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2aad80eeb7
Introduce TYPE_ constant and cast macro. Move the state struct to the new header to allow for future embedding. Signed-off-by: Andreas Färber <andreas.faerber@web.de> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
63 lines
1.5 KiB
C
63 lines
1.5 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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#include "tmp105_regs.h"
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#define TYPE_TMP105 "tmp105"
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#define TMP105(obj) OBJECT_CHECK(TMP105State, (obj), TYPE_TMP105)
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/**
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* TMP105State:
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* @config: Bits 5 and 6 (value 32 and 64) determine the precision of the
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* temperature. See Table 8 in the data sheet.
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*
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* @see_also: http://www.ti.com/lit/gpn/tmp105
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*/
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typedef struct TMP105State {
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/*< private >*/
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I2CSlave i2c;
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/*< public >*/
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uint8_t len;
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uint8_t buf[2];
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qemu_irq pin;
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uint8_t pointer;
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uint8_t config;
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int16_t temperature;
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int16_t limit[2];
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int faults;
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uint8_t alarm;
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} TMP105State;
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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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