tm2.lst

高奇公司ICD的例子,全部能用,非常好!C语言编程

     1: /*********************************************************************
     2: *   Filename:       Tm2.c                                            *
     3: *   Date:           10/22/2002                                       *
     4: *   Edit by Yamato View ,Goldenchip Electronic Co. ,Ltd.             *
     5: *                                                                    *
     6: *   TEL: [phone]-721                                         *
     7: *                                                                    *
     8: *********************************************************************/
     9: 
    10:    #include <pic.h>                             
    11:    #include <stdio.h>                           
    12:    #include "lcd.h"                             
    13: unsigned char seconds = 0x00;                   
    14: unsigned char minutes = 0x00;                   // Minutes variable 
    15: unsigned char hours = 0x00;                     // Hours variable
    16: unsigned char monthes = 0x0A;
    17: unsigned char days = 0x14;
    18: unsigned char years = 0x02;
    19: unsigned char daysLmt;
    20: extern char Temp;
    21: /*********************************************
    22:  *  Real Time Clock Update and Display Code  *
    23:  *********************************************/
    24: void Dayscount(void)
    25: {
    26:  switch(monthes)
    27:    {
    28:      case 1 : daysLmt = 31;break;
    29:      case 2 : daysLmt = 28;break;
    30:      case 3 : daysLmt = 31;break;
    31:      case 4 : daysLmt = 30;break;
    32:      case 5 : daysLmt = 31;break;
    33:      case 6 : daysLmt = 30;break;
    34:      case 7 : daysLmt = 31;break;
    35:      case 8 : daysLmt = 31;break;
    36:      case 9 : daysLmt = 30;break;
    37:      case 10: daysLmt = 31;break;
    38:      case 11: daysLmt = 30;break;
    39:      case 12: daysLmt = 31;break;
    40:    }
    41: }
    42: void Time_Disp1(void)
    43: {
    44:         Line_1();                               // Reset LCD Cusor to home      
    45:         printf("20");
    46:         if (years <10) printf("0");
    47:         printf("%d",years);                     // Print years
    48:         printf("-");                                    
    49:         if (monthes <10) printf("0");           // 
    50:         printf("%d",monthes);                   // Print monthes
    51:         printf("-");                                            
    52:         if (days<10) printf("0");               // 
    53:         printf("%d",days);                      // Print days
    54: }
    55: void Time_Disp2(void)
    56: {        
    57:         Line_2(); 
    58:         printf("It's  %2d",hours);              // Print "It's" time
    59:         printf(":");                                    
    60:         if (minutes<10) printf("0");            // If minutes <10, print leading 0
    61:         printf("%d",minutes);                   // Print minutes 
    62:         printf(":");                                            
    63:         if (seconds<10) printf("0");            // If seconds <10, print leading 0
    64:         printf("%d",seconds);                   // Print seconds
    65: } 
    66: void Tm1_disp( void )
    67: {
    68:         Time_Disp1();
    69:         printf(" %d",Temp);
    70:         printf("C ");
    71:         Time_Disp2();
    72: }
    73: void Tm1_Update( void )
    74: {
    75:    if ( seconds < 59 )                  // Is cummulative seconds < 59?
    76:      seconds++;                         // Yes, so increment seconds
    77:    else                                 // else seconds => 59     
    78:     {
    79:       seconds = 0x00;                   // Reset seconds
    80:         if ( minutes < 59 )             // Is cummulative minutes < 59?
    81:           minutes++;                    // Yes, so updates minutes  
    82:         else                            // else minutes => 59
    83:          {
    84:            minutes = 0x00;              // Reset minutes
    85:             if ( hours < 23 )           // Is cummulative hours < 23
    86:               hours ++;                 // Yes, so update hours
    87:             else
    88:              {
    89:                hours = 0x00;            // Reset time
    90:                Dayscount();
    91:                 if(days<daysLmt)
    92:                  days++;
    93:                 else
    94:                  {
    95:                   days=1;
    96:                    if(monthes<12) monthes++;
    97:                      else
    98:                         {
    99:                          monthes=1;
   100:                           if (years<99)
   101:                             years++;
   102:                             else years=0;
   103:                         }
   104:                  }
   105:              }
   106:          }
   107:     } 
   108: }
   109: 
   110: /******************************
   111:  * Timer1 initialization code *
   112:  ******************************/
   113: 
   114: void Init_Timer1( void )
   115: {
   116:     T1CON = 0b00001110;                         // T1CON register setup
   117:     TMR1L = 0x00;                               // Initialize Timer1 low byte: TMR1L
   118:     TMR1H = 0x80;                                       // initialize Timer1 high byte:TMR1H
   119:     TMR1IF = 0;                                 // Reset Timer1 Overflow H/W flag
   120:     TMR1IE = 1;                                 // Enable Timer1 Overflow interrupt:TMR1IE
   121:     PEIE = 1;
   122:     TMR1ON = 1;                                 // Turn on Timer1 module: TMR1ON        
   123: }
   124: