Cleanup

src/ergodox.cpp

@@ -51,6 +51,9 @@ Ergodox& Ergodox::init(
 	return Instance;
 }
 
+
+// Instance is a static function variable,
+// and will be deleted at end of program.
 Ergodox::~Ergodox() {
 	close();
 	hid_exit();

src/signal_processing/fft.hpp

@@ -43,9 +43,9 @@ class FFT_Visualizer {
 		// Visualizer parameters
 		///
 
-		// How many bars this visualizer will generate
+		// Horizontal resolution
 		const size_t width;
-		// Resolution of this visualizer's bars.
+		// Vertical resolution
 		const size_t height;
 		// Leftmost frequency in spectrum
 		const double HZ_MIN;

src/test.cpp

@@ -44,7 +44,25 @@ const size_t height = 150;
 
 int main(int argc, char *argv[]) {
 
-	uint8_t hid_buf[20];
+	// buffer size for waveform:
+	// (44100 / fps * 10), make 10 bigger for slower scrolling
+	//
+	// Double both buffer sizes if stereo
+
+	// FFT generator
+	FFT_Visualizer fft = FFT_Visualizer(
+		width, height,
+		100, 10000
+	);
+
+	// Audio buffer
+	Buffer buf = Buffer(
+		"/tmp/mpd.fifo",
+		44100 / 2, // Keep 500ms of data in buffer
+		fft.compute_buffer_output_size()
+	);
+
+	// HID interface wrapper
 	Ergodox Dox = Ergodox::init(
 		0x3297,
 		0x4976,
@@ -52,34 +70,13 @@ int main(int argc, char *argv[]) {
 		0xFF60
 	);
 
-	// buffer size for waveform:
-	// (44100 / fps * 10), make 10 bigger for slower scrolling
-	//
-	// Double both buffer sizes if stereo
+	// Data buffer
+	uint8_t hid_buf[12];
 
-	FFT_Visualizer fft = FFT_Visualizer(
-		width, height,
-		100, 10000
-	);
-
-	std::vector<size_t> waveform;
-	waveform.resize(width);
-
-	Buffer buf = Buffer(
-		"/tmp/mpd.fifo",
-		//"/home/mark/Workbench/sospi/pulse.fifo",
-		44100 / 2, // Keep 500ms of data in buffer
-		fft.compute_buffer_output_size()
-	);
-
-	Bitmap b = Bitmap(width, height);
 
 	while (1) {
-		//b.clear();
 		buf.update();
 		fft.update(buf);
-		//draw_spectrum_bitmap(fft.get_output(), b);
-		//b.save("/tmp/o.bmp");
 
 		hid_buf[0] = 0x01;
 		hid_buf[1] = 0x02;
@@ -92,5 +89,6 @@ int main(int argc, char *argv[]) {
 
 		Dox.write(hid_buf, 12);
 	}
+
 	return 0;
 }