pub unsafe extern "C" fn DAQmxCreateCIPeriodChan(
taskHandle: TaskHandle,
counter: *const c_char,
nameToAssignToChannel: *const c_char,
minVal: float64,
maxVal: float64,
units: int32,
edge: int32,
measMethod: int32,
measTime: float64,
divisor: uInt32,
customScaleName: *const c_char
) -> int32