -u "$ccpath"`
+	else
+		if [ "X$wintool" == "Xy" ]; then
+			#
+			# It is a native GCC or SDCC compiler
+			#
+			compiler=`cygpath -u "$ccpath"`
+		else
+			#
+			# GCC or SDCC and not for Windows
+			#
+			compiler="$ccpath"
+		fi
+	fi
+else
+	#
+	# Otherwise, we must be in a Linux environment where there are
+	# only Linux native toolchains
+	#
+	compiler="$ccpath"
+fi
+exefile=`basename "$compiler"`
+
+# Check for some well known, non-GCC Windows native tools that require
+# a special output format as well as special paths
+
+if [ "X$exefile" = "Xez8cc.exe" -o "X$exefile" = "Xzneocc.exe" -o "X$exefile" = "Xez80cc.exe" ]; then
+	fmt=define
+else
+	fmt=std
+fi
+
+# Now process each directory in the directory list
+
+unset response
+for vardef in $varlist; do
+
+	varname=`echo $vardef | cut -d'=' -f1`
+	varvalue=`echo $vardef | cut -d'=' -f2`
+
+    # Handle the output depending on if there is a value for the variable or not
+
+	if [ -z "$varvalue" ]; then
+
+		# Handle the output using the selected format
+
+		if [ "X$fmt" = "Xdefine" ]; then
+			# Treat the first definition differently
+
+			if [ -z "$response" ]; then
+				response="-define:"$varname
+			else
+				response=$response" -define:$varname"
+			fi
+		else
+			# Treat the first definition differently
+
+			if [ -z "$response" ]; then
+				response=-D$varname
+			else
+				response=$response" -D$varname"
+			fi
+		fi
+	else
+
+		# Handle the output using the selected format
+
+		if [ "X$fmt" = "Xdefine" ]; then
+			# Treat the first definition differently
+
+			if [ -z "$response" ]; then
+				response="-define:"$varname=$varvalue
+			else
+				response=$response" -define:$varname=$varvalue"
+			fi
+		else
+			# Treat the first definition differently
+
+			if [ -z "$response" ]; then
+				response=-D$varname=$varvalue
+			else
+				response=$response" -D$varname=$varvalue"
+			fi
+		fi
+	fi
+done
+
+echo $response
+
+