summaryrefslogtreecommitdiff
path: root/als/sensors.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'als/sensors.cpp')
-rw-r--r--als/sensors.cpp390
1 files changed, 0 insertions, 390 deletions
diff --git a/als/sensors.cpp b/als/sensors.cpp
deleted file mode 100644
index 76a4537..0000000
--- a/als/sensors.cpp
+++ /dev/null
@@ -1,390 +0,0 @@
-/*
- * 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.
- */
-
-#include <hardware/sensors.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <dirent.h>
-#include <math.h>
-#include <poll.h>
-#include <pthread.h>
-#include <stdlib.h>
-#include <string.h>
-#include <linux/input.h>
-#include <utils/Atomic.h>
-#include <utils/Log.h>
-
-#include "sensors.h"
-#include "AlsSensor.h"
-
-/*****************************************************************************/
-
-#define DELAY_OUT_TIME 0x7FFFFFFF
-#define LIGHT_SENSOR_POLLTIME 2000000000
-
-#define SENSORS_LIGHT_HANDLE (ID_L)
-#define SENSORS_TILT_HANDLE (ID_T)
-/*****************************************************************************/
-
-/* The SENSORS Module */
-static struct sensor_t sSensorList[] = {
- { "TSL2584 Ambient light sensor",
- "ams, ltd.",
- 1, SENSORS_LIGHT_HANDLE,
- SENSOR_TYPE_LIGHT, 65535.0f, 1.0f, 0.015f,
- 0, 0, 0, SENSOR_STRING_TYPE_LIGHT, NULL,
- 5000000, SENSOR_FLAG_ON_CHANGE_MODE, { } },
-};
-
-static int open_sensors(const struct hw_module_t* module, const char* id,
- struct hw_device_t** device);
-
-
-static int sensors__get_sensors_list(struct sensors_module_t* /* module */,
- struct sensor_t const** list)
-{
- *list = sSensorList;
- return ARRAY_SIZE(sSensorList);
-}
-
-static struct hw_module_methods_t sensors_module_methods = {
- open: open_sensors
-};
-
-struct sensors_module_t HAL_MODULE_INFO_SYM = {
- common: {
- tag: HARDWARE_MODULE_TAG,
- version_major: 1,
- version_minor: 0,
- id: SENSORS_HARDWARE_MODULE_ID,
- name: "Intel MVN Sensor module",
- author: "Intel MVN Company",
- methods: &sensors_module_methods,
- dso: 0,
- reserved: {},
- },
- get_sensors_list: sensors__get_sensors_list,
-};
-
-struct sensors_poll_context_t {
-#ifdef HAL_VERSION_GE_1_0
- struct sensors_poll_device_1 device; // must be first
-#else
- struct sensors_poll_device_t device; // must be first
-#endif
- sensors_poll_context_t();
- ~sensors_poll_context_t();
- int activate(int handle, int enabled);
- int setDelay(int handle, int64_t ns);
-#ifdef HAL_VERSION_GT_1_0
- int batch(int handle, int flags, int64_t period_ns, int64_t timeout);
- int flush(int handle);
-#endif
- int pollEvents(sensors_event_t* data, int count);
- bool getInitialized() { return mInitialized; };
-
-private:
- bool mInitialized;
-
- enum {
- light = 0,
- numSensorDrivers, /* wake pipe goes here */
- flushPipe, /* flush pipe goes here */
- numFds,
- };
-
- static const size_t wake = numFds - 2;
- static const char WAKE_MESSAGE = 'W';
- struct pollfd mPollFds[numFds];
- int mWritePipeFd;
- int mFlushWritePipeFd;
- SensorBase* mSensors[numSensorDrivers];
-
- int handleToDriver(int handle) const {
- switch (handle) {
- case ID_L:
- return light;
- }
- return -EINVAL;
- }
-};
-
-/*****************************************************************************/
-
-sensors_poll_context_t::sensors_poll_context_t()
-{
- FUNC_LOG;
- mInitialized = false;
- /* Must clean this up early or else the destructor will make a mess */
- memset(mSensors, 0, sizeof(mSensors));
-
- mSensors[light] = new LightSensor();
- mPollFds[light].fd = mSensors[light]->getFd();
- mPollFds[light].events = POLLIN;
- mPollFds[light].revents = 0;
-
- int wakeFds[2];
- int result = pipe(wakeFds);
- ALOGE_IF(result<0, "error creating wake pipe (%s)", strerror(errno));
- result = fcntl(wakeFds[0], F_SETFL, O_NONBLOCK);
- ALOGE_IF(result<0, "error setting wakeFds[0] access mode (%s)", strerror(errno));
- result = fcntl(wakeFds[1], F_SETFL, O_NONBLOCK);
- ALOGE_IF(result<0, "error setting wakeFds[1] access mode (%s)", strerror(errno));
- mWritePipeFd = wakeFds[1];
-
- mPollFds[wake].fd = wakeFds[0];
- mPollFds[wake].events = POLLIN;
- mPollFds[wake].revents = 0;
-
- int flushFds[2];
- result = pipe(flushFds);
- ALOGE_IF(result<0, "error creating flush pipe (%s)", strerror(errno));
- result = fcntl(flushFds[0], F_SETFL, O_NONBLOCK);
- ALOGE_IF(result<0, "error setting flushFds[0] access mode (%s)", strerror(errno));
- result = fcntl(flushFds[1], F_SETFL, O_NONBLOCK);
- ALOGE_IF(result<0, "error setting flushFds[1] access mode (%s)", strerror(errno));
- mFlushWritePipeFd = flushFds[1];
-
- mPollFds[flushPipe].fd = flushFds[0];
- mPollFds[flushPipe].events = POLLIN;
- mPollFds[flushPipe].revents = 0;
- mInitialized = true;
-}
-
-sensors_poll_context_t::~sensors_poll_context_t()
-{
- FUNC_LOG;
- for (int i=0 ; i<numSensorDrivers ; i++) {
- delete mSensors[i];
- }
- close(mPollFds[wake].fd);
- close(mWritePipeFd);
- close(mPollFds[flushPipe].fd);
- close(mFlushWritePipeFd);
- mInitialized = false;
-}
-
-int sensors_poll_context_t::activate(int handle, int enabled)
-{
- FUNC_LOG;
- if (!mInitialized) return -EINVAL;
- int index = handleToDriver(handle);
- if (index < 0) return index;
- int err = mSensors[index]->enable(handle, enabled);
- if (!err) {
- const char wakeMessage(WAKE_MESSAGE);
- int result = write(mWritePipeFd, &wakeMessage, 1);
- ALOGE_IF(result<0, "error sending wake message (%s)", strerror(errno));
- }
- return err;
-}
-
-int sensors_poll_context_t::setDelay(int handle, int64_t ns)
-{
- FUNC_LOG;
- int index = handleToDriver(handle);
- if (index < 0) return index;
- return mSensors[index]->setDelay(handle, ns);
-}
-
-#ifdef HAL_VERSION_GT_1_0
-int sensors_poll_context_t::batch(int handle, int flags, int64_t period_ns, int64_t timeout)
-{
- FUNC_LOG;
- int index = handleToDriver(handle);
- if (index < 0) return index;
- return mSensors[index]->batch(handle, flags, period_ns, timeout);
-}
-
-int sensors_poll_context_t::flush(int handle)
-{
- FUNC_LOG;
- int result;
- sensors_event_t flush_event_data;
-
- int index = handleToDriver(handle);
- if (index < 0) return index;
-
- result = mSensors[index]->isActivated(handle);
- if (!result)
- return -EINVAL;
-
- flush_event_data.sensor = 0;
- flush_event_data.timestamp = 0;
- flush_event_data.meta_data.sensor = handle;
- flush_event_data.meta_data.what = META_DATA_FLUSH_COMPLETE;
- flush_event_data.type = SENSOR_TYPE_META_DATA;
- flush_event_data.version = META_DATA_VERSION;
-
- result = write(mFlushWritePipeFd, &flush_event_data, sizeof(sensors_event_t));
- ALOGE_IF(result<0, "error sending flush event data (%s)", strerror(errno));
-
- return (result >= 0 ? 0 : result);
-}
-#endif
-
-int sensors_poll_context_t::pollEvents(sensors_event_t* data, int count)
-{
- FUNC_LOG;
- int nbEvents = 0;
- int n = 0;
- do {
- for (int i=0 ; count && i<numSensorDrivers; i++) {
- SensorBase* const sensor(mSensors[i]);
- if ((mPollFds[i].revents & POLLIN) || (sensor->hasPendingEvents())) {
- int nb;
- nb = sensor->readEvents(data, count);
- if (nb < count) {
- mPollFds[i].revents = 0;
- }
- count -= nb;
- nbEvents += nb;
- data += nb;
- }
- }
-
- /* flush event data */
- if (count) {
- if (mPollFds[flushPipe].revents & POLLIN) {
- int nb = read(mPollFds[flushPipe].fd, data, count * sizeof(sensors_event_t));
- if (nb < 0) {
- ALOGE("error reading from flush pipe (%s)", strerror(errno));
- return -errno;
- }
- nb = nb/sizeof(sensors_event_t);
- mPollFds[flushPipe].revents = 0;
- count -= nb;
- nbEvents += nb;
- data += nb;
- }
- }
-
- if (count) {
- ALOGV("%s: start poll syscall to kernel", __func__);
- n = poll(mPollFds, numFds, nbEvents ? 0 : -1);
- if (n < 0) {
- ALOGE("poll() failed (%s)", strerror(errno));
- return -errno;
- }
-
- if (mPollFds[wake].revents & POLLIN) {
- char msg;
- int result = read(mPollFds[wake].fd, &msg, 1);
- ALOGE_IF(result<0, "error reading from wake pipe (%s)", strerror(errno));
- ALOGE_IF(msg != WAKE_MESSAGE, "unknown message on wake queue (0x%02x)", int(msg));
- mPollFds[wake].revents = 0;
- }
- }
- } while (n && count);
- return nbEvents;
-}
-
-/*****************************************************************************/
-
-static int poll__close(struct hw_device_t *dev)
-{
- FUNC_LOG;
- sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev;
- if (ctx) {
- delete ctx;
- }
- return 0;
-}
-
-static int poll__activate(struct sensors_poll_device_t *dev,
- int handle, int enabled)
-{
- FUNC_LOG;
- sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev;
- return ctx->activate(handle, enabled);
-}
-
-static int poll__setDelay(struct sensors_poll_device_t *dev,
- int handle, int64_t ns)
-{
- FUNC_LOG;
- sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev;
- return ctx->setDelay(handle, ns);
-}
-
-#ifdef HAL_VERSION_GT_1_0
-static int poll__batch(struct sensors_poll_device_1 *dev,
- int handle, int flags, int64_t period_ns, int64_t timeout)
-{
- FUNC_LOG;
- sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev;
- return ctx->batch(handle, flags, period_ns, timeout);
-}
-
-static int poll_flush(struct sensors_poll_device_1 *dev, int handle)
-{
- FUNC_LOG;
- sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev;
- return ctx->flush(handle);
-}
-#endif
-
-static int poll__poll(struct sensors_poll_device_t *dev,
- sensors_event_t* data, int count)
-{
- FUNC_LOG;
- sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev;
- return ctx->pollEvents(data, count);
-}
-
-/*****************************************************************************/
-
-/** Open a new instance of a sensor device using name */
-static int open_sensors(const struct hw_module_t* module, const char* id,
- struct hw_device_t** device)
-{
- FUNC_LOG;
- int status = -EINVAL;
- sensors_poll_context_t *dev = new sensors_poll_context_t();
-
- if (!dev->getInitialized()) {
- ALOGE("Failed to open the sensors (%s)", id);
- return status;
- }
-#ifdef HAL_VERSION_GE_1_0
- memset(&dev->device, 0, sizeof(sensors_poll_device_1));
-#else
- memset(&dev->device, 0, sizeof(sensors_poll_device_t));
-#endif
-
- dev->device.common.tag = HARDWARE_DEVICE_TAG;
-#ifdef ANDROID_KK
- dev->device.common.version = SENSORS_DEVICE_API_VERSION_1_1;
-#elif defined(ANDROID_JBMR2)
- dev->device.common.version = SENSORS_DEVICE_API_VERSION_1_0;
-#else
- dev->device.common.version = SENSORS_DEVICE_API_VERSION_1_3;
-#endif
- dev->device.common.module = const_cast<hw_module_t*>(module);
- dev->device.common.close = poll__close;
- dev->device.activate = poll__activate;
- dev->device.setDelay = poll__setDelay;
-#ifdef HAL_VERSION_GT_1_0
- dev->device.batch = poll__batch;
- dev->device.flush = poll_flush;
-#endif
- dev->device.poll = poll__poll;
-
- *device = &dev->device.common;
- status = 0;
-
- return status;
-}