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>

1 files changed, 51 insertions, 0 deletions

diff --git a/libsensors/ProximitySensor.h b/libsensors/ProximitySensor.h
new file mode 100644
index 0000000..36b79d1
--- /dev/null
+++ b/libsensors/ProximitySensor.h
@@ -0,0 +1,51 @@
+/*
+ * 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.
+ */
+
+#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 "SamsungSensorBase.h"
+#include "InputEventReader.h"
+
+/* the GP2A is a binary proximity sensor that triggers around 5 cm on
+ * this hardware */
+#define PROXIMITY_THRESHOLD_GP2A  5.0f
+
+/*****************************************************************************/
+
+struct input_event;
+
+class ProximitySensor:public SamsungSensorBase {
+
+    virtual int handleEnable(int en);
+    virtual bool handleEvent(input_event const * event);
+
+    float indexToValue(size_t index) const;
+public:
+    ProximitySensor();
+    virtual int setDelay(int32_t handle, int64_t ns);
+    virtual bool hasPendingEvents() const;
+};
+
+/*****************************************************************************/
+
+#endif  /* ANDROID_PROXIMITY_SENSOR_H */