| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| #define SENSORS_HARDWARE_CONTROL "control" |
| #define SENSORS_HARDWARE_DATA "data" |
| |
| __BEGIN_DECLS |
| |
| typedef struct { |
| int sensor; |
| union { |
| sensors_vec_t vector; |
| sensors_vec_t orientation; |
| sensors_vec_t acceleration; |
| sensors_vec_t magnetic; |
| float temperature; |
| float distance; |
| float light; |
| }; |
| int64_t time; |
| uint32_t reserved; |
| } sensors_data_t; |
| |
| struct sensors_control_device_t { |
| struct hw_device_t common; |
| native_handle_t* (*open_data_source)(struct sensors_control_device_t *dev); |
| int (*close_data_source)(struct sensors_control_device_t *dev); |
| int (*activate)(struct sensors_control_device_t *dev, |
| int handle, int enabled); |
| int (*set_delay)(struct sensors_control_device_t *dev, int32_t ms); |
| int (*wake)(struct sensors_control_device_t *dev); |
| }; |
| |
| struct sensors_data_device_t { |
| struct hw_device_t common; |
| int (*data_open)(struct sensors_data_device_t *dev, native_handle_t* nh); |
| int (*data_close)(struct sensors_data_device_t *dev); |
| int (*poll)(struct sensors_data_device_t *dev, |
| sensors_data_t* data); |
| }; |
| |
| static inline int sensors_control_open(const struct hw_module_t* module, |
| struct sensors_control_device_t** device) { |
| return module->methods->open(module, |
| SENSORS_HARDWARE_CONTROL, (struct hw_device_t**)device); |
| } |
| |
| static inline int sensors_control_close(struct sensors_control_device_t* device) { |
| return device->common.close(&device->common); |
| } |
| |
| static inline int sensors_data_open(const struct hw_module_t* module, |
| struct sensors_data_device_t** device) { |
| return module->methods->open(module, |
| SENSORS_HARDWARE_DATA, (struct hw_device_t**)device); |
| } |
| |
| static inline int sensors_data_close(struct sensors_data_device_t* device) { |
| return device->common.close(&device->common); |
| } |
| |
| __END_DECLS |