/***********************************************************************
Port, PINS and LCD defines 
***********************************************************************/
// Data port
#define LCDDATAPIN 	   PINA
#define LCDDATADDR     DDRA
#define LCDDATAPORT    PORTA
// Control port

#define LCDCTLPIN 	   PINC     
#define LCDCTLDDR	   DDRC
#define LCDCTLPORT	   PORTC


// Control pins
#define RST			   0x40  
#define RD             0x08
#define WR             0x10
#define A0             0x20  

#define CSEL           0x7f 
  
// LCD display data
#define LCD_X_SIZE     320
#define LCD_Y_SIZE     240
#define LCD_XTAL       10,000,000

#define  AP  40                 //一行8點320/4=40個字節

#define SYSTEM_SET  (0x40)
#define SCROLL      (0x44)
#define SLEEP_IN    (0x53)
#define DISP_ON     (0x59)
#define DISP_OFF    (0x58)
#define OVLAY       (0x5b)
#define HDOT_SCR    (0x5a)
#define CSRFORM     (0x5d)
#define CGRAM_ADR   (0x5c)
#define CSR_RIGHT   (0x4c)
#define CSR_LEFT    (0x4d)
#define CSR_UP      (0x4e)
#define CSR_DOWN    (0x4f)
#define CSRW        (0x46)
#define CSRR        (0x47)
#define MWRITE      (0x42)
#define MREAD       (0x43)

/***********************************************************************
Prototypes
***********************************************************************/
// General LCD functions
extern unsigned char lcd_read_data(void);
extern void lcd_write_data(unsigned char data);
extern void lcd_write_command(unsigned char command);
extern void lcd_init(void);
extern void lcd_delay(unsigned int i);
// Text functions
extern void lcd_clear_text(void);
extern void lcd_goto(unsigned char column, unsigned char line);
extern void lcd_write_string(char *ptr);
extern void lcd_show_cursor(unsigned char show);
// Graphic functions
extern void lcd_clear_graphics(void);
extern void lcd_pixel(int x, int y, unsigned char show);
extern void lcd_rectangle(int x1, int y1, int x2, int y2, unsigned char show);
extern void lcd_line(int x1, int y1, int x2, int y2, unsigned char show);
extern void lcd_circle(int x, int y, int radius, unsigned char show);
extern void lcd_degree_line(int x, int y, int degree, int inner_radius, 
                            int outer_radius, unsigned char show);
extern void lcd_chinesechar(int x, int y,unsigned char  const *code1 ,
                     unsigned char width,unsigned char length,unsigned char lcd_fanxian);