/*H**************************************************************************
* NAME: clock.h
*----------------------------------------------------------------------------
* Copyright (c) 2003 Atmel.
*----------------------------------------------------------------------------
* RELEASE: snd1c-refd-nf-4_0_3
* REVISION: 1.4
*----------------------------------------------------------------------------
* PURPOSE:
* This file contains the clock definition
*****************************************************************************/
#ifndef _CLOCK_H_
#define _CLOCK_H_
/*_____ I N C L U D E S ____________________________________________________*/
#include "lib_mcu\pll\pll_drv.h" /* clock driver definition */
/*_____ M A C R O S ________________________________________________________*/
#define _256Fs 0 /* HLR = 0 => 256 Fs */
#define _384Fs 1 /* HLR = 1 => 384 Fs */
#define VOC_FREQ 3 /* 8 KHz index in freq tables */
#define USB_FREQ 7 /* 96 MHz index for USB */
/*_____ D E F I N I T I O N ________________________________________________*/
/* Fpll = Fosc * (R+1) / (N+1) */
typedef struct { Uint16 r_div; /* pll R divider */
Byte n_div; /* pll N divider */
Byte mp3_div; /* mp3 clock - 1 divider */
Byte aud_div; /* audio clock - 1 divider */
Byte dac_over; /* 256 or 384 Fs oversampling freq */
} St_clock;
/*_____ D E C L A R A T I O N ______________________________________________*/
void clock_song_init (Byte);
void clock_voice_init (void);
void clock_usb_init (void);
void clock_disable (void);
#endif /* _CLOCK_H_ */
