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author | Paul Kocialkowski <contact@paulk.fr> | 2014-01-05 21:26:06 +0100 |
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committer | Paul Kocialkowski <contact@paulk.fr> | 2014-01-06 22:38:26 +0100 |
commit | da6fcf71764f46b965ede87795cfbe818a03103f (patch) | |
tree | f184d149a79e2ae21420eaf8112c232cb65e0a44 /sensors/akmdfs/AKFS_APIs_8975/AKFS_AK8975.c | |
parent | 7ec537bb7955c35b40a38fffae2f2d4022311b5a (diff) | |
download | device_samsung_i9300-da6fcf71764f46b965ede87795cfbe818a03103f.zip device_samsung_i9300-da6fcf71764f46b965ede87795cfbe818a03103f.tar.gz device_samsung_i9300-da6fcf71764f46b965ede87795cfbe818a03103f.tar.bz2 |
SMDK4x12 Sensorsreplicant-4.2-0002replicant-4.2-0001
Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Diffstat (limited to 'sensors/akmdfs/AKFS_APIs_8975/AKFS_AK8975.c')
-rw-r--r-- | sensors/akmdfs/AKFS_APIs_8975/AKFS_AK8975.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/sensors/akmdfs/AKFS_APIs_8975/AKFS_AK8975.c b/sensors/akmdfs/AKFS_APIs_8975/AKFS_AK8975.c new file mode 100644 index 0000000..7bac9a1 --- /dev/null +++ b/sensors/akmdfs/AKFS_APIs_8975/AKFS_AK8975.c @@ -0,0 +1,44 @@ +/****************************************************************************** + * + * 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. + * + ******************************************************************************/ +#include "AKFS_AK8975.h" +#include "AKFS_Device.h" + +/*! + */ +int16 AKFS_DecompAK8975( + const int16 mag[3], + const int16 status, + const uint8vec* asa, + const int16 nhdata, + AKFVEC hdata[] +) +{ + /* put st1 and st2 value */ + if (AK8975_ST_ERROR(status)) { + return AKFS_ERROR; + } + + /* magnetic */ + AKFS_BufShift(nhdata, 1, hdata); + hdata[0].u.x = mag[0] * (((asa->u.x)/256.0f) + 0.5f); + hdata[0].u.y = mag[1] * (((asa->u.y)/256.0f) + 0.5f); + hdata[0].u.z = mag[2] * (((asa->u.z)/256.0f) + 0.5f); + + return AKFS_SUCCESS; +} + |