export_signals.py 文件源码

def hshk_event_pulse_width(self):
        """
        float: Specifies in seconds the pulse width of the exported
            Handshake Event if **hshk_event_output_behavior** is
            **ExportActions5.PULSE**.
        """
        val = ctypes.c_double()

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

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

        return val.value