51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/* $NetBSD: aht20var.h,v 1.1 2022/11/17 19:20:06 brad Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2022 Brad Spencer <brad@anduin.eldar.org>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#ifndef _DEV_I2C_AHT20VAR_H_
|
|
#define _DEV_I2C_AHT20VAR_H_
|
|
|
|
#define AHT20_NUM_SENSORS 2
|
|
#define AHT20_HUMIDITY_SENSOR 0
|
|
#define AHT20_TEMP_SENSOR 1
|
|
|
|
struct aht20_sc {
|
|
int sc_aht20debug;
|
|
device_t sc_dev;
|
|
i2c_tag_t sc_tag;
|
|
i2c_addr_t sc_addr;
|
|
kmutex_t sc_mutex;
|
|
int sc_numsensors;
|
|
struct sysmon_envsys *sc_sme;
|
|
struct sysctllog *sc_aht20log;
|
|
envsys_data_t sc_sensors[AHT20_NUM_SENSORS];
|
|
bool sc_ignorecrc;
|
|
int sc_readattempts;
|
|
};
|
|
|
|
struct aht20_sensor {
|
|
const char *desc;
|
|
enum envsys_units type;
|
|
};
|
|
|
|
struct aht20_timing {
|
|
uint8_t cmd;
|
|
int typicaldelay;
|
|
};
|
|
|
|
#endif
|