lcd_driver.h

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#define LCD_home() LCD_rowcol(0,0)

#define lcd27  2  
#define MAXCOLN  128
#define MAXROWN  8 
                                                    
#define LCD_ADDRESS_BIT  0x0080  /* bit 7 is the LCD address bit */  
#define LCD_PORT_NUMBER  1

extern unsigned int max_row,max_col;    
extern unsigned int cur_row, cur_col;
extern unsigned int display_type;    
extern unsigned int contrast;    /* Used to set LCD contrast adjustment */

void LCD_rowcol(unsigned int row, unsigned int col);
void LCD_clear(unsigned int data);
void LCD_disp(unsigned int *buf);
void set_CLKR1_low(void);
void set_CLKR1_high(void);    
void set_codec_cs_low(void);
void set_codec_cs_high(void);
void wr_lcd_serial(unsigned add,unsigned data);
int read_mcbsp_rx_status(void);
int read_mcbsp_tx_status(void);