Maxim Integrated 71M6513H Power Meter IC Family Software - Manual (Page 49)

71M651x Software User’s Guide
pTimers =
&Timers[NUM_TIMERS)
i = NUM_TIMERS
Process_Timers()
(*(pTimers->pfExpire))()
(pTimer->pfExpire) ==1
N
tick_tock ==TRUE?
((--pTimers)-> Timer)
==1
(--(pTimers-> Timer)
==0
Timer present?
Timer expired?
Timer expired function?
execute Timer expired
function.
N
N
--i == 0
N
pTimers =
&Timers[NUM_TIMERS)
i = NUM_TIMERS
TR0 = FALSE
ET0 = FALSE
I == 0 ?
((--pTimers)-> Timer)
==1 ?
Timer present?
N
--i == 0 ?
N
tick_tock = FALSE
N
END
No Timer present?
Disable timer 0
Clear flag
Figure 5-7: Process Timer (non-ISR)
CE_BUSY Interrupt
CE_BUSY interrupt is used for handling the outputs of the CE that are refreshed every 396µs, i.e. CHOP control and
SAG detection. When this routine is called the automatic chopping is re-established if it is off.
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