hw/tmp105.h

   1 /*
   2  * Texas Instruments TMP105 Temperature Sensor
   3  *
   4  * Browse the data sheet:
   5  *
   6  *    http://www.ti.com/lit/gpn/tmp105
   7  *
   8  * Copyright (C) 2012 Alex Horn <alex.horn@cs.ox.ac.uk>
   9  * Copyright (C) 2008-2012 Andrzej Zaborowski <balrogg@gmail.com>
  10  *
  11  * This work is licensed under the terms of the GNU GPL, version 2 or
  12  * later. See the COPYING file in the top-level directory.
  13  */
  14 #ifndef QEMU_TMP105_H
  15 #define QEMU_TMP105_H
  16
  17 #include "i2c.h"
  18
  19 /**
  20  * TMP105Reg:
  21  * @TMP105_REG_TEMPERATURE: Temperature register
  22  * @TMP105_REG_CONFIG: Configuration register
  23  * @TMP105_REG_T_LOW: Low temperature register (also known as T_hyst)
  24  * @TMP105_REG_T_HIGH: High temperature register (also known as T_OS)
  25  *
  26  * The following temperature sensors are
  27  * compatible with the TMP105 registers:
  28  * - adt75
  29  * - ds1775
  30  * - ds75
  31  * - lm75
  32  * - lm75a
  33  * - max6625
  34  * - max6626
  35  * - mcp980x
  36  * - stds75
  37  * - tcn75
  38  * - tmp100
  39  * - tmp101
  40  * - tmp105
  41  * - tmp175
  42  * - tmp275
  43  * - tmp75
  44  **/
  45 typedef enum TMP105Reg {
  46     TMP105_REG_TEMPERATURE = 0,
  47     TMP105_REG_CONFIG,
  48     TMP105_REG_T_LOW,
  49     TMP105_REG_T_HIGH,
  50 } TMP105Reg;
  51
  52 /**
  53  * tmp105_set:
  54  * @i2c: dispatcher to TMP105 hardware model
  55  * @temp: temperature with 0.001 centigrades units in the range -40 C to +125 C
  56  *
  57  * Sets the temperature of the TMP105 hardware model.
  58  *
  59  * Bits 5 and 6 (value 32 and 64) in the register indexed by TMP105_REG_CONFIG
  60  * determine the precision of the temperature. See Table 8 in the data sheet.
  61  *
  62  * @see_also: I2C_SLAVE macro
  63  * @see_also: http://www.ti.com/lit/gpn/tmp105
  64  */
  65 void tmp105_set(I2CSlave *i2c, int temp);
  66
  67 #endif