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      1 /******************************************************************************
      2  * $Id: AKFS_Measure.h 580 2012-03-29 09:56:21Z yamada.rj $
      3  ******************************************************************************
      4  *
      5  * Copyright (C) 2012 Asahi Kasei Microdevices Corporation, Japan
      6  *
      7  * Licensed under the Apache License, Version 2.0 (the "License");
      8  * you may not use this file except in compliance with the License.
      9  * You may obtain a copy of the License at
     10  *
     11  *      http://www.apache.org/licenses/LICENSE-2.0
     12  *
     13  * Unless required by applicable law or agreed to in writing, software
     14  * distributed under the License is distributed on an "AS IS" BASIS,
     15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     16  * See the License for the specific language governing permissions and
     17  * limitations under the License.
     18  */
     19 #ifndef AKFS_INC_MEASURE_H
     20 #define AKFS_INC_MEASURE_H
     21 
     22 /* Include files for AK8975 library. */
     23 #include "AKFS_Compass.h"
     24 
     25 /*** Constant definition ******************************************************/
     26 #define AK8975_SELFTEST_MIN_X	(-100)
     27 #define AK8975_SELFTEST_MAX_X	100
     28 
     29 #define AK8975_SELFTEST_MIN_Y	(-100)
     30 #define AK8975_SELFTEST_MAX_Y	100
     31 
     32 #define AK8975_SELFTEST_MIN_Z	(-1000)
     33 #define AK8975_SELFTEST_MAX_Z	(-300)
     34 
     35 #define CONVERT_ACC(a)	((int)((a) * 720 / 9.8f))
     36 #define CONVERT_MAG(m)	((int)((m) / 0.06f))
     37 #define CONVERT_ORI(o)	((int)((o) * 64))
     38 
     39 /*** Type declaration *********************************************************/
     40 
     41 /*** Global variables *********************************************************/
     42 
     43 /*** Prototype of function ****************************************************/
     44 int16 AKFS_ReadAK8975FUSEROM(
     45 		uint8 regs[3]
     46 );
     47 
     48 int16 AKFS_SelfTest(void);
     49 
     50 struct timespec AKFS_CalcSleep(
     51 	const struct timespec* end,
     52 	const struct timespec* start,
     53 	const int64_t minimum
     54 );
     55 
     56 int16 AKFS_GetInterval(
     57 		uint16*  flag,
     58 		int64_t* minimum
     59 );
     60 
     61 void AKFS_OutputResult(
     62 	const	uint16			flag,
     63 	const	AKSENSOR_DATA*	acc,
     64 	const	AKSENSOR_DATA*	mag,
     65 	const	AKSENSOR_DATA*	ori
     66 );
     67 
     68 void AKFS_MeasureLoop(void);
     69 
     70 #endif
     71 
     72