blob: bb8708bd1e5e01215ffd041a430fa4ff35421342 [file] [log] [blame]
/*
* Copyright (C) 2009 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 LOG_TAG "sensor"
#include <utils/Log.h>
#include <android/looper.h>
#include <android/sensor.h>
#include <android/sharedmem.h>
#include <cutils/native_handle.h>
#include <sensor/Sensor.h>
#include <sensor/SensorManager.h>
#include <sensor/SensorEventQueue.h>
#include <utils/Looper.h>
#include <utils/RefBase.h>
#include <utils/Timers.h>
#include <vndk/hardware_buffer.h>
#include <poll.h>
using android::sp;
using android::Sensor;
using android::SensorManager;
using android::SensorEventQueue;
using android::String8;
using android::String16;
/*****************************************************************************/
#define ERROR_INVALID_PARAMETER(message) ALOGE("%s: " message, __func__)
// frequently used checks
#define RETURN_IF_MANAGER_IS_NULL(retval) do {\
if (manager == nullptr) { \
ERROR_INVALID_PARAMETER("manager cannot be NULL"); \
return retval; \
} \
} while (false)
#define RETURN_IF_SENSOR_IS_NULL(retval) do {\
if (sensor == nullptr) { \
ERROR_INVALID_PARAMETER("sensor cannot be NULL"); \
return retval; \
} \
} while (false)
#define RETURN_IF_QUEUE_IS_NULL(retval) do {\
if (queue == nullptr) { \
ERROR_INVALID_PARAMETER("queue cannot be NULL"); \
return retval; \
} \
} while (false)
ASensorManager* ASensorManager_getInstance() {
return ASensorManager_getInstanceForPackage(nullptr);
}
ASensorManager* ASensorManager_getInstanceForPackage(const char* packageName) {
if (packageName) {
return &SensorManager::getInstanceForPackage(String16(packageName));
} else {
return &SensorManager::getInstanceForPackage(String16());
}
}
int ASensorManager_getSensorList(ASensorManager* manager, ASensorList* list) {
RETURN_IF_MANAGER_IS_NULL(android::BAD_VALUE);
Sensor const* const* l;
int c = static_cast<SensorManager*>(manager)->getSensorList(&l);
if (list) {
*list = reinterpret_cast<ASensorList>(l);
}
return c;
}
ssize_t ASensorManager_getDynamicSensorList(ASensorManager* manager, ASensorList* list) {
RETURN_IF_MANAGER_IS_NULL(android::BAD_VALUE);
Sensor const* const* l;
ssize_t c = static_cast<SensorManager*>(manager)->getDynamicSensorList(&l);
if (list) {
*list = reinterpret_cast<ASensorList>(l);
}
return c;
}
ASensor const* ASensorManager_getDefaultSensor(ASensorManager* manager, int type) {
RETURN_IF_MANAGER_IS_NULL(nullptr);
return static_cast<SensorManager*>(manager)->getDefaultSensor(type);
}
ASensor const* ASensorManager_getDefaultSensorEx(ASensorManager* manager, int type, bool wakeUp) {
RETURN_IF_MANAGER_IS_NULL(nullptr);
Sensor const* const* sensorList;
size_t size = static_cast<SensorManager*>(manager)->getSensorList(&sensorList);
for (size_t i = 0; i < size; ++i) {
if (ASensor_getType(sensorList[i]) == type &&
ASensor_isWakeUpSensor(sensorList[i]) == wakeUp) {
return reinterpret_cast<ASensor const *>(sensorList[i]);
}
}
return nullptr;
}
ASensorEventQueue* ASensorManager_createEventQueue(ASensorManager* manager,
ALooper* looper, int ident, ALooper_callbackFunc callback, void* data) {
RETURN_IF_MANAGER_IS_NULL(nullptr);
if (looper == nullptr) {
ERROR_INVALID_PARAMETER("looper cannot be NULL");
return nullptr;
}
sp<SensorEventQueue> queue =
static_cast<SensorManager*>(manager)->createEventQueue();
if (queue != 0) {
ALooper_addFd(looper, queue->getFd(), ident, ALOOPER_EVENT_INPUT, callback, data);
queue->looper = looper;
queue->requestAdditionalInfo = false;
queue->incStrong(manager);
}
return static_cast<ASensorEventQueue*>(queue.get());
}
int ASensorManager_destroyEventQueue(ASensorManager* manager, ASensorEventQueue* queue) {
RETURN_IF_MANAGER_IS_NULL(android::BAD_VALUE);
RETURN_IF_QUEUE_IS_NULL(android::BAD_VALUE);
sp<SensorEventQueue> q = static_cast<SensorEventQueue*>(queue);
ALooper_removeFd(q->looper, q->getFd());
q->decStrong(manager);
return 0;
}
int ASensorManager_createSharedMemoryDirectChannel(ASensorManager *manager, int fd, size_t size) {
RETURN_IF_MANAGER_IS_NULL(android::BAD_VALUE);
if (fd < 0) {
ERROR_INVALID_PARAMETER("fd is invalid.");
return android::BAD_VALUE;
}
if (size < sizeof(ASensorEvent)) {
ERROR_INVALID_PARAMETER("size has to be greater or equal to sizeof(ASensorEvent).");
return android::BAD_VALUE;
}
native_handle_t *resourceHandle = native_handle_create(1 /* nFd */, 0 /* nInt */);
if (!resourceHandle) {
return android::NO_MEMORY;
}
resourceHandle->data[0] = fd;
int ret = static_cast<SensorManager *>(manager)->createDirectChannel(
size, ASENSOR_DIRECT_CHANNEL_TYPE_SHARED_MEMORY, resourceHandle);
native_handle_delete(resourceHandle);
return ret;
}
int ASensorManager_createHardwareBufferDirectChannel(
ASensorManager *manager, AHardwareBuffer const *buffer, size_t size) {
RETURN_IF_MANAGER_IS_NULL(android::BAD_VALUE);
if (buffer == nullptr) {
ERROR_INVALID_PARAMETER("buffer cannot be NULL");
return android::BAD_VALUE;
}
if (size < sizeof(ASensorEvent)) {
ERROR_INVALID_PARAMETER("size has to be greater or equal to sizeof(ASensorEvent).");
return android::BAD_VALUE;
}
const native_handle_t *resourceHandle = AHardwareBuffer_getNativeHandle(buffer);
if (!resourceHandle) {
return android::NO_MEMORY;
}
return static_cast<SensorManager *>(manager)->createDirectChannel(
size, ASENSOR_DIRECT_CHANNEL_TYPE_HARDWARE_BUFFER, resourceHandle);
}
void ASensorManager_destroyDirectChannel(ASensorManager *manager, int channelId) {
RETURN_IF_MANAGER_IS_NULL(void());
static_cast<SensorManager *>(manager)->destroyDirectChannel(channelId);
}
int ASensorManager_configureDirectReport(
ASensorManager *manager, ASensor const *sensor, int channelId, int rate) {
RETURN_IF_MANAGER_IS_NULL(android::BAD_VALUE);
int sensorHandle;
if (sensor == nullptr) {
if (rate != ASENSOR_DIRECT_RATE_STOP) {
ERROR_INVALID_PARAMETER(
"sensor cannot be null when rate is not ASENSOR_DIRECT_RATE_STOP");
return android::BAD_VALUE;
}
sensorHandle = -1;
} else {
sensorHandle = static_cast<Sensor const *>(sensor)->getHandle();
}
return static_cast<SensorManager *>(manager)->configureDirectChannel(
channelId, sensorHandle, rate);
}
/*****************************************************************************/
int ASensorEventQueue_registerSensor(ASensorEventQueue* queue, ASensor const* sensor,
int32_t samplingPeriodUs, int64_t maxBatchReportLatencyUs) {
RETURN_IF_QUEUE_IS_NULL(android::BAD_VALUE);
RETURN_IF_SENSOR_IS_NULL(android::BAD_VALUE);
if (samplingPeriodUs < 0 || maxBatchReportLatencyUs < 0) {
ERROR_INVALID_PARAMETER("samplingPeriodUs and maxBatchReportLatencyUs cannot be negative");
return android::BAD_VALUE;
}
return static_cast<SensorEventQueue*>(queue)->enableSensor(
static_cast<Sensor const*>(sensor)->getHandle(), samplingPeriodUs,
maxBatchReportLatencyUs, 0);
}
int ASensorEventQueue_enableSensor(ASensorEventQueue* queue, ASensor const* sensor) {
RETURN_IF_QUEUE_IS_NULL(android::BAD_VALUE);
RETURN_IF_SENSOR_IS_NULL(android::BAD_VALUE);
return static_cast<SensorEventQueue*>(queue)->enableSensor(
static_cast<Sensor const*>(sensor));
}
int ASensorEventQueue_disableSensor(ASensorEventQueue* queue, ASensor const* sensor) {
RETURN_IF_QUEUE_IS_NULL(android::BAD_VALUE);
RETURN_IF_SENSOR_IS_NULL(android::BAD_VALUE);
return static_cast<SensorEventQueue*>(queue)->disableSensor(
static_cast<Sensor const*>(sensor));
}
int ASensorEventQueue_setEventRate(ASensorEventQueue* queue, ASensor const* sensor, int32_t usec) {
RETURN_IF_QUEUE_IS_NULL(android::BAD_VALUE);
RETURN_IF_SENSOR_IS_NULL(android::BAD_VALUE);
if (usec < 0) {
ERROR_INVALID_PARAMETER("usec cannot be negative");
return android::BAD_VALUE;
}
return static_cast<SensorEventQueue*>(queue)->setEventRate(
static_cast<Sensor const*>(sensor), us2ns(usec));
}
int ASensorEventQueue_hasEvents(ASensorEventQueue* queue) {
RETURN_IF_QUEUE_IS_NULL(android::BAD_VALUE);
struct pollfd pfd;
pfd.fd = static_cast<SensorEventQueue*>(queue)->getFd();
pfd.events = POLLIN;
pfd.revents = 0;
int nfd = poll(&pfd, 1, 0);
if (nfd < 0)
return -errno;
if (pfd.revents != POLLIN)
return -1;
return (nfd == 0) ? 0 : 1;
}
ssize_t ASensorEventQueue_getEvents(ASensorEventQueue* queue, ASensorEvent* events, size_t count) {
RETURN_IF_QUEUE_IS_NULL(android::BAD_VALUE);
if (events == nullptr) {
ERROR_INVALID_PARAMETER("events cannot be NULL");
return android::BAD_VALUE;
}
SensorEventQueue* sensorQueue = static_cast<SensorEventQueue*>(queue);
ssize_t actual = sensorQueue->read(events, count);
if (actual > 0) {
sensorQueue->sendAck(events, actual);
}
return sensorQueue->filterEvents(events, actual);
}
int ASensorEventQueue_requestAdditionalInfoEvents(ASensorEventQueue* queue, bool enable) {
RETURN_IF_QUEUE_IS_NULL(android::BAD_VALUE);
queue->requestAdditionalInfo = enable;
return android::OK;
}
/*****************************************************************************/
const char* ASensor_getName(ASensor const* sensor) {
RETURN_IF_SENSOR_IS_NULL(nullptr);
return static_cast<Sensor const*>(sensor)->getName().c_str();
}
const char* ASensor_getVendor(ASensor const* sensor) {
RETURN_IF_SENSOR_IS_NULL(nullptr);
return static_cast<Sensor const*>(sensor)->getVendor().c_str();
}
int ASensor_getType(ASensor const* sensor) {
RETURN_IF_SENSOR_IS_NULL(ASENSOR_TYPE_INVALID);
return static_cast<Sensor const*>(sensor)->getType();
}
float ASensor_getResolution(ASensor const* sensor) {
RETURN_IF_SENSOR_IS_NULL(ASENSOR_RESOLUTION_INVALID);
return static_cast<Sensor const*>(sensor)->getResolution();
}
int ASensor_getMinDelay(ASensor const* sensor) {
RETURN_IF_SENSOR_IS_NULL(ASENSOR_DELAY_INVALID);
return static_cast<Sensor const*>(sensor)->getMinDelay();
}
int ASensor_getFifoMaxEventCount(ASensor const* sensor) {
RETURN_IF_SENSOR_IS_NULL(ASENSOR_FIFO_COUNT_INVALID);
return static_cast<Sensor const*>(sensor)->getFifoMaxEventCount();
}
int ASensor_getFifoReservedEventCount(ASensor const* sensor) {
RETURN_IF_SENSOR_IS_NULL(ASENSOR_FIFO_COUNT_INVALID);
return static_cast<Sensor const*>(sensor)->getFifoReservedEventCount();
}
const char* ASensor_getStringType(ASensor const* sensor) {
RETURN_IF_SENSOR_IS_NULL(nullptr);
return static_cast<Sensor const*>(sensor)->getStringType().c_str();
}
int ASensor_getReportingMode(ASensor const* sensor) {
RETURN_IF_SENSOR_IS_NULL(AREPORTING_MODE_INVALID);
return static_cast<Sensor const*>(sensor)->getReportingMode();
}
bool ASensor_isWakeUpSensor(ASensor const* sensor) {
RETURN_IF_SENSOR_IS_NULL(false);
return static_cast<Sensor const*>(sensor)->isWakeUpSensor();
}
bool ASensor_isDirectChannelTypeSupported(ASensor const *sensor, int channelType) {
RETURN_IF_SENSOR_IS_NULL(false);
return static_cast<Sensor const *>(sensor)->isDirectChannelTypeSupported(channelType);
}
int ASensor_getHighestDirectReportRateLevel(ASensor const *sensor) {
RETURN_IF_SENSOR_IS_NULL(ASENSOR_DIRECT_RATE_STOP);
return static_cast<Sensor const *>(sensor)->getHighestDirectReportRateLevel();
}
int ASensor_getHandle(ASensor const* sensor) {
RETURN_IF_SENSOR_IS_NULL(ASENSOR_INVALID);
return static_cast<Sensor const*>(sensor)->getHandle();
}