1 files changed, 89 insertions, 0 deletions
diff --git a/movement/movement.h b/movement/movement.h
new file mode 100644
index 00000000..025a5aa6
--- /dev/null
+++ b/movement/movement.h
@@ -0,0 +1,89 @@
+#ifndef MOVEMENT_H_
+#define MOVEMENT_H_
+#include <stdio.h>
+#include <stdbool.h>
+
+// TODO: none of this is implemented
+typedef union {
+    struct {
+        uint32_t reserved : 3;
+        uint32_t clock_mode_24h : 1;        // determines whether clock should use 12 or 24 hour mode.
+        uint32_t button_should_sound : 1;   // if true, pressing a button emits a sound.
+        uint32_t signal_should_sound : 1;   // if true, a double beep is played at the top of each hour.
+        uint32_t alarm_should_sound : 1;    // if true, the alarm interrupt can match a time and play a song.
+        uint32_t alarm_minute : 6;          // the minute of the alarm we want to match
+        uint32_t alarm_hour : 5;            // the second of the alarm we want to match
+        uint32_t screensaver_interval : 3;  // 0 to disable screensaver, or a screensaver activation interval.
+        uint32_t led_duration : 3;          // how many seconds to shine the LED for, or 0 to disable it.
+        uint32_t led_red_color : 4;         // for general purpose illumination, the red LED value (0-15)
+        uint32_t led_green_color : 4;       // for general purpose illumination, the green LED value (0-15)
+    } bit;
+    uint32_t value;
+} LauncherSettings;
+
+typedef enum {
+    EVENT_NONE = 0,             // There is no event to report.
+    EVENT_ACTIVATE,             // Your widget is entering the foreground.
+    EVENT_TICK,                 // Most common event type. Your widget is being called from the tick callback.
+    EVENT_SCREENSAVER,          // Your widget is being asked to display its output for screensaver mode.
+    EVENT_LIGHT_BUTTON_DOWN,    // The light button has been pressed, but not yet released.
+    EVENT_LIGHT_BUTTON_UP,      // The light button was pressed and released.
+    EVENT_LIGHT_LONG_PRESS,     // The light button was held for >2 seconds, and released.
+    EVENT_MODE_BUTTON_DOWN,     // The mode button has been pressed, but not yet released.
+    EVENT_MODE_BUTTON_UP,       // The mode button was pressed and released.
+    EVENT_MODE_LONG_PRESS,      // The mode button was held for >2 seconds, and released.
+    EVENT_ALARM_BUTTON_DOWN,    // The alarm button has been pressed, but not yet released.
+    EVENT_ALARM_BUTTON_UP,      // The alarm button was pressed and released.
+    EVENT_ALARM_LONG_PRESS,     // The alarm button was held for >2 seconds, and released.
+} LauncherEventType;
+
+typedef struct {
+    uint8_t event_type;
+    uint8_t subsecond;
+} LauncherEvent;
+
+typedef void (*movement_widget_setup)(LauncherSettings *settings, void ** context_ptr);
+typedef void (*movement_widget_activate)(LauncherSettings *settings, void *context);
+typedef bool (*movement_widget_loop)(LauncherEvent event, LauncherSettings *settings, void *context);
+typedef void (*movement_widget_resign)(LauncherSettings *settings, void *context);
+
+typedef struct {
+    movement_widget_setup setup;
+    movement_widget_activate activate;
+    movement_widget_loop loop;
+    movement_widget_resign resign;
+} WatchWidget;
+
+typedef struct {
+    // properties stored in BACKUP register
+    LauncherSettings movement_settings;
+
+    // transient properties
+    int16_t current_widget;
+    int16_t next_widget;
+    bool widget_changed;
+
+    // LED stuff
+    uint8_t light_ticks;
+    bool led_on;
+    
+    // button tracking for long press
+    uint8_t light_down_timestamp;
+    uint8_t mode_down_timestamp;
+    uint8_t alarm_down_timestamp;
+
+    // screensaver countdown
+    int32_t screensaver_ticks;
+
+    // stuff for subsecond tracking
+    uint8_t tick_frequency;
+    uint8_t last_second;
+    uint8_t subsecond;
+} LauncherState;
+
+void movement_move_to_widget(uint8_t widget_index);
+void movement_move_to_next_widget();
+void movement_illuminate_led();
+void movement_request_tick_frequency(uint8_t freq);
+
+#endif // MOVEMENT_H_