M17 code reorganization

CMakeLists.txt

@@ -549,10 +549,7 @@ add_subdirectory(qrtplib)
 add_subdirectory(swagger)
 add_subdirectory(devices)
 add_subdirectory(sdrbench)
-
-if (LINUX)
-    add_subdirectory(modems)
-endif()
+add_subdirectory(modemm17)
 
 if (BUILD_GUI)
     add_subdirectory(sdrgui)

exports/export.h

@@ -139,16 +139,16 @@
 #  define SDRBENCH_API
 #endif
 
-/* the 'M17_API' controls the import/export of 'm17' symbols
+/* the 'MODEMM17_API' controls the import/export of 'modemm17' symbols
  */
 #if !defined(sdrangel_STATIC)
-#  ifdef m17_EXPORTS
-#    define M17_API __SDR_EXPORT
+#  ifdef modemm17_EXPORTS
+#    define MODEMM17_API __SDR_EXPORT
 #  else
-#    define M17_API __SDR_IMPORT
+#    define MODEMM17_API __SDR_IMPORT
 #  endif
 #else
-#  define M17_API
+#  define MODEMM17_API
 #endif
 
 #endif /* __SDRANGEL_EXPORT_H */

modemm17/CMakeLists.txt

@@ -0,0 +1,56 @@
+project(modemm17)
+
+set(modemm17_SOURCES
+    Correlator.cpp
+    FreqDevEstimator.cpp
+    Golay24.cpp
+    M17Demodulator.cpp
+    M17Modulator.cpp
+)
+
+set(modemm17_HEADERS
+    ax25_frame.h
+    CarrierDetect.h
+    ClockRecovery.h
+    Convolution.h
+    Correlator.h
+    CRC16.h
+    DataCarrierDetect.h
+    DeviationError.h
+    Filter.h
+    FirFilter.h
+    FreqDevEstimator.h
+    FrequencyError.h
+    Fsk4Demod.h
+    Golay24.h
+    IirFilter.h
+    LinkSetupFrame.h
+    M17Demodulator.h
+    M17FrameDecoder.h
+    M17Framer.h
+    M17Modulator.h
+    M17Randomizer.h
+    M17Synchronizer.h
+    PhaseEstimator.h
+    PolynomialInterleaver.h
+    queue.h
+    SlidingDFT.h
+    SymbolEvm.h
+    Trellis.h
+    Util.h
+    Viterbi.h
+)
+
+include_directories(
+    ${CMAKE_SOURCE_DIR}/exports
+)
+
+add_library(modemm17 SHARED
+	${modemm17_SOURCES}
+)
+
+target_link_libraries(modemm17
+    Qt5::Core
+)
+
+install(TARGETS modemm17 DESTINATION ${INSTALL_LIB_DIR})

modemm17/Correlator.h

@@ -18,7 +18,7 @@
 
 namespace modemm17 {
 
-struct M17_API Correlator
+struct MODEMM17_API Correlator
 {
 	static constexpr size_t SYMBOLS = 8;
 	static constexpr size_t SAMPLES_PER_SYMBOL = 10;

modemm17/FreqDevEstimator.h

@@ -26,7 +26,7 @@ namespace modemm17 {
  * Estimates are expected to be updated at each sync word.  But they can
  * be updated more frequently, such as during the preamble.
  */
-class M17_API FreqDevEstimator
+class MODEMM17_API FreqDevEstimator
 {
     using sample_filter_t = BaseIirFilter<3>;
 

modemm17/Golay24.h

@@ -81,7 +81,7 @@ constexpr array<T, N> sort(array<T, N> array)
 } // Golay24_detail
 
 
-struct M17_API Golay24
+struct MODEMM17_API Golay24
 {
     #pragma pack(push, 1)
     struct SyndromeMapEntry

modemm17/M17Demodulator.h

@@ -22,7 +22,7 @@
 
 namespace modemm17 {
 
-struct M17_API M17Demodulator
+struct MODEMM17_API M17Demodulator
 {
 	static const uint16_t SAMPLE_RATE = 48000;
 	static const uint16_t SYMBOL_RATE = 4800;

modemm17/Trellis.h

@@ -14,7 +14,7 @@
 namespace modemm17
 {
 
-inline constexpr std::array<int8_t, 61> make_p1() {
+inline std::array<int8_t, 61> make_p1() {
     std::array<int8_t, 61> result{};
     for (size_t i = 0, j = 2; i != 61; ++i) {
         if (i == j) {
@@ -107,7 +107,7 @@ struct CostTable
     using cost_table_t = std::array<std::array<uint8_t, InputValues>, K>;
 
     template <typename Trellis_>
-    static constexpr cost_table_t makeCostTable(const Trellis_& trellis)
+    static constexpr cost_table_t makeCostTable()
     {
         cost_table_t result;
         for (size_t i = 0; i != K; ++i)

modemm17/Util.h

@@ -146,7 +146,10 @@ auto llr(float sample)
 template <size_t M, typename T, size_t N, typename U, size_t IN>
 auto depunctured(std::array<T, N> puncture_matrix, std::array<U, IN> in)
 {
-    static_assert(M % N == 0);
+    if (M % N != 0) {
+        return;
+    }
+
     std::array<U, M> result;
     size_t index = 0;
     size_t pindex = 0;

modems/CMakeLists.txt

@@ -1,56 +0,0 @@
-project(modems)
-
-set(modems_SOURCES
-    m17/Correlator.cpp
-    m17/FreqDevEstimator.cpp
-    m17/Golay24.cpp
-    m17/M17Demodulator.cpp
-    m17/M17Modulator.cpp
-)
-
-set(modems_HEADERS
-    m17/ax25_frame.h
-    m17/CarrierDetect.h
-    m17/ClockRecovery.h
-    m17/Convolution.h
-    m17/Correlator.h
-    m17/CRC16.h
-    m17/DataCarrierDetect.h
-    m17/DeviationError.h
-    m17/Filter.h
-    m17/FirFilter.h
-    m17/FreqDevEstimator.h
-    m17/FrequencyError.h
-    m17/Fsk4Demod.h
-    m17/Golay24.h
-    m17/IirFilter.h
-    m17/LinkSetupFrame.h
-    m17/M17Demodulator.h
-    m17/M17FrameDecoder.h
-    m17/M17Framer.h
-    m17/M17Modulator.h
-    m17/M17Randomizer.h
-    m17/M17Synchronizer.h
-    m17/PhaseEstimator.h
-    m17/PolynomialInterleaver.h
-    m17/queue.h
-    m17/SlidingDFT.h
-    m17/SymbolEvm.h
-    m17/Trellis.h
-    m17/Util.h
-    m17/Viterbi.h
-)
-
-include_directories(
-    ${CMAKE_SOURCE_DIR}/exports
-)
-
-add_library(modems SHARED
-	${modems_SOURCES}
-)
-
-target_link_libraries(modems
-    Qt5::Core
-)
-
-install(TARGETS modems DESTINATION ${INSTALL_LIB_DIR})

plugins/channelrx/CMakeLists.txt

@@ -97,7 +97,7 @@ if (ENABLE_CHANNELRX_DEMODFREEDV AND CODEC2_FOUND)
     add_subdirectory(demodfreedv)
 endif()
 
-if (LINUX AND ENABLE_CHANNELRX_DEMODM17 AND CODEC2_FOUND)
+if (ENABLE_CHANNELRX_DEMODM17 AND CODEC2_FOUND)
     add_subdirectory(demodm17)
 endif()
 

plugins/channelrx/demodm17/CMakeLists.txt

@@ -27,7 +27,7 @@ set(m17_HEADERS
 include_directories(
     ${CMAKE_SOURCE_DIR}/swagger/sdrangel/code/qt5/client
     ${CODEC2_INCLUDE_DIR}
-    ${CMAKE_SOURCE_DIR}/modems
+    ${CMAKE_SOURCE_DIR}/modemm17
 )
 
 if(NOT SERVER_MODE)
@@ -69,7 +69,7 @@ target_link_libraries(${TARGET_NAME}
 	${TARGET_LIB_GUI}
     swagger
     ${CODEC2_LIBRARIES}
-    modems
+    modemm17
 )
 
 install(TARGETS ${TARGET_NAME} DESTINATION ${INSTALL_FOLDER})

plugins/channelrx/demodm17/m17demodprocessor.cpp

@@ -25,7 +25,7 @@
 #include "audio/audiofifo.h"
 #include "util/ax25.h"
 
-#include "m17/ax25_frame.h"
+#include "ax25_frame.h"
 #include "m17demod.h"
 #include "m17demodprocessor.h"
 

plugins/channelrx/demodm17/m17demodprocessor.h

@@ -21,7 +21,7 @@
 #include <QObject>
 
 #include "audio/audiocompressor.h"
-#include "m17/M17Demodulator.h"
+#include "M17Demodulator.h"
 #include "m17demodfilters.h"
 
 class AudioFifo;

plugins/channeltx/CMakeLists.txt

@@ -63,6 +63,6 @@ if (ENABLE_CHANNELTX_MODFREEDV AND CODEC2_FOUND)
     add_subdirectory(modfreedv)
 endif()
 
-if (LINUX AND ENABLE_CHANNELTX_MODM17 AND CODEC2_FOUND)
+if (ENABLE_CHANNELTX_MODM17 AND CODEC2_FOUND)
     add_subdirectory(modm17)
 endif()

plugins/channeltx/modm17/CMakeLists.txt

@@ -29,7 +29,7 @@ set(modm17_HEADERS
 include_directories(
     ${CMAKE_SOURCE_DIR}/swagger/sdrangel/code/qt5/client
     ${CODEC2_INCLUDE_DIR}
-    ${CMAKE_SOURCE_DIR}/modems
+    ${CMAKE_SOURCE_DIR}/modemm17
 )
 
 if(NOT SERVER_MODE)
@@ -69,7 +69,7 @@ target_link_libraries(${TARGET_NAME}
 	${TARGET_LIB_GUI}
     swagger
     ${CODEC2_LIBRARIES}
-    modems
+    modemm17
 )
 
 install(TARGETS ${TARGET_NAME} DESTINATION ${INSTALL_FOLDER})

plugins/channeltx/modm17/m17modprocessor.cpp

@@ -17,7 +17,7 @@
 
 #include <codec2/codec2.h>
 
-#include "m17/M17Modulator.h"
+#include "M17Modulator.h"
 #include "maincore.h"
 
 #include "m17modax25.h"

plugins/channeltx/modm17/m17modprocessor.h

@@ -21,7 +21,7 @@
 #include <QObject>
 #include <QByteArray>
 
-#include "m17/M17Modulator.h"
+#include "M17Modulator.h"
 #include "dsp/dsptypes.h"
 #include "util/message.h"
 #include "util/messagequeue.h"