/* * Copyright (c) 2021 zhangqf1314@163.com . * 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. */ #ifndef IOT_BOARDBUTTON_H_ #define IOT_BOARDBUTTON_H_ typedef enum { BUTTON_INVALID = 0xff, BUTTON_RELEASE = 0, BUTTON_PRESS, BUTTON_LONG_PRESS, BUTTON_MAX_TYPE } BUTTON_VALUE_TYPE; typedef struct { int button_id; BUTTON_VALUE_TYPE value; } ButtonEvent; typedef void (*ButtonPressedCallback)(ButtonEvent *event); /** * @brief Initialize a button * */ int Board_ButtonInit(ButtonPressedCallback callback); int Board_IsButtonPressed(void); #endif /* IOT_BOARDBUTTON_H_ */