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      1 /*	$NetBSD: aht20reg.h,v 1.1 2022/11/17 19:20:06 brad Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2022 Brad Spencer <brad (at) anduin.eldar.org>
      5  *
      6  * Permission to use, copy, modify, and distribute this software for any
      7  * purpose with or without fee is hereby granted, provided that the above
      8  * copyright notice and this permission notice appear in all copies.
      9  *
     10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
     11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     17  */
     18 
     19 #ifndef _DEV_I2C_AHT20REG_H_
     20 #define _DEV_I2C_AHT20REG_H_
     21 
     22 #define AHT20_TYPICAL_ADDR		0x38
     23 
     24 #define AHT20_INITIALIZE		0xBE
     25 #define AHT20_INITIALIZE_PARAM1		0x08
     26 #define AHT20_INITIALIZE_PARAM2		0x00
     27 
     28 #define AHT20_TRIGGER_MEASUREMENT	0xAC
     29 #define AHT20_TRIGGER_PARAM1		0x33
     30 #define AHT20_TRIGGER_PARAM2		0x00
     31 
     32 #define AHT20_GET_STATUS		0x71
     33 #define AHT20_STATUS_BUSY_MASK		0x80
     34 #define AHT20_STATUS_CAL_MASK		0x08
     35 #define AHT20_SOFT_RESET		0xBA
     36 
     37 #endif
     38