snapshot

libraries/audio-tools/tests-cmake/miniaudio/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.20)
+
+
+# set the project name
+project(generator)
+set (CMAKE_CXX_STANDARD 11)
+set (DCMAKE_CXX_FLAGS "-Werror")
+set (CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -O0 -ldl -lpthread -lm")
+set (CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -O0 -ldl -lpthread -lm")
+
+# Emulator is not necessary for -DIS_MIN_DESKTOP
+set(ADD_ARDUINO_EMULATOR OFF CACHE BOOL "Add Arduino Emulator Library") 
+set(ADD_PORTAUDIO OFF CACHE BOOL "No Portaudio") 
+
+# Build with arduino-audio-tools
+if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
+    add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/../.. ${CMAKE_CURRENT_BINARY_DIR}/arduino-audio-tools )
+endif()
+
+# Download miniaudio.h
+file(DOWNLOAD https://raw.githubusercontent.com/mackron/miniaudio/master/miniaudio.h
+    ${CMAKE_CURRENT_SOURCE_DIR}/miniaudio.h)
+
+
+# build sketch as executable
+add_executable (generator generator.cpp)
+
+# set preprocessor defines
+target_compile_definitions(generator PUBLIC -DIS_MIN_DESKTOP)
+
+# specify libraries
+target_link_libraries(generator arduino-audio-tools)
+
+# access to miniaudio in sketch directory
+target_include_directories(generator PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
+

libraries/audio-tools/tests-cmake/miniaudio/generator.cpp

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+// Simple wrapper for Arduino sketch to compilable with cpp in cmake
+#include "AudioTools.h"
+#include "AudioTools/AudioLibs/MiniAudioStream.h"
+#include "AudioTools/Disk/SDtdioStream.h"
+
+//LinuxStdio out;                            // Output to stdio on Desktop
+MiniAudioStream out;                         // Output to MiniAudioStream
+SineWaveGenerator<int16_t> sine_wave;        // subclass of SoundGenerator with max amplitude
+GeneratedSoundStream<int16_t> in_stream(sine_wave); // Stream generated from sine wave
+StreamCopy copier(out, in_stream);                  // copies sound to out
+
+void setup(){
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
+
+  auto cfg = out.defaultConfig(TX_MODE);
+  //cfg.sample_rate = 22000;
+  if (!out.begin(cfg)){
+    stop();
+  }
+
+  sine_wave.begin(cfg, N_B4);
+  in_stream.begin();
+}
+
+void loop(){
+    copier.copy();
+}
+