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82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
/*
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* Copyright (C) 2018 Gunar Schorcht
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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_ccs811
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* @brief Register definitions for the AMS CCS811 digital gas sensor
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* @author Gunar Schorcht <gunar@schorcht.net>
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* @file
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* @{
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*/
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#ifndef CCS811_REGS_H
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#define CCS811_REGS_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @name CCS811 register addresses
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* @{
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*/
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#define CCS811_REG_STATUS (0x00)
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#define CCS811_REG_MEAS_MODE (0x01)
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#define CCS811_REG_ALG_RESULT_DATA (0x02)
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#define CCS811_REG_RAW_DATA (0x03)
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#define CCS811_REG_ENV_DATA (0x05)
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#define CCS811_REG_NTC (0x06)
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#define CCS811_REG_THRESHOLDS (0x10)
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#define CCS811_REG_BASELINE (0x11)
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#define CCS811_REG_HW_ID (0x20)
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#define CCS811_REG_HW_VER (0x21)
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#define CCS811_REG_FW_BOOT_VER (0x23)
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#define CCS811_REG_FW_APP_VER (0x24)
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#define CCS811_REG_ERROR_ID (0xe0)
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#define CCS811_REG_APP_ERASE (0xf1)
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#define CCS811_REG_APP_DATA (0xf2)
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#define CCS811_REG_APP_VERIFY (0xf3)
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#define CCS811_REG_APP_START (0xf4)
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#define CCS811_REG_SW_RESET (0xff)
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/** @} */
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/**
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* @name Status register bits (#CCS811_REG_STATUS)
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* @{
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*/
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#define CCS811_STATUS_ERROR (0x01) /**< error occurred, details in CCS811_REG_ERROR */
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#define CCS811_STATUS_DATA_RDY (0x08) /**< new data sample available in ALG_RESULT_DATA */
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#define CCS811_STATUS_APP_VALID (0x10) /**< valid application firmware loaded */
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#define CCS811_STATUS_FW_MODE (0x80) /**< firmware is in application mode */
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/** @} */
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/**
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* @name Error register bits (#CCS811_REG_ERROR_ID)
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* @{
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*/
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#define CCS811_ERR_WRITE_REG_INV (0x01) /**< invalid register address on write */
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#define CCS811_ERR_READ_REG_INV (0x02) /**< invalid register address on read */
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#define CCS811_ERR_MEASMODE_INV (0x04) /**< invalid requested measurement mode */
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#define CCS811_ERR_MAX_RESISTANCE (0x08) /**< maximum sensor resistance exceeded */
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#define CCS811_ERR_HEATER_FAULT (0x10) /**< heater current not in range */
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#define CCS811_ERR_HEATER_SUPPLY (0x20) /**< heater voltage not applied correctly */
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/** @} */
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/** CCS811 hardware ID */
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#define CCS811_HW_ID (0x81)
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#ifdef __cplusplus
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}
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#endif
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#endif /* CCS811_REGS_H */
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/** @} */
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