xiaoxiang781216 commented on code in PR #1624:
URL: https://github.com/apache/nuttx-apps/pull/1624#discussion_r1125818873
##########
sdr/.gitignore:
##########
@@ -0,0 +1 @@
+/Kconfig
Review Comment:
add new line
##########
sdr/Make.defs:
##########
@@ -0,0 +1,21 @@
+############################################################################
+# apps/sdr/Make.defs
Review Comment:
should we move to math?
##########
sdr/liquid_dsp/Kconfig:
##########
@@ -0,0 +1,10 @@
+#
+# For a description of the syntax of this configuration file,
+# see the file kconfig-language.txt in the NuttX tools repository.
+#
+
+config SDR_LIQUID_DSP
+ tristate "Liquid DSP Library"
Review Comment:
```suggestion
bool "Liquid DSP Library"
```
##########
sdr/liquid_dsp/Make.defs:
##########
@@ -0,0 +1,29 @@
+############################################################################
+# apps/sdr/liquid_dsp/Make.defs
+# Adds selected applications to apps/ build
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership. The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################/
+
+ifneq ($(CONFIG_SDR_LIQUID_DSP),)
+CONFIGURED_APPS += $(APPDIR)/sdr/liquid_dsp
+
+CFLAGS += ${shell $(INCDIR) $(INCDIROPT) "$(CC)" \
+ $(APPDIR)/sdr/liquid_dsp/liquid-dsp/src}
+CXXFLAGS += ${shell $(INCDIR) $(INCDIROPT) "$(CC)" \
+ $(APPDIR)/sdr/liquid_dsp/liquid-dsp/src}
+endif
Review Comment:
add new line
##########
sdr/liquid_dsp/Makefile:
##########
@@ -0,0 +1,247 @@
+###########################################################################
+# apps/sdr/liquid_dsp/Makefile
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership. The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################/
+
+include $(APPDIR)/Make.defs
+
+LIQUID_DSP_VERSION = 1.4.0
+LIQUID_DSP_UNPACK = liquid-dsp
+LIQUID_DSP_TARBALL = v$(LIQUID_DSP_VERSION).tar.gz
+LIQUID_DSP_URL_BASE = https://github.com/jgaeddert/liquid-dsp/archive
+LIQUID_DSP_URL = $(LIQUID_DSP_URL_BASE)/$(LIQUID_DSP_TARBALL)
+
+$(LIQUID_DSP_TARBALL):
+ $(Q) echo "Downloading $(LIQUID_DSP_TARBALL)"
+ $(Q) curl -O -L $(LIQUID_DSP_URL)
+
+$(LIQUID_DSP_UNPACK): $(LIQUID_DSP_TARBALL)
+ $(Q) echo "Unpacking $(LIQUID_DSP_TARBALL) to $(LIQUID_DSP_UNPACK)"
+ $(Q) tar xzvf $(LIQUID_DSP_TARBALL)
+ $(Q) mv liquid-dsp-$(LIQUID_DSP_VERSION) $(LIQUID_DSP_UNPACK)
+ $(Q) cp config.h $(LIQUID_DSP_UNPACK)/include
+
+$(LIQUID_DSP_UNPACK)/.patch: $(LIQUID_DSP_UNPACK)
+ $(Q) touch $(LIQUID_DSP_UNPACK)/.patch
+
+VPATH += $(LIBUV_UNPACK)/include
+
+DEPPATH += --dep-path $(LIBUV_UNPACK)/include
+
+CFLAGS += -I$(LIQUID_DSP_UNPACK)/include
+CFLAGS += -Wall -std=c99
Review Comment:
```suggestion
CFLAGS += -std=c99
```
##########
sdr/liquid_dsp/Makefile:
##########
@@ -0,0 +1,247 @@
+###########################################################################
+# apps/sdr/liquid_dsp/Makefile
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership. The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################/
+
+include $(APPDIR)/Make.defs
+
+LIQUID_DSP_VERSION = 1.4.0
+LIQUID_DSP_UNPACK = liquid-dsp
+LIQUID_DSP_TARBALL = v$(LIQUID_DSP_VERSION).tar.gz
+LIQUID_DSP_URL_BASE = https://github.com/jgaeddert/liquid-dsp/archive
+LIQUID_DSP_URL = $(LIQUID_DSP_URL_BASE)/$(LIQUID_DSP_TARBALL)
+
+$(LIQUID_DSP_TARBALL):
+ $(Q) echo "Downloading $(LIQUID_DSP_TARBALL)"
+ $(Q) curl -O -L $(LIQUID_DSP_URL)
+
+$(LIQUID_DSP_UNPACK): $(LIQUID_DSP_TARBALL)
+ $(Q) echo "Unpacking $(LIQUID_DSP_TARBALL) to $(LIQUID_DSP_UNPACK)"
+ $(Q) tar xzvf $(LIQUID_DSP_TARBALL)
+ $(Q) mv liquid-dsp-$(LIQUID_DSP_VERSION) $(LIQUID_DSP_UNPACK)
+ $(Q) cp config.h $(LIQUID_DSP_UNPACK)/include
+
+$(LIQUID_DSP_UNPACK)/.patch: $(LIQUID_DSP_UNPACK)
+ $(Q) touch $(LIQUID_DSP_UNPACK)/.patch
+
+VPATH += $(LIBUV_UNPACK)/include
+
+DEPPATH += --dep-path $(LIBUV_UNPACK)/include
Review Comment:
remove VPATH and DEPPATH
##########
sdr/liquid_dsp/Make.defs:
##########
@@ -0,0 +1,29 @@
+############################################################################
+# apps/sdr/liquid_dsp/Make.defs
+# Adds selected applications to apps/ build
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership. The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################/
+
+ifneq ($(CONFIG_SDR_LIQUID_DSP),)
+CONFIGURED_APPS += $(APPDIR)/sdr/liquid_dsp
+
+CFLAGS += ${shell $(INCDIR) $(INCDIROPT) "$(CC)" \
+ $(APPDIR)/sdr/liquid_dsp/liquid-dsp/src}
+CXXFLAGS += ${shell $(INCDIR) $(INCDIROPT) "$(CC)" \
+ $(APPDIR)/sdr/liquid_dsp/liquid-dsp/src}
Review Comment:
```suggestion
$(APPDIR)/sdr/liquid_dsp/liquid-dsp/include}
```
##########
sdr/liquid_dsp/Make.defs:
##########
@@ -0,0 +1,29 @@
+############################################################################
+# apps/sdr/liquid_dsp/Make.defs
+# Adds selected applications to apps/ build
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership. The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################/
+
+ifneq ($(CONFIG_SDR_LIQUID_DSP),)
+CONFIGURED_APPS += $(APPDIR)/sdr/liquid_dsp
+
+CFLAGS += ${shell $(INCDIR) $(INCDIROPT) "$(CC)" \
+ $(APPDIR)/sdr/liquid_dsp/liquid-dsp/src}
Review Comment:
```suggestion
$(APPDIR)/sdr/liquid_dsp/liquid-dsp/include}
```
##########
sdr/liquid_dsp/Makefile:
##########
@@ -0,0 +1,247 @@
+###########################################################################
+# apps/sdr/liquid_dsp/Makefile
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership. The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################/
+
+include $(APPDIR)/Make.defs
+
+LIQUID_DSP_VERSION = 1.4.0
+LIQUID_DSP_UNPACK = liquid-dsp
+LIQUID_DSP_TARBALL = v$(LIQUID_DSP_VERSION).tar.gz
+LIQUID_DSP_URL_BASE = https://github.com/jgaeddert/liquid-dsp/archive
+LIQUID_DSP_URL = $(LIQUID_DSP_URL_BASE)/$(LIQUID_DSP_TARBALL)
+
+$(LIQUID_DSP_TARBALL):
+ $(Q) echo "Downloading $(LIQUID_DSP_TARBALL)"
+ $(Q) curl -O -L $(LIQUID_DSP_URL)
+
+$(LIQUID_DSP_UNPACK): $(LIQUID_DSP_TARBALL)
+ $(Q) echo "Unpacking $(LIQUID_DSP_TARBALL) to $(LIQUID_DSP_UNPACK)"
+ $(Q) tar xzvf $(LIQUID_DSP_TARBALL)
+ $(Q) mv liquid-dsp-$(LIQUID_DSP_VERSION) $(LIQUID_DSP_UNPACK)
+ $(Q) cp config.h $(LIQUID_DSP_UNPACK)/include
+
+$(LIQUID_DSP_UNPACK)/.patch: $(LIQUID_DSP_UNPACK)
+ $(Q) touch $(LIQUID_DSP_UNPACK)/.patch
+
+VPATH += $(LIBUV_UNPACK)/include
+
+DEPPATH += --dep-path $(LIBUV_UNPACK)/include
+
+CFLAGS += -I$(LIQUID_DSP_UNPACK)/include
Review Comment:
let's add include search path to Make.defs
##########
sdr/liquid_dsp/Makefile:
##########
@@ -0,0 +1,247 @@
+###########################################################################
+# apps/sdr/liquid_dsp/Makefile
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership. The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################/
+
+include $(APPDIR)/Make.defs
+
+LIQUID_DSP_VERSION = 1.4.0
+LIQUID_DSP_UNPACK = liquid-dsp
+LIQUID_DSP_TARBALL = v$(LIQUID_DSP_VERSION).tar.gz
+LIQUID_DSP_URL_BASE = https://github.com/jgaeddert/liquid-dsp/archive
+LIQUID_DSP_URL = $(LIQUID_DSP_URL_BASE)/$(LIQUID_DSP_TARBALL)
+
+$(LIQUID_DSP_TARBALL):
+ $(Q) echo "Downloading $(LIQUID_DSP_TARBALL)"
+ $(Q) curl -O -L $(LIQUID_DSP_URL)
+
+$(LIQUID_DSP_UNPACK): $(LIQUID_DSP_TARBALL)
+ $(Q) echo "Unpacking $(LIQUID_DSP_TARBALL) to $(LIQUID_DSP_UNPACK)"
+ $(Q) tar xzvf $(LIQUID_DSP_TARBALL)
+ $(Q) mv liquid-dsp-$(LIQUID_DSP_VERSION) $(LIQUID_DSP_UNPACK)
+ $(Q) cp config.h $(LIQUID_DSP_UNPACK)/include
+
+$(LIQUID_DSP_UNPACK)/.patch: $(LIQUID_DSP_UNPACK)
+ $(Q) touch $(LIQUID_DSP_UNPACK)/.patch
+
+VPATH += $(LIBUV_UNPACK)/include
+
+DEPPATH += --dep-path $(LIBUV_UNPACK)/include
+
+CFLAGS += -I$(LIQUID_DSP_UNPACK)/include
+CFLAGS += -Wall -std=c99
+CFLAGS += -DM_SQRT1_2=0.7071067811865475244008443621048490
+CFLAGS += -DM_SQRT2=1.4142135623730950488016887242096981
+CFLAGS += -DM_PI=3.1415926535897932384626433832795029
+CFLAGS += -DM_LN2=0.6931471805599453094172321214581765
+CFLAGS += -DM_PI_2=1.5707963267948966192313216916397514
+CFLAGS += -DM_2_PI=0.6366197723675813430755350534900574
+
+
+CSRCS = $(LIQUID_DSP_UNPACK)/src/agc/src/agc_crcf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/agc/src/agc_rrrf.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/audio/src/cvsd.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/buffer/src/bufferf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/buffer/src/buffercf.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/channel/src/channel_cccf.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/dotprod/src/dotprod_cccf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/dotprod/src/dotprod_crcf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/dotprod/src/dotprod_rrrf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/dotprod/src/sumsq.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/equalization/src/equalizer_cccf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/equalization/src/equalizer_rrrf.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/crc.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_conv.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_conv_poly.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_conv_pmatrix.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_conv_punctured.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_golay2412.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_hamming74.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_hamming84.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_hamming128.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_hamming1511.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_hamming3126.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_hamming128_gentab.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_pass.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_rep3.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_rep5.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_rs.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_secded2216.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_secded3932.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_secded7264.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/interleaver.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/packetizer.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/sumproduct.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fft/src/fftf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fft/src/spgramcf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fft/src/spgramf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fft/src/fft_utilities.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/bessel.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/butter.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/cheby1.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/cheby2.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/ellip.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/filter_rrrf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/filter_crcf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/filter_cccf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/firdes.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/firdespm.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/fnyquist.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/gmsk.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/group_delay.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/hM3.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/iirdes.pll.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/iirdes.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/lpc.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/rcos.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/rkaiser.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/rrcos.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/bpacketgen.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/bpacketsync.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/bpresync_cccf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/bsync_rrrf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/bsync_crcf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/bsync_cccf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/detector_cccf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/dsssframegen.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/dsssframesync.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/framedatastats.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/framesyncstats.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/framegen64.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/framesync64.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/flexframegen.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/flexframesync.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/fskframegen.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/fskframesync.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/gmskframegen.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/gmskframesync.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/msourcecf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/ofdmflexframegen.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/ofdmflexframesync.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/presync_cccf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/symstreamcf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/symstreamrcf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/symtrack_cccf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/qdetector_cccf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/qpacketmodem.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/qpilotgen.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/qpilotsync.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/math/src/poly.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/math/src/polyc.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/math/src/polyf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/math/src/polycf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/math/src/math.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/math/src/math.bessel.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/math/src/math.gamma.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/math/src/math.complex.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/math/src/math.trig.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/math/src/modular_arithmetic.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/math/src/poly.findroots.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/math/src/windows.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/matrix/src/matrix.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/matrix/src/matrixf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/matrix/src/matrixc.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/matrix/src/matrixcf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/matrix/src/smatrix.common.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/matrix/src/smatrixb.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/matrix/src/smatrixf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/matrix/src/smatrixi.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/modem/src/ampmodem.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/modem/src/cpfskdem.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/modem/src/cpfskmod.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/modem/src/fskdem.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/modem/src/fskmod.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/modem/src/gmskdem.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/modem/src/gmskmod.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/modem/src/modemcf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/modem/src/modem_utilities.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/modem/src/modem_apsk_const.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/modem/src/modem_arb_const.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/multichannel/src/firpfbch_crcf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/multichannel/src/firpfbch_cccf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/multichannel/src/ofdmframe.common.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/multichannel/src/ofdmframegen.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/multichannel/src/ofdmframesync.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/nco/src/nco_crcf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/nco/src/nco.utilities.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/nco/src/synth_crcf.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/optim/src/chromosome.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/optim/src/gasearch.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/optim/src/gradsearch.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/optim/src/optim.common.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/optim/src/qnsearch.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/optim/src/utilities.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/quantization/src/compand.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/quantization/src/quantizercf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/quantization/src/quantizerf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/quantization/src/quantizer.inline.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/random/src/rand.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/random/src/randn.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/random/src/randexp.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/random/src/randweib.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/random/src/randgamma.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/random/src/randnakm.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/random/src/randricek.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/random/src/scramble.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/sequence/src/bsequence.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/sequence/src/msequence.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/utility/src/bshift_array.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/utility/src/byte_utilities.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/utility/src/msb_index.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/utility/src/pack_bytes.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/utility/src/shift_array.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/utility/src/utility.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/vector/src/vectorf_add.port.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/vector/src/vectorf_norm.port.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/vector/src/vectorf_mul.port.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/vector/src/vectorf_trig.port.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/vector/src/vectorcf_add.port.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/vector/src/vectorcf_norm.port.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/vector/src/vectorcf_mul.port.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/vector/src/vectorcf_trig.port.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/libliquid.c
+
+context:: $(LIQUID_DSP_UNPACK)/.patch
+
+distclean::
+ $(call DELDIR, $(LIQUID_DSP_UNPACK))
+ $(call DELFILE, $(LIQUID_DSP_TARBALL))
+
+include $(APPDIR)/Application.mk
Review Comment:
add new line
##########
sdr/liquid_dsp/Makefile:
##########
@@ -0,0 +1,247 @@
+###########################################################################
+# apps/sdr/liquid_dsp/Makefile
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership. The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################/
+
+include $(APPDIR)/Make.defs
+
+LIQUID_DSP_VERSION = 1.4.0
+LIQUID_DSP_UNPACK = liquid-dsp
+LIQUID_DSP_TARBALL = v$(LIQUID_DSP_VERSION).tar.gz
+LIQUID_DSP_URL_BASE = https://github.com/jgaeddert/liquid-dsp/archive
+LIQUID_DSP_URL = $(LIQUID_DSP_URL_BASE)/$(LIQUID_DSP_TARBALL)
+
+$(LIQUID_DSP_TARBALL):
+ $(Q) echo "Downloading $(LIQUID_DSP_TARBALL)"
+ $(Q) curl -O -L $(LIQUID_DSP_URL)
+
+$(LIQUID_DSP_UNPACK): $(LIQUID_DSP_TARBALL)
+ $(Q) echo "Unpacking $(LIQUID_DSP_TARBALL) to $(LIQUID_DSP_UNPACK)"
+ $(Q) tar xzvf $(LIQUID_DSP_TARBALL)
+ $(Q) mv liquid-dsp-$(LIQUID_DSP_VERSION) $(LIQUID_DSP_UNPACK)
+ $(Q) cp config.h $(LIQUID_DSP_UNPACK)/include
+
+$(LIQUID_DSP_UNPACK)/.patch: $(LIQUID_DSP_UNPACK)
+ $(Q) touch $(LIQUID_DSP_UNPACK)/.patch
+
+VPATH += $(LIBUV_UNPACK)/include
+
+DEPPATH += --dep-path $(LIBUV_UNPACK)/include
+
+CFLAGS += -I$(LIQUID_DSP_UNPACK)/include
+CFLAGS += -Wall -std=c99
+CFLAGS += -DM_SQRT1_2=0.7071067811865475244008443621048490
+CFLAGS += -DM_SQRT2=1.4142135623730950488016887242096981
+CFLAGS += -DM_PI=3.1415926535897932384626433832795029
+CFLAGS += -DM_LN2=0.6931471805599453094172321214581765
+CFLAGS += -DM_PI_2=1.5707963267948966192313216916397514
+CFLAGS += -DM_2_PI=0.6366197723675813430755350534900574
Review Comment:
let's move the common macro to:
https://github.com/apache/nuttx/blob/master/include/nuttx/lib/math.h#L106-L126
##########
sdr/liquid_dsp/Makefile:
##########
@@ -0,0 +1,247 @@
+###########################################################################
+# apps/sdr/liquid_dsp/Makefile
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership. The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################/
+
+include $(APPDIR)/Make.defs
+
+LIQUID_DSP_VERSION = 1.4.0
+LIQUID_DSP_UNPACK = liquid-dsp
+LIQUID_DSP_TARBALL = v$(LIQUID_DSP_VERSION).tar.gz
+LIQUID_DSP_URL_BASE = https://github.com/jgaeddert/liquid-dsp/archive
+LIQUID_DSP_URL = $(LIQUID_DSP_URL_BASE)/$(LIQUID_DSP_TARBALL)
+
+$(LIQUID_DSP_TARBALL):
+ $(Q) echo "Downloading $(LIQUID_DSP_TARBALL)"
+ $(Q) curl -O -L $(LIQUID_DSP_URL)
+
+$(LIQUID_DSP_UNPACK): $(LIQUID_DSP_TARBALL)
+ $(Q) echo "Unpacking $(LIQUID_DSP_TARBALL) to $(LIQUID_DSP_UNPACK)"
+ $(Q) tar xzvf $(LIQUID_DSP_TARBALL)
+ $(Q) mv liquid-dsp-$(LIQUID_DSP_VERSION) $(LIQUID_DSP_UNPACK)
+ $(Q) cp config.h $(LIQUID_DSP_UNPACK)/include
+
+$(LIQUID_DSP_UNPACK)/.patch: $(LIQUID_DSP_UNPACK)
+ $(Q) touch $(LIQUID_DSP_UNPACK)/.patch
+
+VPATH += $(LIBUV_UNPACK)/include
+
+DEPPATH += --dep-path $(LIBUV_UNPACK)/include
+
+CFLAGS += -I$(LIQUID_DSP_UNPACK)/include
+CFLAGS += -Wall -std=c99
+CFLAGS += -DM_SQRT1_2=0.7071067811865475244008443621048490
+CFLAGS += -DM_SQRT2=1.4142135623730950488016887242096981
+CFLAGS += -DM_PI=3.1415926535897932384626433832795029
+CFLAGS += -DM_LN2=0.6931471805599453094172321214581765
+CFLAGS += -DM_PI_2=1.5707963267948966192313216916397514
+CFLAGS += -DM_2_PI=0.6366197723675813430755350534900574
+
+
+CSRCS = $(LIQUID_DSP_UNPACK)/src/agc/src/agc_crcf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/agc/src/agc_rrrf.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/audio/src/cvsd.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/buffer/src/bufferf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/buffer/src/buffercf.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/channel/src/channel_cccf.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/dotprod/src/dotprod_cccf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/dotprod/src/dotprod_crcf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/dotprod/src/dotprod_rrrf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/dotprod/src/sumsq.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/equalization/src/equalizer_cccf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/equalization/src/equalizer_rrrf.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/crc.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_conv.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_conv_poly.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_conv_pmatrix.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_conv_punctured.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_golay2412.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_hamming74.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_hamming84.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_hamming128.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_hamming1511.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_hamming3126.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_hamming128_gentab.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_pass.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_rep3.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_rep5.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_rs.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_secded2216.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_secded3932.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/fec_secded7264.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/interleaver.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/packetizer.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fec/src/sumproduct.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fft/src/fftf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fft/src/spgramcf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fft/src/spgramf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/fft/src/fft_utilities.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/bessel.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/butter.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/cheby1.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/cheby2.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/ellip.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/filter_rrrf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/filter_crcf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/filter_cccf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/firdes.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/firdespm.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/fnyquist.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/gmsk.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/group_delay.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/hM3.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/iirdes.pll.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/iirdes.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/lpc.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/rcos.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/rkaiser.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/filter/src/rrcos.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/bpacketgen.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/bpacketsync.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/bpresync_cccf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/bsync_rrrf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/bsync_crcf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/bsync_cccf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/detector_cccf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/dsssframegen.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/dsssframesync.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/framedatastats.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/framesyncstats.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/framegen64.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/framesync64.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/flexframegen.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/flexframesync.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/fskframegen.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/fskframesync.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/gmskframegen.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/gmskframesync.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/msourcecf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/ofdmflexframegen.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/ofdmflexframesync.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/presync_cccf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/symstreamcf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/symstreamrcf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/symtrack_cccf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/qdetector_cccf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/qpacketmodem.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/qpilotgen.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/framing/src/qpilotsync.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/math/src/poly.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/math/src/polyc.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/math/src/polyf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/math/src/polycf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/math/src/math.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/math/src/math.bessel.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/math/src/math.gamma.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/math/src/math.complex.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/math/src/math.trig.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/math/src/modular_arithmetic.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/math/src/poly.findroots.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/math/src/windows.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/matrix/src/matrix.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/matrix/src/matrixf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/matrix/src/matrixc.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/matrix/src/matrixcf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/matrix/src/smatrix.common.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/matrix/src/smatrixb.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/matrix/src/smatrixf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/matrix/src/smatrixi.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/modem/src/ampmodem.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/modem/src/cpfskdem.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/modem/src/cpfskmod.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/modem/src/fskdem.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/modem/src/fskmod.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/modem/src/gmskdem.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/modem/src/gmskmod.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/modem/src/modemcf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/modem/src/modem_utilities.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/modem/src/modem_apsk_const.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/modem/src/modem_arb_const.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/multichannel/src/firpfbch_crcf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/multichannel/src/firpfbch_cccf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/multichannel/src/ofdmframe.common.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/multichannel/src/ofdmframegen.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/multichannel/src/ofdmframesync.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/nco/src/nco_crcf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/nco/src/nco.utilities.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/nco/src/synth_crcf.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/optim/src/chromosome.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/optim/src/gasearch.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/optim/src/gradsearch.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/optim/src/optim.common.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/optim/src/qnsearch.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/optim/src/utilities.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/quantization/src/compand.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/quantization/src/quantizercf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/quantization/src/quantizerf.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/quantization/src/quantizer.inline.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/random/src/rand.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/random/src/randn.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/random/src/randexp.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/random/src/randweib.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/random/src/randgamma.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/random/src/randnakm.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/random/src/randricek.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/random/src/scramble.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/sequence/src/bsequence.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/sequence/src/msequence.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/utility/src/bshift_array.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/utility/src/byte_utilities.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/utility/src/msb_index.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/utility/src/pack_bytes.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/utility/src/shift_array.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/utility/src/utility.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/vector/src/vectorf_add.port.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/vector/src/vectorf_norm.port.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/vector/src/vectorf_mul.port.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/vector/src/vectorf_trig.port.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/vector/src/vectorcf_add.port.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/vector/src/vectorcf_norm.port.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/vector/src/vectorcf_mul.port.c
+CSRCS += $(LIQUID_DSP_UNPACK)/src/vector/src/vectorcf_trig.port.c
+
+CSRCS += $(LIQUID_DSP_UNPACK)/src/libliquid.c
+
+context:: $(LIQUID_DSP_UNPACK)/.patch
Review Comment:
let's skip the download if .git exist
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