export_signals.py 文件源码

def ctr_out_event_output_behavior(self):
        """
        :class:`nidaqmx.constants.ExportAction`: Specifies whether the
            exported Counter Output Event pulses or changes from one
            state to the other when the counter reaches terminal count.
        """
        val = ctypes.c_int()

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

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

        return ExportAction(val.value)