def _freeCounter(counterObj):
hal.setCounterUpdateWhenEmpty(counterObj._counter, True)
counterObj.clearUpSource()
counterObj.clearDownSource()
hal.freeCounter(counterObj._counter)
counterObj.upSource = None
counterObj.downSource = None
counterObj._counter = None
def setUpdateWhenEmpty(self, enabled: bool) -> None:
"""Select whether you want to continue updating the event timer
output when there are no samples captured. The output of the event
timer has a buffer of periods that are averaged and posted to a
register on the FPGA. When the timer detects that the event source
has stopped (based on the MaxPeriod) the buffer of samples to be
averaged is emptied. If you enable update when empty, you will be
notified of the stopped source and the event time will report 0
samples. If you disable update when empty, the most recent average
will remain on the output until a new sample is acquired. You will
never see 0 samples output (except when there have been no events
since an FPGA reset) and you will likely not see the stopped bit
become true (since it is updated at the end of an average and
there are no samples to average).
:param enabled: True to continue updating
"""
hal.setCounterUpdateWhenEmpty(self.counter, enabled)
def setUpdateWhenEmpty(self, enabled: bool) -> None:
"""Select whether you want to continue updating the event timer
output when there are no samples captured. The output of the event
timer has a buffer of periods that are averaged and posted to a
register on the FPGA. When the timer detects that the event source
has stopped (based on the MaxPeriod) the buffer of samples to be
averaged is emptied. If you enable update when empty, you will be
notified of the stopped source and the event time will report 0
samples. If you disable update when empty, the most recent average
will remain on the output until a new sample is acquired. You will
never see 0 samples output (except when there have been no events
since an FPGA reset) and you will likely not see the stopped bit
become true (since it is updated at the end of an average and
there are no samples to average).
:param enabled: True to continue updating
"""
hal.setCounterUpdateWhenEmpty(self.counter, enabled)
def _freeCounter(counter):
hal.setCounterUpdateWhenEmpty(counter, True)
hal.clearCounterUpSource(counter)
hal.clearCounterDownSource(counter)
hal.freeCounter(counter)
def _freeCounter(counter):
hal.setCounterUpdateWhenEmpty(counter, True)
hal.clearCounterUpSource(counter)
hal.clearCounterDownSource(counter)
hal.freeCounter(counter)