/*      $NetBSD: bmx280reg.h,v 1.1 2022/12/03 01:04:43 brad Exp $       */

/*
* Copyright (c) 2022 Brad Spencer <[email protected]>
*
* 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_IC_BMX280REG_H_
#define _DEV_IC_BMX280REG_H_

#define BMX280_TYPICAL_ADDR_1   0x76
#define BMX280_TYPICAL_ADDR_2   0x77

#define BMX280_REGISTER_DIG_T1          0x88
#define BMX280_REGISTER_DIG_T2          0x8A
#define BMX280_REGISTER_DIG_T3          0x8C
#define BMX280_REGISTER_DIG_P1          0x8E
#define BMX280_REGISTER_DIG_P2          0x90
#define BMX280_REGISTER_DIG_P3          0x92
#define BMX280_REGISTER_DIG_P4          0x94
#define BMX280_REGISTER_DIG_P5          0x96
#define BMX280_REGISTER_DIG_P6          0x98
#define BMX280_REGISTER_DIG_P7          0x9A
#define BMX280_REGISTER_DIG_P8          0x9C
#define BMX280_REGISTER_DIG_P9          0x9E
#define BMX280_REGISTER_DIG_H1          0xA1
#define BMX280_REGISTER_DIG_H2          0xE1
#define BMX280_REGISTER_DIG_H3          0xE3
#define BMX280_REGISTER_DIG_H4          0xE4
#define BMX280_REGISTER_DIG_H5          0xE5

#define BMX280_REGISTER_ID              0xD0
#define BMX280_ID_BMP280                0x58
#define BMX280_ID_BME280                0x60

#define BMX280_REGISTER_RESET           0xE0
#define BMX280_TRIGGER_RESET            0xB6

#define BMX280_REGISTER_CTRL_HUM        0xF2

#define BMX280_REGISTER_STATUS          0xF3
#define BMX280_STATUS_MEASURING_MASK    0x08
#define BMX280_STATUS_IM_UPDATE_MASK    0x01

#define BMX280_REGISTER_CTRL_MEAS       0xF4
#define BMX280_CTRL_OSRS_T_MASK         0xE0
#define BMX280_CTRL_OSRS_P_MASK         0x1C
#define BMX280_CTRL_OSRS_T_SHIFT        5
#define BMX280_CTRL_OSRS_P_SHIFT        2
#define BMX280_OSRS_TP_VALUE_SKIPPED    0x00
#define BMX280_OSRS_TP_VALUE_X1         0x01
#define BMX280_OSRS_TP_VALUE_X2         0x02
#define BMX280_OSRS_TP_VALUE_X4         0x03
#define BMX280_OSRS_TP_VALUE_X8         0x04
#define BMX280_OSRS_TP_VALUE_X16        0x05
#define BMX280_CTRL_MODE_MASK           0x03
#define BMX280_MODE_SLEEP               0x00
#define BMX280_MODE_FORCED              0x01
#define BMX280_MODE_NORMAL              0x03

#define BMX280_REGISTER_CONFIG          0xF5
#define BMX280_CONFIG_T_SB_MASK         0xE0
#define BMX280_CONFIG_FILTER_MASK       0x1C
#define BMX280_CONFIG_FILTER_SHIFT      2
#define BMX280_FILTER_VALUE_OFF         0x00
#define BMX280_FILTER_VALUE_2           0x01
#define BMX280_FILTER_VALUE_5           0x02
#define BMX280_FILTER_VALUE_11          0x04
#define BMX280_FILTER_VALUE_22          0x05
#define BMX280_CONFIG_SPI3W_EN_MASK     0x01

#define BMX280_REGISTER_PRESS_MSB       0xF7
#define BMX280_REGISTER_PRESS_LSB       0xF8
#define BMX280_REGISTER_PRESS_XLSB      0xF9

#define BMX280_REGISTER_TEMP_MSB        0xFA
#define BMX280_REGISTER_TEMP_LSB        0xFB
#define BMX280_REGISTER_TEMP_XLSB       0xFC

#define BMX280_TEMPPRES_XLSB_MASK       0xF0

#define BMX280_REGISTER_HUM_MSB         0xFD
#define BMX280_REGISTER_HUM_LSB         0xFE

#endif

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