ui/oswald_main.c

   1 #include "oswald.h"
   2 #include "oswald_watch_faces.h"
   3 #include "Fonts.h"
   4 #include "LcdDisplay.h"
   5
   6 #include "oswald_main.h"
   7
   8 /*
   9  * some variable defining our curent state
  10  * these are globals in order to avoid having to pass pointers
  11  * through function calls thus saving stack space
  12  */
  13 clock_state OswaldClk;
  14 watch_state OswaldState;
  15
  16 void update_screen(void)
  17 {
  18         if (OswaldState.user_screendraw_func != NULL)
  19                 OswaldState.user_screendraw_func();
  20 }
  21
  22 void oswald_change_to_screen(screen_number screen)
  23 {
  24         // we spare the update if no change happened
  25         if (OswaldState.screen != screen) {
  26                 OswaldState.screen = screen;
  27                 update_screen();
  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_clock_state();
  61         update_screen();
  62 }
  63
  64 void draw_accel_screen(void)
  65 {
  66         lcd_clear_display();
  67         SetFont(MetaWatch16);
  68         WriteLcdString(2, 2, "X:");
  69         WriteLcdString(20, 2, "123");
  70         WriteLcdString(2, 18, "Z:");
  71         WriteLcdString(20, 18, "123");
  72         WriteLcdString(2, 34, "Y:");
  73         WriteLcdString(20, 34, "123");
  74 }
  75
  76 void idle_handle_user_buttons(watch_button button)
  77 {
  78 }
  79
  80 void oswald_handle_button_press(watch_button button)
  81 {
  82         switch (button) {
  83                 case BUTTON_A:
  84                 case BUTTON_B:
  85                 case BUTTON_D:
  86                 case BUTTON_E:
  87                         if (OswaldState.user_button_func != NULL)
  88                                 OswaldState.user_button_func(button);
  89                         break;
  90                 case BUTTON_C:
  91                         // next screen
  92                         OswaldState.screen++;
  93                         if (OswaldState.screen >= LAST_SCREEN) {
  94                                 OswaldState.screen = IDLE_SCREEN;
  95                                 OswaldState.user_button_func = idle_handle_user_buttons;
  96                                 OswaldState.user_screendraw_func = DrawLcdDigitalClock;
  97                         } else {
  98                                 switch (OswaldState.screen) {
  99                                         case SETTING_DATETIME_SCREEN:
 100                                                 OswaldState.user_button_func = idle_handle_user_buttons;
 101                                                 OswaldState.user_screendraw_func = draw_accel_screen;
 102                                                 break;
 103                                         default:
 104                                                 break;
 105                                 };
 106                         };
 107                         update_screen();
 108                         break;
 109                 case BUTTON_F:
 110                         // backlight on/off
 111                         break;
 112                 default:
 113                         // should never get here
 114                         break;
 115         };
 116 }
 117
 118 void oswald_init(void)
 119 {
 120         OswaldState.screen = IDLE_SCREEN;
 121         OswaldState.idle_show_seconds = FALSE;
 122         OswaldState.user_screendraw_func = DrawLcdDigitalClock;
 123         OswaldState.user_button_func = idle_handle_user_buttons;
 124 }
 125