com32/gpllib/dmi/dmi_battery.c

   1 /* ----------------------------------------------------------------------- *
   2  *
   3  *   Pportions of this file taken from the dmidecode project
   4  *
   5  *   Copyright (C) 2000-2002 Alan Cox <alan@redhat.com>
   6  *   Copyright (C) 2002-2008 Jean Delvare <khali@linux-fr.org>
   7  *
   8  *   This program is free software; you can redistribute it and/or modify
   9  *   it under the terms of the GNU General Public License as published by
  10  *   the Free Software Foundation; either version 2 of the License, or
  11  *   (at your option) any later version.
  12  *
  13  *   This program is distributed in the hope that it will be useful,
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *   GNU General Public License for more details.
  17  *
  18  *   You should have received a copy of the GNU General Public License
  19  *   along with this program; if not, write to the Free Software
  20  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  21  *
  22  *   For the avoidance of doubt the "preferred form" of this code is one which
  23  *   is in an open unpatent encumbered format. Where cryptographic key signing
  24  *   forms part of the process of creating an executable the information
  25  *   including keys needed to generate an equivalently functional executable
  26  *   are deemed to be part of the source code.
  27 */
  28
  29 #include <dmi/dmi.h>
  30 #include <stdio.h>
  31 const char *dmi_battery_chemistry(uint8_t code)
  32 {
  33     /* 3.3.23.1 */
  34     static const char *chemistry[] = {
  35         "Other",                /* 0x01 */
  36         "Unknown",
  37         "Lead Acid",
  38         "Nickel Cadmium",
  39         "Nickel Metal Hydride",
  40         "Lithium Ion",
  41         "Zinc Air",
  42         "Lithium Polymer"       /* 0x08 */
  43     };
  44
  45     if (code >= 0x01 && code <= 0x08)
  46         return chemistry[code - 0x01];
  47     return out_of_spec;
  48 }
  49
  50 void dmi_battery_capacity(uint16_t code, uint8_t multiplier, char *capacity)
  51 {
  52     if (code == 0)
  53         sprintf(capacity, "%s", "Unknown");
  54     else
  55         sprintf(capacity, "%u mWh", code * multiplier);
  56 }
  57
  58 void dmi_battery_voltage(uint16_t code, char *voltage)
  59 {
  60     if (code == 0)
  61         sprintf(voltage, "%s", "Unknown");
  62     else
  63         sprintf(voltage, "%u mV", code);
  64 }
  65
  66 void dmi_battery_maximum_error(uint8_t code, char *error)
  67 {
  68     if (code == 0xFF)
  69         sprintf(error, "%s", "Unknown");
  70     else
  71         sprintf(error, "%u%%", code);
  72 }