Home | History | Annotate | Line # | Download | only in i2c
am2315var.h revision 1.1 
      1 /*
      2  * Copyright (c) 2017 Brad Spencer <brad (at) anduin.eldar.org>
      3  *
      4  * Permission to use, copy, modify, and distribute this software for any
      5  * purpose with or without fee is hereby granted, provided that the above
      6  * copyright notice and this permission notice appear in all copies.
      7  *
      8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
      9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     15  */
     16 
     17 #ifndef _DEV_I2C_AM2315VAR_H_
     18 #define _DEV_I2C_AM2315VAR_H_
     19 
     20 #include <sys/time.h>
     21 
     22 #define AM2315_NUM_SENSORS	2
     23 #define AM2315_HUMIDITY_SENSOR 0
     24 #define AM2315_TEMP_SENSOR 1
     25 
     26 struct am2315_sc {
     27 	int 		sc_am2315debug;
     28 	device_t 	sc_dev;
     29 	i2c_tag_t 	sc_tag;
     30 	i2c_addr_t 	sc_addr;
     31 	kmutex_t 	sc_mutex;
     32 	kmutex_t 	sc_waitmutex;
     33 	kcondvar_t 	sc_condwait;
     34 	int 		sc_numsensors;
     35 	struct sysmon_envsys *sc_sme;
     36 	envsys_data_t 	sc_sensors[AM2315_NUM_SENSORS];
     37 	struct sysctllog *sc_am2315log;
     38 	int 		sc_readcount;
     39 	int 		sc_readticks;
     40 };
     41 
     42 struct am2315_sensor {
     43 	const char     *desc;
     44 	enum envsys_units type;
     45 };
     46 
     47 #endif
     48