Add sine wave generator

4 files changed, 97 insertions, 0 deletions

diff --git a/daemon/CMakeLists.txt b/daemon/CMakeLists.txt
index 54d3950..6a01e15 100644
--- a/daemon/CMakeLists.txt
+++ b/daemon/CMakeLists.txt
@@ -4,6 +4,7 @@ add_executable(${PROJECT_NAME}
 	src/daemon.cpp
 	src/Gpio.cpp
 	src/Memory.cpp
+	src/Sinewave.cpp
 	)
 target_link_libraries(${PROJECT_NAME}
 	PRIVATE rpclib::rpc
diff --git a/daemon/src/Sinewave.cpp b/daemon/src/Sinewave.cpp
new file mode 100644
index 0000000..de63553
--- /dev/null
+++ b/daemon/src/Sinewave.cpp
@@ -0,0 +1,59 @@
+#include "Sinewave.h"
+
+Sinewave::Sinewave()
+{
+	m_start_time = std::chrono::high_resolution_clock::now();
+
+	m_amplitude = 11;
+	m_frequency = 10;
+	m_phase = 30;
+}
+
+void Sinewave::apply(AssemblyContext ctx)
+{
+	ctx.bind("/set_amplitude", [&](double amplitude) { set_amplitude(amplitude); });
+	ctx.bind("/set_frequency", [&](double frequency) { set_frequency(frequency); });
+	ctx.bind("/set_phase",     [&](double phase)     { set_phase(phase);		   });
+	ctx.bind("/get_amplitude", [&]() -> double { return get_amplitude();  });
+	ctx.bind("/get_frequency", [&]() -> double { return get_frequency();  });
+	ctx.bind("/get_phase",     [&]() -> double { return get_phase();		});
+	ctx.bind("/get_point",     [&]() -> double { return get_point(); });
+}
+
+void Sinewave::set_amplitude(double amplitude)
+{
+	m_amplitude = amplitude;
+}
+
+void Sinewave::set_frequency(double frequency)
+{
+	m_frequency = frequency;
+}
+
+void Sinewave::set_phase(double phase)
+{
+	m_phase = phase;
+}
+
+double Sinewave::get_amplitude() const
+{
+	return m_amplitude;
+}
+
+double Sinewave::get_frequency() const
+{
+	return m_frequency;
+}
+
+double Sinewave::get_phase() const
+{
+	return m_phase;
+}
+
+double Sinewave::get_point()
+{
+	m_current_time = std::chrono::high_resolution_clock::now();
+	m_duration_time = m_current_time - m_start_time;
+
+	return m_amplitude * sin(2 * 3.14 * m_frequency * m_duration_time.count() + m_phase);
+}
diff --git a/daemon/src/Sinewave.h b/daemon/src/Sinewave.h
new file mode 100644
index 0000000..d8988ad
--- /dev/null
+++ b/daemon/src/Sinewave.h
@@ -0,0 +1,33 @@
+#pragma once
+
+#include <string>
+#include <math.h>
+#include <chrono>
+
+#include "Assembly.h"
+
+class Sinewave {
+
+public:
+	Sinewave();
+
+	void apply(AssemblyContext ctx);
+
+	void set_amplitude(double amplitude);
+	void set_frequency(double frequency);
+	void set_phase(double phase);
+
+	double get_amplitude() const;
+	double get_frequency() const;
+	double get_phase() const;
+
+private:
+	std::chrono::time_point<std::chrono::high_resolution_clock> m_start_time, m_current_time;
+	std::chrono::duration<double> m_duration_time;
+
+	double m_amplitude;
+	double m_frequency;
+	double m_phase;
+
+	double get_point();
+};
diff --git a/daemon/src/daemon.cpp b/daemon/src/daemon.cpp
index 28b95a4..1b9dcab 100644
--- a/daemon/src/daemon.cpp
+++ b/daemon/src/daemon.cpp
@@ -6,10 +6,12 @@
 #include "Assembly.h"
 #include "Gpio.h"
 #include "Memory.h"
+#include "Sinewave.h"
 
 
 static Gpio gpio;
 static Memory memory;
+static Sinewave sinewave;
 
 
 int main(int, char **)
@@ -18,5 +20,7 @@ int main(int, char **)
 	Assembly assembly {server};
 	assembly.add("gpio", gpio);
 	assembly.add("memory", memory);
+	assembly.add("sinewave", sinewave);
+
 	server.run();
 }