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A simple question about LED
ThunderBird
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03-06-2005 02:23 AM
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It could be a simple problem but I couldn't work it out. Please check my attached code.
My purpose is: when click the 'run' button, the LED is OFF and after all 1000 random numbers are generated, LED is ON
Thanks for your help.
My purpose is: when click the 'run' button, the LED is OFF and after all 1000 random numbers are generated, LED is ON
Thanks for your help.
alipio
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03-06-2005 03:20 AM
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Hello
There are many ways for that.
See attached you vi modified.
Cheers
Alipio
There are many ways for that.
See attached you vi modified.
Cheers
Alipio
---------------------------------------------------------
"Qod natura non dat, Salmantica non praestat"
---------------------------------------------------------
"Qod natura non dat, Salmantica non praestat"
---------------------------------------------------------
03-06-2005 04:04 AM
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Thank you for your modification. I changed a little bit and it is almost what I want.
Only one thing left: after I run the program and got 1000 data, I want the LED keep ON, then I click 'run' again and LED is OFF. After I got all 1000 data, LEC is ON again.
Right now, after I click RUN, the LED just blinks and gone. I want LED keep ON before I click 'RUN' again.\\
Thanks.
Only one thing left: after I run the program and got 1000 data, I want the LED keep ON, then I click 'run' again and LED is OFF. After I got all 1000 data, LEC is ON again.
Right now, after I click RUN, the LED just blinks and gone. I want LED keep ON before I click 'RUN' again.\\
Thanks.
alipio
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03-06-2005 11:54 AM
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Hi
Now the led keeps on until next run and the array keeps its values, too.
Cheers
Alipio
Now the led keeps on until next run and the array keeps its values, too.
Cheers
Alipio
---------------------------------------------------------
"Qod natura non dat, Salmantica non praestat"
---------------------------------------------------------
"Qod natura non dat, Salmantica non praestat"
---------------------------------------------------------
alipio
Active Participant
03-06-2005 11:56 AM
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Sorry forgot the vi
---------------------------------------------------------
"Qod natura non dat, Salmantica non praestat"
---------------------------------------------------------
"Qod natura non dat, Salmantica non praestat"
---------------------------------------------------------
03-07-2005 11:48 AM
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Hi, alipio , thanks for your reply.
In the attached picture, where does the part (highlight with red circle) come from? I can't figure out how to get it.
It should be a easy question but I just dont' know how. Thanks.
In the attached picture, where does the part (highlight with red circle) come from? I can't figure out how to get it.
It should be a easy question but I just dont' know how. Thanks.
Chaos
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03-07-2005 12:01 PM
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If your on the front panel, right click the boolian indicator and choose "create>>local variable"
alipio
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03-07-2005 12:04 PM
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it is a boolean constant (FALSE) wired to a local variable.
If you ricgtclick on any control/indicator and go to crate, you can create local variables. You can read and write then as if you read/write value in terminals. They are much like C local variables.
Search for doc in this web. there are a lot about locals and globals.
In this case, I used it to make the LED false before generating numbers.
Cheers
Alipio
If you ricgtclick on any control/indicator and go to crate, you can create local variables. You can read and write then as if you read/write value in terminals. They are much like C local variables.
Search for doc in this web. there are a lot about locals and globals.
In this case, I used it to make the LED false before generating numbers.
Cheers
Alipio
---------------------------------------------------------
"Qod natura non dat, Salmantica non praestat"
---------------------------------------------------------
"Qod natura non dat, Salmantica non praestat"
---------------------------------------------------------
John Rich
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03-07-2005 04:59 PM
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Here's a different way to do it which I believe gives the operation you desire. It is a simple state machine structure which avoids the use of local variables.
