I was asked to make a program which rang a bell at certain at certain moments. The one way i can think of making it is by using a loop, but i should try to avoid using it and i don't have any idea. I thought of looping, and when the time matched with the specified one, it rang the bell. I do not have it clear how to make it ring. They told me that i had to think of how to develop the program and they would think of how to make the bell ring when i returned 1 or 0. This is the thing: if main() returns any number, the program finishes...!
Any ideas...??? Help is really much appreciated
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Banfa 9,065
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What platform and operating system are you using?
JosAH 11,448
Recognized Expert MVP
What platform and operating system are you using?
And maybe even more important: what bell?
kind regards,
Jos ;-)
And maybe even more important: what bell?
kind regards,
Jos ;-)
I was told to make a program give a device either zero or one at appropiate moments. The bell is supposed to ring when it's one (don't worry about how to make the bell react, it is out of my responsibility) . It should work under WXP
Banfa 9,065
Recognized Expert Moderator Expert
If it needs to work under Windows XP then just create a program with a Window (can be invisible if you do not want to be able to see it).
Then set a timer going at an appropriate frequency using SetTimer.
Whenever the timer goes off get the current time using GetSystemTime, compare that to when you wish to have the bell go off and if it is the right time output your 1.
If it needs to work under Windows XP then just create a program with a Window (can be invisible if you do not want to be able to see it).
Then set a timer going at an appropriate frequency using SetTimer.
Whenever the timer goes off get the current time using GetSystemTime, compare that to when you wish to have the bell go off and if it is the right time output your 1.
That's the point. How do i give a device an output?
Banfa 9,065
Recognized Expert Moderator Expert
That's the point. How do i give a device an output?
Depends what the device is and how it is connected to the computer.
JosAH 11,448
Recognized Expert MVP
Depends what the device is and how it is connected to the computer.
Also see my reply #4 again ;-)
kind regards,
Jos
And maybe even more important: what bell?
kind regards,
Jos ;-)
The bell is not what i should worry about, it should be conected to the parallel port, then i'll tell the other people which cable(s) will be returning the 1.
I should make a program which does everything, i mean that i should have to open the program and the program would do everything for me. That means not needing to use windows xp scheduler, at least not manually. Thanks for your help. Please ask for clarification if there's something i forgot to write.
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