ds18_internal.h

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/*
 * SPDX-FileCopyrightText: 2017 Frits Kuipers
 * SPDX-FileCopyrightText: 2018 HAW Hamburg
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once
 
#include "time_units.h"

 
#ifdef __cplusplus
extern "C" {
#endif

#define DS18_CMD_CONVERT            (0x44)
#define DS18_CMD_RSCRATCHPAD        (0xbe)
#define DS18_CMD_WRITESCRATCHPAD    (0x4e)
#define DS18_CMD_COPYSCRATCHPAD     (0x48)
#define DS18_CMD_RECALLE            (0xb8)
#define DS18_CMD_RPWRSPPLY          (0xb4)
#define DS18_CMD_SEARCHROM          (0xf0)
#define DS18_CMD_READROM            (0x33)
#define DS18_CMD_MATCHROM           (0x55)
#define DS18_CMD_SEARCHROM          (0xf0)
#define DS18_CMD_ALARMSEARCH        (0xec)
#define DS18_CMD_SKIPROM            (0xcc)

#define DS18_DELAY_RESET            (480U)
#define DS18_DELAY_PRESENCE         (60U)
#define DS18_DELAY_SLOT             (60U)
#define DS18_SAMPLE_TIME            (10U)
#define DS18_DELAY_CONVERT          (750U * US_PER_MS)
#define DS18_DELAY_RW_PULSE         (1U)
#define DS18_DELAY_R_RECOVER        (DS18_DELAY_SLOT - DS18_SAMPLE_TIME)
 
#ifdef __cplusplus
}
#endif