VSG - IO

-------------------------------------------------------------
IO
   - Analogue IO
   - Digital IO
-------------------------------------------------------------

[Analogue IO]
  crsADCGetNumSamples     - gets the number of samples in a data acquisition buffer.
  crsADCGetNumSamples     - gets the number of samples in a data acquisition buffer.
  crsADCGetSample         - gets the number of samples in a data acquisition buffer.
  crsADCGetSampleBlock    - reads data from a data acquisition system buffer.
  crsADCSetBufferSize     - sets the size of a data acquisition system buffer.
  crsADCStart             - starts the data acquisition system.
  crsADCStop              - halts the data acquisition system.
  crsIOReadADC            - reads a value from the specified analogue channel.
  crsIOWriteDAC           - writes a value to the VSG DAC output.
  SetBufferSize         - sets the size of a data acquisition system buffer.

[Digital IO]
  crsIOImageStabilisation - stabilises the image against eye movements.
  crsIOReadDigitalIn      - returns the value currently on the digital input.
  crsIOReadDigitalOut     - returns the value currently written to the digital output.
  crsIOWriteDigitalOut    - writes digital output to the digital output port.
  crsADCSetBufferSize      - sets the size of a data acquisition system buffer.
  crsGetNumDigitalInBits   - returns the number of digital input bits on the CRS.
  crsGetNumDigitalOutBits  - returns the number of digital output bits on the CRS.