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-rw-r--r--libsensors/sensors.cpp395
1 files changed, 0 insertions, 395 deletions
diff --git a/libsensors/sensors.cpp b/libsensors/sensors.cpp
deleted file mode 100644
index 74b7f21..0000000
--- a/libsensors/sensors.cpp
+++ /dev/null
@@ -1,395 +0,0 @@
-/*
- * 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 ALOG_TAG "Sensors"
-
-#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 <cstring>
-
-#include <linux/input.h>
-
-#include <utils/Atomic.h>
-#include <utils/Log.h>
-
-#include "sensors.h"
-
-#include "LightSensor.h"
-#include "ProximitySensor.h"
-#include "AkmSensor.h"
-#include "GyroSensor.h"
-#include "AccelSensor.h"
-#include "PressureSensor.h"
-
-/*****************************************************************************/
-
-#define DELAY_OUT_TIME 0x7FFFFFFF
-
-#define LIGHT_SENSOR_POLLTIME 2000000000
-
-
-#define SENSORS_ACCELERATION (1<<ID_A)
-#define SENSORS_MAGNETIC_FIELD (1<<ID_M)
-#define SENSORS_ORIENTATION (1<<ID_O)
-#define SENSORS_LIGHT (1<<ID_L)
-#define SENSORS_PROXIMITY (1<<ID_P)
-#define SENSORS_GYROSCOPE (1<<ID_GY)
-#define SENSORY_PRESSURE (1<<ID_PR)
-
-#define SENSORS_ACCELERATION_HANDLE 0
-#define SENSORS_MAGNETIC_FIELD_HANDLE 1
-#define SENSORS_ORIENTATION_HANDLE 2
-#define SENSORS_LIGHT_HANDLE 3
-#define SENSORS_PROXIMITY_HANDLE 4
-#define SENSORS_GYROSCOPE_HANDLE 5
-#define SENSORS_PRESSURE_HANDLE 6
-
-#define AKM_FTRACE 0
-#define AKM_DEBUG 0
-#define AKM_DATA 0
-
-/*****************************************************************************/
-
-/* The SENSORS Module */
-static const struct sensor_t sSensorList[] = {
- { "LSM330DLC Acceleration Sensor",
- "STMicroelectronics",
- 1, SENSORS_ACCELERATION_HANDLE,
- SENSOR_TYPE_ACCELEROMETER, RANGE_A, 0.0096f, 0.23f, 10000, 0, 0,
- SENSOR_STRING_TYPE_ACCELEROMETER, "", 0, SENSOR_FLAG_CONTINUOUS_MODE, { } },
- { "AK8975C Magnetic field Sensor",
- "Asahi Kasei Microdevices",
- 1, SENSORS_MAGNETIC_FIELD_HANDLE,
- SENSOR_TYPE_MAGNETIC_FIELD, 2000.0f, CONVERT_M, 6.8f, 10000, 0, 0,
- SENSOR_STRING_TYPE_MAGNETIC_FIELD, "", 0, SENSOR_FLAG_CONTINUOUS_MODE, { } },
- { "LSM330DLC Gyroscope Sensor",
- "STMicroelectronics",
- 1, SENSORS_GYROSCOPE_HANDLE,
- SENSOR_TYPE_GYROSCOPE, RANGE_GYRO, CONVERT_GYRO, 6.1f, 5000, 0, 0,
- SENSOR_STRING_TYPE_GYROSCOPE, "", 0, SENSOR_FLAG_CONTINUOUS_MODE, { } },
- { "LPS331AP Pressure sensor",
- "STMicroelectronics",
- 1, SENSORS_PRESSURE_HANDLE,
- SENSOR_TYPE_PRESSURE, 1260.0f, 1.0f / 4096, 0.045f, 40000, 0, 0,
- SENSOR_STRING_TYPE_PRESSURE, "", 20000, SENSOR_FLAG_CONTINUOUS_MODE, { } },
- { "CM36651 Proximity Sensor",
- "Capella Microsystems",
- 1, SENSORS_PROXIMITY_HANDLE,
- SENSOR_TYPE_PROXIMITY, 6.0f, 6.0f, 1.3f, 0, 0, 0,
- SENSOR_STRING_TYPE_PROXIMITY, "", 0, SENSOR_FLAG_WAKE_UP | SENSOR_FLAG_ON_CHANGE_MODE, { } },
- { "CM36651 Light Sensor",
- "Capella Microsystems",
- 1, SENSORS_LIGHT_HANDLE,
- SENSOR_TYPE_LIGHT, 121240.0f, 1.0f, 0.2f, 0, 0, 0,
- SENSOR_STRING_TYPE_LIGHT, "", 0, 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: "Samsung Sensor module",
- author: "Samsung Electronic Company",
- methods: &sensors_module_methods,
- },
- get_sensors_list: sensors__get_sensors_list,
-};
-
-struct sensors_poll_context_t {
- sensors_poll_device_1_t device; // must be first
-
- sensors_poll_context_t();
- ~sensors_poll_context_t();
- int activate(int handle, int enabled);
- int setDelay(int handle, int64_t ns);
- int pollEvents(sensors_event_t* data, int count);
- int batch(int handle, int flags, int64_t period_ns, int64_t timeout);
-
- // return true if the constructor is completed
- bool isValid() { return mInitialized; };
- int flush(int handle);
-
-private:
- enum {
- light = 0,
- proximity = 1,
- akm = 2,
- gyro = 3,
- accel = 4,
- pressure = 5,
- numSensorDrivers,
- numFds,
- };
-
- static const size_t wake = numFds - 1;
- static const char WAKE_MESSAGE = 'W';
- struct pollfd mPollFds[numFds];
- int mWritePipeFd;
- SensorBase* mSensors[numSensorDrivers];
- // return true if the constructor is completed
- bool mInitialized;
-
- int handleToDriver(int handle) const {
- switch (handle) {
- case ID_A:
- return accel;
- case ID_M:
- case ID_O:
- return akm;
- case ID_P:
- return proximity;
- case ID_L:
- return light;
- case ID_GY:
- return gyro;
- case ID_PR:
- return pressure;
- }
- return -EINVAL;
- }
-};
-
-/*****************************************************************************/
-
-sensors_poll_context_t::sensors_poll_context_t()
-{
- mSensors[light] = new LightSensor();
- mPollFds[light].fd = mSensors[light]->getFd();
- mPollFds[light].events = POLLIN;
- mPollFds[light].revents = 0;
-
- mSensors[proximity] = new ProximitySensor();
- mPollFds[proximity].fd = mSensors[proximity]->getFd();
- mPollFds[proximity].events = POLLIN;
- mPollFds[proximity].revents = 0;
-
- mSensors[akm] = new AkmSensor();
- mPollFds[akm].fd = mSensors[akm]->getFd();
- mPollFds[akm].events = POLLIN;
- mPollFds[akm].revents = 0;
-
- mSensors[gyro] = new GyroSensor();
- mPollFds[gyro].fd = mSensors[gyro]->getFd();
- mPollFds[gyro].events = POLLIN;
- mPollFds[gyro].revents = 0;
-
- mSensors[accel] = new AccelSensor();
- mPollFds[accel].fd = mSensors[accel]->getFd();
- mPollFds[accel].events = POLLIN;
- mPollFds[accel].revents = 0;
-
- mSensors[pressure] = new PressureSensor();
- mPollFds[pressure].fd = mSensors[pressure]->getFd();
- mPollFds[pressure].events = POLLIN;
- mPollFds[pressure].revents = 0;
-
- int wakeFds[2];
- int result = pipe(wakeFds);
- ALOGE_IF(result<0, "error creating wake pipe (%s)", strerror(errno));
- fcntl(wakeFds[0], F_SETFL, O_NONBLOCK);
- fcntl(wakeFds[1], F_SETFL, O_NONBLOCK);
- mWritePipeFd = wakeFds[1];
-
- mPollFds[wake].fd = wakeFds[0];
- mPollFds[wake].events = POLLIN;
- mPollFds[wake].revents = 0;
- mInitialized = true;
-}
-
-sensors_poll_context_t::~sensors_poll_context_t() {
- for (int i=0 ; i<numSensorDrivers ; i++) {
- delete mSensors[i];
- }
- close(mPollFds[wake].fd);
- close(mWritePipeFd);
- mInitialized = false;
-}
-
-int sensors_poll_context_t::activate(int handle, int enabled) {
- if (!mInitialized) return -EINVAL;
- int index = handleToDriver(handle);
- //ALOGI("Sensors: handle: %i", handle);
- if (index < 0) return index;
- int err = mSensors[index]->enable(handle, enabled);
- if (enabled && !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) {
-
- int index = handleToDriver(handle);
- if (index < 0) return index;
- return mSensors[index]->setDelay(handle, ns);
-}
-
-int sensors_poll_context_t::pollEvents(sensors_event_t* data, int count)
-{
- int nbEvents = 0;
- int n = 0;
-
- do {
- // see if we have some leftover from the last poll()
- for (int i=0 ; count && i<numSensorDrivers ; i++) {
- SensorBase* const sensor(mSensors[i]);
- if ((mPollFds[i].revents & POLLIN) || (sensor->hasPendingEvents())) {
- int nb = sensor->readEvents(data, count);
- if (nb < count) {
- // no more data for this sensor
- mPollFds[i].revents = 0;
- }
- count -= nb;
- nbEvents += nb;
- data += nb;
- }
- }
-
- if (count) {
- // we still have some room, so try to see if we can get
- // some events immediately or just wait if we don't have
- // anything to return
- 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;
- }
- }
- // if we have events and space, go read them
- } while (n && count);
-
- return nbEvents;
-}
-
-int sensors_poll_context_t::batch(int handle, int flags, int64_t period_ns, int64_t timeout)
-{
- 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)
-{
- int index = handleToDriver(handle);
- if (index < 0) return index;
- return mSensors[index]->flush(handle);
-}
-
-/*****************************************************************************/
-
-static int poll__close(struct hw_device_t *dev)
-{
- 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) {
- 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) {
- sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev;
- return ctx->setDelay(handle, ns);
-}
-
-static int poll__poll(struct sensors_poll_device_t *dev,
- sensors_event_t* data, int count) {
- sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev;
- return ctx->pollEvents(data, count);
-}
-
-static int poll__batch(struct sensors_poll_device_1 *dev,
- int handle, int flags, int64_t period_ns, int64_t timeout)
-{
- 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)
-{
- sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev;
- return ctx->flush(handle);
-}
-
-/*****************************************************************************/
-
-/** 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)
-{
- int status = -EINVAL;
- sensors_poll_context_t *dev = new sensors_poll_context_t();
-
- memset(&dev->device, 0, sizeof(sensors_poll_device_1));
-
- dev->device.common.tag = HARDWARE_DEVICE_TAG;
- dev->device.common.version = SENSORS_DEVICE_API_VERSION_1_0;
- 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;
- dev->device.poll = poll__poll;
-
- /* Batch processing */
- dev->device.batch = poll__batch;
- dev->device.flush = poll__flush;
-
- *device = &dev->device.common;
- status = 0;
-
- return status;
-}
-