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/*
* Copyright (C) 2015 Intel Corp
*
* 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 ANDROID_SENSOR_BASE_H
#define ANDROID_SENSOR_BASE_H
#include <stdint.h>
#include <errno.h>
#include <sys/cdefs.h>
#include <sys/types.h>
#if ANDROID_VERSION >= 5
/* #warning "build for Wear" */
#define LOGV_IF ALOGV_IF
#define LOGE_IF ALOGE_IF
#define LOGI_IF ALOGI_IF
#define LOGI ALOGI
#define LOGE ALOGE
#define LOGV ALOGV
#define LOGW ALOGW
#else
#warning "build for ICS or earlier version"
#endif
/* Log enablers, each of these independent */
/* TODO: clear all logging below on production build, keep it during integration */
#define PROCESS_VERBOSE (1) /* process log messages */
#define EXTRA_VERBOSE (1) /* verbose log messages */
#define SYSFS_VERBOSE (1) /* log sysfs interactions as cat/echo for repro
purpose on a shell */
#define FUNC_ENTRY (1) /* log entry in all one-time functions */
/* Note that enabling this logs may affect performance */
#define HANDLER_ENTRY (1) /* log entry in all handler functions */
#define ENG_VERBOSE (1) /* log some a lot more info about the internals */
#define INPUT_DATA (1) /* log the data input from the events */
#define HANDLER_DATA (1) /* log the data fetched from the handlers */
#define FUNC_LOG \
LOGV("%s (hardware/intel/sensors/tilt)", __PRETTY_FUNCTION__)
#define VFUNC_LOG \
LOGV_IF(FUNC_ENTRY, "Entering function '%s' (hardware/intel/sensors/tilt)", __PRETTY_FUNCTION__)
#define VHANDLER_LOG \
LOGV_IF(HANDLER_ENTRY, "Entering handler '%s' (hardware/intel/sensors/tilt)", __PRETTY_FUNCTION__)
#define CALL_MEMBER_FN(pobject, ptrToMember) ((pobject)->*(ptrToMember))
#define MAX_SYSFS_NAME_LEN (100)
#define IIO_BUFFER_LENGTH (480)
struct sensors_event_t;
class SensorBase {
protected:
const char *dev_name;
const char *data_name;
char input_name[PATH_MAX];
int dev_fd;
int data_fd;
int openInput(const char* inputName);
static int64_t getTimestamp();
static int64_t timevalToNano(timeval const& t) {
return t.tv_sec * 1000000000LL + t.tv_usec * 1000;
}
int open_device();
int close_device();
public:
SensorBase(const char* dev_name, const char* data_name);
virtual ~SensorBase();
virtual int readEvents(sensors_event_t* data, int count) = 0;
virtual bool hasPendingEvents() const;
virtual int getFd() const;
virtual int setDelay(int32_t handle, int64_t ns);
virtual int enable(int32_t handle, int enabled);
virtual int isActivated(int handle);
#ifdef HAL_VERSION_GT_1_0
virtual int batch(int handle, int flags, int64_t period_ns, int64_t timeout);
#endif
};
#endif // ANDROID_SENSOR_BASE_H
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