Subversion Repositories mips32r1

#ifndef __PIEZO_H__

#define __PIEZO_H__

#include <stdint.h>

#define PIEZO_ADDRESS 0xA0000000

/* Following are defined for a 100 MHz Piezo driver */

#define C0      3058104

#define C1      1529052

#define C4      191110

#define C4s     180388

#define D4f     C4s

#define D4      170264

#define D4s     160705

#define E4f     D4s

#define E4      151685

#define F4      143172

#define F4s     135138

#define G4f     F4s

#define G4      127551

#define G4s     120395

#define A4f     G4s

#define A4      113636

#define A4s     107259

#define B4f     A4s

#define B4      101239

#define C5      95557

#define C5s     90192

#define D5f     C5s

#define D5      85131

#define D5s     80354

#define E5f     D5s

#define E5      75843

#define C8      11945

void Piezo_set(uint32_t count, int enable);

void Piezo_play(uint32_t note);

#endif