dtt.h
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/*
* (C) Copyright 2001
* Erik Theisen, Wave 7 Optics, etheisen@mindspring.com.
*
* SPDX-License-Identifier: GPL-2.0+
*/
/*
* Digital Thermometers and Thermostats.
*/
#ifndef _DTT_H_
#define _DTT_H_
#if defined(CONFIG_DTT_ADM1021) || \
defined(CONFIG_DTT_ADT7460) || \
defined(CONFIG_DTT_DS1621) || \
defined(CONFIG_DTT_DS1775) || \
defined(CONFIG_DTT_DS620) || \
defined(CONFIG_DTT_LM63) || \
defined(CONFIG_DTT_LM73) || \
defined(CONFIG_DTT_LM75) || \
defined(CONFIG_DTT_LM81)
#define CONFIG_DTT /* We have a DTT */
#ifndef CONFIG_DTT_ADM1021
#define DTT_COMMERCIAL_MAX_TEMP 70 /* 0 - +70 C */
#define DTT_INDUSTRIAL_MAX_TEMP 85 /* -40 - +85 C */
#define DTT_AUTOMOTIVE_MAX_TEMP 105 /* -40 - +105 C */
#ifndef CONFIG_SYS_DTT_MAX_TEMP
#define CONFIG_SYS_DTT_MAX_TEMP DTT_COMMERCIAL_MAX_TEMP
#endif
#ifndef CONFIG_SYS_DTT_HYSTERESIS
#define CONFIG_SYS_DTT_HYSTERESIS 5 /* 5 C */
#endif
#endif /* CONFIG_DTT_ADM1021 */
extern void dtt_init(void);
extern int dtt_init_one(int);
extern int dtt_read(int sensor, int reg);
extern int dtt_write(int sensor, int reg, int val);
extern int dtt_get_temp(int sensor);
#endif
#endif /* _DTT_H_ */