snapshot

libraries/audio-tools/tests-cmake/generator/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 "${CMAKE_CXX_FLAGS_DEBUG} -O0")
+set (CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -O0")
+
+# 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()
+
+# build sketch as executable
+add_executable (generator generator.cpp)
+
+# set preprocessor defines
+target_compile_definitions(generator PUBLIC -DIS_DESKTOP)
+
+# specify libraries
+target_link_libraries(generator arduino_emulator arduino-audio-tools)
+

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

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+// Simple wrapper for Arduino sketch to compilable with cpp in cmake
+#include "Arduino.h"
+#include "AudioTools.h"
+#include "AudioTools/AudioLibs/StdioStream.h"
+
+//LinuxStdio out;                                     // Output to Desktop
+CsvOutput<int24_t> out(Serial);
+SineWaveGenerator<int24_t> sine_wave;        // subclass of SoundGenerator with max amplitude
+GeneratedSoundStream<int24_t> in_stream(sine_wave); // Stream generated from sine wave
+StreamCopy copier(out, in_stream);                  // copies sound to out
+
+void setup(){
+  Serial.begin(115200);
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
+
+  auto cfg = out.defaultConfig();
+  cfg.bits_per_sample = 24;
+  if (!out.begin(cfg)){
+    stop();
+  }
+
+  sine_wave.begin(cfg.channels, cfg.sample_rate, N_B4);
+  in_stream.begin();
+}
+
+void loop(){
+    copier.copy();
+}
+