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/*
* Texas Instruments TMP105 Temperature Sensor
*
* Browse the data sheet:
*
* http://www.ti.com/lit/gpn/tmp105
*
* Copyright (C) 2012 Alex Horn <alex.horn@cs.ox.ac.uk>
* Copyright (C) 2008-2012 Andrzej Zaborowski <balrogg@gmail.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or
* later. See the COPYING file in the top-level directory.
*/
#ifndef QEMU_TMP105_H
#define QEMU_TMP105_H
#include "hw/i2c/i2c.h"
#include "hw/misc/tmp105_regs.h"
#include "qom/object.h"
#define TYPE_TMP105 "tmp105"
OBJECT_DECLARE_SIMPLE_TYPE(TMP105State, TMP105)
/**
* TMP105State:
* @config: Bits 5 and 6 (value 32 and 64) determine the precision of the
* temperature. See Table 8 in the data sheet.
*
* @see_also: http://www.ti.com/lit/gpn/tmp105
*/
struct TMP105State {
/*< private >*/
I2CSlave i2c;
/*< public >*/
uint8_t len;
uint8_t buf[2];
qemu_irq pin;
uint8_t pointer;
uint8_t config;
int16_t temperature;
int16_t limit[2];
int faults;
uint8_t alarm;
/*
* The TMP105 initially looks for a temperature rising above T_high;
* once this is detected, the condition it looks for next is the
* temperature falling below T_low. This flag is false when initially
* looking for T_high, true when looking for T_low.
*/
bool detect_falling;
};
#endif
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