--- /dev/null
+#ifndef _CONFIG_H
+#define _CONFIG_H 1
+
+#define BASE_PITCH 440.0
+#define SAMPLE_RATE 22050
+#define FFT_LENGTH 4096 /* in samples */
+#define PAD_FACTOR 2 /* 1/pf of the FFT samples are real samples, the rest are padding */
+#define OVERLAP 4 /* 1/ol samples will be replaced in the buffer every frame. Should be
+ * a multiple of 2 for the Hamming window (see
+ * http://www-ccrma.stanford.edu/~jos/parshl/Choice_Hop_Size.html).
+ */
+
+#define EQUAL_TEMPERAMENT 0
+#define WELL_TEMPERED_GUITAR 1
+
+#define TUNING WELL_TEMPERED_GUITAR
+
+#endif /* !defined(_CONFIG_H) */
#include <stdlib.h>
#include <unistd.h>
+#include "config.h"
+#include "notes.h"
#include "linux_audio.h"
#include "pitchdetector.h"
-#define BASE_PITCH 440.0
-#define SAMPLE_RATE 22050
-#define FFT_LENGTH 4096 /* in samples */
-#define PAD_FACTOR 2 /* 1/pf of the FFT samples are real samples, the rest are padding */
-#define OVERLAP 4 /* 1/ol samples will be replaced in the buffer every frame. Should be
- * a multiple of 2 for the Hamming window (see
- * http://www-ccrma.stanford.edu/~jos/parshl/Choice_Hop_Size.html).
- */
-
-#define EQUAL_TEMPERAMENT 0
-#define WELL_TEMPERED_GUITAR 1
-
-#define TUNING WELL_TEMPERED_GUITAR
-
void print_spectrogram(double freq, double amp);
void write_sine(int dsp_fd, double freq, unsigned num_samples);