Completes coding of the PWM module

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

7 files changed, 494 insertions, 0 deletions

diff --git a/nuttx/libxx/Makefile b/nuttx/libxx/Makefile
new file mode 100755
index 000000000..0326e64e4
--- /dev/null
+++ b/nuttx/libxx/Makefile
@@ -0,0 +1,80 @@
+############################################################################
+# libxx/Makefile
+#
+#   Copyright (C) 2009 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.
+#
+###########################################################################
+
+-include $(TOPDIR)/Make.defs
+
+ASRCS		= 
+AOBJS		= $(ASRCS:.S=$(OBJEXT))
+CSRCS		= 
+COBJS		= $(CSRCS:.c=$(OBJEXT))
+CXXSRCS		= libxx_new.cxx libxx_newa.cxx libxx_delete.cxx \
+		  libxx_deletea.cxx libxx_cxapurevirtual.cxx
+CXXOBJS		= $(CXXSRCS:.cxx=$(OBJEXT))
+
+SRCS		= $(ASRCS) $(CSRCS) $(CXXSRCS)
+OBJS		= $(AOBJS) $(COBJS) $(CXXOBJS)
+
+BIN		= liblibxx$(LIBEXT)
+
+all:	$(BIN)
+
+$(AOBJS): %$(OBJEXT): %.S
+	$(call ASSEMBLE, $<, $@)
+
+$(COBJS): %$(OBJEXT): %.c
+	$(call COMPILE, $<, $@)
+
+$(CXXOBJS): %$(OBJEXT): %.cxx
+	$(call COMPILEXX, $<, $@)
+
+$(BIN):	$(OBJS)
+	@( for obj in $(OBJS) ; do \
+		$(call ARCHIVE, $@, $${obj}); \
+	done ; )
+
+.depend: Makefile $(SRCS)
+	@$(MKDEP) $(CXX) -- $(CXXFLAGS) -- $(SRCS) >Make.dep
+	@touch $@
+
+depend: .depend
+
+clean:
+	@rm -f $(BIN) *~ .*.swp
+	$(call CLEAN)
+
+distclean: clean
+	@rm -f Make.dep .depend
+
+-include Make.dep
diff --git a/nuttx/libxx/README.txt b/nuttx/libxx/README.txt
new file mode 100755
index 000000000..7b292bff5
--- /dev/null
+++ b/nuttx/libxx/README.txt
@@ -0,0 +1,17 @@
+libxx/README.txt

+^^^^^^^^^^^^^^^^

+

+This directory contains a fragmentary C++ library that will allow

+to build only the simplest of C++ applications.  In the deeply

+embedded world, that is probably all that is necessary.  If you

+have a need for more extensive C++ support, the following libraries

+are recommended:

+

+ - libstdc++	(part of GCC)

+ - STLport	http://www.stlport.org/ 

+ - uClibc++	http://cxx.uclibc.org/

+

+At present, only the following are supported here:

+

+ - void *operator new(std::size_t nbytes);

+ - void operator delete(void* ptr);
\ No newline at end of file
diff --git a/nuttx/libxx/libxx_cxapurevirtual.cxx b/nuttx/libxx/libxx_cxapurevirtual.cxx
new file mode 100755
index 000000000..e8912558a
--- /dev/null
+++ b/nuttx/libxx/libxx_cxapurevirtual.cxx
@@ -0,0 +1,69 @@
+//***************************************************************************
+// libxx/libxx_cxapurevirtual.cxx
+//
+//   Copyright (C) 2009 2011 Gregory Nutt. All rights reserved.
+//   Author: Gregory Nutt <gnutt@nuttx.org>
+//
+// 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.
+//
+//***************************************************************************
+
+//***************************************************************************
+// Included Files
+//***************************************************************************
+
+#include <cassert>
+
+//***************************************************************************
+// Definitions
+//***************************************************************************
+
+//***************************************************************************
+// Private Data
+//***************************************************************************
+
+//***************************************************************************
+// Operators
+//***************************************************************************
+
+//***************************************************************************
+// Name:  __cxa_pure_virtual
+//
+// Description:
+//    Crash when an un-implemented pure virtual function is called
+//
+//***************************************************************************
+
+extern "C"
+{
+  void __cxa_pure_virtual(void)
+  {
+    PANIC(100);
+  }
+}
+
diff --git a/nuttx/libxx/libxx_delete.cxx b/nuttx/libxx/libxx_delete.cxx
new file mode 100755
index 000000000..223a7bea9
--- /dev/null
+++ b/nuttx/libxx/libxx_delete.cxx
@@ -0,0 +1,62 @@
+//***************************************************************************
+// libxx/libxx_new.cxx
+//
+//   Copyright (C) 2009 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.
+//
+//***************************************************************************
+
+//***************************************************************************
+// Included Files
+//***************************************************************************
+
+#include <nuttx/config.h>
+#include <cstdlib>
+
+//***************************************************************************
+// Definitions
+//***************************************************************************
+
+//***************************************************************************
+// Private Data
+//***************************************************************************
+
+//***************************************************************************
+// Operators
+//***************************************************************************
+
+//***************************************************************************
+// Name: delete
+//***************************************************************************
+
+void operator delete(void* ptr)
+{
+  free(ptr);
+}
diff --git a/nuttx/libxx/libxx_deletea.cxx b/nuttx/libxx/libxx_deletea.cxx
new file mode 100755
index 000000000..3c519bd2c
--- /dev/null
+++ b/nuttx/libxx/libxx_deletea.cxx
@@ -0,0 +1,62 @@
+//***************************************************************************
+// libxx/libxx_newa.cxx
+//
+//   Copyright (C) 2009 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.
+//
+//***************************************************************************
+
+//***************************************************************************
+// Included Files
+//***************************************************************************
+
+#include <nuttx/config.h>
+#include <cstdlib>
+
+//***************************************************************************
+// Definitions
+//***************************************************************************
+
+//***************************************************************************
+// Private Data
+//***************************************************************************
+
+//***************************************************************************
+// Operators
+//***************************************************************************
+
+//***************************************************************************
+// Name: delete
+//***************************************************************************
+
+void operator delete[](void *ptr)
+{
+  free(ptr);
+}
diff --git a/nuttx/libxx/libxx_new.cxx b/nuttx/libxx/libxx_new.cxx
new file mode 100755
index 000000000..8ec725ca8
--- /dev/null
+++ b/nuttx/libxx/libxx_new.cxx
@@ -0,0 +1,102 @@
+//***************************************************************************
+// libxx/libxx_new.cxx
+//
+//   Copyright (C) 2009 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.
+//
+//***************************************************************************
+
+//***************************************************************************
+// Included Files
+//***************************************************************************
+
+#include <nuttx/config.h>
+#include <cstddef>
+#include <cstdlib>
+#include <debug.h>
+
+//***************************************************************************
+// Definitions
+//***************************************************************************
+
+//***************************************************************************
+// Private Data
+//***************************************************************************
+
+//***************************************************************************
+// Operators
+//***************************************************************************
+
+//***************************************************************************
+// Name: new
+//
+// NOTE:
+//   This should take a type of size_t.  But size_t has an unknown underlying
+//   type.  In the nuttx sys/types.h header file, size_t is typed as uint32_t
+//   (which is determined by architecture-specific logic).  But the C++
+//   compiler may believe that size_t is of a different type resulting in
+//   compilation errors in the operator.  Using the underlying integer type
+//   instead of size_t seems to resolve the compilation issues. Need to
+//   REVISIT this.
+//
+//***************************************************************************
+
+//void *operator new(size_t nbytes)
+#ifdef CONFIG_CXX_NEWLONG
+void *operator new(unsigned long nbytes)
+#else
+void *operator new(unsigned int nbytes)
+#endif
+{
+  // We have to allocate something
+
+  if (nbytes < 1)
+    {
+      nbytes = 1;
+    }
+
+  // Perform the allocation
+
+  void *alloc = malloc(nbytes);
+
+#ifdef CONFIG_DEBUG
+  if (alloc == 0)
+    {
+      // Oh my.. we are required to return a valid pointer and
+      // we cannot throw an exception!  We are bad.
+
+      dbg("Failed to allocate\n");
+    }
+#endif
+
+  // Return the allocated value
+
+  return alloc;
+}
diff --git a/nuttx/libxx/libxx_newa.cxx b/nuttx/libxx/libxx_newa.cxx
new file mode 100755
index 000000000..855160c41
--- /dev/null
+++ b/nuttx/libxx/libxx_newa.cxx
@@ -0,0 +1,102 @@
+//***************************************************************************
+// libxx/libxx_newa.cxx
+//
+//   Copyright (C) 2009 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.
+//
+//***************************************************************************
+
+//***************************************************************************
+// Included Files
+//***************************************************************************
+
+#include <nuttx/config.h>
+#include <cstddef>
+#include <cstdlib>
+#include <debug.h>
+
+//***************************************************************************
+// Definitions
+//***************************************************************************
+
+//***************************************************************************
+// Private Data
+//***************************************************************************
+
+//***************************************************************************
+// Operators
+//***************************************************************************
+
+//***************************************************************************
+// Name: new
+//
+// NOTE:
+//   This should take a type of size_t.  But size_t has an unknown underlying
+//   type.  In the nuttx sys/types.h header file, size_t is typed as uint32_t
+//   (which is determined by architecture-specific logic).  But the C++
+//   compiler may believe that size_t is of a different type resulting in
+//   compilation errors in the operator.  Using the underlying integer type
+//   instead of size_t seems to resolve the compilation issues. Need to
+//   REVISIT this.
+//
+//***************************************************************************
+
+//void *operator new[](size_t size)
+#ifdef CONFIG_CXX_NEWLONG
+void *operator new[](unsigned long nbytes)
+#else
+void *operator new[](unsigned int nbytes)
+#endif
+{
+  // We have to allocate something
+
+  if (nbytes < 1)
+    {
+      nbytes = 1;
+    }
+
+  // Perform the allocation
+
+  void *alloc = malloc(nbytes);
+
+#ifdef CONFIG_DEBUG
+  if (alloc == 0)
+    {
+      // Oh my.. we are required to return a valid pointer and
+      // we cannot throw an exception!  We are bad.
+
+      dbg("Failed to allocate\n");
+    }
+#endif
+
+  // Return the allocated value
+
+  return alloc;
+}