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In: Computer Science
Atmega128 and Pic24e have the reset interrupt at the program address 0x0. Write a function reset()...
Atmega128 and Pic24e have the reset interrupt at the program address 0x0. Write a function reset() that works for both chips to reset a program.
Solutions
venereology answered 2 years agoRelated Solutions
Atmega128 and Pic24e have the reset interrupt at the program address 0x0. Write a function reset()...
Atmega128 and Pic24e have the reset interrupt at the program
address 0x0. Write a function reset() that works for both chips to
reset a program.
This is a atmega128 source to make a clock using the timer interrupt. I want to...
This is a atmega128 source to make a clock using the
timer interrupt. I want to add source if i press switch
(PIND==0x0FE&&PIND==0x0FD) then below program would be
running .
#include<io.h>
int
position=0,BJT[4]={0xFE,0xFD,0xFB,0xF7};
int
number=0,segment[10]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90};
int msec=0, sec=0, min=0;
void main()
{
DDRA=0xFF;
PORTA=0XFF;
DDRB=0xFF;
PORTB=0xFF;
TCCR0=0x04;
TIMSK=0x01;
SREG=0x80;
while(1){}
}
interrupt[TIM0_OVF]void timer0_ovf_isr()
{
TCNT0=0x06;
PORTA=BJT[position];
if(position==0)number=sec%10;
if(position==1)number=sec/10;
if(position==2)number=min%10;
if(postion==3)number=min/10;
PORTB=segment[number];
position++;
if(position>3)position=0;
msec++;
if(msec==1000)
{
msec=0;
sec++;
}
if(sec==60)
{
sec=0;
min++;
}
if(min==60)min=0;
}
How does an interrupt differ from a subroutine? When an interrupt occurs, where does program control...
How does an interrupt differ from a subroutine? When an
interrupt occurs, where does program control branch to?
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Make a C program to blink/toggle a LED every second with the
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Hint: Because the delay function has a maximum delay limit, you
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a) Write code that uses the timer interrupt for
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