38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
/* $NetBSD: aht20reg.h,v 1.1 2022/11/17 19:20:06 brad Exp $ */
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/*
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* Copyright (c) 2022 Brad Spencer <brad@anduin.eldar.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _DEV_I2C_AHT20REG_H_
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#define _DEV_I2C_AHT20REG_H_
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#define AHT20_TYPICAL_ADDR 0x38
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#define AHT20_INITIALIZE 0xBE
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#define AHT20_INITIALIZE_PARAM1 0x08
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#define AHT20_INITIALIZE_PARAM2 0x00
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#define AHT20_TRIGGER_MEASUREMENT 0xAC
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#define AHT20_TRIGGER_PARAM1 0x33
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#define AHT20_TRIGGER_PARAM2 0x00
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#define AHT20_GET_STATUS 0x71
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#define AHT20_STATUS_BUSY_MASK 0x80
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#define AHT20_STATUS_CAL_MASK 0x08
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#define AHT20_SOFT_RESET 0xBA
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#endif
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