lcd_drv.h

天然气报警器 采用51控制 可以控制2路开关

#ifndef  LCD_DRV_H
#define  LCD_DRV_H

#define uint8 unsigned char 

#define  PCF8576          0X70
#define  COMMAND          0X80
#define  DATA             0X00
#define  DEVICE_LIMIT     0X07
#define  DEVICE_SELECT    0X60
#define  BLINK            0X70
#define  MODE             0X40 

#define  COLON            0X80


extern uint8 code asc[];



extern void PCF8576Init(void);
extern void Delay(unsigned int Delx)  ;
extern void SetMode(uint8 device,uint8 work_mode);
extern void SetBlink(uint8 device,uint8  blink_mode);
extern void Display(uint8 device,uint8 address,uint8 Data);
extern void ClearLCD(void);
extern void PutChar(uint8 ascii_code,uint8 address,uint8 col);

#endif