ui/oswald_main.c

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