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-rw-r--r--AK8975_FS/libsensors/sensors.h85
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diff --git a/AK8975_FS/libsensors/sensors.h b/AK8975_FS/libsensors/sensors.h
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+/*
+ * 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)
+
+/*****************************************************************************/
+
+/*
+ * The SENSORS Module
+ */
+
+/*****************************************************************************/
+
+/* For ADXL346 */
+#define EVENT_TYPE_ACCEL_X ABS_X
+#define EVENT_TYPE_ACCEL_Y ABS_Y
+#define EVENT_TYPE_ACCEL_Z ABS_Z
+#define EVENT_TYPE_ACCEL_STATUS ABS_THROTTLE
+
+/* For AK8975 */
+#define EVENT_TYPE_MAGV_X ABS_RX
+#define EVENT_TYPE_MAGV_Y ABS_RY
+#define EVENT_TYPE_MAGV_Z ABS_RZ
+#define EVENT_TYPE_MAGV_STATUS ABS_RUDDER
+
+/* Fro AKM Algorithm */
+#define EVENT_TYPE_YAW ABS_HAT0X
+#define EVENT_TYPE_PITCH ABS_HAT0Y
+#define EVENT_TYPE_ROLL ABS_HAT1X
+#define EVENT_TYPE_ORIENT_STATUS ABS_HAT1Y
+
+
+/* conversion of acceleration data to SI units (m/s^2) */
+/* 720 LSB = 1G */
+#define LSG (256.0f)
+#define AKSC_LSG (720.0f)
+#define CONVERT_A (GRAVITY_EARTH / LSG)
+
+/* conversion of magnetic data to uT units */
+#define CONVERT_M (0.06f)
+
+/* conversion of orientation data to degree units */
+#define CONVERT_O (0.015625f)
+
+#define SENSOR_STATE_MASK (0x7FFF)
+
+/*****************************************************************************/
+
+__END_DECLS
+
+#endif // ANDROID_SENSORS_H