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README
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README
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Python based arbitrary waveform generator.
Sample/Update rates:
There will be two types of sample- or update-rates permissable.
1. Fixed update rates.
An example of this would be a hardware card that updates a channel for every
clock pulse and this clock pulse rate is fixed. For hardware devices
configured to operate with this type of update clock, the number of samples
to update will automatically be calculated to the nearest clock pulse.
2. Arbitrary timing update rates.
Some hardware devices may be configured to use an arbitrary timing signal as
the update clock. An example of this would be when a channel from a
Viewpoint DIO-64 card is configured to be used as a clock for other devices.
For this type of configuration, the clock rate will automatically change
such that the minimum number of clocks are emitted to support all
channels/devices tied to the clock. Clock pulses will designed to allow
all voltage transitions as specified at their transition time within the
maximum clock resolution possible (the internal clock rate of the DIO-64 for
example). In other words, a single waveform element may have a variable
clock depending on whether other waveform channels similarly clocked need to
have transitions in the mean time.
things that will/will not cause errors:
1. channels without devices selected will be ignored
2. waveforms elements with no channel selection (i.e. empty) will be ignored