main.c

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.

/* Gestione di un Display LCD HD**** con la DemoBoard V1 
/* 歌林电子实验室:  www.nbglin.com 
/* 电话: [phone]  
Le funzioni in lcd.c sono state adattate alla DemoBoard.
   Author : Antonio Bruno 0803  

	PIN I/O PIC DEMOBOARD V1

	RB0	pulsante nero
	RB1	pulsante blu
	RB2	
	RB3	EN  display
	RB4	DB4 display
	RB5	DB5 display
	RB6	DB6 display
	RB7	DB7 display

	RA0	SCL pin I2C
	RA1 SDA pin I2C
	RA2	TX seriale o libero (vedi jumper)
	RA3	RX seriale o libero (vedi jumper)
	RA4	RS display
*/
#define	XTAL_FREQ	4MHZ		/* Crystal frequency in MHz */

#include	<pic.h>
#include	"lcd.h"
#include	"delay.h"
#include	"stdio.h"
#include	"ds1307.h"
#include	"convers.h"

__CONFIG	(XT&WDTDIS);

#define PORTBIT(adr,bit)	((unsigned)(&adr)*8+(bit))

static bit BUTTON @ PORTBIT(PORTB,0);
static bit SDA @ PORTBIT(PORTA,1);

main()
{
	unsigned char str[5];
	int i;
	TRISB = 3;	/* portb.0 e portb.1 = ingressi */
	TRISA = 0b00000010;	/* porta tutte uscite           */
	PORTB=0;
	PORTA=0;

while(1)
{
	
		lcd_init();
		TRISA=0b00000010;
	
		DelayMs(250);
		rtc_write(0,0);					//reg secondi + start clock
		rtc_write(1,dec_bcd(25));		//reg minuti
		rtc_write(2,dec_bcd(19));    	//reg ore
		rtc_write(4,dec_bcd(11));		//reg day
		rtc_write(5,dec_bcd(11));		//reg month
		rtc_write(6,dec_bcd(3));		//reg year
		
		while(1)
		{
			if(BUTTON)
				rtc_write(1,rtc_read(1)+1);	

			lcd_clear();

			i=rtc_read(2);				//ore
			i=bcd_dec(i);
			itoa((char)i,str);
			lcd_puts(str);
			lcd_puts(":");

			i=rtc_read(1);				//minuti
			i=bcd_dec(i);
			itoa((char)i,str);
			lcd_puts(str);
			lcd_puts(":");

			i=rtc_read(0);				//secondi
			i=bcd_dec(i);
			itoa((char)i,str);
			lcd_puts(str);

			lcd_goto(0x40);
			i=rtc_read(4);				//date day
			i=bcd_dec(i);
			itoa((char)i,str);
			lcd_puts(str);

			lcd_puts("/");
			i=rtc_read(5);				//date month
			i=bcd_dec(i);
			itoa((char)i,str);
			lcd_puts(str);
			
			lcd_puts("/");
			i=rtc_read(6);				//date year
			i=bcd_dec(i);
			itoa((char)i,str);
			lcd_puts(str);

			DelayMs(250);
			
		}
	
}
}