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63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
/*
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* Copyright (C) 2020 Puhang Ding
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* 2020 Jan Schlichter
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* 2020 Nishchay Agrawal
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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_scd30
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* @{
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* @file
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* @brief Internal constants, configuration commands for SCD30 sensor
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*
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* @author Puhang Ding <czarsir@gmail.com>
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* @author Jan Schlichter <schlichter@ibr.cs.tu-bs.de>
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* @author Nishchay Agrawal <f2016088@pilani.bits-pilani.ac.in>
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*/
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#ifndef SCD30_INTERNAL_H
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#define SCD30_INTERNAL_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 SCD30 CRC Function and start value for CRC
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* @{
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*/
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#define SCD30_CRC_FUNC 0x31 /**< CRC Function for CRC-8
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calculation and verification */
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#define SCD30_CRC_START_VAL 0xFF /**< Start value for CRC-8
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calculation */
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/** @} */
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/**
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* @name SCD30 Internal Constants
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* @{
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*/
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#define SCD30_DEF_PRESSURE 0x03f5 /**< Ambient Pressure:
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1013.25 mBar */
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#define SCD30_READ_WRITE_SLEEP_US (4 * US_PER_MS)
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#define SCD30_RESET_SLEEP_US (25 * US_PER_MS)
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#define SCD30_DATA_RDY_TIMEOUT (1 * US_PER_SEC)
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#define SCD30_MIN_INTERVAL 2
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#define SCD30_MAX_INTERVAL 1800
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#define SCD30_MIN_PRESSURE_COMP 700
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#define SCD30_MAX_PRESSURE_COMP 1400
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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#endif /* SCD30_INTERNAL_H */
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/** @} */
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