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/*
* 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"
namespace android {
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);
}
};
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