Breakout Board Digital Outputs

The following excerpt from the breakout board example workflow demonstrates digital outputs functionality by computing a ~10Hz binary digital counter and outputting that counter to the digital output port.

The Timer operator generates a sequence of 64-bit signed integers in ~100ms intervals. The Int operator emits an integer (with a value of 1 in our case) when an item is received from the upstream sequence. The Accumulate operator increments a value by the values of items in its upstream sequence. The Accumulate operator emits this value when an item is received from the upstream sequence.

The DigitalOutput operator updates the digital output part when sends data in the sequence computed by the upstream operators to update the digital output port. The digital outputs are updated when an item is received from the upstream sequence. Although Accumulate produces a 32-bit integer that counts from 0 to 2147483647, the DigitalOutput operator only uses the lower 8-bits to update the digital output state. In the Breakout Board example workflow, the DigitalOutput's DeviceName property to "BreakoutBoard/DigitalOutput". This links the DigitalOutput operator to the corresponding configuration operator.