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Why does the falling edge external interrupt always triggering?

Kevin Cenek

Hi everyone, i have met another problem that i am unable to solve for several days. The Falling Edge External Interrupt that i have set INT0 of the DS89C450 MCU is always triggering even when i do not trigger it by pressing the IR remote control.(And it shows 1000 characters of 'F' on the MTK.)

Basically my program is here:
http://pastebin.com/atpb3EZy

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  • 0 in reply to ImPer Westermark

    Basically my program is here:
    http://pastebin.com/atpb3EZy

    Per WestermarkPosted
    Do you think people bother to follow random links to retrieve unknown information - especially in a world where the "wrong" link may contain viruses?

    AND Do you think people bother to read through a whole program to find the little section where the issue is

    Your code to configure the interrupt, and handle the interrupt, just can't be too big for you to post directly in this thread - correctly tagged as source code as clearly described directly above the input message box.
    that would get you a reply

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  • 0 in reply to ImPer Westermark

    Basically my program is here:
    http://pastebin.com/atpb3EZy

    Per WestermarkPosted
    Do you think people bother to follow random links to retrieve unknown information - especially in a world where the "wrong" link may contain viruses?

    AND Do you think people bother to read through a whole program to find the little section where the issue is

    Your code to configure the interrupt, and handle the interrupt, just can't be too big for you to post directly in this thread - correctly tagged as source code as clearly described directly above the input message box.
    that would get you a reply

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