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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 channel.h
* @date "Thu Mar 6 17:47:08 2014 +0800"
* @commit "09631c4"
*
* @brief
*
* @detail
*
*/
#ifndef __CHANNEL_H
#define __CHANNEL_H
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <linux/fs.h>
#include <fcntl.h>
#include <signal.h>
#include <pthread.h>
#include <errno.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include "configure.h"
#include "options.h"
#include "util_misc.h"
#define INTV_PROC_MIN 5
enum CHANNEL_STATE {
CHANNEL_STATE_SLEEP = 0,
CHANNEL_STATE_NORMAL,
CHANNEL_STATE_BG,
};
struct channel_cfg {
/* sensor provider */
char const *sp_name;
uint16_t availability:3;
/* deprecated, not used any more */
uint16_t calib_bg:1;
/* set to 1 if the delay makes no sense for
* this sensor, e.g.: proximity, light sensors etc
*/
uint16_t no_delay:1;
/* channel does not need processing of
* data by sensor_provider, i.e.: sp only
* acts as an HW manager
*/
uint16_t bypass_proc:1;
/* NOTE: limitations */
uint16_t interval_min;
/* NOTE: limitations */
uint16_t interval_max;
/* deprecated, not used any more */
hw_dep_set_t dep_hw;
};
struct channel {
const char const *name;
/* NOTE: limitations */
const int32_t type;
/* id which identify a channel uniquely */
const int8_t handle;
struct channel_cfg cfg;
volatile int32_t prev_state:4;
volatile int32_t state:4;
/* deprecated */
int32_t data_status:4;
/* NOTE: limitations */
volatile int16_t interval;
/* NOTE: limitations */
uint32_t ts_last_ev;
struct sensor_provider *sp;
void *private_data;
struct list_node client;
pthread_mutex_t lock_state;
/* mandatory: */
int (*init)(struct channel *);
/* optional: enable algorithm support */
int (*enable)(struct channel *, int);
/* optional: */
void (*exit)();
/* mandatory: function to fetch output data from its sensor provider */
int (*get_data)(void *, int);
/* some sensors might be enabled multiple times */
/* optional */
};
struct data_filter {
/* returns the valid data which is put in @out */
int (*filter)(struct data_filter *df,
const void *in, int len_in, void *out, int len_out);
void *private_data;
};
extern int channel_cntl_init();
int channel_get_handle_list(int8_t *p_list, int32_t size);
extern void channel_cntl_destroy();
extern int channel_get_state(int handle);
extern int channel_get_cfg(int handle, struct channel_cfg *cfg);
extern int channel_set_cfg(int handle, const struct channel_cfg *cfg);
extern void channel_cntl_dump();
extern int channel_init_a(struct channel *);
extern void channel_destroy_a();
extern int get_data_a(void *buf, int n); /* acceleration */
extern int channel_enable_a(int);
extern void on_interval_changed_a(int *);
extern int channel_init_g(struct channel *);
extern void channel_destroy_g();
extern int get_data_g(void *buf, int n); /* gyro */
extern int channel_enable_g(int);
extern void on_interval_changed_g(int *);
extern int channel_init_m(struct channel *);
extern void channel_destroy_m();
extern int get_data_m(void *buf, int n); /* magnetic */
extern int channel_enable_m(int);
extern void on_interval_changed_m(int *);
extern int channel_init_o(struct channel *);
extern void channel_destroy_o();
extern int get_data_o(void *buf, int n); /* orientation */
extern void on_interval_changed_o(int *);
extern int channel_enable_o(int);
extern int channel_init_vg(struct channel *);
extern void channel_destroy_vg();
extern int get_data_vg(void *buf, int n); /* gravity */
extern int channel_enable_vg(int);
extern void on_interval_changed_vg(int *);
extern int channel_init_vla(struct channel *);
extern void channel_destroy_vla();
extern int get_data_vla(void *buf, int n); /* linear acc */
extern int channel_enable_vla(int);
extern void on_interval_changed_vla(int *);
extern int channel_init_vrv(struct channel *);
extern void channel_destroy_vrv();
extern int get_data_vrv(void *buf, int n); /* rotation vector */
extern int channel_enable_vrv(int);
extern void on_interval_changed_vrv(int *);
#ifdef __FLIP_GESTURE__
/* gesture flip vector */
int channel_gest_flip_init(struct channel *ch);
int channel_gest_flip_get_data(void *pbuf, int n);
int channel_gest_flip_enable(struct channel *ch, int en);
#endif
#ifdef __UNCALIBRATED_VIRTUAL_SENSOR_SUPPORT__
extern int channel_init_grv(struct channel *);
extern int get_data_grv(void *buf, int n);
extern int channel_init_gu(struct channel *);
extern int get_data_gu(void *buf, int n);
extern int channel_init_mu(struct channel *);
extern int get_data_mu(void *buf, int n);
#endif
#if __HAL_VER__ >= __SENSORS_DEVICE_API_VERSION_1_1__
extern int channel_init_geom_rv(struct channel *);
extern int get_data_geom_rv(void *buf, int n);
#endif
#if __HAL_VER__ >= __SENSORS_DEVICE_API_VERSION_1_0__
extern int channel_init_stc(struct channel *);
extern int get_data_stc(void *buf, int n);
extern int channel_stc_enable(struct channel *ch, int en);
extern int channel_init_std(struct channel *);
extern int get_data_std(void *buf, int n);
extern int channel_std_enable(struct channel *ch, int en);
#endif
extern int channel_sgm_init(struct channel *);
extern int channel_sgm_get_data(void *buf, int n);
extern int channel_sgm_enable(struct channel *ch, int en);
void fusion_proc_data(uint32_t ts);
int get_hint_interval_fusion();
int channel_get_num();
struct channel *channel_get_ch(int handle);
#endif
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