launcher is now movement

13 files changed, 846 insertions, 0 deletions

diff --git a/movement/make/.gitignore b/movement/make/.gitignore
new file mode 100755
index 00000000..3722ac63
--- /dev/null
+++ b/movement/make/.gitignore
@@ -0,0 +1 @@
+build/

diff --git a/movement/make/Makefile b/movement/make/Makefile
new file mode 100755
index 00000000..35b80079
--- /dev/null
+++ b/movement/make/Makefile
@@ -0,0 +1,32 @@
+# Leave this line at the top of the file; it has all the watch library sources and includes.
+TOP = ../..
+include $(TOP)/make.mk
+
+# If you add any other subdirectories with header files you wish to include, add them after ../
+# Note that you will need to add a backslash at the end of any line you wish to continue, i.e.
+# INCLUDES += \
+#   -I../ \
+#   -I../drivers/ \
+#   -I../widgets/fitness/
+INCLUDES += \
+  -I../ \
+  -I../widgets/ \
+  -I../widgets/clock/ \
+  -I../widgets/settings/ \
+  -I../widgets/complications/ \
+
+# If you add any other source files you wish to compile, add them after ../app.c
+# Note that you will need to add a backslash at the end of any line you wish to continue, i.e.
+# SRCS += \
+#   ../movement.c \
+#   ../drivers/lis2dh.c \
+#   ../widgets/fitness/step_count_widget.c
+SRCS += \
+  ../movement.c \
+  ../widgets/clock/simple_clock_widget.c \
+  ../widgets/settings/preferences_widget.c \
+  ../widgets/settings/set_time_widget.c \
+  ../widgets/complications/pulseometer_widget.c \
+
+# Leave this line at the bottom of the file; it has all the targets for making your project.
+include $(TOP)/rules.mk
diff --git a/movement/movement.c b/movement/movement.c
new file mode 100644
index 00000000..9c15833c
--- /dev/null
+++ b/movement/movement.c
@@ -0,0 +1,218 @@
+#include <stdio.h>
+#include <string.h>
+#include <limits.h>
+#include "watch.h"
+#include "movement.h"
+#include "movement_config.h"
+
+LauncherState movement_state;
+void * widget_contexts[MOVEMENT_NUM_WIDGETS];
+const int32_t movement_screensaver_deadlines[8] = {INT_MAX, 3600, 7200, 21600, 43200, 86400, 172800, 604800};
+LauncherEvent event;
+
+void cb_mode_btn_interrupt();
+void cb_light_btn_interrupt();
+void cb_alarm_btn_interrupt();
+void cb_alarm_btn_extwake();
+void cb_alarm_fired();
+void cb_tick();
+
+static inline void _movement_reset_screensaver_countdown() {
+    // for testing, make the timeout happen 60x faster.
+    movement_state.screensaver_ticks = movement_screensaver_deadlines[movement_state.movement_settings.bit.screensaver_interval] / 60;
+}
+
+void movement_request_tick_frequency(uint8_t freq) {
+    watch_rtc_disable_all_periodic_callbacks();
+    movement_state.subsecond = 0;
+    movement_state.tick_frequency = freq;
+    watch_rtc_register_periodic_callback(cb_tick, freq);
+}
+
+void movement_illuminate_led() {
+    movement_state.light_ticks = 3;
+}
+
+void movement_move_to_widget(uint8_t widget_index) {
+    movement_state.widget_changed = true;
+    movement_state.next_widget = widget_index;
+}
+
+void movement_move_to_next_widget() {
+    movement_move_to_widget((movement_state.current_widget + 1) % MOVEMENT_NUM_WIDGETS);
+}
+
+void app_init() {
+    memset(&movement_state, 0, sizeof(movement_state));
+
+    movement_state.movement_settings.bit.led_green_color = 0xF;
+    movement_state.movement_settings.bit.button_should_sound = true;
+    movement_state.movement_settings.bit.screensaver_interval = 1;
+    _movement_reset_screensaver_countdown();
+}
+
+void app_wake_from_deep_sleep() {
+    // This app does not support deep sleep mode.
+}
+
+void app_setup() {
+    static bool is_first_launch = true;
+
+    if (is_first_launch) {
+        for(uint8_t i = 0; i < MOVEMENT_NUM_WIDGETS; i++) {
+            widget_contexts[i] = NULL;
+            is_first_launch = false;
+        }
+    }
+    if (movement_state.screensaver_ticks != -1) {
+        watch_disable_extwake_interrupt(BTN_ALARM);
+        watch_rtc_disable_alarm_callback();
+
+        watch_enable_external_interrupts();
+        watch_register_interrupt_callback(BTN_MODE, cb_mode_btn_interrupt, INTERRUPT_TRIGGER_BOTH);
+        watch_register_interrupt_callback(BTN_LIGHT, cb_light_btn_interrupt, INTERRUPT_TRIGGER_BOTH);
+        watch_register_interrupt_callback(BTN_ALARM, cb_alarm_btn_interrupt, INTERRUPT_TRIGGER_BOTH);
+
+        watch_enable_buzzer();
+        watch_enable_leds();
+        watch_enable_display();
+
+        movement_request_tick_frequency(1);
+
+        for(uint8_t i = 0; i < MOVEMENT_NUM_WIDGETS; i++) {
+            widgets[i].setup(&movement_state.movement_settings, &widget_contexts[i]);
+        }
+
+        widgets[0].activate(&movement_state.movement_settings, widget_contexts[0]);
+        event.subsecond = 0;
+        event.event_type = EVENT_ACTIVATE;
+    }
+}
+
+void app_prepare_for_sleep() {
+}
+
+void app_wake_from_sleep() {
+}
+
+bool app_loop() {
+    if (movement_state.widget_changed) {
+        if (movement_state.movement_settings.bit.button_should_sound) {
+            // low note for nonzero case, high note for return to widget 0
+            watch_buzzer_play_note(movement_state.next_widget ? BUZZER_NOTE_C7 : BUZZER_NOTE_C8, 50);
+        }
+        widgets[movement_state.current_widget].resign(&movement_state.movement_settings, widget_contexts[movement_state.current_widget]);
+        movement_state.current_widget = movement_state.next_widget;
+        watch_clear_display();
+        widgets[movement_state.current_widget].activate(&movement_state.movement_settings, widget_contexts[movement_state.current_widget]);
+        event.subsecond = 0;
+        event.event_type = EVENT_ACTIVATE;
+        movement_state.widget_changed = false;
+    }
+
+    // If the LED is off and should be on, turn it on
+    if (movement_state.light_ticks > 0 && !movement_state.led_on) {
+        watch_set_led_color(movement_state.movement_settings.bit.led_red_color ? (0xF | movement_state.movement_settings.bit.led_red_color << 4) : 0,
+                            movement_state.movement_settings.bit.led_green_color ? (0xF | movement_state.movement_settings.bit.led_green_color << 4) : 0);
+        movement_state.led_on = true;
+
+    }
+
+    // if the LED is on and should be off, turn it off
+    if (movement_state.led_on && movement_state.light_ticks == 0) {
+        // unless the user is holding down the LIGHT button, in which case, give them more time.
+        if (watch_get_pin_level(BTN_LIGHT)) {
+            movement_state.light_ticks = 3;
+        } else {
+            watch_set_led_off();
+            movement_state.led_on = false;
+        }
+    }
+
+    // if we have timed out of our screensaver countdown, enter screensaver mode.
+    if (movement_state.screensaver_ticks == 0) {
+        movement_state.screensaver_ticks = -1;
+        watch_date_time alarm_time;
+        alarm_time.reg = 0;
+        alarm_time.unit.second = 59; // after a match, the alarm fires at the next rising edge of CLK_RTC_CNT, so 59 seconds lets us update at :00
+        watch_rtc_register_alarm_callback(cb_alarm_fired, alarm_time, ALARM_MATCH_SS);
+        watch_register_extwake_callback(BTN_ALARM, cb_alarm_btn_extwake, true);
+        event.event_type = EVENT_NONE;
+        event.subsecond = 0;
+
+        // this is a little mini-runloop.
+        // as long as screensaver_ticks is -1 (i.e. screensaver is active), we wake up here, update the screen, and go right back to sleep.
+        while (movement_state.screensaver_ticks == -1) {
+            event.event_type = EVENT_SCREENSAVER;
+            widgets[movement_state.current_widget].loop(event, &movement_state.movement_settings, widget_contexts[movement_state.current_widget]);
+            watch_enter_shallow_sleep(true);
+        }
+        // as soon as screensaver_ticks is reset by the extwake handler, we bail out of the loop and reactivate ourselves.
+        event.event_type = EVENT_ACTIVATE;
+        // this is a hack tho: waking from shallow sleep, app_setup does get called, but it happens before we have reset our ticks.
+        // need to figure out if there's a better heuristic for determining how we woke up.
+        app_setup();
+    }
+
+    static bool can_sleep = true;
+
+    if (event.event_type) {
+        event.subsecond = movement_state.subsecond;
+        can_sleep = widgets[movement_state.current_widget].loop(event, &movement_state.movement_settings, widget_contexts[movement_state.current_widget]);
+        event.event_type = EVENT_NONE;
+        event.subsecond = 0;
+    }
+
+    return can_sleep && !movement_state.led_on;
+}
+
+LauncherEventType _figure_out_button_event(LauncherEventType button_down_event, uint8_t *down_timestamp) {
+    watch_date_time date_time = watch_rtc_get_date_time();
+    if (*down_timestamp) {
+        uint8_t diff = ((61 + date_time.unit.second) - *down_timestamp) % 60;
+        *down_timestamp = 0;
+        if (diff > 1) return button_down_event + 2;
+        else return button_down_event + 1;
+    } else {
+        *down_timestamp = date_time.unit.second + 1;
+        return button_down_event;
+    }
+}
+
+void cb_light_btn_interrupt() {
+    _movement_reset_screensaver_countdown();
+    event.event_type = _figure_out_button_event(EVENT_LIGHT_BUTTON_DOWN, &movement_state.light_down_timestamp);
+}
+
+void cb_mode_btn_interrupt() {
+    _movement_reset_screensaver_countdown();
+    event.event_type = _figure_out_button_event(EVENT_MODE_BUTTON_DOWN, &movement_state.mode_down_timestamp);
+}
+
+void cb_alarm_btn_interrupt() {
+    _movement_reset_screensaver_countdown();
+    event.event_type = _figure_out_button_event(EVENT_ALARM_BUTTON_DOWN, &movement_state.alarm_down_timestamp);
+}
+
+void cb_alarm_btn_extwake() {
+    // wake up!
+    _movement_reset_screensaver_countdown();
+}
+
+void cb_alarm_fired() {
+    event.event_type = EVENT_SCREENSAVER;
+}
+
+void cb_tick() {
+    event.event_type = EVENT_TICK;
+    watch_date_time date_time = watch_rtc_get_date_time();
+    if (date_time.unit.second != movement_state.last_second) {
+        if (movement_state.light_ticks) movement_state.light_ticks--;
+        if (movement_state.movement_settings.bit.screensaver_interval && movement_state.screensaver_ticks > 0) movement_state.screensaver_ticks--;
+
+        movement_state.last_second = date_time.unit.second;
+        movement_state.subsecond = 0;
+    } else {
+        movement_state.subsecond++;
+    }
+}
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_
diff --git a/movement/movement_config.h b/movement/movement_config.h
new file mode 100644
index 00000000..49f342ca
--- /dev/null
+++ b/movement/movement_config.h
@@ -0,0 +1,18 @@
+#ifndef MOVEMENT_CONFIG_H_
+#define MOVEMENT_CONFIG_H_
+
+#include "simple_clock_widget.h"
+#include "preferences_widget.h"
+#include "set_time_widget.h"
+#include "pulseometer_widget.h"
+
+#define MOVEMENT_NUM_WIDGETS 3
+
+WatchWidget widgets[MOVEMENT_NUM_WIDGETS] = {
+    simple_clock_widget,
+    preferences_widget,
+    set_time_widget,
+};
+
+
+#endif // MOVEMENT_CONFIG_H_
diff --git a/movement/widgets/clock/simple_clock_widget.c b/movement/widgets/clock/simple_clock_widget.c
new file mode 100644
index 00000000..22218860
--- /dev/null
+++ b/movement/widgets/clock/simple_clock_widget.c
@@ -0,0 +1,92 @@
+#include <stdlib.h>
+#include "simple_clock_widget.h"
+#include "watch.h"
+
+void simple_clock_widget_setup(LauncherSettings *settings, void ** context_ptr) {
+    (void) settings;
+    // the only context we need is the timestamp of the previous tick.
+    if (*context_ptr == NULL) *context_ptr = malloc(sizeof(uint32_t));
+}
+
+void simple_clock_widget_activate(LauncherSettings *settings, void *context) {
+    if (settings->bit.clock_mode_24h) {
+        watch_set_indicator(WATCH_INDICATOR_24H);
+    }
+    watch_set_colon();
+    // this ensures that none of the timestamp fields will match, so we can re-render them all.
+    *((uint32_t *)context) = 0xFFFFFFFF;
+}
+
+bool simple_clock_widget_loop(LauncherEvent event, LauncherSettings *settings, void *context) {
+    printf("simple_clock_widget_loop\n");
+    const char weekdays[7][3] = {"SA", "SU", "MO", "TU", "WE", "TH", "FR"};
+    char buf[11];
+    uint8_t pos;
+
+    watch_date_time date_time;
+    uint32_t previous_date_time;
+    switch (event.event_type) {
+        case EVENT_ACTIVATE:
+        case EVENT_TICK:
+        case EVENT_SCREENSAVER:
+            date_time = watch_rtc_get_date_time();
+            previous_date_time = *((uint32_t *)context);
+            *((uint32_t *)context) = date_time.reg;
+
+            if (date_time.reg >> 6 == previous_date_time >> 6 && event.event_type != EVENT_SCREENSAVER) {
+                // everything before seconds is the same, don't waste cycles setting those segments.
+                pos = 8;
+                sprintf(buf, "%02d", date_time.unit.second);
+            } else if (date_time.reg >> 12 == previous_date_time >> 12 && event.event_type != EVENT_SCREENSAVER) {
+                // everything before minutes is the same.
+                pos = 6;
+                sprintf(buf, "%02d%02d", date_time.unit.minute, date_time.unit.second);
+            } else {
+                // other stuff changed; let's do it all.
+                if (!settings->bit.clock_mode_24h) {
+                    // if we are in 12 hour mode, do some cleanup.
+                    if (date_time.unit.hour < 12) {
+                        watch_clear_indicator(WATCH_INDICATOR_PM);
+                    } else {
+                        watch_set_indicator(WATCH_INDICATOR_PM);
+                    }
+                    date_time.unit.hour %= 12;
+                    if (date_time.unit.hour == 0) date_time.unit.hour = 12;
+                }
+                pos = 0;
+                if (event.event_type == EVENT_SCREENSAVER) {
+                    sprintf(buf, "%s%2d%2d%02d  ", weekdays[simple_clock_widget_get_weekday(date_time.unit.year, date_time.unit.month, date_time.unit.day)], date_time.unit.day, date_time.unit.hour, date_time.unit.minute);
+                } else {
+                    sprintf(buf, "%s%2d%2d%02d%02d", weekdays[simple_clock_widget_get_weekday(date_time.unit.year, date_time.unit.month, date_time.unit.day)], date_time.unit.day, date_time.unit.hour, date_time.unit.minute, date_time.unit.second);
+                }
+            }
+            watch_display_string(buf, pos);
+            break;
+        case EVENT_MODE_BUTTON_UP:
+            movement_move_to_next_widget();
+            return false;
+        case EVENT_LIGHT_BUTTON_UP:
+            movement_illuminate_led();
+            break;
+        case EVENT_ALARM_BUTTON_UP:
+            break;
+        default:
+            break;
+    }
+
+    return true;
+}
+
+void simple_clock_widget_resign(LauncherSettings *settings, void *context) {
+    (void) settings;
+    (void) context;
+}
+
+uint8_t simple_clock_widget_get_weekday(uint16_t year, uint16_t month, uint16_t day) {
+    year += 20;
+    if (month <= 2) {
+        month += 12;
+        year--;
+    }
+    return (day + 13 * (month + 1) / 5 + year + year / 4 + 525) % 7;
+}
diff --git a/movement/widgets/clock/simple_clock_widget.h b/movement/widgets/clock/simple_clock_widget.h
new file mode 100644
index 00000000..3bf4c9a3
--- /dev/null
+++ b/movement/widgets/clock/simple_clock_widget.h
@@ -0,0 +1,20 @@
+#ifndef SIMPLE_CLOCK_WIDGET_H_
+#define SIMPLE_CLOCK_WIDGET_H_
+
+#include "movement.h"
+
+void simple_clock_widget_setup(LauncherSettings *settings, void ** context_ptr);
+void simple_clock_widget_activate(LauncherSettings *settings, void *context);
+bool simple_clock_widget_loop(LauncherEvent event, LauncherSettings *settings, void *context);
+void simple_clock_widget_resign(LauncherSettings *settings, void *context);
+
+uint8_t simple_clock_widget_get_weekday(uint16_t day, uint16_t month, uint16_t year);
+
+#define simple_clock_widget { \
+    simple_clock_widget_setup, \
+    simple_clock_widget_activate, \
+    simple_clock_widget_loop, \
+    simple_clock_widget_resign, \
+}
+
+#endif // FAKE_WIDGET_H_
\ No newline at end of file
diff --git a/movement/widgets/complications/pulseometer_widget.c b/movement/widgets/complications/pulseometer_widget.c
new file mode 100644
index 00000000..6384685a
--- /dev/null
+++ b/movement/widgets/complications/pulseometer_widget.c
@@ -0,0 +1,87 @@
+#include <stdlib.h>
+#include <string.h>
+#include "pulseometer_widget.h"
+#include "watch.h"
+
+#define PULSOMETER_WIDGET_FREQUENCY_FACTOR (4ul) // refresh rate will be 2 to this power Hz (0 for 1 Hz, 2 for 4 Hz, etc.)
+#define PULSOMETER_WIDGET_FREQUENCY (1 << PULSOMETER_WIDGET_FREQUENCY_FACTOR)
+
+void pulseometer_widget_setup(LauncherSettings *settings, void ** context_ptr) {
+    (void) settings;
+    if (*context_ptr == NULL) *context_ptr = malloc(sizeof(PulsometerState));
+}
+
+void pulseometer_widget_activate(LauncherSettings *settings, void *context) {
+    (void) settings;
+    memset(context, 0, sizeof(PulsometerState));
+}
+
+bool pulseometer_widget_loop(LauncherEvent event, LauncherSettings *settings, void *context) {
+    printf("pulseometer_widget_loop\n");
+    (void) settings;
+    PulsometerState *pulsometer_state = (PulsometerState *)context;
+    char buf[14];
+    switch (event.event_type) {
+        case EVENT_TICK:
+            if (pulsometer_state->pulse == 0 && !pulsometer_state->measuring) {
+                switch (pulsometer_state->ticks % 5) {
+                    case 0:
+                        watch_display_string("  Hold  ", 2);
+                        break;
+                    case 1:
+                        watch_display_string(" Alarn", 4);
+                        break;
+                    case 2:
+                        watch_display_string("+   Count ", 0);
+                        break;
+                    case 3:
+                        watch_display_string("  30Beats ", 0);
+                        break;
+                    case 4:
+                        watch_clear_display();
+                        break;
+                }
+                pulsometer_state->ticks = (pulsometer_state->ticks + 1) % 5;
+            } else {
+                if (pulsometer_state->measuring && pulsometer_state->ticks) {
+                    pulsometer_state->pulse = (int16_t)((30.0 * ((float)(60 << PULSOMETER_WIDGET_FREQUENCY_FACTOR) / (float)pulsometer_state->ticks)) + 0.5);
+                }
+                if (pulsometer_state->pulse > 240) {
+                    watch_display_string("        Hi", 0);
+                } else if (pulsometer_state->pulse < 40) {
+                    watch_display_string("        Lo", 0);
+                } else {
+                    sprintf(buf, "    %-3dbpn", pulsometer_state->pulse);
+                    watch_display_string(buf, 0);
+                }
+                if (pulsometer_state->measuring) pulsometer_state->ticks++;
+            }
+            return false;
+        case EVENT_MODE_BUTTON_UP:
+            movement_move_to_next_widget();
+            return false;
+        case EVENT_LIGHT_BUTTON_UP:
+            movement_illuminate_led();
+            break;
+        case EVENT_ALARM_BUTTON_DOWN:
+            pulsometer_state->ticks = 0;
+            pulsometer_state->pulse = 0xFFFF;
+            pulsometer_state->measuring = true;
+            movement_request_tick_frequency(PULSOMETER_WIDGET_FREQUENCY);
+            break;
+        case EVENT_ALARM_BUTTON_UP:
+        case EVENT_ALARM_LONG_PRESS:
+            pulsometer_state->measuring = false;
+            movement_request_tick_frequency(1);
+            break;
+        default:
+            break;
+    }
+
+    return true;
+}
+
+void pulseometer_widget_resign(LauncherSettings *settings, void *context) {
+    (void) settings;
+    (void) context;
+}
diff --git a/movement/widgets/complications/pulseometer_widget.h b/movement/widgets/complications/pulseometer_widget.h
new file mode 100644
index 00000000..e5947660
--- /dev/null
+++ b/movement/widgets/complications/pulseometer_widget.h
@@ -0,0 +1,24 @@
+#ifndef PULSEOMETER_WIDGET_H_
+#define PULSEOMETER_WIDGET_H_
+
+#include "movement.h"
+
+typedef struct {
+    bool measuring;
+    int16_t pulse;
+    int16_t ticks;
+} PulsometerState;
+
+void pulseometer_widget_setup(LauncherSettings *settings, void ** context_ptr);
+void pulseometer_widget_activate(LauncherSettings *settings, void *context);
+bool pulseometer_widget_loop(LauncherEvent event, LauncherSettings *settings, void *context);
+void pulseometer_widget_resign(LauncherSettings *settings, void *context);
+
+#define pulseometer_widget { \
+    pulseometer_widget_setup, \
+    pulseometer_widget_activate, \
+    pulseometer_widget_loop, \
+    pulseometer_widget_resign, \
+}
+
+#endif // PULSEOMETER_WIDGET_H_
\ No newline at end of file
diff --git a/movement/widgets/settings/preferences_widget.c b/movement/widgets/settings/preferences_widget.c
new file mode 100644
index 00000000..c4537329
--- /dev/null
+++ b/movement/widgets/settings/preferences_widget.c
@@ -0,0 +1,120 @@
+#include <stdlib.h>
+#include "preferences_widget.h"
+#include "watch.h"
+
+#define PREFERENCES_WIDGET_NUM_PREFEFENCES (5)
+const char preferences_widget_titles[PREFERENCES_WIDGET_NUM_PREFEFENCES][11] = {"CL        ", "Bt  Beep  ", "SC        ", "Lt   grn  ", "Lt   red  "};
+
+void preferences_widget_setup(LauncherSettings *settings, void ** context_ptr) {
+    (void) settings;
+    if (*context_ptr == NULL) *context_ptr = malloc(sizeof(uint8_t));
+}
+
+void preferences_widget_activate(LauncherSettings *settings, void *context) {
+    (void) settings;
+    *((uint8_t *)context) = 0;
+    movement_request_tick_frequency(4); // we need to manually blink some pixels
+}
+
+bool preferences_widget_loop(LauncherEvent event, LauncherSettings *settings, void *context) {
+    printf("preferences_widget_loop\n");
+    uint8_t current_page = *((uint8_t *)context);
+    switch (event.event_type) {
+        case EVENT_MODE_BUTTON_UP:
+            watch_set_led_off();
+            movement_move_to_next_widget();
+            return false;
+        case EVENT_LIGHT_BUTTON_UP:
+            current_page = (current_page + 1) % PREFERENCES_WIDGET_NUM_PREFEFENCES;
+            *((uint8_t *)context) = current_page;
+            break;
+        case EVENT_ALARM_BUTTON_UP:
+            switch (current_page) {
+                case 0:
+                    settings->bit.clock_mode_24h = !(settings->bit.clock_mode_24h);
+                    break;
+                case 1:
+                    settings->bit.button_should_sound = !(settings->bit.button_should_sound);
+                    break;
+                case 2:
+                    settings->bit.screensaver_interval = settings->bit.screensaver_interval + 1;
+                    break;
+                case 3:
+                    settings->bit.led_green_color = settings->bit.led_green_color + 1;
+                    break;
+                case 4:
+                    settings->bit.led_red_color = settings->bit.led_red_color + 1;
+                    break;
+            }
+            break;
+        default:
+            break;
+    }
+
+    watch_display_string((char *)preferences_widget_titles[current_page], 0);
+
+    if (event.subsecond % 2) return current_page <= 2;
+    char buf[3];
+    switch (current_page) {
+        case 0:
+            if (settings->bit.clock_mode_24h) watch_display_string("24h", 4);
+            else watch_display_string("12h", 4);
+            break;
+        case 1:
+            if (settings->bit.button_should_sound) watch_display_string("y", 9);
+            else watch_display_string("n", 9);
+            break;
+        case 2:
+            switch (settings->bit.screensaver_interval) {
+                case 0:
+                    watch_display_string(" never", 4);
+                    break;
+                case 1:
+                    watch_display_string("1 hour", 4);
+                    break;
+                case 2:
+                    watch_display_string("2 hour", 4);
+                    break;
+                case 3:
+                    watch_display_string("6 hour", 4);
+                    break;
+                case 4:
+                    watch_display_string("12 hr", 4);
+                    break;
+                case 5:
+                    watch_display_string(" 1 day", 4);
+                    break;
+                case 6:
+                    watch_display_string(" 2 day", 4);
+                    break;
+                case 7:
+                    watch_display_string(" 7 day", 4);
+                    break;
+            }
+            break;
+        case 3:
+            sprintf(buf, "%2d", settings->bit.led_green_color);
+            watch_display_string(buf, 8);
+            break;
+        case 4:
+            sprintf(buf, "%2d", settings->bit.led_red_color);
+            watch_display_string(buf, 8);
+            break;
+    }
+
+    if (current_page > 2) {
+        watch_set_led_color(settings->bit.led_red_color ? (0xF | settings->bit.led_red_color << 4) : 0,
+                            settings->bit.led_green_color ? (0xF | settings->bit.led_green_color << 4) : 0);
+        return false;
+    }
+
+    watch_set_led_off();
+    return true;
+}
+
+void preferences_widget_resign(LauncherSettings *settings, void *context) {
+    (void) settings;
+    (void) context;
+    watch_set_led_off();
+    movement_request_tick_frequency(1);
+}
diff --git a/movement/widgets/settings/preferences_widget.h b/movement/widgets/settings/preferences_widget.h
new file mode 100644
index 00000000..3d463027
--- /dev/null
+++ b/movement/widgets/settings/preferences_widget.h
@@ -0,0 +1,18 @@
+#ifndef PREFERENCES_WIDGET_H_
+#define PREFERENCES_WIDGET_H_
+
+#include "movement.h"
+
+void preferences_widget_setup(LauncherSettings *settings, void ** context_ptr);
+void preferences_widget_activate(LauncherSettings *settings, void *context);
+bool preferences_widget_loop(LauncherEvent event, LauncherSettings *settings, void *context);
+void preferences_widget_resign(LauncherSettings *settings, void *context);
+
+#define preferences_widget { \
+    preferences_widget_setup, \
+    preferences_widget_activate, \
+    preferences_widget_loop, \
+    preferences_widget_resign, \
+}
+
+#endif // PREFERENCES_WIDGET_H_
\ No newline at end of file
diff --git a/movement/widgets/settings/set_time_widget.c b/movement/widgets/settings/set_time_widget.c
new file mode 100644
index 00000000..9464eb5b
--- /dev/null
+++ b/movement/widgets/settings/set_time_widget.c
@@ -0,0 +1,109 @@
+#include <stdlib.h>
+#include "set_time_widget.h"
+#include "watch.h"
+
+#define SET_TIME_WIDGET_NUM_SETTINGS (6)
+const char set_time_widget_titles[SET_TIME_WIDGET_NUM_SETTINGS][3] = {"HR", "MN", "SE", "YR", "MO", "DA"};
+
+void set_time_widget_setup(LauncherSettings *settings, void ** context_ptr) {
+    (void) settings;
+    if (*context_ptr == NULL) *context_ptr = malloc(sizeof(uint8_t));
+}
+
+void set_time_widget_activate(LauncherSettings *settings, void *context) {
+    (void) settings;
+    *((uint8_t *)context) = 0;
+    movement_request_tick_frequency(4);
+}
+
+bool set_time_widget_loop(LauncherEvent event, LauncherSettings *settings, void *context) {
+    uint8_t current_page = *((uint8_t *)context);
+    const uint8_t days_in_month[12] = {31, 28, 31, 30, 31, 30, 30, 31, 30, 31, 30, 31};
+    watch_date_time date_time = watch_rtc_get_date_time();
+
+    switch (event.event_type) {
+        case EVENT_MODE_BUTTON_UP:
+            movement_move_to_next_widget();
+            return false;
+        case EVENT_LIGHT_BUTTON_UP:
+            current_page = (current_page + 1) % SET_TIME_WIDGET_NUM_SETTINGS;
+            *((uint8_t *)context) = current_page;
+            break;
+        case EVENT_ALARM_BUTTON_UP:
+            switch (current_page) {
+                case 0: // hour
+                    date_time.unit.hour = (date_time.unit.hour + 1) % 24;
+                    break;
+                case 1: // minute
+                    date_time.unit.minute = (date_time.unit.minute + 1) % 60;
+                    break;
+                case 2: // second
+                    date_time.unit.second = 0;
+                    break;
+                case 3: // year
+                    // only allow 2021-2030. fix this sometime next decade
+                    date_time.unit.year = ((date_time.unit.year % 10) + 1);
+                    break;
+                case 4: // month
+                    date_time.unit.month = (date_time.unit.month % 12) + 1;
+                    break;
+                case 5: // day
+                    date_time.unit.day = date_time.unit.day + 1;
+                    // can't set to the 29th on a leap year. if it's february 29, set to 11:59 on the 28th.
+                    // and it should roll over.
+                    if (date_time.unit.day > days_in_month[date_time.unit.month - 1]) {
+                        date_time.unit.day = 1;
+                    }
+                    break;
+            }
+            watch_rtc_set_date_time(date_time);
+            break;
+        default:
+            break;
+    }
+
+    char buf[11];
+    if (current_page < 3) {
+        watch_set_colon();
+        if (settings->bit.clock_mode_24h) {
+            watch_set_indicator(WATCH_INDICATOR_24H);
+            sprintf(buf, "%s  %2d%02d%02d", set_time_widget_titles[current_page], date_time.unit.hour, date_time.unit.minute, date_time.unit.second);
+        } else {
+            sprintf(buf, "%s  %2d%02d%02d", set_time_widget_titles[current_page], (date_time.unit.hour % 12) ? (date_time.unit.hour % 12) : 12, date_time.unit.minute, date_time.unit.second);
+            if (date_time.unit.hour > 12) watch_set_indicator(WATCH_INDICATOR_PM);
+            else watch_clear_indicator(WATCH_INDICATOR_PM);
+        }
+    } else {
+        watch_clear_colon();
+        watch_clear_indicator(WATCH_INDICATOR_24H);
+        watch_clear_indicator(WATCH_INDICATOR_PM);
+        sprintf(buf, "%s  %2d%02d%02d", set_time_widget_titles[current_page], date_time.unit.year + 20, date_time.unit.month, date_time.unit.day);
+    }
+    if (event.subsecond % 2) {
+        switch (current_page) {
+            case 0:
+            case 3:
+                buf[4] = buf[5] = ' ';
+                break;
+            case 1:
+            case 4:
+                buf[6] = buf[7] = ' ';
+                break;
+            case 2:
+            case 5:
+                buf[8] = buf[9] = ' ';
+                break;
+        }
+    }
+
+    watch_display_string(buf, 0);
+
+    return true;
+}
+
+void set_time_widget_resign(LauncherSettings *settings, void *context) {
+    (void) settings;
+    (void) context;
+    watch_set_led_off();
+    movement_request_tick_frequency(1);
+}
diff --git a/movement/widgets/settings/set_time_widget.h b/movement/widgets/settings/set_time_widget.h
new file mode 100644
index 00000000..363fd571
--- /dev/null
+++ b/movement/widgets/settings/set_time_widget.h
@@ -0,0 +1,18 @@
+#ifndef SET_TIME_WIDGET_H_
+#define SET_TIME_WIDGET_H_
+
+#include "movement.h"
+
+void set_time_widget_setup(LauncherSettings *settings, void ** context_ptr);
+void set_time_widget_activate(LauncherSettings *settings, void *context);
+bool set_time_widget_loop(LauncherEvent event, LauncherSettings *settings, void *context);
+void set_time_widget_resign(LauncherSettings *settings, void *context);
+
+#define set_time_widget { \
+    set_time_widget_setup, \
+    set_time_widget_activate, \
+    set_time_widget_loop, \
+    set_time_widget_resign, \
+}
+
+#endif // SET_TIME_WIDGET_H_