physical_channel.py 文件源码

def di_change_detect_supported(self):
        """
        bool: Indicates if the change detection timing type is supported
            for the digital input physical channel.
        """
        val = c_bool32()

        cfunc = (lib_importer.windll.
                 DAQmxGetPhysicalChanDIChangeDetectSupported)
        if cfunc.argtypes is None:
            with cfunc.arglock:
                if cfunc.argtypes is None:
                    cfunc.argtypes = [
                        ctypes_byte_str, ctypes.POINTER(c_bool32)]

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

        return val.value