lcd_driver.h

实现truly m240128 lcd的驱动,使用 mcu为mega1280

#define LDED0_OFF()  asm ("SBI     0x0E,1\n\t")
#define LDED0_ON()   asm ("CBI     0x0E,1\n\t")
#define LDED1_OFF()  asm ("SBI     0x0E,2\n\t")
#define LDED1_ON()   asm ("CBI     0x0E,2\n\t")
#define LDED2_OFF()  asm ("SBI     0x0E,3\n\t")
#define LDED2_ON()   asm ("CBI     0x0E,3\n\t")
#define b_light_OFF()      PORTJ|=0X80;
#define b_light_ON()       PORTJ&=~(0X80);
#define LCD_WR_HIGH()      asm ("SBI     0x08,2\n\t")
#define LCD_WR_LOW()       asm ("CBI     0x08,2\n\t") 
#define LCDCMD_high()      asm ("SBI     0x08,3\n\t")
#define LCDCMD_low()   	   asm ("CBI     0x08,3\n\t") 
#define LCD_RST_HIGH()     PORTG=(0X04);//;asm ("SBI     0x14,2\n\t")
#define LCD_RST_LOW()      PORTG&=~(0X04);//asm ("CBI     0x14,2\n\t")
#define LCD_e_HIGH()       asm ("SBI     0x08,1\n\t") 
#define LCD_e_LOW()        asm ("CBI     0x08,1\n\t") 

#define LCD_csb_HIGH()      PORTJ|=(0X20);
#define LCD_csb_LOW()       PORTJ&=~(0X20);
#define LCD_csa_HIGH()      PORTJ|=(0X40);
#define LCD_csa_LOW()       PORTJ&=~(0X40);
#define nop() asm("nop\n\t")
#define WatchdogReset() asm("wdr")
#define  FALSE  0x0
#define  TRUE   0x1
void reset_lcd(void);
void delay_us(unsigned int timers);
void init_lcd(void);
unsigned char status_read(void);
void commd_write(unsigned char cmd);
void data_write(unsigned char data);
void Test_character(void);
unsigned char display_on_char(unsigned char row,unsigned char column,unsigned char char_code,unsigned char negitive);
void lcd_cs_screen(unsigned char colomn);
void delay_ns(unsigned char temp);
void shutt_lcd(void);
void open_lcd(void);