apps/plugins/lamp.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _// __ \_/ ___\|  |/ /| __ \ / __ \  \/  /
   5  *   Jukebox    |    |   ( (__) )  \___|    ( | \_\ ( (__) )    (
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2007 Vuong Minh Hiep (vmh)
  11  * Copyright (C) 2008 Thomas Martitz (kugel.)
  12  * Copyright (C) 2008 Alexander Papst
  13  * Copyright (C) 2008 Peter D'Hoye
  14  *
  15  * This program is free software; you can redistribute it and/or
  16  * modify it under the terms of the GNU General Public License
  17  * as published by the Free Software Foundation; either version 2
  18  * of the License, or (at your option) any later version.
  19  *
  20  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  21  * KIND, either express or implied.
  22  *
  23  ****************************************************************************/
  24
  25 #include "plugin.h"
  26 #include "lib/helper.h"
  27 #include "lib/pluginlib_actions.h"
  28
  29 /* this set the context to use with PLA */
  30 static const struct button_mapping *plugin_contexts[] = { pla_main_ctx };
  31
  32 /* variable button definitions.
  33  - only targets with a colour display
  34     LAMP_LEFT / LAMP_RIGHT: change the color
  35     LAMP_NEXT / LAMP_PREV:  (optional) change the color
  36  - only targets which can set brightness
  37     LAMP_UP / LAMP_DOWN:    change the brightness
  38 */
  39
  40 /* we use PLA */
  41 #ifdef HAVE_SCROLLWHEEL
  42 #   define LAMP_LEFT              PLA_LEFT
  43 #   define LAMP_RIGHT             PLA_RIGHT
  44 #   define LAMP_UP                PLA_SCROLL_FWD
  45 #   define LAMP_DOWN              PLA_SCROLL_BACK
  46 #   define LAMP_UP_REPEAT         PLA_SCROLL_FWD_REPEAT
  47 #   define LAMP_DOWN_REPEAT       PLA_SCROLL_BACK_REPEAT
  48 #else
  49 #   define LAMP_LEFT              PLA_LEFT
  50 #   define LAMP_RIGHT             PLA_RIGHT
  51 #   define LAMP_UP                PLA_UP
  52 #   define LAMP_DOWN              PLA_DOWN
  53 #   define LAMP_UP_REPEAT         PLA_UP_REPEAT
  54 #   define LAMP_DOWN_REPEAT       PLA_DOWN_REPEAT
  55 #endif/* HAVE_SCROLLWHEEL */
  56
  57
  58 #define LAMP_EXIT        PLA_EXIT
  59 #define LAMP_EXIT2       PLA_CANCEL
  60
  61
  62 #ifdef HAVE_LCD_COLOR
  63 /* RGB color sets */
  64 #define NUM_COLORSETS   2
  65 static unsigned colorset[NUM_COLORSETS] = {
  66     LCD_RGBPACK(255, 255, 255),    /* white */
  67     LCD_RGBPACK(255,   0,   0),    /* red */
  68 };
  69 #endif /* HAVE_LCD_COLOR */
  70
  71 /* this is the plugin entry point */
  72 enum plugin_status plugin_start(const void* parameter)
  73 {
  74     enum plugin_status status = PLUGIN_OK;
  75     long button;
  76     bool quit = false;
  77     (void)parameter;
  78
  79 #ifdef HAVE_LCD_COLOR
  80     int cs = 0;
  81     bool update = false;
  82 #endif /* HAVE_LCD_COLOR */
  83
  84 #if LCD_DEPTH > 1
  85     unsigned bg_color = rb->lcd_get_background();
  86     rb->lcd_set_backdrop(NULL);
  87     rb->lcd_set_background(LCD_WHITE);
  88 #endif
  89
  90 #ifdef HAVE_BACKLIGHT_BRIGHTNESS
  91     int current_brightness = MAX_BRIGHTNESS_SETTING;
  92     backlight_brightness_set(MAX_BRIGHTNESS_SETTING);
  93 #endif /* HAVE_BACKLIGHT_BRIGHTNESS */
  94 #ifdef HAVE_BUTTONLIGHT_BRIGHTNESS
  95     buttonlight_brightness_set(MAX_BRIGHTNESS_SETTING);
  96 #endif /* HAVE_BUTTONLIGHT_BRIGHTNESS */
  97
  98 #ifdef HAVE_LCD_INVERT
  99 #ifdef HAVE_NEGATIVE_LCD
 100     rb->lcd_set_invert_display(true);
 101 #else
 102     rb->lcd_set_invert_display(false);
 103 #endif /* HAVE_NEGATIVE_LCD */
 104 #endif /* HAVE_LCD_INVERT */
 105
 106     backlight_force_on();
 107 #ifdef HAVE_BUTTON_LIGHT
 108     buttonlight_force_on();
 109 #endif /* HAVE_BUTTON_LIGHT */
 110
 111     rb->lcd_clear_display();
 112     rb->lcd_update();
 113
 114     do
 115     {
 116 #ifdef HAVE_LCD_COLOR
 117         if(update)
 118         {
 119             if(cs < 0)
 120                 cs = NUM_COLORSETS-1;
 121             if(cs >= NUM_COLORSETS)
 122                 cs = 0;
 123             rb->lcd_set_background(colorset[cs]);
 124             rb->lcd_clear_display();
 125             rb->lcd_update();
 126             update = false;
 127         }
 128 #endif /* HAVE_LCD_COLOR */
 129         button = pluginlib_getaction(HZ*30, plugin_contexts,
 130                                ARRAYLEN(plugin_contexts));
 131
 132         switch(button)
 133         {
 134 #ifdef HAVE_LCD_COLOR
 135             case LAMP_RIGHT:
 136 #ifdef LAMP_NEXT
 137             case LAMP_NEXT:
 138 #endif /* LAMP_NEXT */
 139                 cs++;
 140                 update = true;
 141                 break;
 142
 143             case LAMP_LEFT:
 144 #ifdef LAMP_PREV
 145             case LAMP_PREV:
 146 #endif /* LAMP_PREV */
 147                 cs--;
 148                 update = true;
 149                 break;
 150 #endif /* HAVE_LCD_COLOR */
 151
 152 #ifdef HAVE_BACKLIGHT_BRIGHTNESS
 153             case LAMP_UP:
 154             case (LAMP_UP_REPEAT):
 155                 if (current_brightness < MAX_BRIGHTNESS_SETTING)
 156                     backlight_brightness_set(++current_brightness);
 157                 break;
 158
 159             case LAMP_DOWN:
 160             case (LAMP_DOWN_REPEAT):
 161                 if (current_brightness > MIN_BRIGHTNESS_SETTING)
 162                     backlight_brightness_set(--current_brightness);
 163                 break;
 164 #endif /* HAVE_BACKLIGHT_BRIGHTNESS */
 165             case LAMP_EXIT:
 166             case LAMP_EXIT2:
 167                 quit = true;
 168                 break;
 169             case BUTTON_NONE:
 170                 /* time out */
 171                 break;
 172             default:
 173                 if(rb->default_event_handler(button) == SYS_USB_CONNECTED)
 174                 {
 175                     status = PLUGIN_USB_CONNECTED;
 176                     quit = true;
 177                 }
 178         }
 179         rb->reset_poweroff_timer();
 180     } while (!quit);
 181
 182     /* restore */
 183     backlight_use_settings();
 184 #ifdef HAVE_BUTTON_LIGHT
 185     buttonlight_use_settings();
 186 #endif /* HAVE_BUTTON_LIGHT */
 187
 188 #ifdef HAVE_LCD_INVERT
 189     rb->lcd_set_invert_display(rb->global_settings->invert);
 190 #endif /* HAVE_LCD_INVERT */
 191
 192 #ifdef HAVE_BACKLIGHT_BRIGHTNESS
 193     backlight_brightness_use_setting();
 194 #endif /* HAVE_BACKLIGHT_BRIGHTNESS */
 195 #ifdef HAVE_BUTTONLIGHT_BRIGHTNESS
 196     buttonlight_brightness_use_setting();
 197 #endif /* HAVE_BUTTONLIGHT_BRIGHTNESS */
 198
 199 #if LCD_DEPTH > 1
 200     rb->lcd_set_background(bg_color);
 201 #endif
 202     return status;
 203 }