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author | mcampbellsmith <mcampbellsmith@gmail.com> | 2013-12-16 22:12:59 +1100 |
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committer | mcampbellsmith <mcampbellsmith@gmail.com> | 2013-12-16 22:13:13 +1100 |
commit | 58ae1ab73851129d054df33b12ea7bc1af704ea4 (patch) | |
tree | 0341ae54c4ba6a4369e8db364e101941b00db224 /libsensors/akmdfs/AKFS_APIs_8975/AKFS_Device.c | |
parent | 2d598cf590461156ad5572fb35acbd78590060c1 (diff) | |
download | device_samsung_i9305-58ae1ab73851129d054df33b12ea7bc1af704ea4.zip device_samsung_i9305-58ae1ab73851129d054df33b12ea7bc1af704ea4.tar.gz device_samsung_i9305-58ae1ab73851129d054df33b12ea7bc1af704ea4.tar.bz2 |
i9305: Open source sensors
Include the open source libsensors from the i9300
Change-Id: I9c1ebe3124e69ae0fb1237e3df242a39ebc3a852
Diffstat (limited to 'libsensors/akmdfs/AKFS_APIs_8975/AKFS_Device.c')
-rw-r--r-- | libsensors/akmdfs/AKFS_APIs_8975/AKFS_Device.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/libsensors/akmdfs/AKFS_APIs_8975/AKFS_Device.c b/libsensors/akmdfs/AKFS_APIs_8975/AKFS_Device.c new file mode 100644 index 0000000..3d99ab1 --- /dev/null +++ b/libsensors/akmdfs/AKFS_APIs_8975/AKFS_Device.c @@ -0,0 +1,110 @@ +/****************************************************************************** + * + * 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_Device.h" + +int16 AKFS_InitBuffer( + const int16 ndata, /*!< Size of vector buffer */ + AKFVEC vdata[] /*!< Vector buffer */ +) +{ + int i; + + /* size check */ + if (ndata <= 0) { + return AKFS_ERROR; + } + + for (i=0; i<ndata; i++) { + vdata[i].u.x = AKFS_INIT_VALUE_F; + vdata[i].u.y = AKFS_INIT_VALUE_F; + vdata[i].u.z = AKFS_INIT_VALUE_F; + } + + return AKFS_SUCCESS; +} + +int16 AKFS_BufShift( + const int16 len, /*!< size of buffer */ + const int16 shift, /*!< shift size */ + AKFVEC v[] /*!< buffer */ +) +{ + int16 i; + + if((shift < 1) || (len < shift)) { + return AKFS_ERROR; + } + for (i = len-1; i >= shift; i--) { + v[i] = v[i-shift]; + } + return AKFS_SUCCESS; +} + +int16 AKFS_Rotate( + const AKFS_PATNO pat, + AKFVEC* vec +) +{ + AKFLOAT tmp; + switch(pat){ + /* Obverse */ + case PAT1: + /* This is Android default */ + break; + case PAT2: + tmp = vec->u.x; + vec->u.x = vec->u.y; + vec->u.y = -tmp; + break; + case PAT3: + vec->u.x = -(vec->u.x); + vec->u.y = -(vec->u.y); + break; + case PAT4: + tmp = vec->u.x; + vec->u.x = -(vec->u.y); + vec->u.y = tmp; + break; + /* Reverse */ + case PAT5: + vec->u.x = -(vec->u.x); + vec->u.z = -(vec->u.z); + break; + case PAT6: + tmp = vec->u.x; + vec->u.x = vec->u.y; + vec->u.y = tmp; + vec->u.z = -(vec->u.z); + break; + case PAT7: + vec->u.y = -(vec->u.y); + vec->u.z = -(vec->u.z); + break; + case PAT8: + tmp = vec->u.x; + vec->u.x = -(vec->u.y); + vec->u.y = -tmp; + vec->u.z = -(vec->u.z); + break; + default: + return AKFS_ERROR; + } + + return AKFS_SUCCESS; +} + |