1 /* $NetBSD: si70xxreg.h,v 1.2 2017/12/29 02:20:47 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2017 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_SI70XXREG_H_ 20 #define _DEV_I2C_SI70XXREG_H_ 21 22 #define SI70XX_TYPICAL_ADDR 0x40 23 24 #define SI70XX_MEASURE_RH_HOLD 0xE5 25 #define SI70XX_MEASURE_RH_NOHOLD 0xF5 26 #define SI70XX_MEASURE_TEMP_HOLD 0xE3 27 #define SI70XX_MEASURE_TEMP_NOHOLD 0xF3 28 #define SI70XX_READ_PREVIOUS_TEMP 0xE0 29 #define SI70XX_RESET 0xFE 30 #define SI70XX_WRITE_USER_REG_1 0xE6 31 #define SI70XX_READ_USER_REG_1 0xE7 32 #define SI70XX_WRITE_HEATER_REG 0x51 33 #define SI70XX_READ_HEATER_REG 0x11 34 #define SI70XX_READ_ID_PT1A 0xFA 35 #define SI70XX_READ_ID_PT1B 0x0F 36 #define SI70XX_READ_ID_PT2A 0xFC 37 #define SI70XX_READ_ID_PT2B 0xC9 38 #define SI70XX_READ_FW_VERA 0x84 39 #define SI70XX_READ_FW_VERB 0xB8 40 41 #define SI70XX_VDDS_MASK 0x40 42 #define SI70XX_HTRE_MASK 0x04 43 #define SI70XX_RESOLUTION_MASK 0x81 44 #define SI70XX_HEATER_MASK 0x0F 45 46 #endif 47
Indexes created Sun Sep 21 14:09:52 GMT 2025