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65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
/*
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* Copyright (C) 2017 Frits Kuipers
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* 2018 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_ds18
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* @{
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*
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* @file
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* @brief Internal addresses, registers, constants for DS1822 and DS18B20 temperature sensors.
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*
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* @author Frits Kuipers <frits.kuipers@gmail.com>
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* @author Leandro Lanzieri <leandro.lanzieri@haw-hamburg.de>
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*/
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#ifndef DS18_INTERNAL_H
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#define DS18_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 ds18 commands
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* @{
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*/
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#define DS18_CMD_CONVERT (0x44)
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#define DS18_CMD_RSCRATCHPAD (0xbe)
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#define DS18_CMD_WRITESCRATCHPAD (0x4e)
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#define DS18_CMD_COPYSCRATCHPAD (0x48)
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#define DS18_CMD_RECALLE (0xb8)
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#define DS18_CMD_RPWRSPPLY (0xb4)
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#define DS18_CMD_SEARCHROM (0xf0)
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#define DS18_CMD_READROM (0x33)
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#define DS18_CMD_MATCHROM (0x55)
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#define DS18_CMD_SEARCHROM (0xf0)
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#define DS18_CMD_ALARMSEARCH (0xec)
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#define DS18_CMD_SKIPROM (0xcc)
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/** @} */
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/**
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* @name ds18 delays
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* @{
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*/
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#define DS18_DELAY_RESET (480U)
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#define DS18_DELAY_PRESENCE (60U)
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#define DS18_DELAY_SLOT (60U)
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#define DS18_SAMPLE_TIME (10U)
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#define DS18_DELAY_CONVERT (750U * US_PER_MS)
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#define DS18_DELAY_RW_PULSE (1U)
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#define DS18_DELAY_R_RECOVER (DS18_DELAY_SLOT - DS18_SAMPLE_TIME)
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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/** @} */
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#endif /* DS18_INTERNAL_H */
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