#ifndef __sta013_h__
#define __sta013_h__

#include "common.h"

//#define INIT_FLASH_ADDR 0x6000
#define INIT_EEPROM_ADDR 0x0000

/*
 * Port access macros for easier changing of pin assignments
 */
 
#define RESET         PORTB.0
#define RESET_DIR     DDRB.0
#define SDA           PORTB.3
#define SDA_PIN       PINB.3
#define SDA_DIR       DDRB.3
#define SCL           PORTB.4
#define SCL_DIR       DDRB.4
#define SDI           PORTB.2
#define SDI_DIR       DDRB.2

#asm
.equ __sdi_port     = 0x18
.equ __sdi_port_sub = 2
#endasm

#define SCKR          PORTB.5
#define SCKR_DIR      DDRB.5

#asm
.equ __sckr_port    = 0x18
.equ __sckr_port_sub= 5
#endasm

#define DATAREQ_PIN   PINF.6
#define RESET_OUT(x)  RESET = x
#define SDA_OUT(x)    SDA = ((x) & 1)
#define SCL_OUT(x)    SCL = x
#define SDI_OUT(x)    SDI = ((x) & 1)
#define SCKR_OUT(x)   SCKR = x
#define DATAREQ_IN    DATAREQ_PIN
#define SDA_IN        SDA_PIN

#define SDA_MODE_OUT  {SDA_DIR = 1;}
#define SDA_MODE_IN   {SDA_DIR = 0; SDA = 1;}

#define RESET_DELAY_0 20000
#define RESET_DELAY_1 20000

#define DETECT_RETRY  20

#define BI2C_WAIT #asm("nop")
//#define BI2C_WAIT wait(100)

/*
 * STA013 port definitions
 */

#define DLA           0x46
#define DLB           0x47
#define DRA           0x48
#define DRB           0x49
#define MFSFDF_411    0x50
#define PLLFRAC_411_L 0x51
#define PLLFRAC_411_R 0x52
#define PCMDIVIDER    0x54
#define PCMCONF       0x55
#define MSFDF_X       0x61
#define DAC_CLK_MODE  0x63
#define PLLFRAC_L     0x64
#define PLLFRAC_H     0x65
#define PLLCTRL       0x05
#define REG0x06       0x06
#define REG0x0B       0x0B
#define HEADH         0x43
#define HEADM         0x44
#define HEADL         0x45

bit ACK = TRUE;

char volume; // (0..10)

void wait(int reps);

char bi2c_get(char addr);

void bi2c_put(char addr, char data);

 
void setVolume(char vol);

void incVolume();

void decVolume();

void sta013init();

void play(char data);

#endif