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/*!
* @section LICENSE
*
* (C) Copyright 2011~2014 Bosch Sensortec GmbH All Rights Reserved
*
* 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.
*
*------------------------------------------------------------------------------
* Disclaimer
*
* Common: Bosch Sensortec products are developed for the consumer goods
* industry. They may only be used within the parameters of the respective valid
* product data sheet. Bosch Sensortec products are provided with the express
* understanding that there is no warranty of fitness for a particular purpose.
* They are not fit for use in life-sustaining, safety or security sensitive
* systems or any system or device that may lead to bodily harm or property
* damage if the system or device malfunctions. In addition, Bosch Sensortec
* products are not fit for use in products which interact with motor vehicle
* systems. The resale and/or use of products are at the purchaser's own risk
* and his own responsibility. The examination of fitness for the intended use
* is the sole responsibility of the Purchaser.
*
* The purchaser shall indemnify Bosch Sensortec from all third party claims,
* including any claims for incidental, or consequential damages, arising from
* any product use not covered by the parameters of the respective valid product
* data sheet or not approved by Bosch Sensortec and reimburse Bosch Sensortec
* for all costs in connection with such claims.
*
* The purchaser must monitor the market for the purchased products,
* particularly with regard to product safety and inform Bosch Sensortec without
* delay of all security relevant incidents.
*
* Engineering Samples are marked with an asterisk (*) or (e). Samples may vary
* from the valid technical specifications of the product series. They are
* therefore not intended or fit for resale to third parties or for use in end
* products. Their sole purpose is internal client testing. The testing of an
* engineering sample may in no way replace the testing of a product series.
* Bosch Sensortec assumes no liability for the use of engineering samples. By
* accepting the engineering samples, the Purchaser agrees to indemnify Bosch
* Sensortec from all claims arising from the use of engineering samples.
*
* Special: This software module (hereinafter called "Software") and any
* information on application-sheets (hereinafter called "Information") is
* provided free of charge for the sole purpose to support your application
* work. The Software and Information is subject to the following terms and
* conditions:
*
* The Software is specifically designed for the exclusive use for Bosch
* Sensortec products by personnel who have special experience and training. Do
* not use this Software if you do not have the proper experience or training.
*
* This Software package is provided `` as is `` and without any expressed or
* implied warranties, including without limitation, the implied warranties of
* merchantability and fitness for a particular purpose.
*
* Bosch Sensortec and their representatives and agents deny any liability for
* the functional impairment of this Software in terms of fitness, performance
* and safety. Bosch Sensortec and their representatives and agents shall not be
* liable for any direct or indirect damages or injury, except as otherwise
* stipulated in mandatory applicable law.
*
* The Information provided is believed to be accurate and reliable. Bosch
* Sensortec assumes no responsibility for the consequences of use of such
* Information nor for any infringement of patents or other rights of third
* parties which may result from its use.
*
* @file sensor_hw.h
* @date "Wed Apr 17 14:17:11 2013 +0800"
* @commit "c17081e"
*
* @brief
*
* @detail
*
*/
#ifndef __SENSOR_HW_H
#define __SENSOR_HW_H
#include <stdint.h>
/* a bitmap of dependencies */
/* NOTE: limitations: hw number limited to 16 */
typedef int16_t hw_dep_set_t;
typedef struct axis_remap {
unsigned int rx: 2;
unsigned int ry: 2;
unsigned int rz: 2;
unsigned int sx: 2;
unsigned int sy: 2;
unsigned int sz: 2;
} axis_remap_t;
struct sensor_hw {
const char const *name;
/* defined as SENSOR_HW_TYPE_X */
const int32_t type;
uint32_t available:1;
uint32_t fd_pollable:1;
/* NOTE: limitations: */
uint32_t wakeup_time:10;
int32_t ref:8;
uint32_t enabled:1;
uint32_t drdy:1;
int32_t delay:10;
int fd_poll;
uint32_t ts_last_update;
void *private_data;
pthread_mutex_t lock_ref;
/* mandatory: */
int (*init)(struct sensor_hw *);
/* mandatory: */
int (*enable)(struct sensor_hw *, int);
/* optional: */
int (*restore_cfg)(struct sensor_hw *);
/* optional: */
int (*set_delay)(struct sensor_hw *, int);
/* mandatory if the device is not pollable */
int (*get_drdy_status)(struct sensor_hw *);
/* either get_data_nb() or get_data() or both should be provided */
/* optional:
* this function should get the data from the device in a non-blocking way
*/
int (*get_data_nb)(void *val);
/* optional: this function get the data from the device and it might block */
int (*get_data)(void *val);
};
struct sensor_hw_a {
struct sensor_hw hw;
uint32_t bw:12;
uint32_t range:6;
uint32_t data_bits:5;
uint32_t place:6;
int (*set_bw)(struct sensor_hw_a *, uint32_t bw);
int (*set_range)(struct sensor_hw_a *, uint32_t range);
};
struct sensor_hw_m {
struct sensor_hw hw;
uint32_t data_bits:5;
uint32_t place:6;
};
struct sensor_hw_g {
struct sensor_hw hw;
uint32_t bw:12;
uint32_t range:6;
uint32_t data_bits:5;
uint32_t place:6;
int (*set_bw)(struct sensor_hw_g *, uint32_t bw);
int (*set_range)(struct sensor_hw_g *, uint32_t range);
};
#endif
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