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-rw-r--r--libsensors/PressureSensor.cpp155
1 files changed, 0 insertions, 155 deletions
diff --git a/libsensors/PressureSensor.cpp b/libsensors/PressureSensor.cpp
deleted file mode 100644
index 6539ce0..0000000
--- a/libsensors/PressureSensor.cpp
+++ /dev/null
@@ -1,155 +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 <cstring>
-
-#include <cutils/log.h>
-
-#include "PressureSensor.h"
-
-#define LOGTAG "PressureSensor"
-
-#define PRESSURE_CONVERT(x) (x/4096.0f)
-
-/*****************************************************************************/
-
-PressureSensor::PressureSensor()
- : SensorBase(NULL, "barometer_sensor"),
- mEnabled(0),
- mInputReader(4),
- mHasPendingEvent(false)
-{
- mPendingEvent.version = sizeof(sensors_event_t);
- mPendingEvent.sensor = ID_PR;
- mPendingEvent.type = SENSOR_TYPE_PRESSURE;
- 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);
- }
-}
-
-PressureSensor::~PressureSensor() {
- if (mEnabled) {
- enable(0, 0);
- }
-}
-
-int PressureSensor::setInitialState() {
- struct input_absinfo absinfo;
- if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_PRESSURE), &absinfo)) {
- // make sure to report an event immediately
- mHasPendingEvent = true;
- mPendingEvent.pressure = PRESSURE_CONVERT(absinfo.value);
- }
- return 0;
-}
-
-int PressureSensor::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, flags == 1 ? "1" : "0", 2);
- close(fd);
- mEnabled = flags;
- setInitialState();
- return 0;
- }
-
- return -1;
- }
- return 0;
-}
-
-bool PressureSensor::hasPendingEvents() const {
- return mHasPendingEvent;
-}
-
-int PressureSensor::setDelay(int32_t handle, int64_t delay)
-{
- int fd;
- if (delay < 10000000)
- delay = 10;
- else
- delay = delay / 1000000;
- 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", delay);
- write(fd, buf, strlen(buf)+1);
- close(fd);
- return 0;
- }
- return -1;
-}
-
-
-int PressureSensor::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;
-
- while (count && mInputReader.readEvent(&event)) {
- int type = event->type;
- if (type == EV_REL) {
- if (event->code == REL_X) {
- mPendingEvent.pressure = PRESSURE_CONVERT(event->value);
- }
- } else if (type == EV_SYN) {
- mPendingEvent.timestamp = timevalToNano(event->time);
- if (mEnabled) {
- *data++ = mPendingEvent;
- count--;
- numEventReceived++;
- }
- } else {
- ALOGE("%s: unknown event (type=%d, code=%d)", LOGTAG,
- type, event->code);
- }
- mInputReader.next();
- }
-
- return numEventReceived;
-}