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https://github.com/RIOT-OS/RIOT.git
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154 lines
3.9 KiB
C
154 lines
3.9 KiB
C
/*
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* Copyright (C) 2017 HAW Hamburg
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup drivers_hts221
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*
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* @{
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* @file
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* @brief Register definitions for ST HTS221 devices
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*
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* @author Sebastian Meiling <s@mlng.net>
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*/
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#ifndef HTS221_REGS_H
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#define HTS221_REGS_H
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#include "board.h"
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#include "hts221.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define HTS221_DEVICE_ID (0xBC)
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/**
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* @name Register Map
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* @{
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*/
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#define HTS221_REGS_WHO_AM_I (0x0F)
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#define HTS221_REGS_AV_CONF (0x10)
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#define HTS221_REGS_CTRL_REG1 (0x20)
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#define HTS221_REGS_CTRL_REG2 (0x21)
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#define HTS221_REGS_CTRL_REG3 (0x22) /**< data ready output signal */
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#define HTS221_REGS_STATUS_REG (0x27)
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#define HTS221_REGS_HUMIDITY_OUT_L (0x28)
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#define HTS221_REGS_HUMIDITY_OUT_H (0x29)
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#define HTS221_REGS_TEMP_OUT_L (0x2A)
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#define HTS221_REGS_TEMP_OUT_H (0x2B)
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/** @} */
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/**
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* @name Calibration Register Map
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* @{
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*/
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#define HTS221_REGS_H0_RH_X2 (0x30)
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#define HTS221_REGS_H1_RH_X2 (0x31)
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#define HTS221_REGS_T0_DEGC_X8 (0x32)
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#define HTS221_REGS_T1_DEGC_X8 (0x33)
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#define HTS221_REGS_T1_T0_MSB (0x35)
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#define HTS221_REGS_H0_T0_OUT_L (0x36)
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#define HTS221_REGS_H0_T0_OUT_H (0x37)
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#define HTS221_REGS_H1_T0_OUT_L (0x3A)
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#define HTS221_REGS_H1_T0_OUT_H (0x3B)
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#define HTS221_REGS_T0_OUT_L (0x3C)
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#define HTS221_REGS_T0_OUT_H (0x3D)
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#define HTS221_REGS_T1_OUT_L (0x3E)
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#define HTS221_REGS_T1_OUT_H (0x3F)
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/** @} */
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/**
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* @brief Shift for AVG oftemperature configuration set in HTS221_REGS_AV_CONF
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*
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* Register HTS221_REGS_AV_CONF= [7:6] reserved, [5:3] AVGT2-0, [2:0] AVGH2-0
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*/
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#define HTS221_REGS_AVGT_SHIFT (3U)
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/**
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* @name Humidity average over number of samples 4 to 512
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* @{
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*/
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enum {
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HTS221_REGS_AVGH_4 = 0,
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HTS221_REGS_AVGH_8,
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HTS221_REGS_AVGH_16,
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HTS221_REGS_AVGH_32,
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HTS221_REGS_AVGH_64,
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HTS221_REGS_AVGH_128,
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HTS221_REGS_AVGH_256,
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HTS221_REGS_AVGH_512
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};
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/** @} */
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/**
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* @name Temperature average over number of samples 2 to 256
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* @{
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*/
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enum {
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HTS221_REGS_AVGT_2 = 0,
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HTS221_REGS_AVGT_4,
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HTS221_REGS_AVGT_8,
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HTS221_REGS_AVGT_16,
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HTS221_REGS_AVGT_32,
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HTS221_REGS_AVGT_64,
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HTS221_REGS_AVGT_128,
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HTS221_REGS_AVGT_256
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};
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/** @} */
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/**
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* @name Config bits of HTS221_REGS_CTRL_REG1
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* @{
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*/
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#define HTS221_REGS_CTRL_REG1_PD_ACTIVE (1 << 7) /**< power-down control, set active mode */
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#define HTS221_REGS_CTRL_REG1_BDU (1 << 2) /**< Block data update */
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/** @} */
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/**
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* @brief Output data rate settings, HTS221_REGS_CTRL_REG1[1:0]
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*/
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enum {
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HTS221_REGS_CTRL_REG1_ODR_ONE_SHOT = 0,
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HTS221_REGS_CTRL_REG1_ODR_1HZ,
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HTS221_REGS_CTRL_REG1_ODR_7HZ,
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HTS221_REGS_CTRL_REG1_ODR_12HZ
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};
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/**
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* @name Config bits of HTS221_REGS_CTRL_REG2
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* @{
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*/
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#define HTS221_REGS_CTRL_REG2_BOOT (1 << 7) /**< Reboot memory content */
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#define HTS221_REGS_CTRL_REG2_HEATER (1 << 1) /**< Heater ON */
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#define HTS221_REGS_CTRL_REG2_OS_EN (1 << 0) /**< One-shot enable, start new dataset */
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/** @} */
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/**
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* @name Data ready config bits of HTS221_REGS_CTRL_REG3
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* @{
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*/
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#define HTS221_REGS_CTRL_REG3_DRDY_HL (1 << 7) /**< Data Ready output signal active high, low */
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#define HTS221_REGS_CTRL_REG3_PP_OD (1 << 6) /**< Push-pull / Open Drain selection on pin 3 */
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#define HTS221_REGS_CTRL_REG3_DRDY_EN (1 << 2) /**< Data Ready enable */
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/** @} */
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/**
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* @name Status bits to check data availability, HTS221_REGS_STATUS_REG[1:0]
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* @{
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*/
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#define HTS221_REGS_STATUS_REG_TDA (1 << 0) /**< temperature data available */
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#define HTS221_REGS_STATUS_REG_HDA (1 << 1) /**< humidity data available */
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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#endif /* HTS221_REGS_H */
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/** @} */
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