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[SCREENS_END];
  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, boolean clk24hr)
  31 {
  32         OswaldClk.hour = hour;
  33         OswaldClk.minute = minute;
  34         OswaldClk.second = second;
  35         OswaldClk.clk24hr = clk24hr;
  36 }
  37
  38 void oswald_set_date(u8t day, u8t month, u16t year, boolean day_first)
  39 {
  40         OswaldClk.day = day;
  41         OswaldClk.month = month;
  42         OswaldClk.year = year;
  43         OswaldClk.day_first = day_first;
  44 }
  45
  46 static void update_clock_state (void)
  47 {
  48         OswaldClk.second += 1;
  49         if (OswaldClk.second > 59) {
  50                 OswaldClk.second = 0;
  51                 OswaldClk.minute += 1;
  52         } else
  53                 return;
  54         if (OswaldClk.minute > 59) {
  55                 OswaldClk.minute = 0;
  56                 OswaldClk.hour += 1;
  57         } else
  58                 return;
  59         if (OswaldClk.hour > 23) {
  60                 OswaldClk.hour = 0;
  61                 // day++
  62         } else
  63                 return;
  64 }
  65
  66 void oswald_one_second_tick(void)
  67 {
  68         /* update our 'RTC' */
  69         update_clock_state();
  70
  71         /* wake-up screen if interested in the one-second-event */
  72         if (OswaldState.screen->event_func != NULL &&
  73             (OswaldState.screen->event_mask & EVENT_ONE_SEC_TIMER))
  74                 OswaldState.screen->event_func(EVENT_ONE_SEC_TIMER, NULL);
  75 }
  76
  77 void oswald_centisecond_tick(void)
  78 {
  79         if (OswaldState.screen->event_func != NULL &&
  80             (OswaldState.screen->event_mask & EVENT_CS_TIMER))
  81                 OswaldState.screen->event_func(EVENT_CS_TIMER, NULL);
  82 }
  83
  84 void oswald_halfsecond_tick(void)
  85 {
  86         if (OswaldState.screen->event_func != NULL &&
  87             (OswaldState.screen->event_mask & EVENT_HALF_SEC_TIMER))
  88                 OswaldState.screen->event_func(EVENT_HALF_SEC_TIMER, NULL);
  89 }
  90
  91 void oswald_handle_button_press(watch_button button)
  92 {
  93         switch (button) {
  94                 case BUTTON_A:
  95                 case BUTTON_B:
  96                 case BUTTON_D:
  97                 case BUTTON_E:
  98                         if (OswaldState.screen->event_func != NULL &&
  99                             (OswaldState.screen->event_mask & EVENT_USER_BUTTONS))
 100                                 OswaldState.screen->event_func(EVENT_USER_BUTTONS, &button);
 101                         break;
 102                 case BUTTON_C:
 103                         OswaldState.screen->event_func(EVENT_SCREEN_DESTROY, NULL);
 104                         // next screen
 105                         OswaldState.screen_id++;
 106                         if (OswaldState.screen_id >= LAST_SCREEN) {
 107                                 OswaldState.screen_id = IDLE_SCREEN;
 108                         };
 109                         OswaldState.screen = &OswaldScreens[OswaldState.screen_id];
 110                         OswaldState.screen->event_func(EVENT_SCREEN_VISIBLE, NULL);
 111                         break;
 112                 case BUTTON_F:
 113                         // backlight on/off
 114                         break;
 115                 default:
 116                         // should never get here
 117                         break;
 118         };
 119 }
 120
 121 void oswald_handle_accel_event(u8t x, u8t y, u8t z)
 122 {
 123         accel_data_t accel_data;
 124
 125         accel_data.x = x;
 126         accel_data.y = y;
 127         accel_data.z = z;
 128
 129         if (OswaldState.screen->event_func != NULL &&
 130             (OswaldState.screen->event_mask & EVENT_ACCEL_UPDATE))
 131                 OswaldState.screen->event_func(EVENT_ACCEL_UPDATE, &accel_data);
 132 }
 133
 134 void oswald_handle_ambientlight_event(u8t light_level)
 135 {
 136         if (OswaldState.screen->event_func != NULL &&
 137             (OswaldState.screen->event_mask & EVENT_AMBIENTLIGHT_UPDATE))
 138                 OswaldState.screen->event_func(EVENT_AMBIENTLIGHT_UPDATE, &light_level);
 139 }
 140
 141 void oswald_init(void)
 142 {
 143         OswaldScreens[IDLE_SCREEN].event_mask = EVENT_USER_BUTTONS | EVENT_ONE_SEC_TIMER;
 144         OswaldScreens[IDLE_SCREEN].event_func = idle_handle_events;
 145
 146         OswaldScreens[ACCEL_DISPLAY_SCREEN].event_mask = EVENT_USER_BUTTONS | EVENT_ACCEL_UPDATE;
 147         OswaldScreens[ACCEL_DISPLAY_SCREEN].event_func = accel_handle_events;
 148
 149         OswaldScreens[DATETIME_SETTING_SCREEN].event_mask = EVENT_USER_BUTTONS | EVENT_HALF_SEC_TIMER;
 150         OswaldScreens[DATETIME_SETTING_SCREEN].event_func = datetime_setup_events;
 151
 152         OswaldScreens[MENU_TEST_SCREEN].event_mask = EVENT_USER_BUTTONS;
 153         OswaldScreens[MENU_TEST_SCREEN].event_func = test_menu_handle_events;
 154
 155         OswaldScreens[STOP_WATCH_SCREEN].event_mask = EVENT_USER_BUTTONS | EVENT_CS_TIMER;
 156         OswaldScreens[STOP_WATCH_SCREEN].event_func = stop_watch_handle_events;
 157
 158         OswaldState.screen_id = IDLE_SCREEN;
 159         OswaldState.screen = &OswaldScreens[OswaldState.screen_id];
 160
 161         if (OswaldState.screen->event_func != NULL)
 162                 OswaldState.screen->event_func(EVENT_SCREEN_VISIBLE, NULL);
 163 }
 164