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-rw-r--r--libsensors/AccelSensor.cpp176
-rw-r--r--libsensors/AccelSensor.h69
-rw-r--r--libsensors/Android.mk47
-rw-r--r--libsensors/CompassSensor.cpp190
-rw-r--r--libsensors/CompassSensor.h54
-rw-r--r--libsensors/InputEventReader.cpp88
-rw-r--r--libsensors/InputEventReader.h47
-rw-r--r--libsensors/LightSensor.cpp145
-rw-r--r--libsensors/LightSensor.h54
-rw-r--r--libsensors/OrientationSensor.cpp184
-rw-r--r--libsensors/OrientationSensor.h54
-rw-r--r--libsensors/ProximitySensor.cpp144
-rw-r--r--libsensors/ProximitySensor.h54
-rw-r--r--libsensors/SensorBase.cpp128
-rw-r--r--libsensors/SensorBase.h65
-rw-r--r--libsensors/sensors.cpp374
-rw-r--r--libsensors/sensors.h119
-rw-r--r--n5110.mk4
18 files changed, 1996 insertions, 0 deletions
diff --git a/libsensors/AccelSensor.cpp b/libsensors/AccelSensor.cpp
new file mode 100644
index 0000000..3ab5e2e
--- /dev/null
+++ b/libsensors/AccelSensor.cpp
@@ -0,0 +1,176 @@
+/*
+ * 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 "AccelSensor.h"
+
+
+/*****************************************************************************/
+AccelSensor::AccelSensor()
+ : SensorBase(NULL, "accelerometer"),
+ mEnabled(0),
+
+ mInputReader(4),
+ mHasPendingEvent(false)
+{
+ // ALOGD("AccelSensor::AccelSensor()");
+ mPendingEvent.version = sizeof(sensors_event_t);
+ mPendingEvent.sensor = ID_A;
+ mPendingEvent.type = SENSOR_TYPE_ACCELEROMETER;
+ memset(mPendingEvent.data, 0, sizeof(mPendingEvent.data));
+
+ // ALOGD("AccelSensor::AccelSensor() open data_fd");
+
+ 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);
+ }
+ // ALOGE("AccelSensor: sysfs: %s",input_sysfs_path);
+}
+
+AccelSensor::~AccelSensor() {
+
+ // ALOGD("AccelSensor::~AccelSensor()");
+ if (mEnabled) {
+ enable(0, 0);
+ }
+}
+
+
+
+int AccelSensor::enable(int32_t, int en) {
+
+
+ // ALOGD("AccelSensor::~enable(0, %d)", en);
+ int flags = en ? 1 : 0;
+ if (flags != mEnabled) {
+ int fd;
+ strcpy(&input_sysfs_path[input_sysfs_path_len], "enable");
+ // ALOGD("AccelSensor::~enable(0, %d) open %s",en, input_sysfs_path);
+ fd = open(input_sysfs_path, O_RDWR);
+ if (fd >= 0) {
+ // ALOGD("AccelSensor::~enable(0, %d) opened %s",en, input_sysfs_path);
+ char buf[2];
+ int err;
+ buf[1] = 0;
+ if (flags) {
+ buf[0] = '1';
+ } else {
+ buf[0] = '0';
+ }
+ err = write(fd, buf, sizeof(buf));
+ close(fd);
+ mEnabled = flags;
+ //setInitialState();
+ return 0;
+ }
+ return -1;
+ }
+ return 0;
+}
+
+
+bool AccelSensor::hasPendingEvents() const {
+ /* FIXME probably here should be returning mEnabled but instead
+ mHasPendingEvents. It does not work, so we cheat.*/
+ //ALOGD("AccelSensor::~hasPendingEvents %d", mHasPendingEvent ? 1 : 0 );
+ return mHasPendingEvent;
+}
+
+
+int AccelSensor::setDelay(int32_t handle, int64_t ns)
+{
+ // ALOGD("AccelSensor::~setDelay(%d, %lld)", handle, ns);
+
+ int fd;
+
+ if (ns < 10000000) {
+ ns = 10000000; // Minimum on stock
+ }
+
+ strcpy(&input_sysfs_path[input_sysfs_path_len], "delay");
+ fd = open(input_sysfs_path, O_RDWR);
+ if (fd >= 0) {
+ char buf[80];
+ sprintf(buf, "%lld", ns / 10000000 * 10); // Some flooring to match stock value
+ write(fd, buf, strlen(buf)+1);
+ close(fd);
+ return 0;
+ }
+ return -1;
+}
+
+
+int AccelSensor::readEvents(sensors_event_t* data, int count)
+{
+ //ALOGD("AccelSensor::~readEvents() %d", 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_ABS) {
+ float value = event->value;
+ if (event->code == EVENT_TYPE_ACCEL_X) {
+ mPendingEvent.acceleration.x = value * CONVERT_A_X;
+ } else if (event->code == EVENT_TYPE_ACCEL_Y) {
+ mPendingEvent.acceleration.y = value * CONVERT_A_Y;
+ } else if (event->code == EVENT_TYPE_ACCEL_Z) {
+ mPendingEvent.acceleration.z = value * CONVERT_A_Z;
+ }
+ } else if (type == EV_SYN) {
+ mPendingEvent.timestamp = timevalToNano(event->time);
+ if (mEnabled) {
+ *data++ = mPendingEvent;
+ count--;
+ numEventReceived++;
+ }
+ } else {
+ ALOGE("AccelSensor: unknown event (type=%d, code=%d)",
+ type, event->code);
+ }
+ mInputReader.next();
+ }
+ return numEventReceived++;
+
+}
diff --git a/libsensors/AccelSensor.h b/libsensors/AccelSensor.h
new file mode 100644
index 0000000..e87c3ec
--- /dev/null
+++ b/libsensors/AccelSensor.h
@@ -0,0 +1,69 @@
+/*
+ * 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.
+ */
+
+#ifndef ANDROID_SMB380_SENSOR_H
+#define ANDROID_SMB380_SENSOR_H
+
+#include <stdint.h>
+#include <errno.h>
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+#include "sensors.h"
+#include "SensorBase.h"
+#include "InputEventReader.h"
+
+/*****************************************************************************/
+
+
+struct smb380acc_t {
+ short x, /**< holds x-axis acceleration data sign extended. Range -512 to 511. */
+ y, /**< holds y-axis acceleration data sign extended. Range -512 to 511. */
+ z; /**< holds z-axis acceleration data sign extended. Range -512 to 511. */
+} ;
+
+/* smb ioctl command label */
+#define IOCTL_SMB_GET_ACC_VALUE 0
+#define DCM_IOC_MAGIC 's'
+#define IOC_SET_ACCELEROMETER _IO (DCM_IOC_MAGIC, 0x64)
+#define BMA150_CALIBRATION _IOWR(DCM_IOC_MAGIC,48,short)
+
+#define SMB_POWER_OFF 0
+#define SMB_POWER_ON 1
+
+struct input_event;
+
+class AccelSensor : public SensorBase {
+ int mEnabled;
+ InputEventCircularReader mInputReader;
+ sensors_event_t mPendingEvent;
+ bool mHasPendingEvent;
+ char input_sysfs_path[PATH_MAX];
+ int input_sysfs_path_len;
+
+
+public:
+ AccelSensor();
+ virtual ~AccelSensor();
+ virtual int readEvents(sensors_event_t* data, int count);
+ virtual bool hasPendingEvents() const;
+ virtual int setDelay(int32_t handle, int64_t ns);
+ virtual int enable(int32_t handle, int enabled);
+};
+
+/*****************************************************************************/
+
+#endif // ANDROID_GYRO_SENSOR_H
diff --git a/libsensors/Android.mk b/libsensors/Android.mk
new file mode 100644
index 0000000..1542efe
--- /dev/null
+++ b/libsensors/Android.mk
@@ -0,0 +1,47 @@
+# 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.
+
+LOCAL_PATH := $(call my-dir)
+
+ifneq ($(TARGET_SIMULATOR),true)
+
+# HAL module implemenation, not prelinked, and stored in
+# hw/<SENSORS_HARDWARE_MODULE_ID>.<ro.product.board>.so
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := sensors.$(TARGET_BOOTLOADER_BOARD_NAME)
+
+LOCAL_MODULE_PATH := $(TARGET_OUT_SHARED_LIBRARIES)/hw
+
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_CFLAGS := -DLOG_TAG=\"Sensors\"
+
+LOCAL_SRC_FILES := \
+ sensors.cpp \
+ SensorBase.cpp \
+ LightSensor.cpp \
+ ProximitySensor.cpp \
+ AccelSensor.cpp \
+ CompassSensor.cpp \
+ OrientationSensor.cpp \
+ InputEventReader.cpp
+
+LOCAL_SHARED_LIBRARIES := liblog libcutils libdl
+LOCAL_PRELINK_MODULE := false
+
+include $(BUILD_SHARED_LIBRARY)
+
+endif
+
diff --git a/libsensors/CompassSensor.cpp b/libsensors/CompassSensor.cpp
new file mode 100644
index 0000000..39daa81
--- /dev/null
+++ b/libsensors/CompassSensor.cpp
@@ -0,0 +1,190 @@
+/*
+ * 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 "CompassSensor.h"
+
+
+/*****************************************************************************/
+CompassSensor::CompassSensor()
+ : SensorBase(NULL, "geomagnetic"),
+ //mEnabled(0),
+ mInputReader(4),
+ mHasPendingEvent(false)
+{
+ //ALOGD("CompassSensor::CompassSensor()");
+ mPendingEvent.version = sizeof(sensors_event_t);
+ mPendingEvent.sensor = ID_M;
+ mPendingEvent.type = SENSOR_TYPE_MAGNETIC_FIELD;
+ mPendingEvent.magnetic.status = SENSOR_STATUS_ACCURACY_HIGH;
+
+
+ memset(mPendingEvent.data, 0, sizeof(mPendingEvent.data));
+
+ // ALOGD("CompassSensor::CompassSensor() open data_fd");
+
+ 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);
+ }
+
+ // ALOGE("MagneticSensor: sysfs: %s",input_sysfs_path);
+}
+
+CompassSensor::~CompassSensor() {
+
+ // ALOGD("CompassSensor::~CompassSensor()");
+ if (mEnabled) {
+ enable(0, 0);
+ }
+}
+
+
+
+int CompassSensor::enable(int32_t, int en) {
+
+
+ // ALOGD("CompassSensor::~enable(0, %d)", en);
+ int flags = en ? 1 : 0;
+ if (flags != mEnabled) {
+ int fd;
+ strcpy(&input_sysfs_path[input_sysfs_path_len], "enable");
+ //ALOGD("CompassSensor::~enable(0, %d) open %s",en, input_sysfs_path);
+ fd = open(input_sysfs_path, O_RDWR);
+ if (fd >= 0) {
+ // ALOGD("CompassSensor::~enable(0, %d) opened %s",en, input_sysfs_path);
+ char buf[2];
+ int err;
+ buf[1] = 0;
+ if (flags) {
+ buf[0] = '1';
+ } else {
+ buf[0] = '0';
+ }
+ err = write(fd, buf, sizeof(buf));
+ close(fd);
+ mEnabled = flags;
+ return 0;
+ }
+ return -1;
+ }
+ return 0;
+}
+
+
+bool CompassSensor::hasPendingEvents() const {
+ /* FIXME probably here should be returning mEnabled but instead
+ mHasPendingEvents. It does not work, so we cheat.*/
+ //ALOGD("CompassSensor::~hasPendingEvents %d", mHasPendingEvent ? 1 : 0 );
+ return mHasPendingEvent;
+}
+
+
+int CompassSensor::setDelay(int32_t handle, int64_t ns)
+{
+ int fd;
+ int val;
+
+ // Kernel driver only support specific values
+ if (ns < 20000000L) {
+ val = 1;
+ } else if (ns < 60000000L) {
+ val = 20;
+ } else if (ns < 200000000L) {
+ val = 60;
+ } else if (ns < 1000000000L) {
+ val = 200;
+ } else {
+ val = 1000;
+ }
+
+ // ALOGD("CompassSensor::~setDelay(%d, %lld) val = %d", handle, ns, val);
+
+ strcpy(&input_sysfs_path[input_sysfs_path_len], "delay");
+ fd = open(input_sysfs_path, O_RDWR);
+ if (fd >= 0) {
+ char buf[80];
+ sprintf(buf, "%d", val);
+ write(fd, buf, strlen(buf)+1);
+ close(fd);
+ return 0;
+ }
+ return -1;
+}
+
+
+int CompassSensor::readEvents(sensors_event_t* data, int count)
+{
+ //ALOGD("CompassSensor::~readEvents() %d", 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_ABS) {
+ float value = event->value;
+ if (event->code == EVENT_TYPE_MAGV_X) {
+ mPendingEvent.magnetic.x = (float)value / 1000.0f;
+ } else if (event->code == EVENT_TYPE_MAGV_Y) {
+ mPendingEvent.magnetic.y = (float)value / 1000.0f;
+ } else if (event->code == EVENT_TYPE_MAGV_Z) {
+ mPendingEvent.magnetic.z = (float)value / 1000.0f;
+ }
+ } else if (type == EV_SYN) {
+ mPendingEvent.timestamp = timevalToNano(event->time);
+ if (mEnabled) {
+ *data++ = mPendingEvent;
+ count--;
+ numEventReceived++;
+ }
+ } else {
+ ALOGE("CompassSensor: unknown event (type=%d, code=%d)",
+ type, event->code);
+ }
+ mInputReader.next();
+ }
+
+ //ALOGD("CompassSensor::~readEvents() numEventReceived = %d", numEventReceived);
+ return numEventReceived++;
+
+}
diff --git a/libsensors/CompassSensor.h b/libsensors/CompassSensor.h
new file mode 100644
index 0000000..9b34f9d
--- /dev/null
+++ b/libsensors/CompassSensor.h
@@ -0,0 +1,54 @@
+/*
+ * 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.
+ */
+
+#ifndef ANDROID_COMPASS_SENSOR_H
+#define ANDROID_COMPASS_SENSOR_H
+
+#include <stdint.h>
+#include <errno.h>
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+#include "sensors.h"
+#include "SensorBase.h"
+#include "InputEventReader.h"
+
+/*****************************************************************************/
+
+
+struct input_event;
+
+class CompassSensor : public SensorBase {
+ int mEnabled;
+ InputEventCircularReader mInputReader;
+ sensors_event_t mPendingEvent;
+ bool mHasPendingEvent;
+ char input_sysfs_path[PATH_MAX];
+ int input_sysfs_path_len;
+
+
+public:
+ CompassSensor();
+ virtual ~CompassSensor();
+ virtual int readEvents(sensors_event_t* data, int count);
+ virtual bool hasPendingEvents() const;
+ virtual int setDelay(int32_t handle, int64_t ns);
+ virtual int enable(int32_t handle, int enabled);
+};
+
+/*****************************************************************************/
+
+#endif // ANDROID_GYRO_SENSOR_H
diff --git a/libsensors/InputEventReader.cpp b/libsensors/InputEventReader.cpp
new file mode 100644
index 0000000..1014f29
--- /dev/null
+++ b/libsensors/InputEventReader.cpp
@@ -0,0 +1,88 @@
+/*
+ * 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 <stdint.h>
+#include <errno.h>
+#include <unistd.h>
+#include <poll.h>
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+#include <linux/input.h>
+
+#include <cutils/log.h>
+
+#include "InputEventReader.h"
+
+/*****************************************************************************/
+
+struct input_event;
+
+InputEventCircularReader::InputEventCircularReader(size_t numEvents)
+ : mBuffer(new input_event[numEvents * 2]),
+ mBufferEnd(mBuffer + numEvents),
+ mHead(mBuffer),
+ mCurr(mBuffer),
+ mFreeSpace(numEvents)
+{
+}
+
+InputEventCircularReader::~InputEventCircularReader()
+{
+ delete [] mBuffer;
+}
+
+ssize_t InputEventCircularReader::fill(int fd)
+{
+ size_t numEventsRead = 0;
+ if (mFreeSpace) {
+ const ssize_t nread = read(fd, mHead, mFreeSpace * sizeof(input_event));
+ if (nread<0 || nread % sizeof(input_event)) {
+ // we got a partial event!!
+ return nread<0 ? -errno : -EINVAL;
+ }
+
+ numEventsRead = nread / sizeof(input_event);
+ if (numEventsRead) {
+ mHead += numEventsRead;
+ mFreeSpace -= numEventsRead;
+ if (mHead > mBufferEnd) {
+ size_t s = mHead - mBufferEnd;
+ memcpy(mBuffer, mBufferEnd, s * sizeof(input_event));
+ mHead = mBuffer + s;
+ }
+ }
+ }
+
+ return numEventsRead;
+}
+
+ssize_t InputEventCircularReader::readEvent(input_event const** events)
+{
+ *events = mCurr;
+ ssize_t available = (mBufferEnd - mBuffer) - mFreeSpace;
+ return available ? 1 : 0;
+}
+
+void InputEventCircularReader::next()
+{
+ mCurr++;
+ mFreeSpace++;
+ if (mCurr >= mBufferEnd) {
+ mCurr = mBuffer;
+ }
+}
diff --git a/libsensors/InputEventReader.h b/libsensors/InputEventReader.h
new file mode 100644
index 0000000..180aade
--- /dev/null
+++ b/libsensors/InputEventReader.h
@@ -0,0 +1,47 @@
+/*
+ * 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.
+ */
+
+#ifndef ANDROID_INPUT_EVENT_READER_H
+#define ANDROID_INPUT_EVENT_READER_H
+
+#include <stdint.h>
+#include <errno.h>
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+/*****************************************************************************/
+
+struct input_event;
+
+class InputEventCircularReader
+{
+ struct input_event* const mBuffer;
+ struct input_event* const mBufferEnd;
+ struct input_event* mHead;
+ struct input_event* mCurr;
+ ssize_t mFreeSpace;
+
+public:
+ InputEventCircularReader(size_t numEvents);
+ ~InputEventCircularReader();
+ ssize_t fill(int fd);
+ ssize_t readEvent(input_event const** events);
+ void next();
+};
+
+/*****************************************************************************/
+
+#endif // ANDROID_INPUT_EVENT_READER_H
diff --git a/libsensors/LightSensor.cpp b/libsensors/LightSensor.cpp
new file mode 100644
index 0000000..e931e2e
--- /dev/null
+++ b/libsensors/LightSensor.cpp
@@ -0,0 +1,145 @@
+/*
+ * 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 "LightSensor.h"
+
+/*****************************************************************************/
+
+LightSensor::LightSensor()
+ : SensorBase(NULL, "light_sensor"),
+ mEnabled(0),
+ mInputReader(4),
+ mHasPendingEvent(false)
+{
+ mPendingEvent.version = sizeof(sensors_event_t);
+ mPendingEvent.sensor = ID_L;
+ mPendingEvent.type = SENSOR_TYPE_LIGHT;
+ 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);
+ }
+ // ALOGE("LightSensor: sysfs: %s",input_sysfs_path);
+}
+
+LightSensor::~LightSensor() {
+ if (mEnabled) {
+ enable(0, 0);
+ }
+}
+
+int LightSensor::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 LightSensor::enable(int32_t handle, int en)
+{
+ int flags = en ? 1 : 0;
+ if (flags != mEnabled) {
+ int fd;
+ strcpy(&input_sysfs_path[input_sysfs_path_len], "enable");
+ fd = open(input_sysfs_path, O_RDWR);
+ if (fd >= 0) {
+ char buf[2];
+ int err;
+ buf[1] = 0;
+ if (flags) {
+ buf[0] = '1';
+ } else {
+ buf[0] = '0';
+ }
+ err = write(fd, buf, sizeof(buf));
+ close(fd);
+ mEnabled = flags;
+ return 0;
+ }
+ return -1;
+ }
+ return 0;
+}
+
+bool LightSensor::hasPendingEvents() const {
+ return mHasPendingEvent;
+}
+
+int LightSensor::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) {
+ // Convert adc value to lux assuming:
+ // I = 10 * log(Ev) uA
+ // R = 47kOhm
+ // Max adc value 4095 = 3.3V
+ // 1/4 of light reaches sensor
+ mPendingEvent.light = event->value;
+ } else if (type == EV_SYN) {
+ mPendingEvent.timestamp = timevalToNano(event->time);
+ if (mEnabled) {
+ *data++ = mPendingEvent;
+ count--;
+ numEventReceived++;
+ }
+ } else {
+ ALOGE("LightSensor: unknown event (type=%d, code=%d)",
+ type, event->code);
+ }
+ mInputReader.next();
+ }
+
+ return numEventReceived;
+}
diff --git a/libsensors/LightSensor.h b/libsensors/LightSensor.h
new file mode 100644
index 0000000..79e0ccf
--- /dev/null
+++ b/libsensors/LightSensor.h
@@ -0,0 +1,54 @@
+/*
+ * 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.
+ */
+
+#ifndef ANDROID_LIGHT_SENSOR_H
+#define ANDROID_LIGHT_SENSOR_H
+
+#include <stdint.h>
+#include <errno.h>
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+#include "sensors.h"
+#include "SensorBase.h"
+#include "InputEventReader.h"
+
+/*****************************************************************************/
+
+struct input_event;
+
+class LightSensor : public SensorBase {
+ int mEnabled;
+ InputEventCircularReader mInputReader;
+ sensors_event_t mPendingEvent;
+ bool mHasPendingEvent;
+ char input_sysfs_path[PATH_MAX];
+ int input_sysfs_path_len;
+
+ int setInitialState();
+
+public:
+ LightSensor();
+ virtual ~LightSensor();
+ virtual int readEvents(sensors_event_t* data, int count);
+ virtual bool hasPendingEvents() const;
+ virtual int setDelay(int32_t handle, int64_t ns);
+ virtual int enable(int32_t handle, int enabled);
+};
+
+/*****************************************************************************/
+
+#endif // ANDROID_LIGHT_SENSOR_H
diff --git a/libsensors/OrientationSensor.cpp b/libsensors/OrientationSensor.cpp
new file mode 100644
index 0000000..0ca6085
--- /dev/null
+++ b/libsensors/OrientationSensor.cpp
@@ -0,0 +1,184 @@
+/*
+ * 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/properties.h>
+#include <cutils/log.h>
+
+
+#include "OrientationSensor.h"
+
+
+/*****************************************************************************/
+OrientationSensor::OrientationSensor()
+ : SensorBase(NULL, "orientation"),
+ mEnabled(0),
+ mInputReader(4),
+ mHasPendingEvent(false)
+{
+ // ALOGD("OrientationSensor::OrientationSensor()");
+ mPendingEvent.version = sizeof(sensors_event_t);
+ mPendingEvent.sensor = ID_O;
+ mPendingEvent.type = SENSOR_TYPE_ORIENTATION;
+ memset(mPendingEvent.data, 0, sizeof(mPendingEvent.data));
+
+ // ALOGD("OrientationSensor::OrientationSensor() open data_fd");
+
+ 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);
+ //ALOGE("OrientationSensor: sysfs: %s",input_sysfs_path);
+ }
+}
+
+OrientationSensor::~OrientationSensor() {
+
+ // ALOGD("OrientationSensor::~OrientationSensor()");
+ if (mEnabled) {
+ enable(0, 0);
+ }
+}
+
+
+int OrientationSensor::enable(int32_t, int en) {
+
+
+ // ALOGD("OrientationSensor::~enable(0, %d)", en);
+ int flags = en ? 1 : 0;
+ if (flags != mEnabled) {
+ int fd;
+ strcpy(&input_sysfs_path[input_sysfs_path_len], "enable");
+ //ALOGD("OrientationSensor::~enable(0, %d) open %s",en, input_sysfs_path);
+ fd = open(input_sysfs_path, O_RDWR);
+ if (fd >= 0) {
+ // ALOGD("OrientationSensor::~enable(0, %d) opened %s",en, input_sysfs_path);
+ char buf[2];
+ int err;
+ buf[1] = 0;
+ if (flags) {
+ buf[0] = '1';
+ } else {
+ buf[0] = '0';
+ }
+ err = write(fd, buf, sizeof(buf));
+ close(fd);
+ mEnabled = flags;
+ //setInitialState();
+
+ /* Since the migration to 3.0 kernel, orientationd doesn't poll
+ * the enabled state properly, so start it when it's enabled and
+ * stop it when we're done using it.
+ */
+ property_set(mEnabled ? "ctl.start" : "ctl.stop", "orientationd");
+ return 0;
+ }
+ return -1;
+ }
+ return 0;
+}
+
+
+bool OrientationSensor::hasPendingEvents() const {
+ /* FIXME probably here should be returning mEnabled but instead
+ mHasPendingEvents. It does not work, so we cheat.*/
+ //ALOGD("OrientationSensor::~hasPendingEvents %d", mHasPendingEvent ? 1 : 0 );
+ return mHasPendingEvent;
+}
+
+
+int OrientationSensor::setDelay(int32_t handle, int64_t ns)
+{
+ //ALOGD("OrientationSensor::~setDelay(%d, %lld)", handle, ns);
+
+ int fd;
+
+ if (ns < 10000000) {
+ ns = 10000000; // Minimum on stock
+ }
+
+ strcpy(&input_sysfs_path[input_sysfs_path_len], "delay");
+ fd = open(input_sysfs_path, O_RDWR);
+ if (fd >= 0) {
+ char buf[80];
+ sprintf(buf, "%lld", ns / 10000000 * 10); // Some flooring to match stock value
+ write(fd, buf, strlen(buf)+1);
+ close(fd);
+ return 0;
+ }
+ return -1;
+}
+
+
+int OrientationSensor::readEvents(sensors_event_t* data, int count)
+{
+ //ALOGD("OrientationSensor::~readEvents() %d", 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_ABS) {
+ float value = event->value;
+ //ALOGD("OrientationSensor: event->code = %i",event->code);
+ if (event->code == EVENT_TYPE_YAW) {
+ mPendingEvent.orientation.azimuth = value * CONVERT_O_A;
+ } else if (event->code == EVENT_TYPE_PITCH) {
+ mPendingEvent.orientation.pitch = value * CONVERT_O_P;
+ } else if (event->code == EVENT_TYPE_ROLL) {
+ mPendingEvent.orientation.roll = value * CONVERT_O_R;
+ }
+ } else if (type == EV_SYN) {
+ mPendingEvent.timestamp = timevalToNano(event->time);
+ if (mEnabled) {
+ *data++ = mPendingEvent;
+ count--;
+ numEventReceived++;
+ }
+ } else {
+ ALOGE("OrientationSensor: unknown event (type=%d, code=%d)",
+ type, event->code);
+ }
+ mInputReader.next();
+ }
+
+ //ALOGD("OrientationSensor::~readEvents() numEventReceived = %d", numEventReceived);
+ return numEventReceived++;
+
+}
diff --git a/libsensors/OrientationSensor.h b/libsensors/OrientationSensor.h
new file mode 100644
index 0000000..7add75b
--- /dev/null
+++ b/libsensors/OrientationSensor.h
@@ -0,0 +1,54 @@
+/*
+ * 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.
+ */
+
+#ifndef ANDROID_ORIEN_SENSOR_H
+#define ANDROID_ORIEN_SENSOR_H
+
+#include <stdint.h>
+#include <errno.h>
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+#include "sensors.h"
+#include "SensorBase.h"
+#include "InputEventReader.h"
+
+/*****************************************************************************/
+
+
+struct input_event;
+
+class OrientationSensor : public SensorBase {
+ int mEnabled;
+ InputEventCircularReader mInputReader;
+ sensors_event_t mPendingEvent;
+ bool mHasPendingEvent;
+ char input_sysfs_path[PATH_MAX];
+ int input_sysfs_path_len;
+
+
+public:
+ OrientationSensor();
+ virtual ~OrientationSensor();
+ virtual int readEvents(sensors_event_t* data, int count);
+ virtual bool hasPendingEvents() const;
+ virtual int setDelay(int32_t handle, int64_t ns);
+ virtual int enable(int32_t handle, int enabled);
+};
+
+/*****************************************************************************/
+
+#endif // ANDROID_GYRO_SENSOR_H
diff --git a/libsensors/ProximitySensor.cpp b/libsensors/ProximitySensor.cpp
new file mode 100644
index 0000000..2f3604c
--- /dev/null
+++ b/libsensors/ProximitySensor.cpp
@@ -0,0 +1,144 @@
+/*
+ * 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 "ProximitySensor.h"
+
+/*****************************************************************************/
+
+ProximitySensor::ProximitySensor()
+ : SensorBase(NULL, "proximity_sensor"),
+ mEnabled(0),
+ mInputReader(4),
+ mHasPendingEvent(false)
+{
+ mPendingEvent.version = sizeof(sensors_event_t);
+ mPendingEvent.sensor = ID_P;
+ mPendingEvent.type = SENSOR_TYPE_PROXIMITY;
+ 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);
+ }
+}
+
+ProximitySensor::~ProximitySensor() {
+ if (mEnabled) {
+ enable(0, 0);
+ }
+}
+
+int ProximitySensor::setInitialState() {
+ struct input_absinfo absinfo;
+ if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_PROXIMITY), &absinfo)) {
+ // make sure to report an event immediately
+ mHasPendingEvent = true;
+ mPendingEvent.distance = indexToValue(absinfo.value);
+ }
+ return 0;
+}
+
+int ProximitySensor::enable(int32_t, int en) {
+ int flags = en ? 1 : 0;
+ if (flags != mEnabled) {
+ int fd;
+ strcpy(&input_sysfs_path[input_sysfs_path_len], "enable");
+ fd = open(input_sysfs_path, O_RDWR);
+ if (fd >= 0) {
+ char buf[2];
+ buf[1] = 0;
+ if (flags) {
+ buf[0] = '1';
+ } else {
+ buf[0] = '0';
+ }
+ write(fd, buf, sizeof(buf));
+ close(fd);
+ mEnabled = flags;
+ setInitialState();
+ return 0;
+ }
+ return -1;
+ }
+ return 0;
+}
+
+bool ProximitySensor::hasPendingEvents() const {
+ return mHasPendingEvent;
+}
+
+int ProximitySensor::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_ABS) {
+ if (event->code == EVENT_TYPE_PROXIMITY) {
+ if (event->value != -1) {
+ // FIXME: not sure why we're getting -1 sometimes
+ mPendingEvent.distance = indexToValue(event->value);
+ }
+ }
+ } else if (type == EV_SYN) {
+ mPendingEvent.timestamp = timevalToNano(event->time);
+ if (mEnabled) {
+ *data++ = mPendingEvent;
+ count--;
+ numEventReceived++;
+ }
+ } else {
+ ALOGE("ProximitySensor: unknown event (type=%d, code=%d)",
+ type, event->code);
+ }
+ mInputReader.next();
+ }
+
+ return numEventReceived;
+}
+
+float ProximitySensor::indexToValue(size_t index) const
+{
+ return index * PROXIMITY_THRESHOLD_GP2A;
+}
diff --git a/libsensors/ProximitySensor.h b/libsensors/ProximitySensor.h
new file mode 100644
index 0000000..08ea49c
--- /dev/null
+++ b/libsensors/ProximitySensor.h
@@ -0,0 +1,54 @@
+/*
+ * 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.
+ */
+
+#ifndef ANDROID_PROXIMITY_SENSOR_H
+#define ANDROID_PROXIMITY_SENSOR_H
+
+#include <stdint.h>
+#include <errno.h>
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+#include "sensors.h"
+#include "SensorBase.h"
+#include "InputEventReader.h"
+
+/*****************************************************************************/
+
+struct input_event;
+
+class ProximitySensor : public SensorBase {
+ int mEnabled;
+ InputEventCircularReader mInputReader;
+ sensors_event_t mPendingEvent;
+ bool mHasPendingEvent;
+ char input_sysfs_path[PATH_MAX];
+ int input_sysfs_path_len;
+
+ int setInitialState();
+ float indexToValue(size_t index) const;
+
+public:
+ ProximitySensor();
+ virtual ~ProximitySensor();
+ virtual int readEvents(sensors_event_t* data, int count);
+ virtual bool hasPendingEvents() const;
+ virtual int enable(int32_t handle, int enabled);
+};
+
+/*****************************************************************************/
+
+#endif // ANDROID_PROXIMITY_SENSOR_H
diff --git a/libsensors/SensorBase.cpp b/libsensors/SensorBase.cpp
new file mode 100644
index 0000000..79b1ee2
--- /dev/null
+++ b/libsensors/SensorBase.cpp
@@ -0,0 +1,128 @@
+/*
+ * 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 <linux/input.h>
+
+#include "SensorBase.h"
+
+/*****************************************************************************/
+
+SensorBase::SensorBase(
+ const char* dev_name,
+ const char* data_name)
+ : dev_name(dev_name), data_name(data_name),
+ dev_fd(-1), data_fd(-1)
+{
+ if (data_name) {
+ data_fd = openInput(data_name);
+ }
+}
+
+SensorBase::~SensorBase() {
+ if (data_fd >= 0) {
+ close(data_fd);
+ }
+ if (dev_fd >= 0) {
+ close(dev_fd);
+ }
+}
+
+int SensorBase::open_device() {
+ if (dev_fd<0 && dev_name) {
+ dev_fd = open(dev_name, O_RDONLY);
+ ALOGE_IF(dev_fd<0, "Couldn't open %s (%s)", dev_name, strerror(errno));
+ }
+ return 0;
+}
+
+int SensorBase::close_device() {
+ if (dev_fd >= 0) {
+ close(dev_fd);
+ dev_fd = -1;
+ }
+ return 0;
+}
+
+int SensorBase::getFd() const {
+ if (!data_name) {
+ return dev_fd;
+ }
+ return data_fd;
+}
+
+int SensorBase::setDelay(int32_t handle, int64_t ns) {
+ return 0;
+}
+
+bool SensorBase::hasPendingEvents() const {
+ return false;
+}
+
+int64_t SensorBase::getTimestamp() {
+ struct timespec t;
+ t.tv_sec = t.tv_nsec = 0;
+ clock_gettime(CLOCK_MONOTONIC, &t);
+ return int64_t(t.tv_sec)*1000000000LL + t.tv_nsec;
+}
+
+int SensorBase::openInput(const char* inputName) {
+ int fd = -1;
+ const char *dirname = "/dev/input";
+ char devname[PATH_MAX];
+ char *filename;
+ DIR *dir;
+ struct dirent *de;
+ dir = opendir(dirname);
+ if(dir == NULL)
+ return -1;
+ strcpy(devname, dirname);
+ filename = devname + strlen(devname);
+ *filename++ = '/';
+ while((de = readdir(dir))) {
+ if(de->d_name[0] == '.' &&
+ (de->d_name[1] == '\0' ||
+ (de->d_name[1] == '.' && de->d_name[2] == '\0')))
+ continue;
+ strcpy(filename, de->d_name);
+ fd = open(devname, O_RDONLY);
+ if (fd>=0) {
+ char name[80];
+ if (ioctl(fd, EVIOCGNAME(sizeof(name) - 1), &name) < 1) {
+ name[0] = '\0';
+ }
+ if (!strcmp(name, inputName)) {
+ strcpy(input_name, filename);
+ break;
+ } else {
+ close(fd);
+ fd = -1;
+ }
+ }
+ }
+ closedir(dir);
+ ALOGE_IF(fd<0, "couldn't find '%s' input device", inputName);
+ return fd;
+}
diff --git a/libsensors/SensorBase.h b/libsensors/SensorBase.h
new file mode 100644
index 0000000..bb4d055
--- /dev/null
+++ b/libsensors/SensorBase.h
@@ -0,0 +1,65 @@
+/*
+ * 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.
+ */
+
+#ifndef ANDROID_SENSOR_BASE_H
+#define ANDROID_SENSOR_BASE_H
+
+#include <stdint.h>
+#include <errno.h>
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+
+/*****************************************************************************/
+
+struct sensors_event_t;
+
+class SensorBase {
+protected:
+ const char* dev_name;
+ const char* data_name;
+ char input_name[PATH_MAX];
+ int dev_fd;
+ int data_fd;
+
+ int openInput(const char* inputName);
+ static int64_t getTimestamp();
+
+
+ static int64_t timevalToNano(timeval const& t) {
+ return t.tv_sec*1000000000LL + t.tv_usec*1000;
+ }
+
+ int open_device();
+ int close_device();
+
+public:
+ SensorBase(
+ const char* dev_name,
+ const char* data_name);
+
+ virtual ~SensorBase();
+
+ virtual int readEvents(sensors_event_t* data, int count) = 0;
+ virtual bool hasPendingEvents() const;
+ virtual int getFd() const;
+ virtual int setDelay(int32_t handle, int64_t ns);
+ virtual int enable(int32_t handle, int enabled) = 0;
+};
+
+/*****************************************************************************/
+
+#endif // ANDROID_SENSOR_BASE_H
diff --git a/libsensors/sensors.cpp b/libsensors/sensors.cpp
new file mode 100644
index 0000000..a0194ef
--- /dev/null
+++ b/libsensors/sensors.cpp
@@ -0,0 +1,374 @@
+/*
+ * 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 LOG_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 <linux/input.h>
+
+
+#include <utils/Atomic.h>
+#include <utils/Log.h>
+
+#include "sensors.h"
+
+#include "LightSensor.h"
+#include "ProximitySensor.h"
+//#include "BoschYamaha.h"
+#include "AccelSensor.h"
+#include "CompassSensor.h"
+#include "OrientationSensor.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 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 AKM_FTRACE 0
+#define AKM_DEBUG 0
+#define AKM_DATA 0
+
+/*****************************************************************************/
+
+/* The SENSORS Module */
+static const struct sensor_t sSensorList[] = {
+
+ { "LIS3DH Acceleration Sensor",
+ "STMicroelectronics",
+ 1, SENSORS_ACCELERATION_HANDLE,
+ SENSOR_TYPE_ACCELEROMETER, RANGE_A, RESOLUTION_A, 0.20f, 10000, { } },
+ { "MS-3R (YAS532) Magnetic Sensor",
+ "Yamaha Corporation",
+ 1, SENSORS_MAGNETIC_FIELD_HANDLE,
+ SENSOR_TYPE_MAGNETIC_FIELD, 2000.0f, 0.06f, 6.8f, 10000, { } },
+ { "MS-x Orientation Sensor",
+ "Yamaha Corporation",
+ 1, SENSORS_ORIENTATION_HANDLE,
+ SENSOR_TYPE_ORIENTATION, 360.0f, CONVERT_O, 7.8f, 10000, { } },
+ { "AL3201 Light Sensor",
+ "LITEON",
+ 1, SENSORS_LIGHT_HANDLE,
+ SENSOR_TYPE_LIGHT, 10240.0f, 1.0f, 0.75f, 0, { } },
+};
+
+
+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 {
+ struct sensors_poll_device_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);
+
+private:
+ enum {
+ light = 0,
+ proximity = 1,
+ bosch = 2,
+ yamaha = 3,
+ orientation = 4,
+ numSensorDrivers,
+ numFds,
+ };
+
+ static const size_t wake = numFds - 1;
+ static const char WAKE_MESSAGE = 'W';
+ struct pollfd mPollFds[numFds];
+ int mWritePipeFd;
+ SensorBase* mSensors[numSensorDrivers];
+
+ // For keeping track of usage (only count from system)
+ bool mAccelActive;
+ bool mMagnetActive;
+ bool mOrientationActive;
+
+ int real_activate(int handle, int enabled);
+
+ int handleToDriver(int handle) const {
+ switch (handle) {
+
+ case ID_A:
+ return bosch;
+ case ID_M:
+ return yamaha;
+ case ID_O:
+ return orientation;
+ case ID_P:
+ return proximity;
+ case ID_L:
+ return light;
+
+ }
+ 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[bosch] = new AccelSensor();
+ mPollFds[bosch].fd = mSensors[bosch]->getFd();
+ mPollFds[bosch].events = POLLIN;
+ mPollFds[bosch].revents = 0;
+
+ mSensors[yamaha] = new CompassSensor();
+ mPollFds[yamaha].fd = mSensors[yamaha]->getFd();
+ mPollFds[yamaha].events = POLLIN;
+ mPollFds[yamaha].revents = 0;
+
+ mSensors[orientation] = new OrientationSensor();
+ mPollFds[orientation].fd = mSensors[orientation]->getFd();
+ mPollFds[orientation].events = POLLIN;
+ mPollFds[orientation].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;
+
+ mAccelActive = false;
+ mMagnetActive = false;
+ mOrientationActive = false;
+}
+
+sensors_poll_context_t::~sensors_poll_context_t() {
+ for (int i=0 ; i<numSensorDrivers ; i++) {
+ delete mSensors[i];
+ }
+ close(mPollFds[wake].fd);
+ close(mWritePipeFd);
+}
+
+int sensors_poll_context_t::activate(int handle, int enabled) {
+ int err;
+
+ // Orientation requires accelerometer and magnetic sensor
+ if (handle == ID_O) {
+ mOrientationActive = enabled ? true : false;
+ if (!mAccelActive) {
+ err = real_activate(ID_A, enabled);
+ if (err) return err;
+ }
+ if (!mMagnetActive) {
+ err = real_activate(ID_M, enabled);
+ if (err) return err;
+ }
+ }
+ // Keep track of magnetic and accelerometer use from system
+ else if (handle == ID_A) {
+ mAccelActive = enabled ? true : false;
+ // No need to enable or disable if orientation sensor is active as that will handle it
+ if (mOrientationActive) return 0;
+ }
+ else if (handle == ID_M) {
+ mMagnetActive = enabled ? true : false;
+ // No need to enable or disable if orientation sensor is active as that will handle it
+ if (mOrientationActive) return 0;
+ }
+
+ return real_activate(handle, enabled);
+}
+
+int sensors_poll_context_t::real_activate(int handle, int enabled) {
+ int index = handleToDriver(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
+ do {
+ n = poll(mPollFds, numFds, nbEvents ? 0 : -1);
+ } while (n < 0 && errno == EINTR);
+ 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;
+}
+
+/*****************************************************************************/
+
+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);
+}
+
+/*****************************************************************************/
+
+/** 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_t));
+
+ dev->device.common.tag = HARDWARE_DEVICE_TAG;
+ dev->device.common.version = 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;
+
+ *device = &dev->device.common;
+ status = 0;
+
+ return status;
+}
+
diff --git a/libsensors/sensors.h b/libsensors/sensors.h
new file mode 100644
index 0000000..406754a
--- /dev/null
+++ b/libsensors/sensors.h
@@ -0,0 +1,119 @@
+/*
+ * 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.
+ */
+
+#ifndef ANDROID_SENSORS_H
+#define ANDROID_SENSORS_H
+
+#include <stdint.h>
+#include <errno.h>
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+#include <linux/input.h>
+
+#include <hardware/hardware.h>
+#include <hardware/sensors.h>
+
+__BEGIN_DECLS
+
+/*****************************************************************************/
+
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
+
+#define ID_A (0)
+#define ID_M (1)
+#define ID_O (2)
+#define ID_L (3)
+#define ID_P (4)
+#define ID_GY (5)
+
+/*****************************************************************************/
+
+/*
+ * The SENSORS Module
+ */
+
+/* the GP2A is a binary proximity sensor that triggers around 5 cm on
+ * this hardware */
+#define PROXIMITY_THRESHOLD_GP2A 5.0f
+
+/*****************************************************************************/
+
+#define EVENT_TYPE_ACCEL_X ABS_X
+#define EVENT_TYPE_ACCEL_Y ABS_Y
+#define EVENT_TYPE_ACCEL_Z ABS_Z
+
+#define EVENT_TYPE_YAW REL_X
+#define EVENT_TYPE_PITCH REL_Y
+#define EVENT_TYPE_ROLL REL_Z
+#define EVENT_TYPE_ORIENT_STATUS REL_WHEEL
+
+/* For AK8973iB */
+#define EVENT_TYPE_MAGV_X ABS_X
+#define EVENT_TYPE_MAGV_Y ABS_Y
+#define EVENT_TYPE_MAGV_Z ABS_Z
+
+#define EVENT_TYPE_PROXIMITY ABS_DISTANCE
+#define EVENT_TYPE_LIGHT REL_MISC
+
+#define EVENT_TYPE_GYRO_X REL_RY
+#define EVENT_TYPE_GYRO_Y REL_RX
+#define EVENT_TYPE_GYRO_Z REL_RZ
+
+// 720 LSG = 1G
+#define NUMOFACCDATA 8
+
+// conversion of acceleration data to SI units (m/s^2)
+/* Accel BMA250 */
+#define EVENT_TYPE_ACCEL_X ABS_X
+#define EVENT_TYPE_ACCEL_Y ABS_Y
+#define EVENT_TYPE_ACCEL_Z ABS_Z
+#define LSG (1000.0f)
+
+// conversion of acceleration data to SI units (m/s^2)
+#define RANGE_A (4*GRAVITY_EARTH)
+#define RESOLUTION_A (GRAVITY_EARTH / LSG)
+#define CONVERT_A (GRAVITY_EARTH / LSG)
+#define CONVERT_A_X (CONVERT_A)
+#define CONVERT_A_Y (CONVERT_A)
+#define CONVERT_A_Z (CONVERT_A)
+
+// conversion of magnetic data to uT units
+#define CONVERT_M (1.0f/1000.0.0f)
+#define CONVERT_M_X (CONVERT_M)
+#define CONVERT_M_Y (CONVERT_M)
+#define CONVERT_M_Z (CONVERT_M)
+
+/* conversion of orientation data to degree units */
+#define CONVERT_O (1.0f/1000.0f)
+#define CONVERT_O_A (CONVERT_O)
+#define CONVERT_O_P (CONVERT_O)
+#define CONVERT_O_R (CONVERT_O)
+
+// conversion of gyro data to SI units (radian/sec)
+#define RANGE_GYRO (2000.0f*(float)M_PI/180.0f)
+#define CONVERT_GYRO ((70.0f / 1000.0f) * ((float)M_PI / 180.0f))
+#define CONVERT_GYRO_X (CONVERT_GYRO)
+#define CONVERT_GYRO_Y (-CONVERT_GYRO)
+#define CONVERT_GYRO_Z (CONVERT_GYRO)
+
+#define SENSOR_STATE_MASK (0x7FFF)
+
+/*****************************************************************************/
+
+__END_DECLS
+
+#endif // ANDROID_SENSORS_H
diff --git a/n5110.mk b/n5110.mk
index 4180da7..9443d15 100644
--- a/n5110.mk
+++ b/n5110.mk
@@ -52,6 +52,10 @@ PRODUCT_COPY_FILES += \
PRODUCT_PACKAGES += \
camera.smdk4x12
+# Sensors
+PRODUCT_PACKAGES += \
+ sensors.smdk4x12
+
# RIL
PRODUCT_PROPERTY_OVERRIDES += \
mobiledata.interfaces=wlan0
generated by cgit v1.1 at 2024-12-22 10:58:52 +0000