device.py 文件源码

def ai_trig_usage(self):
        """
        List[:class:`nidaqmx.constants.TriggerUsage`]: Indicates the
            triggers supported by this device for an analog input task.
        """
        val = ctypes.c_int()

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

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

        return enum_bitfield_to_list(
            val.value, _TriggerUsageTypes, TriggerUsage)