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