hello,
I have a problem with the interruption of PORTB .
interrupt does not work.
I put the 4.7K resistor to VSS. could you help me understand my mistakes.
main.c
Code:/* * File: main.c * Author: christop.soguel * * Created on 6. novembre 2014, 10:49 */ /** C O N F I G U R A T I O N B I T S ******************************/ #pragma config WDTE = ON, PWRTE = OFF, CP = OFF, BOREN = ON, FCMEN = ON, MCLRE = ON, CPD = OFF, IESO = ON, FOSC = INTRCCLK #include <stdio.h> #include <stdlib.h> #include <pic16f690.h> #include <xc.h> #define CAPTEUR1 PORTAbits.RA3 void Debounce (void); unsigned int CompteurA = 0; // Counter variable for debounce routine. unsigned int CompteurB = 0; // Counter variable for debounce routine. unsigned int CompteurI= 0; // Counter variable for debounce routine. void interrupt ISR (void) { if (INTCONbits.RABIF) { Debounce(); INTCONbits.RABIF = 0; return; } } void main (void) { OSCCON= 0b01100101; //Freq = 4MHZ OSCTUNE=0b00000000; TRISC = 0b00000000; TRISB = 0b01110000; TRISA = 0b00000000; IOCB = 0b01110000; // enable the top 3 IOC interrupts on PORTB PORTC = 0b00000000; OPTION_REGbits.nRABPU =0; OPTION_REGbits.INTEDG = 1; INTCONbits.GIE = 1; // Global Interrupt Enable INTCONbits.RABIE = 1; // enable interrupt on change (IOC) for ports A & B INTCONbits.RABIF = 0; unsigned int uiCpt; unsigned char iCompteur; unsigned int i; unsigned char iSeconde; unsigned char TEST1=1; do { PORTC = 0b00000110; if (CompteurA >= 10) { PORTC = 0b00000111; } }while (TEST1==0); } void Debounce (void) { if (!RB4 ) { CompteurA = CompteurA + 1; } if (!RB5) { CompteurB = CompteurB + 1; } if(!RB6) { CompteurI = CompteurI + 1; } } /* for (iCompteur = 0; iCompteur < 1; iCompteur ++ ) { for( i=0;i<1000;i++) { // Met le driver moteur en Mode CW PORTC = 0b00000110; } } for (iSeconde = 0; iSeconde < 15; iSeconde ++) { for ( uiCpt = 0; uiCpt < 10000 ;uiCpt ++) { // Met le driver moteur en Mode BRAKE PORTC = 0b00000111; } }CAPTEUR1 == 1 TEST1=0;*/
