Maxim Integrated 71M6513H Power Meter IC Family Software - Manual (Page 65)

71M651x Software User’s Guide
void count_pulses (void)
{
static SUM xdata pulseW_cnt0, pulseW_cnt1;
static SUM xdata pulseR_cnt0, pulseR_cnt1;
static U16 pulse_tmr;
add_2 (PulseW_Cnt, xPulseW_Cnt, 8);
add_2 (PulseR_Cnt, xPulseR_Cnt, 8);
if (capture_pulse_cnts)
{
memcpy_xx (pulseW_cnt0.a, PulseW_Cnt, sizeof (SUM)); // Sample at start.
memcpy_xx (pulseR_cnt0.a, PulseR_Cnt, sizeof (SUM)); // Sample at start.
capture_pulse_cnts = FALSE;
pulse_tmr = Pulse_Duration;
}
else if (0 != pulse_tmr)
{
if (0 == --pulse_tmr)
{
memcpy_xx (pulseW_cnt1.a, PulseW_Cnt, sizeof (SUM)); //Sample at end.
memcpy_xx (pulseR_cnt1.a, PulseR_Cnt, sizeof (SUM)); //Sample at end.
sub8_8 (pulseW_cnt1.a, pulseW_cnt0.a);
sub8_8 (pulseR_cnt1.a, pulseR_cnt0.a);
memcpy_xx((U08x *) &dPulseW_Cnt, &pulseW_cnt1.a[4], sizeof
(dPulseW_Cnt));
memcpy_xx((U08x *) &dPulseR_Cnt, &pulseR_cnt1.a[4], sizeof
(dPulseR_Cnt));
}
}
}
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