1 /* $NetBSD: aht20reg.h,v 1.1 2022/11/17 19:20:06 brad Exp $ */ 2 3 /* 4 * Copyright (c) 2022 Brad Spencer <brad@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