ui/oswald_main.c

   1 #include "oswald.h"
   2 #include "oswald_watch_faces.h"
   3 #include "oswald_screens.h"
   4 #if 0
   5 #include "Fonts.h"
   6 #include "LcdDisplay.h"
   7 #endif
   8 #include "oswald_main.h"
   9
  10 /*
  11  * some variable defining our curent state
  12  * these are globals in order to avoid having to pass pointers
  13  * through function calls thus saving stack space
  14  */
  15 clock_state OswaldClk;
  16 watch_state OswaldState;
  17 watch_screen OswaldScreens[LAST_SCREEN];
  18
  19
  20 void oswald_change_to_screen(screen_number screen_id)
  21 {
  22         // we spare the update if no change happened
  23         if (OswaldState.screen_id != screen_id) {
  24                 OswaldState.screen_id = screen_id;
  25                 if ((OswaldState.screen->event_func != NULL) &&
  26                     (OswaldState.screen->event_mask & EVENT_SCREEN_VISIBLE))
  27                                 OswaldState.screen->event_func(EVENT_SCREEN_VISIBLE, NULL);
  28         }
  29 }
  30
  31 void oswald_set_time(u8t hour, u8t minute, u8t second)
  32 {
  33         OswaldClk.hour = hour;
  34         OswaldClk.minute = minute;
  35         OswaldClk.second = second;
  36 }
  37
  38 static void update_clock_state (void)
  39 {
  40         OswaldClk.second += 1;
  41         if (OswaldClk.second > 59) {
  42                 OswaldClk.second = 0;
  43                 OswaldClk.minute += 1;
  44         } else
  45                 return;
  46         if (OswaldClk.minute > 59) {
  47                 OswaldClk.minute = 0;
  48                 OswaldClk.hour += 1;
  49         } else
  50                 return;
  51         if (OswaldClk.hour > 23) {
  52                 OswaldClk.hour = 0;
  53                 // day++
  54         } else
  55                 return;
  56 }
  57
  58 void oswald_one_second_tick(void)
  59 {
  60         /* update our 'RTC' */
  61         update_clock_state();
  62
  63         /* wake-up screen if interested in the one-second-event */
  64         if (OswaldState.screen->event_func != NULL &&
  65             (OswaldState.screen->event_mask & EVENT_ONE_SEC_TIMER))
  66                 OswaldState.screen->event_func(EVENT_ONE_SEC_TIMER, NULL);
  67         // oswald_update_screen();
  68 }
  69
  70 void oswald_handle_button_press(watch_button button)
  71 {
  72         switch (button) {
  73                 case BUTTON_A:
  74                 case BUTTON_B:
  75                 case BUTTON_D:
  76                 case BUTTON_E:
  77                         if (OswaldState.screen->event_func != NULL &&
  78                             (OswaldState.screen->event_mask & EVENT_USER_BUTTONS))
  79                                 OswaldState.screen->event_func(EVENT_USER_BUTTONS, &button);
  80                         break;
  81                 case BUTTON_C:
  82                         // next screen
  83                         OswaldState.screen_id++;
  84                         if (OswaldState.screen_id >= LAST_SCREEN) {
  85                                 OswaldState.screen_id = IDLE_SCREEN;
  86                         };
  87                         OswaldState.screen = &OswaldScreens[OswaldState.screen_id];
  88                         //oswald_update_screen();
  89                         OswaldState.screen->event_func(EVENT_SCREEN_VISIBLE, NULL);
  90                         break;
  91                 case BUTTON_F:
  92                         // backlight on/off
  93                         break;
  94                 default:
  95                         // should never get here
  96                         break;
  97         };
  98 }
  99
 100 void oswald_init(void)
 101 {
 102         OswaldScreens[IDLE_SCREEN].event_mask = EVENT_ONE_SEC_TIMER;
 103         OswaldScreens[IDLE_SCREEN].event_func = idle_handle_events;
 104
 105         OswaldScreens[ACCEL_DISPLAY_SCREEN].event_mask = EVENT_USER_BUTTONS;
 106         OswaldScreens[ACCEL_DISPLAY_SCREEN].event_func = accel_handle_events;
 107
 108
 109         OswaldScreens[DATETIME_SETTING_SCREEN].event_mask = EVENT_USER_BUTTONS | EVENT_ONE_SEC_TIMER;
 110         OswaldScreens[DATETIME_SETTING_SCREEN].event_func = datetime_setup_events;
 111
 112         OswaldScreens[MENU_TEST_SCREEN].event_mask = EVENT_USER_BUTTONS;
 113         OswaldScreens[MENU_TEST_SCREEN].event_func = test_menu_handle_events;
 114
 115         OswaldState.screen_id = IDLE_SCREEN;
 116         OswaldState.screen = &OswaldScreens[OswaldState.screen_id];
 117         OswaldState.idle_show_seconds = FALSE;
 118
 119         if (OswaldState.screen->event_func != NULL)
 120                 OswaldState.screen->event_func(EVENT_SCREEN_VISIBLE, NULL);
 121 }
 122