/* * Copyright (c) 2020 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * @addtogroup IotHardware * @{ * * @brief Provides APIs for operating devices, * including flash, GPIO, I2C, PWM, UART, and watchdog APIs. * * * * @since 2.2 * @version 2.2 */ /** * @file iot_errno.h * * @brief Defines error codes used by the IotHardware module. * * @since 2.2 * @version 2.2 */ #ifndef IOT_ERRNO_H #define IOT_ERRNO_H /** * @brief Defines a module-level return value to indicate a successful operation. * */ #define IOT_SUCCESS 0 /** * @brief Defines a module-level return value to indicate an operation failure. * */ #define IOT_FAILURE (-1) #endif // IOT_ERRNO_H /** @} */