define.h

通过键盘输入电子密码锁密码

typedef  unsigned char  uchar;
typedef  unsigned int   uint;

/*读写12232命令数据地址*/
#define W_C_GLCD    XBYTE[0xcfff]
#define W_D_GLCD    XBYTE[0xdfff]
#define R_B_GLCD    XBYTE[0xefff]
#define R_D_GLCD    XBYTE[0xffff]

/*引脚端口定义*/
sbit  DQ    = P3^5;
sbit  SDA   = P1^0;           /* iic数据传送位 */
sbit  SCL   = P1^1;           /* iic时钟控制位 */
sbit  P1_3  = P1^3;
sbit  P1_4  = P1^4;
sbit  P1_5  = P1^5;
sbit  P1_6  = P1^6;
sbit  P1_7  = P1^7;
sbit  P2_0  = P2^0;
sbit  P2_1  = P2^1;
sbit  P2_2  = P2^2;
sbit  P3_6  = P3^6;
sbit  ch451_din  = P3^5;
sbit  ch451_clk  = P3^4;
sbit  ch451_load = P1^2;
sbit  ch451_dout = P3^3;
sbit  bflag = ACC^7;

extern bit flag;
/* 函数声明 */ 
extern void   LED8X8_BRISK(void);
extern void   delay0(void);
extern void   iic_wait(void);              /* iic延时       */
extern void   iic_start(void);             /* 开启iic总线   */
extern void   iic_stop(void);              /* 关闭iic总线   */
extern void   iic_ack(void);               /* 发送ACK信号   */
extern void   iic_no_ack(void);            /* 发送NOACK信号 */
extern bit    iic_wait_ack(void);          /* 等待ACK信号   */
extern void   iic_send_byte(uchar demand); /* MCU向iic设备发送一个字节 */
extern uchar  iic_receive_byte(void);      /* MCU从iic设备接收一个字节 */
extern void   initial_GLCD();              /*液晶屏初始化*/
extern void   command_GLCD(uchar ord);     /*写命令到液晶屏寄存器*/
extern void   chkbusy_GLCD();              /*检查液晶屏内部状态*/
extern void   write_GLCD(uchar dat);       /*写数据到液晶屏寄存器*/
extern void   bcd_ds1990A(uchar dclock);   /*分离出1字节的高位4位与低4位*/
extern void   delay(); 
extern void   Delay_DS1990R (uint us);     /* 延时子程序           */
extern bit    ow_reset(void);              /* 初始化DS1990R子程序  */
extern bit    read_bit(void);              /* 从DS1990R读出1位     */
extern void   write_bit(uchar bitval);     /* 向DS1990R写入1位     */
extern uchar  read_byte(void);             /* 从DS1990R读出1个字节 */
extern void   write_byte(uchar val);       /* 向DS1990R写入1个字节 */
extern void   ch451_init(void);
extern void   ch451_write(unsigned int command);
extern void   write_iic_data(uchar write_data[], uchar address, uchar num);
extern void   read_iic_data(uchar read_data[], uchar address, uchar num);

extern uchar  ch451_key;