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Please advise me about combination door lock

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chai

Joined: 12 Oct 2009
Posts: 1

Please advise me about combination door lock

Posted: Mon Oct 12, 2009 10:08 pm

This is some code for combination door lock:

Code:

while ( TRUE )
{
while ( TRUE )
{
if ( GetKey() != 1 )
{
break;
}
if ( GetKey() != 2 )
{
break;
}
if ( GetKey() != 3 )
{
break;
}
if ( GetKey() != 4 )
{
break;
}

output_high ( LED );
delay_ms ( 100 );
output_low ( LED );
}
}

If press code 1234 on keypad ----> LED on 100 Ms

Please advise me too. How I change this code for:

1. if press code 1234 on keypad ----> LED on 100 Ms or
2. if press code 4567 on keypad ----> LED on 100 Ms or
3. if press code 1357 on keypad ----> LED on 100 Ms or

4. if press code 2468on keypad ----> LED1 on 100 Ms or
5. if press code 9876 on keypad ----> LED1 on 100 Ms or

Thank you for support.
chai

PCM programmer

Joined: 06 Sep 2003
Posts: 21708

Posted: Tue Oct 13, 2009 12:39 pm

I think you got that code from this project:

Quote:

COMBINATION LOCK FOR SAFE

http://www.vermontficks.org/safe_combo_d.htm
http://www.vermontficks.org/safe_combo_s.gif

The CCS source code,
http://www.vermontficks.org/safe_combo_c.htm
shows these statements at the top of the program:

Code:

#define COMBO_1 '1'
#define COMBO_2 '2'
#define COMBO_3 '3'
#define COMBO_4 '4'
#define COMBO_5 '5'
#define COMBO_6 '6'

The combination is currently set for: 123456

To change the combination, just enter a different sequence of numbers:

Code:

#define COMBO_1 '2'
#define COMBO_2 '5'
#define COMBO_3 '3'
#define COMBO_4 '6'
#define COMBO_5 '1'
#define COMBO_6 '4'

This changes it to: 253614

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