qemu-e2k/hw/tmp105.h

68 lines
1.6 KiB
C
Raw Normal View History

/*
* 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 "i2c.h"
/**
* TMP105Reg:
* @TMP105_REG_TEMPERATURE: Temperature register
* @TMP105_REG_CONFIG: Configuration register
* @TMP105_REG_T_LOW: Low temperature register (also known as T_hyst)
* @TMP105_REG_T_HIGH: High temperature register (also known as T_OS)
*
* The following temperature sensors are
* compatible with the TMP105 registers:
* - adt75
* - ds1775
* - ds75
* - lm75
* - lm75a
* - max6625
* - max6626
* - mcp980x
* - stds75
* - tcn75
* - tmp100
* - tmp101
* - tmp105
* - tmp175
* - tmp275
* - tmp75
**/
typedef enum TMP105Reg {
TMP105_REG_TEMPERATURE = 0,
TMP105_REG_CONFIG,
TMP105_REG_T_LOW,
TMP105_REG_T_HIGH,
} TMP105Reg;
/**
* tmp105_set:
* @i2c: dispatcher to TMP105 hardware model
* @temp: temperature with 0.001 centigrades units in the range -40 C to +125 C
*
* Sets the temperature of the TMP105 hardware model.
*
* Bits 5 and 6 (value 32 and 64) in the register indexed by TMP105_REG_CONFIG
* determine the precision of the temperature. See Table 8 in the data sheet.
*
* @see_also: I2C_SLAVE macro
* @see_also: http://www.ti.com/lit/gpn/tmp105
*/
void tmp105_set(I2CSlave *i2c, int temp);
#endif