#ifndef __common_h__
#define __common_h__

// to enable serial-port debugging:
//#define DEBUG

// to enable MP3 auto-play from FLASH:
//#define MP3_FLASH_LOAD
//#define MP3_FLASH_LENGTH 32496 // number of bytes

// to additionally enable MP3-from-FLASH testing
#ifdef MP3_FLASH_LOAD

#asm
    .equ __mp3_flash_addr=0x8000
    .equ __mp3_flash_length=32496
    .equ __mp3_buf_addr=0x1000
#endasm

#endif

#ifdef DEBUG
#include <stdio.h>
#endif

#define HIGH         1
#define LOW          0

#define TRUE         1
#define FALSE        0

/* Use an 1x16 alphanumeric LCD connected
   to PORTD as follows:
   
  [LCD]   [ATmega103]
   1 GND- 20 GND
   2 +5V- 40 VCC
   3 VLC 10k trimpot wiper (trimpot ends go to +5 and gnd) 
   4 RS - 21 PD0
   5 RD - 22 PD1
   6 EN - 23 PD2
  11 D4 - 25 PD4
  12 D5 - 26 PD5
  13 D6 - 27 PD6
  14 D7 - 28 PD7 
*/
  
#asm
    .equ __lcd_port=0x12
#endasm

#include <lcd.h> // LCD driver routines

void lcd_line2(char flash * p) {
      lcd_gotoxy(0,1);
      lcd_putsf("                        ");
      lcd_gotoxy(0,1);
      lcd_putsf(p);
}

#ifdef MP3_FLASH_LOAD
/*
void copy_ram_buffer() {

#asm
  push XL
  push XH
  push ZL
  push ZH
  push r15
  push r16
  push r17
  push r18
  ldi XL, low(__mp3_buf_addr)
  ldi XH, high(__mp3_buf_addr)
  ldi ZL, low(__mp3_flash_addr*2)
  ldi ZH, high(__mp3_flash_addr*2)
  ldi r15, low(__mp3_flash_length)
  ldi r16, high(__mp3_flash_length)
  __copy_ram_buffer_copy_loop:
  lpm r17,Z
  lpm r18,Z
  adiw Z, 2
  st  r18,X+
  st  r17,X+
  sbi r15, 2
  sbci r16, 0
  cpi r16, 0
  brne __copy_ram_buffer_copy_loop
  cpi r15, 0
  brne __copy_ram_buffer_copy_loop
  pop r18
  pop r17
  pop r16
  pop r15
  pop ZH
  pop ZL
  pop XH
  pop XL
#endasm

}
*/
#endif

#define BOOL unsigned char
#define BYTE unsigned char
#define WORD unsigned int
#define DWRD unsigned long

#endif