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104 lines
3.5 KiB
104 lines
3.5 KiB
/* |
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* Copyright (C) 2014 Invensense, Inc. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#ifndef ANDROID_SENSOR_BASE_H |
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#define ANDROID_SENSOR_BASE_H |
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#include <stdint.h> |
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#include <errno.h> |
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#include <sys/cdefs.h> |
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#include <sys/types.h> |
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#if defined ANDROID_JELLYBEAN || defined ANDROID_KITKAT || defined ANDROID_LOLLIPOP |
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//build for Jellybean or KitKat |
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#define LOGV_IF ALOGV_IF |
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#define LOGE_IF ALOGE_IF |
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#define LOGI_IF ALOGI_IF |
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#define LOGI ALOGI |
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#define LOGE ALOGE |
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#define LOGV ALOGV |
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#define LOGW ALOGW |
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#else |
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//build for ICS or earlier version |
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#endif |
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#define FUNC_LOG \ |
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LOGV("%s", __PRETTY_FUNCTION__) |
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#define VFUNC_LOG \ |
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LOGV_IF(SensorBase::FUNC_ENTRY, \ |
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"Entering function '%s'", __PRETTY_FUNCTION__) |
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#define VHANDLER_LOG \ |
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LOGV_IF(SensorBase::HANDLER_ENTRY, \ |
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"Entering handler '%s'", __PRETTY_FUNCTION__) |
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#define CALL_MEMBER_FN(pobject, ptrToMember) ((pobject)->*(ptrToMember)) |
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#define MAX_SYSFS_NAME_LEN (100) |
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#define IIO_BUFFER_LENGTH (960) |
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/*****************************************************************************/ |
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struct sensors_event_t; |
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class SensorBase { |
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public: |
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/* Log enablers, each of these independent */ |
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static bool PROCESS_VERBOSE; /* process log messages */ |
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static bool EXTRA_VERBOSE; /* verbose log messages */ |
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static bool SYSFS_VERBOSE; /* log sysfs interactions as cat/echo for |
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repro purpose on a shell */ |
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/* Note that enabling this logs may affect performance */ |
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static bool FUNC_ENTRY; /* log entry in all one-time functions */ |
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static bool HANDLER_ENTRY; /* log entry in all handler functions */ |
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static bool ENG_VERBOSE; /* log a lot more info about the internals */ |
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static bool INPUT_DATA; /* log the data input from the events */ |
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static bool HANDLER_DATA; /* log the data fetched from the handlers */ |
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static bool DEBUG_BATCHING; /* log the data for debugging batching */ |
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protected: |
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const char *dev_name; |
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const char *data_name; |
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char input_name[PATH_MAX]; |
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int dev_fd; |
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int data_fd; |
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int openInput(const char* inputName); |
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static int64_t getTimestamp(); |
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static int64_t timevalToNano(timeval const& t) { |
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return t.tv_sec * 1000000000LL + t.tv_usec * 1000; |
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} |
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int open_device(); |
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int close_device(); |
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public: |
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SensorBase(const char* dev_name, const char* data_name); |
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virtual ~SensorBase(); |
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virtual int readEvents(sensors_event_t* data, int count) = 0; |
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int readSample(long *data, int64_t *timestamp); |
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int readRawSample(float *data, int64_t *timestamp); |
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virtual bool hasPendingEvents() const; |
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virtual int getFd() const; |
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virtual int setDelay(int32_t handle, int64_t ns); |
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virtual int enable(int32_t handle, int enabled); |
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virtual int query(int what, int* value); |
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virtual int batch(int handle, int flags, int64_t period_ns, int64_t timeout); |
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virtual int flush(int handle); |
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}; |
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/*****************************************************************************/ |
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#endif // ANDROID_SENSOR_BASE_H
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