clock.lst

利用热释红外传感器、12C887和PIC单片机制作的智能电子时钟

     1: #include <pic.h>
     2: #include "lcd.h";
     3: #include "delay.h";
     4: 
     5: /////////////   SUNROUTINE DECLARE   /////////////
     6: extern  _12c887_write(unsigned char ADDRESS,unsigned char DATA);
     7: extern  _12c887_read(unsigned char ADDRESS);
     8: void mcu_init(void);
     9: void ReadKey(void);
    10: void GetTimeDate(void);
    11: 
    12: ////////////   VARIABLE DEFINITIONS   ////////////
    13: unsigned static char second,minute,hour,weekday,monthday,month,year;
    14: extern SECOND,SECOND_ALARM,MINUTE,MINUTE_ALARM,HOUR,HOUR_ALARM,DayOfWeek,DayOfMonth,MONTH,YEAR,CENTURY,REGA,REGB,REGC,REGD;
    15: unsigned static char TimeShow[11];
    16: unsigned static char DateShow[11];
    17: 
    18: //////////// SUBSTITUTION DEFINITIONS  ///////////
    19:         // input substitution
    20: #define Menu_in      RB3
    21: #define Up_in        RB4
    22: #define Down_in      RB5
    23: ////////////   VARIABLE DEFINITIONS   ////////////
    24:         // input,used for signal switch or operation key  read
    25: static unsigned char   Menu_Value;
    26: static unsigned char   Up_Value;
    27: static unsigned char   Down_Value;
    28: static bit             Menu;
    29: static bit             Menu_USED;
    30: static bit             Up;
    31: static bit             Up_USED;
    32: static bit             Down;
    33: static bit             Down_USED;
    34: /////////////////// SUBROUTINE ///////////////////
    35: void mcu_init()
    36: {
    37:     // initialize I/O port
    38:     ADCON1=0x07;
    39:     TRISA=0x00;         // PORTA as DO
    40:     RBPU=0x00;          // enable portB weak up
    41:     TRISB=0xff;         // PORTB as DI
    42:     TRISC=0x00;         // PORTC as D0
    43:     TRISD=0x00;         // PORTD as D0
    44:     PORTA=0x00;         // clear port A,B,C
    45:     PORTB=0x00;
    46:     PORTC=0x00;
    47:     PORTD=0x00;
    48:     // initialize timer1
    49:     T1CON=0x01;         // Prescale value is 1:1; internal clock,start TMR1
    50:     TMR1IE=1;           // enable TMR1 interrupt
    51:     // initialize general interrupt
    52:     GIE=1;              // enables all unmasked interrupts
    53:     PEIE=1;             // enables all unmasked peripheral interrupts
    54: }
    55: 
    56: void interrupt TMR1_INT(void)
    57:         // TMR1 or INT interrupt
    58: {
    59: 
    60:     if  (TMR1IF&&TMR1IE)
    61:         {
    62:                 // TMR1 interrupt
    63:             TMR1IF=0;
    64:             TMR1H=216;                                  // 10ms per TMR1 interrupt
    65:             TMR1ON=1;                                   // TMR1 start to work
    66:             ReadKey();                                  // read the key of operation
    67:         }
    68: }
    69: 
    70: 
    71: void ReadKey(void)
    72:         // read keys
    73: {
    74:     Menu_Value<<=1;     // read menu key
    75:     if (Menu_in==0) Menu_Value=Menu_Value|0x01;
    76:     Menu_Value=Menu_Value&0xff;
    77:     if (Menu_Value==0xff) Menu=1;
    78:         else if (Menu_Value==0x00) Menu=0,Menu_USED=0;
    79: 
    80:     Up_Value<<=1;     // read up key
    81:     if (Up_in==0) Up_Value=Up_Value|0x01;
    82:     Up_Value=Up_Value&0xff;
    83:     if (Up_Value==0xff) Up=1;
    84:         else if (Up_Value==0x00) Up=0,Up_USED=0;
    85: 
    86:     Down_Value<<=1;     // read down key
    87:     if (Down_in==0) Down_Value=Down_Value|0x01;
    88:     Down_Value=Down_Value&0xff;
    89:     if (Down_Value==0xff) Down=1;
    90:         else if (Down_Value==0x00) Down=0,Down_USED=0;
    91: }
    92: //////////////////////////////////////////////////
    93: /*void mcu_init(void)
    94: {
    95:     ADCON1=0x07;
    96:     TRISA=0x00;         // PORTA as DO
    97:     TRISB=0x00;         // PORTB as D0
    98:     TRISC=0x00;         // PORTC as D0
    99:     TRISD=0x00;         // PORTD as D0
   100:     PORTA=0x00;         // clear port A,B,C
   101:     PORTB=0x00;
   102:     PORTC=0x00;
   103:     PORTD=0x00;
   104: }*/
   105: 
   106: void GetTimeDate(void)
   107: {
   108:     second=_12c887_read(0x00);
   109:     minute=_12c887_read(0x02);
   110:     hour=_12c887_read(0x04);
   111:     weekday=_12c887_read(0x06);
   112:     monthday=_12c887_read(0x07);
   113:     month=_12c887_read(0x08);
   114:     year=_12c887_read(0x09);
   115: }
   116: 
   117: void Change(void)
   118: {
   119:     TimeShow[0]=((hour>>4)+0x30);
   120:     TimeShow[1]=((hour&0x0f)+0x30);
   121:     TimeShow[2]=':';
   122:     TimeShow[3]=' ';
   123:     TimeShow[4]=((minute>>4)+0x30);
   124:     TimeShow[5]=((minute&0x0f)+0x30);
   125:     TimeShow[6]=':';
   126:     TimeShow[7]=' ';
   127:     TimeShow[8]=((second>>4)+0x30);
   128:     TimeShow[9]=((second&0x0f)+0x30);
   129:     TimeShow[10]=' ';
   130: 
   131:     DateShow[0]=((year>>4)+0x30);
   132:     DateShow[1]=((year&0x0f)+0x30);
   133:     DateShow[2]='.';
   134:     DateShow[3]=((month>>4)+0x30);
   135:     DateShow[4]=((month&0x0f)+0x30);
   136:     DateShow[5]='.';
   137:     DateShow[6]=((monthday>>4)+0x30);
   138:     DateShow[7]=((monthday&0x0f)+0x30);
   139:     DateShow[8]=',';
   140:     DateShow[9]=((weekday&0x0f)+0x30);
   141:     DateShow[10]=' ';
   142: }
   143: 
   144: main()
   145: {
   146:     DelayMs(50);
   147:     mcu_init();                     // initialize MCU
   148:     _12c887_init();               // initialize RTC 12c887
   149:     lcd_init();                     // initialize LCD
   150:     lcd_puts("TIME");
   151:     lcd_goto(0xc0);
   152:     lcd_puts("DATE");
   153: while(1)
   154:     {
   155:     if (Menu==1&&Menu_USED==0)
   156:         {
   157:             Menu_USED=1;
   158: 
   159:         }
   160:     else {;}
   161:     if (Up==1&&Down==1&&Up_USED==0&&Down_USED==0)
   162:         {
   163:             Up_USED=1;
   164:             Down_USED=1;
   165:         }
   166:     else {;}
   167:     GetTimeDate();
   168:     if (minute==0x00||minute==0x30) lcd_light();
   169:     else lcd_dark();
   170:     Change();
   171:     lcd_goto(0x85);
   172:     lcd_puts(TimeShow);
   173:     lcd_goto(0xc5);
   174:     lcd_puts(DateShow);
   175:     }
   176: }