How to calculate Time

[Chandrashekhar Mullaparthi]

Checkout the manpage for calendar. It has a function
calendar:time_difference/2

If you want to calculate the difference between two values of now() - the
following code will return the difference in milliseconds.

now_diff(Then, Now) ->
    {M, S, U} = Then,
    Then_ms = trunc(M*1000000000+S*1000+U/1000),
    {M1, S2, U2} = Now,
    Now_ms = trunc(M1*1000000000+S2*1000+U2/1000),
    Now_ms - Then_ms.

cheers
Chandru

-----Original Message-----
From: K Chandra Shekhar [mailto:kchandrashekhar@REDACTED]

hi guys,

Is there any BIF to calculate the time(in secs or mins)  
for which an alarm is active ?

I am stuck up trying to find the solution.

I dtored the starting time in one variable and the time at 
which the alaram is cleared in another....

Subtracting the two does not give any results...

Please help me.

Chandra Shekhar



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