On Feb 17, 2007, at 2:21 PM, Jeffrey Ellis wrote:
So now, that's working, but I have set up 3 timers to do the alarm.
TimeTimer, AlarmTimer, and DelayTimer.
The idea is to test if we have passed the Alarm Time, and Speak a
phrase,
once every minute for 5 minutes. Then it should delay for another 5
minutes,
then repeat speaking the phrase once a minute for 5 minutes again.
Then
stop.
That's definitely unnecessary. One timer should be all you need. Just
store some settings as properties to keep track of various states,
like the delay and whether the alarm as sounded. Ideally you should
make your own custom timer class that includes those properties as
well as methods for initializing, setting the alarm time, delay
value, and events such as drawCurrentTime, etc.
For instance, you could have a property "AlarmRinging as boolean"
that indicates whether the alarm time has been reached. If it hasn't,
you then do your time comparison to see if the alarm should go off.
If the time comparison is positive, that's where you'd set
"AlarmRinging = true".
If AlarmRinging is false, you can increment a delay value or check
the "ticks" function and compare to the saved delay value. This will
tell you how much time has passed since the last alarm sound. You
then check to see if that's over a threshhold (like your five minute
value) and if it is, you sound the alarm again (and reset the delay
time to zero). Each time the alarm sounds you could also increment a
counter to indicate the number of times the alarm as sounded, so you
could stop after a certain number of alarms.
The result of all this is that your timer, which executes once every
second, is doing very little at each check:
Timer Action Event:
currentDate = new date
if alarmRinging then
delayDifference = ticks - delayCount
if delayDifference > (5 * 60) then SoundAlarm // Method
else
if currentDate.totalseconds > targetDate.totalseconds then
SoundAlarm // Method
end if
drawCurrentTime(currentDate) // Event
SoundAlarm method:
alarmRinging = true
delayCount = ticks // Reset
speak "The time is now " + currentDate.shorttime + ". Please wake up!"
alarmCount = alarmCount + 1
if alarmCount > 5 then me.mode = 0 // Turn off timer
This is untested code but is just about all you'd need. If you have
questions about how to create a custom class to do this, write me off
list and I can help.
Marc Zeedar
Publisher, REALbasic Developer magazine
www.rbdeveloper.com
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