Initial import

modulator.h

@@ -0,0 +1,38 @@
+/* 
+ * File:   modulator.h
+ */
+
+#ifndef MODULATOR_H
+#define	MODULATOR_H
+
+#ifdef __XC16
+#include <dsp.h>
+#else
+typedef int16_t fractional;
+#define _Q15 _Q15sinPI(_Q15);
+#endif
+
+#include <stdint.h>
+#include "modem.h"
+
+typedef struct {
+    fractional increment;
+    fractional offset;
+    fractional gain;
+} rotor_symbol;
+
+extern rotor_symbol rotor_constellation[MAX_MODULATION_ALPHABET_SIZE];
+extern rotor_symbol silence;
+
+// buffer dei simboli
+extern uint8_t tx_symbol_buffer[MAX_SYMBOL_BUFFER_SIZE];
+extern uint8_t tx_symbol_buffer_index, tx_symbol_buffer_lenght;
+
+// protoz
+void modulator_setup(void);
+void modulator_generate_sample_buffer(fractional *Q_buffer, fractional *I_buffer, uint8_t size, rotor_symbol symbol);
+void modulator_prepare_constellation_symbols(symbol *constellation, rotor_symbol *mod_constellation);
+void set_GPIO_bit(uint8_t symbol);
+
+#endif	/* MODULATOR_H */
+