ui/oswald_main.c

   1 #include "oswald.h"
   2 #include "oswald_watch_faces.h"
   3 #include "oswald_screens.h"
   4 #include "oswald_hal.h"
   5
   6 #include "embedvm.h"
   7
   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 alarm_clk OswaldAlarm;
  17 watch_state OswaldState;
  18 watch_screen OswaldScreens[SCREENS_END];
  19 power_state OswaldPowerState;
  20 uint8_t backlight_safety_off = 0;
  21 char MainMessage[148];
  22
  23
  24 void oswald_change_to_screen(screen_number screen_id)
  25 {
  26         // we spare the update if no change happened
  27         if (OswaldState.screen_id != screen_id) {
  28                 OswaldState.screen_id = screen_id;
  29                 if ((OswaldState.screen->event_func != NULL) &&
  30                     (OswaldState.screen->event_mask & EVENT_SCREEN_VISIBLE))
  31                                 OswaldState.screen->event_func(EVENT_SCREEN_VISIBLE, NULL);
  32         }
  33 }
  34
  35 void oswald_set_time(uint8_t hour, uint8_t minute, uint8_t second, boolean clk24hr)
  36 {
  37         OswaldClk.hour = hour;
  38         OswaldClk.minute = minute;
  39         OswaldClk.second = second;
  40         OswaldClk.clk24hr = clk24hr;
  41 }
  42
  43 void oswald_set_date(uint8_t day, uint8_t month, uint16_t year, boolean day_first)
  44 {
  45         OswaldClk.day = day;
  46         OswaldClk.month = month;
  47         OswaldClk.year = year;
  48         OswaldClk.day_first = day_first;
  49 }
  50
  51 static void update_clock_state (void)
  52 {
  53         hal_get_rtc(&OswaldClk);
  54
  55         /* check for pending alarm once per minute */
  56         if (OswaldClk.second == 0) {
  57                 if (OswaldClk.hour == OswaldAlarm.hour &&
  58                         OswaldClk.minute == OswaldAlarm.minute &&
  59                         ((1 << OswaldClk.wday) & OswaldAlarm.wday)) {
  60                         OswaldState.screen->event_func(EVENT_SCREEN_DESTROY, NULL);
  61                         OswaldState.screen_id = ALARM_SCREEN;
  62                         OswaldState.screen = &OswaldScreens[OswaldState.screen_id];
  63                         OswaldState.screen->event_func(EVENT_SCREEN_VISIBLE, NULL);
  64                 }
  65         }
  66 }
  67
  68 void oswald_one_second_tick(void)
  69 {
  70         /* update clock - should use RTC if available */
  71         update_clock_state();
  72
  73         hal_get_power_state(&OswaldPowerState);
  74         if (backlight_safety_off) {
  75                 backlight_safety_off--;
  76                 if (!backlight_safety_off)
  77                         hal_lcd_set_backlight(FALSE);
  78         }
  79
  80         /* wake-up screen if interested in the one-second-event */
  81         if (OswaldState.screen->event_func != NULL &&
  82             (OswaldState.screen->event_mask & EVENT_ONE_SEC_TIMER))
  83                 OswaldState.screen->event_func(EVENT_ONE_SEC_TIMER, NULL);
  84 }
  85
  86 void oswald_centisecond_tick(void)
  87 {
  88         if (OswaldState.screen->event_func != NULL &&
  89             (OswaldState.screen->event_mask & EVENT_CS_TIMER))
  90                 OswaldState.screen->event_func(EVENT_CS_TIMER, NULL);
  91 }
  92
  93 void oswald_halfsecond_tick(void)
  94 {
  95         if (OswaldState.screen->event_func != NULL &&
  96             (OswaldState.screen->event_mask & EVENT_HALF_SEC_TIMER))
  97                 OswaldState.screen->event_func(EVENT_HALF_SEC_TIMER, NULL);
  98 }
  99
 100 void oswald_handle_button_press(watch_button button)
 101 {
 102         switch (button) {
 103                 case BUTTON_A:
 104                 case BUTTON_B:
 105                 case BUTTON_E:
 106                 case BUTTON_F:
 107                         if (OswaldState.screen->event_func != NULL &&
 108                             (OswaldState.screen->event_mask & EVENT_USER_BUTTONS)) {
 109                                 OswaldState.screen->event_func(EVENT_USER_BUTTONS, &button);
 110                         }
 111                         break;
 112                 case BUTTON_C:
 113                         if (OswaldState.screen->event_func != NULL &&
 114                             (OswaldState.screen->event_mask & EVENT_USER_BUTTONS)) {
 115                                 if (OswaldState.screen->event_func(EVENT_USER_BUTTONS, &button) == EVENT_RET_HANDLED)
 116                                         break;
 117                         }
 118                         OswaldState.screen->event_func(EVENT_SCREEN_DESTROY, NULL);
 119                         // next screen
 120                         OswaldState.screen_id++;
 121                         if (OswaldState.screen_id >= LAST_SCREEN) {
 122                                 OswaldState.screen_id = IDLE_SCREEN;
 123                         };
 124                         OswaldState.screen = &OswaldScreens[OswaldState.screen_id];
 125                         OswaldState.screen->event_func(EVENT_SCREEN_VISIBLE, NULL);
 126                         break;
 127                 case BUTTON_D:
 128                         // backlight on/off
 129                         if (hal_lcd_get_backlight()) {
 130                                 hal_lcd_set_backlight(FALSE);
 131                                 backlight_safety_off = 0;
 132                         } else {
 133                                 hal_lcd_set_backlight(TRUE);
 134                                 backlight_safety_off = 2;
 135                         }
 136                         break;
 137                 default:
 138                         // should never get here
 139                         break;
 140         };
 141 }
 142
 143 void oswald_handle_accel_event(uint8_t x, uint8_t y, uint8_t z)
 144 {
 145         accel_data_t accel_data;
 146
 147         accel_data.x = x;
 148         accel_data.y = y;
 149         accel_data.z = z;
 150
 151         if (OswaldState.screen->event_func != NULL &&
 152             (OswaldState.screen->event_mask & EVENT_ACCEL_UPDATE))
 153                 OswaldState.screen->event_func(EVENT_ACCEL_UPDATE, &accel_data);
 154 }
 155
 156 void oswald_handle_ambientlight_event(uint8_t light_level)
 157 {
 158         if (OswaldState.screen->event_func != NULL &&
 159             (OswaldState.screen->event_mask & EVENT_AMBIENTLIGHT_UPDATE))
 160                 OswaldState.screen->event_func(EVENT_AMBIENTLIGHT_UPDATE, &light_level);
 161 }
 162
 163 void oswald_handle_comm_input(uint16_t mlen, const void *mdat)
 164 {
 165         char *icmd = (char *) mdat;
 166
 167         if (icmd[0] == '$') {
 168                 if (strncmp(icmd, "$GRT", 4) == 0) { // get current RTC
 169                         char rtime[16];
 170                         snprintf(rtime, 16, "#RTC%02d%02d%02d\n", OswaldClk.hour, OswaldClk.minute, OswaldClk.second);
 171                         hal_bluetooth_send_data(rtime, strlen(rtime));
 172                 } else if (strncmp(icmd, "$SRT", 4) == 0) { // set current RTC
 173                 } else if (strncmp(icmd, "$MSG", 4) == 0) { // message on main screen
 174                         char *msg = (icmd+4);
 175                         mlen -= 4;
 176                         memset(MainMessage, 0, 148);
 177                         strncpy(MainMessage, msg, (mlen > 147) ? 147 : mlen);
 178                 } else if (strncmp(icmd, "$MCL", 4) == 0) { // clear message
 179                         memset(MainMessage, 0, 148);
 180                 } else if (strncmp(icmd, "$BAT", 4) == 0) { // clear message
 181                         char rtime[16];
 182                         snprintf(rtime, 16, "#BAT%d,%d\n", OswaldPowerState.charge_state, OswaldPowerState.percent);
 183                         hal_bluetooth_send_data(rtime, strlen(rtime));
 184                 }
 185         }
 186 }
 187
 188 void oswald_init(void)
 189 {
 190         OswaldScreens[IDLE_SCREEN].event_mask = EVENT_USER_BUTTONS | EVENT_ONE_SEC_TIMER;
 191         OswaldScreens[IDLE_SCREEN].event_func = idle_handle_events;
 192
 193         OswaldScreens[ACCEL_DISPLAY_SCREEN].event_mask = EVENT_USER_BUTTONS | EVENT_ACCEL_UPDATE;
 194         OswaldScreens[ACCEL_DISPLAY_SCREEN].event_func = accel_handle_events;
 195
 196         OswaldScreens[DATETIME_SETTING_SCREEN].event_mask = EVENT_USER_BUTTONS | EVENT_HALF_SEC_TIMER;
 197         OswaldScreens[DATETIME_SETTING_SCREEN].event_func = datetime_setup_events;
 198
 199         OswaldScreens[ALARM_SETUP_SCREEN].event_mask = EVENT_USER_BUTTONS | EVENT_HALF_SEC_TIMER;
 200         OswaldScreens[ALARM_SETUP_SCREEN].event_func = alarm_setup_events;
 201
 202         OswaldScreens[MENU_TEST_SCREEN].event_mask = EVENT_USER_BUTTONS;
 203         OswaldScreens[MENU_TEST_SCREEN].event_func = test_menu_handle_events;
 204
 205         OswaldScreens[STOP_WATCH_SCREEN].event_mask = EVENT_USER_BUTTONS | EVENT_CS_TIMER;
 206         OswaldScreens[STOP_WATCH_SCREEN].event_func = stop_watch_handle_events;
 207
 208         OswaldScreens[BLUETOOTH_SCREEN].event_mask = EVENT_USER_BUTTONS | EVENT_HALF_SEC_TIMER;
 209         OswaldScreens[BLUETOOTH_SCREEN].event_func = bluetooth_screen_events;
 210
 211         OswaldScreens[ALARM_SCREEN].event_mask = EVENT_USER_BUTTONS | EVENT_HALF_SEC_TIMER;
 212         OswaldScreens[ALARM_SCREEN].event_func = alarm_handle_events;
 213
 214         OswaldScreens[INFO_SCREEN].event_mask = 0x00; // this one does not consume any events
 215         OswaldScreens[INFO_SCREEN].event_func = info_screen_handle_events;
 216
 217         OswaldState.screen_id = IDLE_SCREEN;
 218         OswaldState.screen = &OswaldScreens[OswaldState.screen_id];
 219
 220         if (OswaldState.screen->event_func != NULL)
 221                 OswaldState.screen->event_func(EVENT_SCREEN_VISIBLE, NULL);
 222
 223         OswaldAlarm.hour = 12;
 224         OswaldAlarm.minute = 0;
 225         OswaldAlarm.wday = 0x00;
 226
 227         // strcpy(MainMessage, "So koennte dann eine Nachricht aussehen. Samt Text mit Unterlaengen. Und dies ist dann die letzte Zeile und mehr Text als paßt.");
 228 }
 229