Integrate the interesting parts of the CMSIS 3.01 (r3p1) DSP library

apps/mathlib/CMSIS/Makefile

@@ -0,0 +1,54 @@
+############################################################################
+#
+#   Copyright (C) 2012 PX4 Development Team. All rights reserved.
+#
+# 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 PX4 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.
+#
+############################################################################
+
+#
+# ARM CMSIS DSP library
+#
+
+#
+# Find sources
+#
+DSPLIB_SRCDIR		 = $(dir $(lastword $(MAKEFILE_LIST)))
+CSRCS			:= $(wildcard $(DSPLIB_SRCDIR)/DSP_Lib/Source/*/*.c)
+
+INCLUDES		+= $(DSPLIB_SRCDIR)/Include \
+			   $(DSPLIB_SRCDIR)/Device/ARM/ARMCM4/Include \
+			   $(DSPLIB_SRCDIR)/Device/ARM/ARMCM3/Include
+
+#
+# Override the default visibility for symbols, since the CMSIS DSPLib doesn't
+# have anything we can use to mark exported symbols.
+#
+DEFAULT_VISIBILITY	 = YES
+
+include $(APPDIR)/mk/app.mk