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-rw-r--r--libsensors/AkmSensor.cpp281
1 files changed, 0 insertions, 281 deletions
diff --git a/libsensors/AkmSensor.cpp b/libsensors/AkmSensor.cpp
deleted file mode 100644
index e7e0a4b..0000000
--- a/libsensors/AkmSensor.cpp
+++ /dev/null
@@ -1,281 +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 <dlfcn.h>
-#include <cstring>
-
-#include "ak8973b.h"
-
-#include <cutils/log.h>
-#include "AkmSensor.h"
-
-
-/*****************************************************************************/
-
-int (*akm_is_sensor_enabled)(uint32_t sensor_type);
-int (*akm_enable_sensor)(uint32_t sensor_type);
-int (*akm_disable_sensor)(uint32_t sensor_type);
-int (*akm_set_delay)(uint32_t sensor_type, uint64_t delay);
-
-int stub_is_sensor_enabled(uint32_t sensor_type) {
- return 0;
-}
-
-int stub_enable_disable_sensor(uint32_t sensor_type) {
- return -ENODEV;
-}
-
-int stub_set_delay(uint32_t sensor_type, uint64_t delay) {
- return -ENODEV;
-}
-
-AkmSensor::AkmSensor()
-: SensorBase(NULL, NULL),
- mEnabled(0),
- mPendingMask(0),
- mInputReader(32)
-{
- /* Open the library before opening the input device. The library
- * creates a uinput device.
- */
- if (loadAKMLibrary() == 0) {
- data_name = "compass_sensor";
- data_fd = openInput("compass_sensor");
- }
-
- memset(mPendingEvents, 0, sizeof(mPendingEvents));
-
- mPendingEvents[Accelerometer].version = sizeof(sensors_event_t);
- mPendingEvents[Accelerometer].sensor = ID_A;
- mPendingEvents[Accelerometer].type = SENSOR_TYPE_ACCELEROMETER;
- mPendingEvents[Accelerometer].acceleration.status = SENSOR_STATUS_UNRELIABLE;
-
- mPendingEvents[MagneticField].version = sizeof(sensors_event_t);
- mPendingEvents[MagneticField].sensor = ID_M;
- mPendingEvents[MagneticField].type = SENSOR_TYPE_MAGNETIC_FIELD;
- mPendingEvents[MagneticField].magnetic.status = SENSOR_STATUS_UNRELIABLE;
-
- // read the actual value of all sensors if they're enabled already
- struct input_absinfo absinfo;
- short flags = 0;
-
- if (akm_is_sensor_enabled(SENSOR_TYPE_ACCELEROMETER)) {
- mEnabled |= 1<<Accelerometer;
- if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_ACCEL_X), &absinfo)) {
- mPendingEvents[Accelerometer].acceleration.x = absinfo.value * CONVERT_A_X;
- }
- if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_ACCEL_Y), &absinfo)) {
- mPendingEvents[Accelerometer].acceleration.y = absinfo.value * CONVERT_A_Y;
- }
- if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_ACCEL_Z), &absinfo)) {
- mPendingEvents[Accelerometer].acceleration.z = absinfo.value * CONVERT_A_Z;
- }
- }
- if (akm_is_sensor_enabled(SENSOR_TYPE_MAGNETIC_FIELD)) {
- mEnabled |= 1<<MagneticField;
- if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_MAGV_X), &absinfo)) {
- mPendingEvents[MagneticField].magnetic.x = absinfo.value * CONVERT_M_X;
- }
- if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_MAGV_Y), &absinfo)) {
- mPendingEvents[MagneticField].magnetic.y = absinfo.value * CONVERT_M_Y;
- }
- if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_MAGV_Z), &absinfo)) {
- mPendingEvents[MagneticField].magnetic.z = absinfo.value * CONVERT_M_Z;
- }
- }
-
- // disable temperature sensor, since it is not supported
- akm_disable_sensor(SENSOR_TYPE_TEMPERATURE);
-}
-
-AkmSensor::~AkmSensor()
-{
- if (mLibAKM) {
- unsigned ref = ::dlclose(mLibAKM);
- }
-}
-
-int AkmSensor::enable(int32_t handle, int en)
-{
- int what = -1;
-
- switch (handle) {
- case ID_A: what = Accelerometer; break;
- case ID_M: what = MagneticField; break;
- }
-
- if (uint32_t(what) >= numSensors)
- return -EINVAL;
-
- int newState = en ? 1 : 0;
- int err = 0;
-
- if ((uint32_t(newState)<<what) != (mEnabled & (1<<what))) {
- uint32_t sensor_type;
- switch (what) {
- case MagneticField: sensor_type = SENSOR_TYPE_MAGNETIC_FIELD; break;
- }
- short flags = newState;
- if (en)
- err = akm_enable_sensor(sensor_type);
- else
- err = akm_disable_sensor(sensor_type);
-
- ALOGE_IF(err, "Could not change sensor state (%s)", strerror(-err));
- if (!err) {
- mEnabled &= ~(1<<what);
- mEnabled |= (uint32_t(flags)<<what);
- }
- }
- return err;
-}
-
-int AkmSensor::setDelay(int32_t handle, int64_t ns)
-{
- int what = -1;
- uint32_t sensor_type = 0;
-
- if (ns < 0)
- return -EINVAL;
-
- switch (handle) {
- case ID_A: sensor_type = SENSOR_TYPE_ACCELEROMETER; break;
- case ID_M: sensor_type = SENSOR_TYPE_MAGNETIC_FIELD; break;
- }
-
- if (sensor_type == 0)
- return -EINVAL;
-
- mDelays[what] = ns;
- return update_delay();
-}
-
-int AkmSensor::update_delay()
-{
- if (mEnabled) {
- uint64_t wanted = -1LLU;
- for (int i=0 ; i<numSensors ; i++) {
- if (mEnabled & (1<<i)) {
- uint64_t ns = mDelays[i];
- wanted = wanted < ns ? wanted : ns;
- }
- }
- short delay = int64_t(wanted) / 1000000;
- if (ioctl(dev_fd, ECS_IOCTL_APP_SET_DELAY, &delay)) {
- return -errno;
- }
- }
- return 0;
-}
-
-
-int AkmSensor::loadAKMLibrary()
-{
- mLibAKM = dlopen("libakm.so", RTLD_NOW);
-
- if (!mLibAKM) {
- akm_is_sensor_enabled = stub_is_sensor_enabled;
- akm_enable_sensor = stub_enable_disable_sensor;
- akm_disable_sensor = stub_enable_disable_sensor;
- akm_set_delay = stub_set_delay;
- ALOGE("AkmSensor: unable to load AKM Library, %s", dlerror());
- return -ENOENT;
- }
-
- *(void **)&akm_is_sensor_enabled = dlsym(mLibAKM, "akm_is_sensor_enabled");
- *(void **)&akm_enable_sensor = dlsym(mLibAKM, "akm_enable_sensor");
- *(void **)&akm_disable_sensor = dlsym(mLibAKM, "akm_disable_sensor");
- *(void **)&akm_set_delay = dlsym(mLibAKM, "akm_set_delay");
-
- return 0;
-}
-
-int AkmSensor::readEvents(sensors_event_t* data, int count)
-{
- if (count < 1)
- return -EINVAL;
-
- 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) {
- processEvent(event->code, event->value);
- mInputReader.next();
- } else if (type == EV_SYN) {
- int64_t time = timevalToNano(event->time);
- for (int j=0 ; count && mPendingMask && j<numSensors ; j++) {
- if (mPendingMask & (1<<j)) {
- mPendingMask &= ~(1<<j);
- mPendingEvents[j].timestamp = time;
- if (mEnabled & (1<<j)) {
- *data++ = mPendingEvents[j];
- count--;
- numEventReceived++;
- }
- }
- }
- if (!mPendingMask) {
- mInputReader.next();
- }
- } else {
- ALOGE("AkmSensor: unknown event (type=%d, code=%d)",
- type, event->code);
- mInputReader.next();
- }
- }
- return numEventReceived;
-}
-
-void AkmSensor::processEvent(int code, int value)
-{
- switch (code) {
- case EVENT_TYPE_MAGV_X:
- ALOGV("AkmSensor: MAGV_X =>%d", value);
- mPendingMask |= 1<<MagneticField;
- mPendingEvents[MagneticField].magnetic.x = (float)value * CONVERT_M_X;
- break;
- case EVENT_TYPE_MAGV_Y:
- ALOGV("AkmSensor: MAGV_Y =>%d", value);
- mPendingMask |= 1<<MagneticField;
- mPendingEvents[MagneticField].magnetic.y = (float)value * CONVERT_M_Y;
- break;
- case EVENT_TYPE_MAGV_Z:
- ALOGV("AkmSensor: MAGV_Z =>%d", value);
- mPendingMask |= 1<<MagneticField;
- mPendingEvents[MagneticField].magnetic.z = (float)value * CONVERT_M_Z;
- break;
- case EVENT_TYPE_MAGV_ACC:
- ALOGV("AkmSensor: MAGV_ACC=>%d", value);
- mPendingMask |= 1<<MagneticField;
- mPendingEvents[MagneticField].magnetic.status = value;
- default:
- ALOGV("AkmSensor: unkown REL event code=%d, value=%d", code, value);
- break;
- }
-}
generated by cgit v1.1 at 2024-04-19 17:19:31 +0000