From fd62ef4c2d6e912b0a9a5354e82560f515b0c20c Mon Sep 17 00:00:00 2001
From: Marty Fouts <mfouts@sta.samsung.com>
Date: Mon, 27 Jun 2011 22:40:40 -0700
Subject: tuna: sensors: add light, proximity, pressure sensors

NOTE:
	- light sensor ADC values need to be calibrated.

Change-Id: Iba75dc62a922bbcd0d1e273566f9089c4da450fb
Signed-off-by: Marty Fouts <mfouts@sta.samsung.com>
---
 libsensors/PressureSensor.cpp | 45 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 libsensors/PressureSensor.cpp

(limited to 'libsensors/PressureSensor.cpp')

diff --git a/libsensors/PressureSensor.cpp b/libsensors/PressureSensor.cpp
new file mode 100644
index 0000000..dc34b95
--- /dev/null
+++ b/libsensors/PressureSensor.cpp
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2011 Samsung
+ *
+ * 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 <pthread.h>
+
+#include "PressureSensor.h"
+
+/*
+ * The BMP driver gives pascal values.
+ * It needs to be changed into hectoPascal
+ */
+#define PRESSURE_HECTO (1.0f/100.0f)
+
+PressureSensor::PressureSensor()
+    : SamsungSensorBase(NULL, "barometer", ABS_PRESSURE)
+{
+    mPendingEvent.sensor = ID_PR;
+    mPendingEvent.type = SENSOR_TYPE_PRESSURE;
+}
+
+bool PressureSensor::handleEvent(input_event const *event) {
+    mPendingEvent.pressure = event->value * PRESSURE_HECTO;
+    return true;
+}
-- 
cgit v1.1