原创 机动车尾号限行提示器

#include  <reg51.h>                      

sbit  LCD_CLK    = P1^0;   /*LCD时钟线引脚 */

sbit  LCD_SID     = P1^1;    /*LCD数据线引脚 */

sbit  LCD_CS     = P1^2;    /*LCD片选线引脚 */

sbit  ctrout        = P1^3;     /*控制输出*/

sbit  T_RST       = P1^4;    /*实时时钟复位线引脚 */

sbit  T_IO        = P1^5;     /*实时时钟数据线引脚 */

sbit  T_CLK      = P1^6;    /*实时时钟时钟线引脚 */

sbit  sw_1        = P3^0;     /*开关1*/

sbit  sw_2        = P3^1;     /*开关2*/

sbit  sw_3        = P3^2;     /*开关3*/

sbit  sw_4        = P3^3;     /*开关4*/

sbit  ACC0       = ACC^0;

sbit  ACC7       = ACC^7;

sbit  key_flag   = PSW^5;

/*调用函数声明*/

void  delay();                                                               /*延时*/

void  keydis();                                                       /* 键盘处理*/

void  write_GLCD(unsigned  char dat);                  /*写数据到lcd*/

void  chkbusy_GLCD();                                         /*检查lcd状态*/

void  command_GLCD(unsigned  char ord);           /*往lcd写命令*/

void  initial_GLCD();                                             /*初始化lcd*/

void  RTInputByte(unsigned  char);                        /*往DS1302写入1Byte数据*/

unsigned  char RTOutputByte(void);                        /*从DS1302读取1Byte数据 */

void  W1302(unsigned  char, unsigned  char);        /*写数据到DS1302*/

unsigned  char R1302(unsigned  char);                   /*读DS1302数据*/

void  Set1302(unsigned  char *);                            /*设置日期、时间和汽车尾号*/

void  Get1302(unsigned  char curvalue[]);        /*读取DS1302当前时间*/

void  bcd_ds(unsigned  char *dclock);                    /*数据格式转换*/

typedef struct

{

  unsigned  char hour;

  unsigned  char min;

  unsigned  char sec;

  unsigned  char date;

  unsigned  char month;

  unsigned  char today;

  unsigned  char year;

  unsigned  char number;

}x;

x value;

/*定义12232液晶屏所显示的日期和时间码*/

char code bcdmap[60][2]={

"00","01","02","03", "04","05","06","07","08","09"

,"10","11","12","13","14","15","16","17","18","19"

,"20","21","22","23","24","25","26","27","28","29"

,"30","31","32","33","34","35","36","37","38","39"

,"40","41","42","43","44","45","46","47","48","49"

,"50","51","52","53","54","55","56","57","58","59",

};

static char xdata  DHZTAB1[15]="日期20XX:XX:XX";

static char xdata  DHZTAB2[15]="时间 XX:XX:XX  ";

static char xdata  DHZTAB3[12]="今日不能开车";

unsigned  char  RClock[7];

void RTInputByte(unsigned  char d)

{

  unsigned  char i;

  ACC = d;                /*d 写入的数据*/

  for(i=8; i>0; i--)

  {

    T_IO = ACC0;  

    T_CLK = 1;

    T_CLK = 0;

    ACC = ACC >> 1;

  }

}

unsigned  char RTOutputByte(void)

{

  unsigned  char i;

  for(i=8; i>0; i--)

  {

    ACC = ACC >>1;

    ACC7 = T_IO;

    T_CLK = 1; 

    T_CLK = 0;

  }

  return(ACC);

}

void W1302(unsigned  char ucAddr, unsigned  char ucDa)

{

  T_RST = 0;

  T_CLK = 0;

  T_RST = 1;

  RTInputByte(ucAddr);       /* 地址，命令 */

  RTInputByte(ucDa);         /* 写1Byte数据*/

  T_CLK = 1;

  T_RST = 0;

}

uchar R1302(unsigned  char ucAddr)

{

  unsigned  char ucData;

  T_RST = 0;

  T_CLK = 0;

  T_RST = 1;

  RTInputByte(ucAddr);             /* 地址，命令 */

  ucData = RTOutputByte();         /* 读1Byte数据 */

  T_CLK = 1;

  T_RST = 0;

  return(ucData);

}

void Set1302(unsigned  char *pClock)

{

  unsigned  char i;

  unsigned  char ucAddr = 0x80;      

  W1302(0x8e,0x00);                                      /* 清除写保护位 */

  for(i =7; i>0; i--)

  {

    W1302(ucAddr,*pClock); 

    pClock++;

    ucAddr +=2;

  }

  W1302(0x8e,0x80);          /* 控制命令,WP=1,写保护*/

}

void Get1302(unsigned  char ucCurvalue[])

{

  unsigned  char i;

  unsigned  char ucAddr = 0x81;

  for (i=0; i<7; i++)

  {

    ucCurvalue = R1302(ucAddr);  /*格式为: 秒 分 时 日 月 星期 年 */