ui/oswald_main.c

   1 #include "oswald.h"
   2 #include "oswald_watch_faces.h"
   3
   4 #include "oswald_main.h"
   5
   6 /*
   7  * some variable defining our curent state
   8  * these are globals in order to avoid having to pass pointers
   9  * through function calls thus saving stack space
  10  */
  11 clock_state OswaldClk;
  12 watch_state OswaldState;
  13
  14 void update_screen(void)
  15 {
  16         switch (OswaldState.screen) {
  17                 case IDLE_SCREEN:
  18                         if (OswaldState.idle_draw_func != NULL)
  19                                 OswaldState.idle_draw_func(OswaldState.idle_show_seconds);
  20                         break;
  21                 case APPLICATION_SCREEN:
  22                         break;
  23                 deafault:
  24                         break;
  25         };
  26 }
  27
  28 void oswald_change_to_screen(screen_number screen)
  29 {
  30         // we spare the update if no change
  31         if (OswaldState.screen != screen) {
  32                 OswaldState.screen = screen;
  33                 update_screen();
  34         }
  35 }
  36
  37 void oswald_set_time(u8t hour, u8t minute, u8t second)
  38 {
  39         OswaldClk.hour = hour;
  40         OswaldClk.minute = minute;
  41         OswaldClk.second = second;
  42 }
  43
  44 static void update_clock_state (void)
  45 {
  46         OswaldClk.second += 1;
  47         if (OswaldClk.second > 59) {
  48                 OswaldClk.second = 0;
  49                 OswaldClk.minute += 1;
  50         } else
  51                 return;
  52         if (OswaldClk.minute > 59) {
  53                 OswaldClk.minute = 0;
  54                 OswaldClk.hour += 1;
  55         } else
  56                 return;
  57         if (OswaldClk.hour > 23) {
  58                 OswaldClk.hour = 0;
  59                 // day++
  60         } else
  61                 return;
  62 }
  63
  64 void oswald_one_second_tick(void)
  65 {
  66         update_clock_state();
  67         update_screen();
  68 }
  69
  70 void oswald_handle_button_press(watch_button button)
  71 {
  72 }
  73
  74 void oswald_init(void)
  75 {
  76         OswaldState.screen = IDLE_SCREEN;
  77         OswaldState.idle_draw_func = DrawLcdDigitalClock;
  78         OswaldState.idle_show_seconds = FALSE;
  79 }
  80