Đếm sản phẩm hiển tị lcd dùng ngắt ngoài INT



/*
 * File:   CounterSP_interrupt.c
 * Author: PhanHoangThinh
 *
 * Created on Ngày 06 tháng 7 n?m 2017, 19:17
 */
#include <xc.h>
#include <stdio.h>
#include <stdlib.h>
#include "lcd.h"
#define _XTAL_FREQ 4000000
// CONFIG1
#pragma config FOSC = HS        // Oscillator Selection bits (HS oscillator: High-speed crystal/resonator on RA6/OSC2/CLKOUT and RA7/OSC1/CLKIN)
#pragma config WDTE = OFF       // Watchdog Timer Enable bit (WDT disabled and can be enabled by SWDTEN bit of the WDTCON register)
#pragma config PWRTE = OFF      // Power-up Timer Enable bit (PWRT disabled)
#pragma config MCLRE = ON       // RE3/MCLR pin function select bit (RE3/MCLR pin function is MCLR)
#pragma config CP = OFF         // Code Protection bit (Program memory code protection is disabled)
#pragma config CPD = OFF        // Data Code Protection bit (Data memory code protection is disabled)
#pragma config BOREN = OFF      // Brown Out Reset Selection bits (BOR disabled)
#pragma config IESO = OFF       // Internal External Switchover bit (Internal/External Switchover mode is disabled)
#pragma config FCMEN = OFF      // Fail-Safe Clock Monitor Enabled bit (Fail-Safe Clock Monitor is disabled)
#pragma config LVP = OFF        // Low Voltage Programming Enable bit (RB3 pin has digital I/O, HV on MCLR must be used for programming)

// CONFIG2
#pragma config BOR4V = BOR40V   // Brown-out Reset Selection bit (Brown-out Reset set to 4.0V)
#pragma config WRT = OFF        // Flash Program Memory Self Write Enable bits (Write protection off)

// #pragma config statements should precede project file includes.
// Use project enums instead of #define for ON and OFF.
void ctrinhdem();
void xuathienthi();
void interrupt ngat();
int dem=0;
const char cgram_data[]=
                  {0x1E,0x11,0x11,0x1D,0x11,0x11,0x1E,0x00,
                  0x04,0x0C,0x0A,0x0E,0x11,0x1E,0x0E,0x00,      
                  0x06,0x04,0x0E,0x01,0x0F,0x11,0x0F,0x00,
                  0x03,0x06,0x04,0x0E,0x01,0x0F,0x11,0x0F,
                  0x99
                  };
void main(void) {
   
   
    ANSEL=0;
    ANSELH=0;
    TRISB0=1;
    nRBPU=0;
    WPUB0=1;
 
    GIE=1;
    INTE=1;
    INTEDG=1;
    INTF=0;
   
    unsigned char i;
     lcd_init();
    /*Kiem tra chuong trinh ket thuc*/
    /**********************************/
    i=0;
   lcd_put_byte(0,0x40);         // Lenh = 40H - Dat CGRAM co dia chi bat dau la 00H.
   while(lcd_busy());            // Kiem tra LCD bao ban.
   while(cgram_data[i]!=0x99)
   {
       lcd_put_byte(1,cgram_data[i]);
       while(lcd_busy());            // Kiem tra LCD bao ban.
       i++;
   }
   /*****************************************/
//   while(1)
//   {
       for(int j=0;j<50;j++)
        {
            lcd_gotoxy(3,0);
            lcd_puts("\1m s\2n ph\3m \n");
            lcd_gotoxy(2,0);
            lcd_putc(0);
        }
//   }
    lcd_gotoxy(8,1);
    printf("00",dem);
    while(1);
   
}
void interrupt ngat()
{
   
    if((INTF==1)&&(RB0==1)){
        __delay_ms(100);
        while(RB0==1);
        dem++;
        lcd_gotoxy(8,1);
        printf("%02d",dem);
        if(dem==99)
        {
          dem=0;
        }
       
    }
    INTF=0;
}
   


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