ui/oswald.h

   1 #ifndef _OSWALD_H
   2 #define _OSWALD_H
   3 #include <stdio.h>
   4 #include <string.h>
   5 #include <stdint.h>
   6
   7 #define OSWALD_VERSION "v0.3"
   8
   9 //#define DEBUG 1
  10 #ifdef DEBUG
  11 #define dbg_out( args... ) fprintf(stderr, args)
  12 #else
  13 #define dbg_out( args... ) do {} while (0)
  14 #endif
  15
  16 typedef uint8_t boolean;
  17 #ifdef TRUE
  18 #undef TRUE
  19 #endif
  20 #define TRUE 1
  21 #ifdef FALSE
  22 #undef FALSE
  23 #endif
  24 #define FALSE 0
  25 #ifndef NULL
  26 #define NULL 0
  27 #endif
  28
  29 typedef struct {
  30         uint8_t hour;
  31         uint8_t minute;
  32         uint8_t second;
  33         uint8_t day;
  34         uint8_t wday; // day in week, 0=sunday, 1=monday,...
  35         uint8_t month;
  36         uint16_t        year;
  37         boolean clk24hr;
  38         boolean day_first;
  39 } clock_state;
  40
  41 #define WDAY_SUNDAY     (1 << 0)
  42 #define WDAY_MONDAY     (1 << 1)
  43 #define WDAY_TUESDAY    (1 << 2)
  44 #define WDAY_WEDNESDAY  (1 << 3)
  45 #define WDAY_THURSDAY   (1 << 4)
  46 #define WDAY_FRIDAY     (1 << 5)
  47 #define WDAY_SATURDAY   (1 << 6)
  48 typedef struct {
  49         uint8_t hour;
  50         uint8_t minute;
  51         uint8_t wday; // bitfield 0 to 6, 1=sunday, 2=monday, 4=tuesday...
  52 } alarm_clk;
  53
  54 typedef enum {
  55         IDLE_SCREEN = 0,
  56         ALARM_SETUP_SCREEN,
  57         STOP_WATCH_SCREEN,
  58         BLUETOOTH_SCREEN,
  59         ACCEL_DISPLAY_SCREEN,
  60         INFO_SCREEN,
  61         LAST_SCREEN,            // a marker for the last (not valid) screen)
  62         MENU_TEST_SCREEN,
  63         APPLICATION_SCREEN,
  64         DATETIME_SETTING_SCREEN,
  65         ALARM_SCREEN,
  66         SCREENS_END,
  67 } screen_number;
  68
  69 typedef enum {
  70         BUTTON_A = 0,
  71         BUTTON_B,
  72         BUTTON_C,
  73         BUTTON_D,
  74         BUTTON_E,
  75         BUTTON_F,
  76 } watch_button;
  77
  78 #define EVENT_SCREEN_VISIBLE            (1<<0)          // screen just became visible
  79 #define EVENT_SCREEN_DESTROY            (1<<1)          // screen is destroyed
  80 #define EVENT_ONE_SEC_TIMER             (1<<2)          // one second timer for reguler clock
  81 #define EVENT_HALF_SEC_TIMER            (1<<3)          // half second timer for blinking displays
  82 #define EVENT_CS_TIMER                  (1<<4)          // centisecond timer, e.g. for stop watch
  83 #define EVENT_USER_BUTTONS              (1<<5)          // button presses
  84 #define EVENT_ACCEL_UPDATE              (1<<6)          // accelerometer updates
  85 #define EVENT_AMBIENTLIGHT_UPDATE       (1<<7)          // ambient light sensor updates
  86 #define EVENT_POWER_CHANGE              (1<<8)          // power source status change
  87 #define EVENT_COMMS                     (1<<9)          // communication, like Bluetooth I/O
  88 #define EVENT_POWER_STATE               (1<<10)         // power source changed or similar
  89
  90 typedef enum {
  91         EVENT_RET_UNHANDLED = 0,
  92         EVENT_RET_HANDLED,
  93         EVENT_RET_ERR
  94 } event_ret_t;
  95
  96 typedef struct {
  97         uint16_t event_mask;                            // the event the screen wants to receive
  98         event_ret_t (*event_func)(uint16_t event, void *data);  // callback for events
  99         void *user_data;
 100 } watch_screen;
 101
 102 typedef struct {
 103         screen_number   screen_id;
 104         watch_screen *screen;           // the current screen
 105         boolean pending_idle;
 106 } watch_state;
 107
 108 typedef struct {
 109         int8_t  x;
 110         int8_t  y;
 111         int8_t  z;
 112 } accel_data_t;
 113
 114 #define POWER_SOURCE_BATTERY    0
 115 #define POWER_SOURCE_EXTERNAL   1
 116
 117 #define POWER_CHARGER_DONE      0
 118 #define POWER_CHARGER_PRECHARGE 1
 119 #define POWER_CHARGER_CHARGING  2
 120 #define POWER_CHARGER_UNK       3
 121
 122 typedef struct {
 123         uint8_t source;
 124         uint8_t charge_state;
 125         uint8_t percent;
 126         uint16_t        level;
 127 } power_state;
 128
 129 typedef enum {
 130         BLUETOOTH_OFF = 0,
 131         BLUETOOTH_ON,
 132         BLUETOOTH_CONNECTED,
 133         BLUETOOTH_ILL
 134 } bluetooth_state;
 135
 136 #endif