main.lst

本程式通过4*4键盘的输入控制步进马达的正转和反转,停止转动以及加速和减速.

     1: /* Gestione di un Display LCD HD**** con la DemoBoard V1 
     2: Le funzioni in lcd.c sono state adattate alla DemoBoard.
     3:    Author : Antonio Bruno 0803  
     4: 
     5:         PIN I/O PIC DEMOBOARD V1
     6: 
     7:         RB0     pulsante nero
     8:         RB1     pulsante blu
     9:         RB2     
    10:         RB3     EN  display
    11:         RB4     DB4 display
    12:         RB5     DB5 display
    13:         RB6     DB6 display
    14:         RB7     DB7 display
    15: 
    16:         RA0     SCL pin I2C
    17:         RA1 SDA pin I2C
    18:         RA2     TX seriale o libero (vedi jumper)
    19:         RA3     RX seriale o libero (vedi jumper)
    20:         RA4     RS display
    21: */
    22: #define XTAL_FREQ       4MHZ            /* Crystal frequency in MHz */
    23: 
    24: #include        <pic.h>
    25: #include        "lcd.h"
    26: #include        "delay.h"
    27: #include        "stdio.h"
    28: #include        "ds1307.h"
    29: #include        "convers.h"
    30: 
    31: __CONFIG        (XT&WDTDIS);
    32: 
    33: #define PORTBIT(adr,bit)        ((unsigned)(&adr)*8+(bit))
    34: 
    35: static bit BUTTON @ PORTBIT(PORTB,0);
    36: static bit SDA @ PORTBIT(PORTA,1);
    37: 
    38: main()
    39: {
    40:         unsigned char str[5];
    41:         int i;
    42:         TRISB = 3;      /* portb.0 e portb.1 = ingressi */
    43:         TRISA = 0b00000010;     /* porta tutte uscite           */
    44:         PORTB=0;
    45:         PORTA=0;
    46: 
    47: while(1)
    48: {
    49:         
    50:                 lcd_init();
    51:                 TRISA=0b00000010;
    52:         
    53:                 DelayMs(250);
    54:                 rtc_write(0,0);                                 //reg secondi + start clock
    55:                 rtc_write(1,dec_bcd(25));               //reg minuti
    56:                 rtc_write(2,dec_bcd(19));       //reg ore
    57:                 rtc_write(4,dec_bcd(11));               //reg day
    58:                 rtc_write(5,dec_bcd(11));               //reg month
    59:                 rtc_write(6,dec_bcd(3));                //reg year
    60:                 
    61:                 while(1)
    62:                 {
    63:                         if(BUTTON)
    64:                                 rtc_write(1,rtc_read(1)+1);     
    65: 
    66:                         lcd_clear();
    67: 
    68:                         i=rtc_read(2);                          //ore
    69:                         i=bcd_dec(i);
    70:                         itoa((char)i,str);
    71:                         lcd_puts(str);
    72:                         lcd_puts(":");
    73: 
    74:                         i=rtc_read(1);                          //minuti
    75:                         i=bcd_dec(i);
    76:                         itoa((char)i,str);
    77:                         lcd_puts(str);
    78:                         lcd_puts(":");
    79: 
    80:                         i=rtc_read(0);                          //secondi
    81:                         i=bcd_dec(i);
    82:                         itoa((char)i,str);
    83:                         lcd_puts(str);
    84: 
    85:                         lcd_goto(0x40);
    86:                         i=rtc_read(4);                          //date day
    87:                         i=bcd_dec(i);
    88:                         itoa((char)i,str);
    89:                         lcd_puts(str);
    90: 
    91:                         lcd_puts("/");
    92:                         i=rtc_read(5);                          //date month
    93:                         i=bcd_dec(i);
    94:                         itoa((char)i,str);
    95:                         lcd_puts(str);
    96:                         
    97:                         lcd_puts("/");
    98:                         i=rtc_read(6);                          //date year
    99:                         i=bcd_dec(i);
   100:                         itoa((char)i,str);
   101:                         lcd_puts(str);
   102: 
   103:                         DelayMs(250);
   104:                         
   105:                 }
   106:         
   107: }
   108: }
   109: 
   110: 
   111: