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+/******************************************************************************
+ *
+ * Copyright (C) 2012 Asahi Kasei Microdevices Corporation, Japan
+ *
+ * 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 AKFS_INC_MEASURE_H
+#define AKFS_INC_MEASURE_H
+
+/* Include files for AK8975 library. */
+#include "AKFS_Compass.h"
+
+/*** Constant definition ******************************************************/
+#define AK8975_SELFTEST_MIN_X -100
+#define AK8975_SELFTEST_MAX_X 100
+
+#define AK8975_SELFTEST_MIN_Y -100
+#define AK8975_SELFTEST_MAX_Y 100
+
+#define AK8975_SELFTEST_MIN_Z -1000
+#define AK8975_SELFTEST_MAX_Z -300
+
+#define CONVERT_ACC(a) ((int)((a) * 720 / 9.8f))
+#define CONVERT_MAG(m) ((int)((m) / 0.06f))
+#define CONVERT_ORI(o) ((int)((o) * 64))
+
+/*** Type declaration *********************************************************/
+
+/*** Global variables *********************************************************/
+
+/*** Prototype of function ****************************************************/
+int16 AKFS_ReadAK8975FUSEROM(
+ uint8 regs[3]
+);
+
+int16 AKFS_SelfTest(void);
+
+struct timespec AKFS_CalcSleep(
+ const struct timespec* end,
+ const struct timespec* start,
+ const int64_t minimum
+);
+
+int16 AKFS_GetInterval(
+ uint16* flag,
+ int64_t* minimum
+);
+
+void AKFS_OutputResult(
+ const uint16 flag,
+ const AKSENSOR_DATA* acc,
+ const AKSENSOR_DATA* mag,
+ const AKSENSOR_DATA* ori
+);
+
+void AKFS_MeasureLoop(void);
+
+#endif
+