Use members of the daq class to interface with NI-DAQmx.
| Function | Description |
| aich | Analog in single sample, channel(s) |
| aiwf | Analog in, waveform(s) |
| aoch | Analog out single sample, channel(s) |
| aowf | Analog out, waveform(s) |
| dioread | Digital in single sample, line(s) |
| diowrite | Digital out single sample, line(s) |