export_signals.py 文件源码

def rdy_for_xfer_event_deassert_cond_custom_threshold(self):
        """
        int: Specifies in samples the threshold below which the Ready
            for Transfer Event deasserts. This threshold is an amount of
            space available in the onboard memory of the device.
            **rdy_for_xfer_event_deassert_cond** must be
            **DeassertCondition.ONBOARD_MEMORY_CUSTOM_THRESHOLD** to use
            a custom threshold.
        """
        val = ctypes.c_uint()

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

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

        return val.value