diff options
Diffstat (limited to 'libsensors/akmdfs/AKFS_APIs_8975/AKFS_AK8975.h')
-rw-r--r-- | libsensors/akmdfs/AKFS_APIs_8975/AKFS_AK8975.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/libsensors/akmdfs/AKFS_APIs_8975/AKFS_AK8975.h b/libsensors/akmdfs/AKFS_APIs_8975/AKFS_AK8975.h new file mode 100644 index 0000000..25459e3 --- /dev/null +++ b/libsensors/akmdfs/AKFS_APIs_8975/AKFS_AK8975.h @@ -0,0 +1,50 @@ +/****************************************************************************** + * + * 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_AK8975_H +#define AKFS_INC_AK8975_H + +#include "AKFS_Device.h" + +/***** Constant definition ****************************************************/ +#define AK8975_BDATA_SIZE 8 + +#define AK8975_HSENSE_DEFAULT 1 +#define AK8975_HSENSE_TARGET 0.3f +#define AK8975_ASENSE_DEFAULT 720 +#define AK8975_ASENSE_TARGET 9.80665f + +#define AK8975_HDATA_CONVERTER(hi, low, asa) \ + (AKFLOAT)((int16)((((uint16)(hi))<<8)+(uint16)(low))*(((asa)/256.0f) + 0.5f)) + +#define AK8975_ST_ERROR(st) (((st)&0x09) != 0x01) + +/***** Type declaration *******************************************************/ + +/***** Prototype of function **************************************************/ +AKLIB_C_API_START +int16 AKFS_DecompAK8975( + const int16 mag[3], + const int16 status, + const uint8vec* asa, + const int16 nhdata, + AKFVEC hdata[] +); +AKLIB_C_API_END + +#endif + |