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Raajesh
Joined: 29 Dec 2006
Posts: 3
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 06 Jan 2007 7:27 Can Interrupt be Serviced even when Micro controller hangs?? |
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Hi Frnds,
Can a Interrupt Service Routine be serviced even when Micro controller hangs for undue reasons??
what is a hang in Microcontroller means????
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ahmad_abdulghany
Joined: 12 Apr 2005
Posts: 1369
Helped: 212
Location: Cairo, Egypt
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06 Jan 2007 13:26 Re: Can Interrupt be Serviced even when Micro controller han |
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| I think "yes" it works anyways..
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yali
Joined: 31 Dec 2006
Posts: 13
Helped: 1
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06 Jan 2007 21:52 Can Interrupt be Serviced even when Micro controller hangs?? |
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of course .
the inptrrupts work any way in micro controllers and micro processor." if you didn't mask them"
when your code has a problem and you have an bad loop or you have a bad jump in your code the micro will hange. so if you want to use whatch dog you must use in on your main code (never use Watch dog command in ISRs).
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sunish
Joined: 04 Sep 2005
Posts: 114
Helped: 5
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07 Jan 2007 13:25 Re: Can Interrupt be Serviced even when Micro controller han |
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hai
what do you mean by hanging?
if it means exicuting a task permanently,then it's not called hanging
this time it's performing a work
and this time it will ready to service all the interrupts
normally 'hanging' means the microcontroller stop all working and need a reset or on/off to start the controller. this time it will not service any interrupts
regards
sunish
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