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Ngn ng C cho vi iu khin

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Cu trc 1 chng trnh trong C

#define F_CPU 8000000

#include

#include

#include

volatile int i;

int main(void)

{

{PORTC=i;}

}

// trinh phuc vu ngat

ISR(INT0_vect)

{

}

ISR(INT1_vect)

{

i--;

if(i

Bin trong C

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Ngoi ra c kiu bit nhn 2 gi tr 0 1.

Cc cu trc thng dng

Cu trc if

If(biu thc iu kin)

{cng vic 1;}

Else{ cng vic 2;}

Nu iu kin ng th

thc hin cng vic 1

Sai th thc hin cng vic 2

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Cu trc trong C

Vng lp for

For(biu thc 1;biu thc 2;biu thc 3)

{cng vic;}

V d tnh tng t

1 n 10

Int I ;

Int tong=0;

For(i=0;i

Cu trc trong c

Vng lp while(iu kin)

{biu thc;}

Lp li cho n khi iu kin sai

Cc bn vit th

Chng trnh tnh tng

T 1 n 100 dng while

nh.

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