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-rw-r--r--libsensors/GyroSensor.cpp181
1 files changed, 0 insertions, 181 deletions
diff --git a/libsensors/GyroSensor.cpp b/libsensors/GyroSensor.cpp
deleted file mode 100644
index ceb7d9c..0000000
--- a/libsensors/GyroSensor.cpp
+++ /dev/null
@@ -1,181 +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.
- */
-
-#include <fcntl.h>
-#include <errno.h>
-#include <math.h>
-#include <poll.h>
-#include <unistd.h>
-#include <dirent.h>
-#include <sys/select.h>
-#include <cutils/log.h>
-#include <cstring>
-
-#include "GyroSensor.h"
-
-#define LOGTAG "GyroSensor"
-
-#define FETCH_FULL_EVENT_BEFORE_RETURN 1
-#define IGNORE_EVENT_TIME 350000000
-/*****************************************************************************/
-
-GyroSensor::GyroSensor()
- : SensorBase(NULL, "gyro_sensor"),
- mEnabled(0),
- mInputReader(4),
- mHasPendingEvent(false),
- mEnabledTime(0)
-{
- mPendingEvent.version = sizeof(sensors_event_t);
- mPendingEvent.sensor = ID_GY;
- mPendingEvent.type = SENSOR_TYPE_GYROSCOPE;
- memset(mPendingEvent.data, 0, sizeof(mPendingEvent.data));
-
- if (data_fd) {
- strcpy(input_sysfs_path, "/sys/class/input/");
- strcat(input_sysfs_path, input_name);
- strcat(input_sysfs_path, "/device/");
- input_sysfs_path_len = strlen(input_sysfs_path);
- enable(0, 1);
- }
-}
-
-GyroSensor::~GyroSensor() {
- if (mEnabled) {
- enable(0, 0);
- }
-}
-
-int GyroSensor::setInitialState() {
- struct input_absinfo absinfo_x;
- struct input_absinfo absinfo_y;
- struct input_absinfo absinfo_z;
- float value;
- if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_GYRO_X), &absinfo_x) &&
- !ioctl(data_fd, EVIOCGABS(EVENT_TYPE_GYRO_X), &absinfo_y) &&
- !ioctl(data_fd, EVIOCGABS(EVENT_TYPE_GYRO_X), &absinfo_z)) {
- value = absinfo_x.value;
- mPendingEvent.data[0] = value * CONVERT_GYRO_X;
- value = absinfo_x.value;
- mPendingEvent.data[1] = value * CONVERT_GYRO_Y;
- value = absinfo_x.value;
- mPendingEvent.data[2] = value * CONVERT_GYRO_Z;
- mHasPendingEvent = true;
- }
- return 0;
-}
-
-int GyroSensor::enable(int32_t handle, int en) {
- int flags = en ? 1 : 0;
- int fd;
- if (flags != mEnabled) {
- strcpy(&input_sysfs_path[input_sysfs_path_len], "enable");
- fd = open(input_sysfs_path, O_RDWR);
- if (fd >= 0){
- write(fd, en == 1 ? "1" : "0", 2);
- close(fd);
- mEnabled = flags;
- setInitialState();
-
- return 0;
- }
- return -1;
- }
- return 0;
-}
-
-bool GyroSensor::hasPendingEvents() const {
- return mHasPendingEvent;
-}
-
-int GyroSensor::setDelay(int32_t handle, int64_t ns)
-{
- int fd;
-
- strcpy(&input_sysfs_path[input_sysfs_path_len], "poll_delay");
- fd = open(input_sysfs_path, O_RDWR);
- if (fd >= 0) {
- char buf[80];
- sprintf(buf, "%lld", ns);
- write(fd, buf, strlen(buf)+1);
- close(fd);
- return 0;
- }
- return -1;
-}
-
-int GyroSensor::readEvents(sensors_event_t* data, int count)
-{
- if (count < 1)
- return -EINVAL;
-
- if (mHasPendingEvent) {
- mHasPendingEvent = false;
- mPendingEvent.timestamp = getTimestamp();
- *data = mPendingEvent;
- return mEnabled ? 1 : 0;
- }
-
- ssize_t n = mInputReader.fill(data_fd);
- if (n < 0)
- return n;
-
- int numEventReceived = 0;
- input_event const* event;
-
-#if FETCH_FULL_EVENT_BEFORE_RETURN
-again:
-#endif
- while (count && mInputReader.readEvent(&event)) {
- int type = event->type;
- if (type == EV_REL) {
- float value = event->value;
- if (event->code == EVENT_TYPE_GYRO_X) {
- mPendingEvent.data[0] = value * CONVERT_GYRO_X;
- } else if (event->code == EVENT_TYPE_GYRO_Y) {
- mPendingEvent.data[1] = value * CONVERT_GYRO_Y;
- } else if (event->code == EVENT_TYPE_GYRO_Z) {
- mPendingEvent.data[2] = value * CONVERT_GYRO_Z;
- }
- } else if (type == EV_SYN) {
- mPendingEvent.timestamp = timevalToNano(event->time);
- if (mEnabled) {
- if (mPendingEvent.timestamp >= mEnabledTime) {
- *data++ = mPendingEvent;
- numEventReceived++;
- }
- count--;
- }
- } else {
- ALOGE("%s: unknown event (type=%d, code=%d)", LOGTAG,
- type, event->code);
- }
- mInputReader.next();
- }
-
-#if FETCH_FULL_EVENT_BEFORE_RETURN
- /* if we didn't read a complete event, see if we can fill and
- try again instead of returning with nothing and redoing poll. */
- if (numEventReceived == 0 && mEnabled == 1) {
- n = mInputReader.fill(data_fd);
- if (n)
- goto again;
- }
-#endif
-
- return numEventReceived;
-}
-