timing.py 文件源码

def samp_quant_samp_per_chan(self):
        """
        long: Specifies the number of samples to acquire or generate for
            each channel if **samp_quant_samp_mode** is
            **AcquisitionType.FINITE**. If **samp_quant_samp_mode** is
            **AcquisitionType.CONTINUOUS**, NI-DAQmx uses this value to
            determine the buffer size.
        """
        val = ctypes.c_ulonglong()

        cfunc = lib_importer.windll.DAQmxGetSampQuantSampPerChan
        if cfunc.argtypes is None:
            with cfunc.arglock:
                if cfunc.argtypes is None:
                    cfunc.argtypes = [
                        lib_importer.task_handle,
                        ctypes.POINTER(ctypes.c_ulonglong)]

        error_code = cfunc(
            self._handle, ctypes.byref(val))
        check_for_error(error_code)

        return val.value