47 lines
1.6 KiB
C
47 lines
1.6 KiB
C
/* $NetBSD: si70xxreg.h,v 1.2 2017/12/29 02:20:47 christos Exp $ */
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/*
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* Copyright (c) 2017 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_SI70XXREG_H_
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#define _DEV_I2C_SI70XXREG_H_
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#define SI70XX_TYPICAL_ADDR 0x40
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#define SI70XX_MEASURE_RH_HOLD 0xE5
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#define SI70XX_MEASURE_RH_NOHOLD 0xF5
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#define SI70XX_MEASURE_TEMP_HOLD 0xE3
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#define SI70XX_MEASURE_TEMP_NOHOLD 0xF3
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#define SI70XX_READ_PREVIOUS_TEMP 0xE0
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#define SI70XX_RESET 0xFE
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#define SI70XX_WRITE_USER_REG_1 0xE6
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#define SI70XX_READ_USER_REG_1 0xE7
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#define SI70XX_WRITE_HEATER_REG 0x51
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#define SI70XX_READ_HEATER_REG 0x11
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#define SI70XX_READ_ID_PT1A 0xFA
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#define SI70XX_READ_ID_PT1B 0x0F
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#define SI70XX_READ_ID_PT2A 0xFC
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#define SI70XX_READ_ID_PT2B 0xC9
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#define SI70XX_READ_FW_VERA 0x84
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#define SI70XX_READ_FW_VERB 0xB8
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#define SI70XX_VDDS_MASK 0x40
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#define SI70XX_HTRE_MASK 0x04
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#define SI70XX_RESOLUTION_MASK 0x81
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#define SI70XX_HEATER_MASK 0x0F
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#endif
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