moved to device/samsung/aries-common

1 files changed, 163 insertions, 0 deletions

diff --git a/libsensors/OrientationSensor.cpp b/libsensors/OrientationSensor.cpp
new file mode 100644
index 0000000..3fb5d29
--- /dev/null
+++ b/libsensors/OrientationSensor.cpp
@@ -0,0 +1,163 @@
+/*
+ * 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 "OrientationSensor.h"
+
+
+/*****************************************************************************/
+OrientationSensor::OrientationSensor()
+    : SensorBase(NULL, "orientation_sensor"),
+      mEnabled(0),
+      mInputReader(4),
+      mHasPendingEvent(false)
+{
+    LOGD("OrientationSensor::OrientationSensor()");
+    mPendingEvent.version = sizeof(sensors_event_t);
+    mPendingEvent.sensor = ID_O;
+    mPendingEvent.type =  SENSOR_TYPE_ORIENTATION;
+    memset(mPendingEvent.data, 0, sizeof(mPendingEvent.data));
+    
+    LOGD("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);
+    }
+}
+
+OrientationSensor::~OrientationSensor() {
+
+    LOGD("OrientationSensor::~OrientationSensor()");
+    if (mEnabled) {
+        enable(0, 0);
+    }
+}
+
+
+int OrientationSensor::enable(int32_t, int en) {
+
+	   
+    LOGD("OrientationSensor::~enable(0, %d)", en);
+    int flags = en ? 1 : 0;
+    if (flags != mEnabled) {
+        int fd;
+        strcpy(&input_sysfs_path[input_sysfs_path_len], "enable");
+        LOGD("OrientationSensor::~enable(0, %d) open %s",en,  input_sysfs_path);
+        fd = open(input_sysfs_path, O_RDWR);
+        if (fd >= 0) {
+             LOGD("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();
+            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.*/
+    //LOGD("OrientationSensor::~hasPendingEvents %d", mHasPendingEvent ? 1 : 0 );
+    return mHasPendingEvent;
+}
+
+
+int OrientationSensor::setDelay(int32_t handle, int64_t ns)
+{
+    LOGD("OrientationSensor::~setDelay(%d, %d)", handle, ns);
+    /* FIXME needs changes to the kernel driver.
+       We need to add a IOCTL that can set the samplingrate
+       the driver in ther kernel supports this allready only need
+       to add a IOCTL on both sides for that*/
+    return 0;
+}
+
+
+int OrientationSensor::readEvents(sensors_event_t* data, int count)
+{
+    //LOGD("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_REL) {
+            float value = event->value;
+            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 {
+            LOGE("OrientationSensor: unknown event (type=%d, code=%d)",
+                    type, event->code);
+        }
+        mInputReader.next();
+    }
+ 
+	//LOGD("OrientationSensor::~readEvents() numEventReceived = %d", numEventReceived);
+	return numEventReceived++;
+		
+}