2.12.8
handle, the value returned from opening the device.
range, the voltage range to be used when gathering the min and
max information.
coupling, the type of AC/DC coupling used.
* maximumVoltage, a pointer to a float, an out parameter set to
the maximum voltage allowed for the range, may be NULL.
* minimumVoltage, a pointer to a float, an out parameter set to
the minimum voltage allowed for the range, may be NULL.
If both maximumVoltage and minimumVoltage are set to NULL the
driver will return PICO_NULL_PARAMETER.