В первом if контроллер переходит в спячку и выставляется flag1 = 1
тут-же во втором if проверяется флаг и контроллер выходит из спячки, если конечно успеть за время обработки первого if отпустить кнопку, то все заработает
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char debounce(void)
{
delay_ms(30); // задержка зависит от того, сколько длится дребезг
return (PIND.2 == 0);
}
interrupt [EXT_INT0] void ext_int0_isr(void)
{
if (!debounce()) return;
if(flag1==0) {
sleep_enable();
powerdown();
flag1=1;
} else {
sleep_disable();
flag1=0;
}
}
nterrupt [EXT_INT0] void ext_int0_isr(void)
{
delay_ms(30);
if (PIND.2 == 0)
{
if(flag1==0)
{
sleep_enable();
powerdown();
flag1=1;
}
else
{
sleep_disable();
flag1=0;
}
}
}
interrupt [EXT_INT0] void ext_int0_isr(void)
{
if(flag1==0)
{
flag1=1;
sleep_enable();
powerdown();
}
else
{
sleep_disable();
flag1=0;
}
}
/*****************************************************
This program was produced by the
CodeWizardAVR V2.03.4 Standard
Automatic Program Generator
© Copyright 1998-2008 Pavel Haiduc, HP InfoTech s.r.l.
http://www.hpinfotech.com
Project :
Version :
Date : 01.04.2009
Author :
Company :
Comments:
Chip type : ATmega16
Program type : Application
Clock frequency : 8.000000 MHz
Memory model : Small
External RAM size : 0
Data Stack size : 256
*****************************************************/
#include <mega16.h>
#include <delay.h>
#include <sleep.h>
int flag1=0;
// External Interrupt 0 service routine
interrupt [EXT_INT0] void ext_int0_isr(void)
{
if(flag1==0)
{
flag1=1;
sleep_enable();
powerdown();
}
else
{
sleep_disable();
flag1=0;
}
}
// Declare your global variables here
void main(void)
{
// Declare your local variables here
// Input/Output Ports initialization
// Port A initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTA=0x00;
DDRA=0x00;
// Port B initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTB=0x00;
DDRB=0x00;
// Port C initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTC=0x00;
DDRC=0x00;
// Port D initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=Out
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=0
PORTD=0x00;
DDRD=0x01;
// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: Timer 0 Stopped
// Mode: Normal top=FFh
// OC0 output: Disconnected
TCCR0=0x00;
TCNT0=0x00;
OCR0=0x00;
// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: Timer 1 Stopped
// Mode: Normal top=FFFFh
// OC1A output: Discon.
// OC1B output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer 1 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
TCCR1A=0x00;
TCCR1B=0x00;
TCNT1H=0x00;
TCNT1L=0x00;
ICR1H=0x00;
ICR1L=0x00;
OCR1AH=0x00;
OCR1AL=0x00;
OCR1BH=0x00;
OCR1BL=0x00;
// Timer/Counter 2 initialization
// Clock source: System Clock
// Clock value: Timer 2 Stopped
// Mode: Normal top=FFh
// OC2 output: Disconnected
ASSR=0x00;
TCCR2=0x00;
TCNT2=0x00;
OCR2=0x00;
// External Interrupt(s) initialization
// INT0: On
// INT0 Mode: Low level
// INT1: Off
// INT2: Off
GICR|=0x40;
MCUCR=0x00;
MCUCSR=0x00;
GIFR=0x40;
// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=0x00;
// Analog Comparator initialization
// Analog Comparator: Off
// Analog Comparator Input Capture by Timer/Counter 1: Off
ACSR=0x80;
SFIOR=0x00;
// Global enable interrupts
#asm("sei")
while (1)
{
PORTD.0=1;
delay_us(100);
PORTD.0=0;
delay_us(100);
};
}
// External Interrupt 0 service routine
interrupt [EXT_INT0] void ext_int0_isr(void)
{
if(flag1==0)
{
flag1=1;
MCUCR=0x00;
sleep_enable();
powerdown();
}
else
{
sleep_disable();
MCUCR=0x02;
flag1=0;
}
}
SERGEY_M писал(а):Для начала сделай так...
- Код: Выделить всё • Развернуть
// External Interrupt 0 service routine
interrupt [EXT_INT0] void ext_int0_isr(void)
{
if(flag1==0)
{
flag1=1;
MCUCR=0x00;
sleep_enable();
powerdown();
}
else
{
sleep_disable();
MCUCR=0x02;
flag1=0;
}
}
#include <mega16.h>
#include <sleep.h>
#include <delay.h>
char flag1;
// External Interrupt 0 service routine
interrupt [EXT_INT0] void ext_int0_isr(void)
{
if(flag1==0)
{
flag1=1;
MCUCR=0x00;
sleep_enable();
powerdown();
}
else
{
sleep_disable();
MCUCR=0x02;
flag1=0;
}
}
// Declare your global variables here
void main(void)
{
// Declare your local variables here
// Input/Output Ports initialization
// Port A initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTA=0x00;
DDRA=0x00;
// Port B initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTB=0x00;
DDRB=0x00;
// Port C initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTC=0x00;
DDRC=0x00;
// Port D initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTD=0x00;
DDRD=0x01;
// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: Timer 0 Stopped
// Mode: Normal top=FFh
// OC0 output: Disconnected
TCCR0=0x00;
TCNT0=0x00;
OCR0=0x00;
// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: Timer 1 Stopped
// Mode: Normal top=FFFFh
// OC1A output: Discon.
// OC1B output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer 1 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
TCCR1A=0x00;
TCCR1B=0x00;
TCNT1H=0x00;
TCNT1L=0x00;
ICR1H=0x00;
ICR1L=0x00;
OCR1AH=0x00;
OCR1AL=0x00;
OCR1BH=0x00;
OCR1BL=0x00;
// Timer/Counter 2 initialization
// Clock source: System Clock
// Clock value: Timer 2 Stopped
// Mode: Normal top=FFh
// OC2 output: Disconnected
ASSR=0x00;
TCCR2=0x00;
TCNT2=0x00;
OCR2=0x00;
// External Interrupt(s) initialization
// INT0: On
// INT0 Mode: Falling Edge
// INT1: Off
// INT2: Off
GICR|=0x40;
MCUCR=0x00;
MCUCSR=0x00;
GIFR=0x40;
// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=0x00;
// Analog Comparator initialization
// Analog Comparator: Off
// Analog Comparator Input Capture by Timer/Counter 1: Off
ACSR=0x80;
SFIOR=0x00;
// Global enable interrupts
#asm("sei")
while (1)
{
PORTD ^= 0x01;
delay_ms(100);
};
}
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