Fabri
Joined: 22 Aug 2005
Posts: 275
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| PIC10F220 and Sleep() |
 Posted: Fri Jul 15, 2011 8:39 am |
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Hi to everybody,
I can't solve problem with PIC10F220 and sleep() function. The work of circuit is quite simple. The PIC is powered by 3V battery. Every 2,38 seconds wake-up and test level of one pin. In case of low level do some beeps by buzzer.
The problem is:
Every wake-up time there's a change level of pin for 40us. This change level sound buzzer for a little time.
Does it normal ?
This is simple program
| Code: |
#include <10F220.H>
#include "def220.c"
#FUSES NOWDT
#FUSES NOMCLR
#FUSES PROTECT
#FUSES IOSC8
#use delay(clock=4000000,RESTART_WDT)
#use fast_io(B)
int codice_reset;
int conteggio_routine_buzzer;
int nr_beep;
int codice_buzzer;
int16 conteggio_attesa;
int1 liquido_presente;
#define durata_beep 250
#define attesa_beep 10
//Definisci bit I/O
#bit ingresso_livello=GPIO.1
#bit buzzer=GPIO.0
#bit uscita_pwm=GPIO.2
/*
*************************************************
Routine gestione buzzer
int nr_beep;
int durata_beep;
int attesa_beep;
int conteggio_durata_beep;
int conteggio_attesa_beep;
int codice_buzzer;
*************************************************
*/
void gestione_buzzer(){
switch (codice_buzzer){
case 0:
buzzer=false;
break;
case 1:
conteggio_routine_buzzer=durata_beep;
codice_buzzer=2;
break;
case 2:
buzzer^=1;
conteggio_routine_buzzer--;
if (conteggio_routine_buzzer==0){
codice_buzzer=3;
conteggio_routine_buzzer=attesa_beep;
}
break;
case 3:
buzzer=false;
delay_ms(10);
conteggio_routine_buzzer--;
if (conteggio_routine_buzzer==0){
codice_buzzer=4;
}
break;
case 4:
nr_beep--;
if (nr_beep==0)
codice_buzzer=0;
else
codice_buzzer=1;
}
}
//#pragma zero_ram
void main() {
long i;
SET_TRIS_B(0b00000010);
SETUP_ADC_PORTS(NO_ANALOGS);
//Definisci interrupt TIMER0 ogni 100uS
//SETUP_TIMER_0(RTCC_DIV_1|RTCC_INTERNAL|RTCC_8_BIT);
SETUP_WDT(WDT_2304MS|DISABLE_WAKEUP_ON_CHANGE|PIN_CHANGE_FROM_SLEEP);
codice_reset= RESTART_CAUSE();
if (codice_reset==NORMAL_POWER_UP){
for(i=0;i<50;i++){
delay_us(50);
buzzer^=1;
}
}
if(codice_reset==MCLR_FROM_RUN){
conteggio_attesa++;
if(conteggio_attesa>3){
// PWM
SET_TRIS_B(0b00000010);
if (liquido_presente==false){
codice_buzzer=1;
nr_beep=3;
while(codice_buzzer!=0){
delay_us(100);
gestione_buzzer();
}
}
conteggio_attesa=0;
}
}
//buzzer=0;
//uscita_pwm=0;
SET_TRIS_B(0b00001111);
sleep();
delay_cycles(2);
}
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Thanks for help,
Regards, |
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