psp/battery.cpp

   1 /*
   2 Copyright (C) 2007 Peter Mackay and Chris Swindle.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20
  21 #include <psppower.h>
  22
  23 extern "C"
  24 {
  25 #include "../quakedef.h"
  26 }
  27
  28 #include "battery.hpp"
  29
  30 namespace quake
  31 {
  32         namespace battery
  33         {
  34                 // The previous battery level.
  35                 static int      lastLevel               = scePowerGetBatteryLifePercent();
  36                 static bool     lastCharging    = scePowerGetBatteryChargingStatus();
  37
  38                 void check()
  39                 {
  40                         // No battery?
  41                         if (!scePowerIsBatteryExist())
  42                         {
  43                                 // Don't report anything.
  44                                 return;
  45                         }
  46
  47                         // Get the new battery status.
  48                         const int       level           = scePowerGetBatteryLifePercent();
  49                         const bool      charging        = scePowerGetBatteryChargingStatus();
  50
  51                         // Is the level not sensible?
  52                         if ((level < 0) || (level > 100))
  53                         {
  54                                 // Hopefully it will be sensible soon.
  55                                 return;
  56                         }
  57
  58                         // Has the battery status changed?
  59                         if ((level != lastLevel) || (charging != lastCharging))
  60                         {
  61                                 // Charging?
  62                                 if (charging)
  63                                 {
  64                                         // Inform the player.
  65                                         Con_Printf("Battery %d%% (charging)\n",
  66                                                 level);
  67                                 }
  68                                 else
  69                                 {
  70                                         // How much time is left?
  71                                         const int       timeLeft        = scePowerGetBatteryLifeTime();
  72
  73                                         // Is the time sensible?
  74                                         if (timeLeft > 0)
  75                                         {
  76                                                 // Convert the time to something readable.
  77                                                 const int       hoursLeft       = timeLeft / 60;
  78                                                 const int       minutesLeft     = timeLeft % 60;
  79
  80                                                 // Inform the player.
  81                                                 Con_Printf("Battery %d%% (%d hour%s %d minute%s)\n",
  82                                                         level,
  83                                                         hoursLeft,
  84                                                         (hoursLeft == 1) ? "" : "s",    // Handle pluralisation of hour(s).
  85                                                         minutesLeft,
  86                                                         (minutesLeft == 1) ? "" : "s"); // Handle pluralisation of minute(s).
  87                                         }
  88                                         else
  89                                         {
  90                                                 // It's a silly time, just report the battery level.
  91                                                 Con_Printf("Battery %d%%\n",
  92                                                         level);
  93                                         }
  94                                 }
  95
  96                                 // Remember the status for next frame.
  97                                 lastLevel               = level;
  98                                 lastCharging    = charging;
  99                         }
 100                 }
 101         }
 102 }