Inc and Dec Time
16 August 2010, 14:28 by Chad Reynoldson
Here is an easy to implement NetLinx function that will increment and decrement a time variable by a +/- seconds offset. It limits you to 24 hours and is pretty self-explanatory.
Hope you can find value in it and remember how easy this is in AMX!
(*---------------------------------------------------------*)
(* Inc/dec cTime by x number of seconds. --*)
(*---------------------------------------------------------*)
DEFINE_FUNCTION SLONG getTimeOffset (CHAR cTime[8], SLONG slOffsetSec)
STACK_VAR
SLONG slHr
SLONG slMin
SLONG slSec
SLONG slTotalSec
CHAR cTimeOffset[8]
{
(*-- Offset range limited to 24 hours --*)
IF((slOffsetSec > 86400) || (slOffsetSec < -86400))
RETURN(-1)
(*-- Get seconds total --*)
slHr = MAX_VALUE(0, TIME_TO_HOUR (cTime))
slMin = MAX_VALUE(0, TIME_TO_MINUTE(cTime))
slSec = MAX_VALUE(0, TIME_TO_SECOND(cTime))
slTotalSec = (slHr * 3600) + (slMin * 60) + slSec
slTotalSec = slTotalSec + slOffsetSec
(*-- Need the time --*)
slHr = (slTotalSec / 60) / 60
slMin = (slTotalSec - (slHr*60*60)) / 60
slSec = slTotalSec - ((slHr*60*60) + (slMin*60))
cTimeOffset = "RIGHT_STRING("'00',ITOA(slHr )",2),':',
RIGHT_STRING("'00',ITOA(slMin)",2),':',
RIGHT_STRING("'00',ITOA(slSec)",2)"
(*-- Only passback what they sent in (i.e. HH:MM:SS or HH:MM) --*)
SET_LENGTH_STRING(cTimeOffset, LENGTH_STRING(cTime))
(*-- Passback --*)
cTime = cTimeOffset
RETURN(1)
}
Here’s a simple implementation of it:
BUTTON_EVENT[dvPnls1a,1] // Up
BUTTON_EVENT[dvPnls1a,2] // Down
{
PUSH :
{
SWITCH(BUTTON.INPUT.CHANNEL)
{
CASE 1 : getTimeOffset (cThisTime, 900) // Inc by 15 minutes
CASE 2 : getTimeOffset (cThisTime,-900) // Dec by 15 minutes
}
SEND_COMMAND dvPnls1a,"'TEXT1-',cThisTime"
}
}
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