2915efbfa8
* Define enum for TMP105 registers * Move tmp105_set() from I2C to TMP105 header * Document units and range of temperature as preconditions Reviewed-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Alex Horn <alex.horn@cs.ox.ac.uk> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
68 lines
1.6 KiB
C
68 lines
1.6 KiB
C
/*
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* Texas Instruments TMP105 Temperature Sensor
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*
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* Browse the data sheet:
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*
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* http://www.ti.com/lit/gpn/tmp105
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*
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* Copyright (C) 2012 Alex Horn <alex.horn@cs.ox.ac.uk>
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* Copyright (C) 2008-2012 Andrzej Zaborowski <balrogg@gmail.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or
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* later. See the COPYING file in the top-level directory.
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*/
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#ifndef QEMU_TMP105_H
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#define QEMU_TMP105_H
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#include "i2c.h"
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/**
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* TMP105Reg:
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* @TMP105_REG_TEMPERATURE: Temperature register
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* @TMP105_REG_CONFIG: Configuration register
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* @TMP105_REG_T_LOW: Low temperature register (also known as T_hyst)
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* @TMP105_REG_T_HIGH: High temperature register (also known as T_OS)
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*
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* The following temperature sensors are
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* compatible with the TMP105 registers:
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* - adt75
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* - ds1775
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* - ds75
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* - lm75
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* - lm75a
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* - max6625
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* - max6626
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* - mcp980x
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* - stds75
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* - tcn75
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* - tmp100
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* - tmp101
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* - tmp105
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* - tmp175
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* - tmp275
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* - tmp75
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**/
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typedef enum TMP105Reg {
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TMP105_REG_TEMPERATURE = 0,
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TMP105_REG_CONFIG,
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TMP105_REG_T_LOW,
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TMP105_REG_T_HIGH,
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} TMP105Reg;
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/**
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* tmp105_set:
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* @i2c: dispatcher to TMP105 hardware model
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* @temp: temperature with 0.001 centigrades units in the range -40 C to +125 C
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*
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* Sets the temperature of the TMP105 hardware model.
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*
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* Bits 5 and 6 (value 32 and 64) in the register indexed by TMP105_REG_CONFIG
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* determine the precision of the temperature. See Table 8 in the data sheet.
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*
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* @see_also: I2C_SLAVE macro
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* @see_also: http://www.ti.com/lit/gpn/tmp105
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*/
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void tmp105_set(I2CSlave *i2c, int temp);
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#endif
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