1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include "watch.h"
#include "launcher.h"
#include "launcher_config.h"
LauncherState launcher_state;
void * widget_contexts[LAUNCHER_NUM_WIDGETS];
const int32_t launcher_screensaver_deadlines[8] = {INT_MAX, 3600, 7200, 21600, 43200, 86400, 172800, 604800};
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 _launcher_reset_screensaver_countdown() {
// for testing, make the timeout happen 60x faster.
launcher_state.screensaver_ticks = launcher_screensaver_deadlines[launcher_state.launcher_settings.bit.screensaver_interval] / 60;
}
void launcher_request_tick_frequency(uint8_t freq) {
watch_rtc_disable_all_periodic_callbacks();
launcher_state.subsecond = 0;
launcher_state.tick_frequency = freq;
watch_rtc_register_periodic_callback(cb_tick, freq);
}
void launcher_illuminate_led() {
launcher_state.light_ticks = 3;
}
void launcher_move_to_widget(uint8_t widget_index) {
launcher_state.widget_changed = true;
widgets[launcher_state.current_widget].resign(&launcher_state.launcher_settings, widget_contexts[launcher_state.current_widget]);
launcher_state.current_widget = widget_index;
watch_clear_display();
widgets[launcher_state.current_widget].activate(&launcher_state.launcher_settings, widget_contexts[launcher_state.current_widget]);
widgets[launcher_state.current_widget].loop(EVENT_ACTIVATE, &launcher_state.launcher_settings, launcher_state.subsecond, widget_contexts[launcher_state.current_widget]);
}
void launcher_move_to_next_widget() {
launcher_move_to_widget((launcher_state.current_widget + 1) % LAUNCHER_NUM_WIDGETS);
}
void app_init() {
memset(&launcher_state, 0, sizeof(launcher_state));
launcher_state.launcher_settings.bit.led_green_color = 0xF;
launcher_state.launcher_settings.bit.button_should_sound = true;
launcher_state.launcher_settings.bit.screensaver_interval = 1;
_launcher_reset_screensaver_countdown();
}
void app_wake_from_deep_sleep() {
// This app does not support deep sleep mode.
}
void app_setup() {
if (launcher_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();
launcher_request_tick_frequency(1);
for(uint8_t i = 0; i < LAUNCHER_NUM_WIDGETS; i++) {
widgets[i].setup(&launcher_state.launcher_settings, &widget_contexts[i]);
}
widgets[0].activate(&launcher_state.launcher_settings, widget_contexts[launcher_state.current_widget]);
widgets[0].loop(EVENT_ACTIVATE, &launcher_state.launcher_settings, 0, widget_contexts[launcher_state.current_widget]);
}
}
void app_prepare_for_sleep() {
}
void app_wake_from_sleep() {
}
LauncherEvent event;
bool app_loop() {
// play a beep if the widget has changed in response to a user's press of the MODE button
if (launcher_state.widget_changed) {
// low note for nonzero case, high note for return to widget 0
if (launcher_state.launcher_settings.bit.button_should_sound) {
watch_buzzer_play_note(launcher_state.current_widget ? BUZZER_NOTE_C7 : BUZZER_NOTE_C8, 50);
}
launcher_state.widget_changed = false;
}
// If the LED is off and should be on, turn it on
if (launcher_state.light_ticks > 0 && !launcher_state.led_on) {
watch_set_led_color(launcher_state.launcher_settings.bit.led_red_color ? (0xF | launcher_state.launcher_settings.bit.led_red_color << 4) : 0,
launcher_state.launcher_settings.bit.led_green_color ? (0xF | launcher_state.launcher_settings.bit.led_green_color << 4) : 0);
launcher_state.led_on = true;
}
// if the LED is on and should be off, turn it off
if (launcher_state.led_on && launcher_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)) {
launcher_state.light_ticks = 3;
} else {
watch_set_led_off();
launcher_state.led_on = false;
}
}
// if we have timed out of our screensaver countdown, enter screensaver mode.
if (launcher_state.screensaver_ticks == 0) {
launcher_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);
widgets[launcher_state.current_widget].loop(EVENT_SCREENSAVER, &launcher_state.launcher_settings, 0, widget_contexts[launcher_state.current_widget]);
event = EVENT_SCREENSAVER;
watch_enter_shallow_sleep(true);
}
if (event) {
widgets[launcher_state.current_widget].loop(event, &launcher_state.launcher_settings, launcher_state.subsecond, widget_contexts[launcher_state.current_widget]);
event = 0;
}
if (launcher_state.led_on) return false;
return true;
}
LauncherEvent _figure_out_button_event(LauncherEvent 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() {
_launcher_reset_screensaver_countdown();
event = _figure_out_button_event(EVENT_LIGHT_BUTTON_DOWN, &launcher_state.light_down_timestamp);
}
void cb_mode_btn_interrupt() {
_launcher_reset_screensaver_countdown();
event = _figure_out_button_event(EVENT_MODE_BUTTON_DOWN, &launcher_state.mode_down_timestamp);
}
void cb_alarm_btn_interrupt() {
_launcher_reset_screensaver_countdown();
event = _figure_out_button_event(EVENT_ALARM_BUTTON_DOWN, &launcher_state.alarm_down_timestamp);
}
void cb_alarm_btn_extwake() {
_launcher_reset_screensaver_countdown();
// this is a hack: waking from shallow sleep, app_setup does get called, but it happens before we reset our ticks.
// need to figure out if there's a better heuristic for determining how we woke up.
app_setup();
}
void cb_alarm_fired() {
event = EVENT_SCREENSAVER;
}
void cb_tick() {
event = EVENT_TICK;
watch_date_time date_time = watch_rtc_get_date_time();
if (date_time.unit.second != launcher_state.last_second) {
if (launcher_state.light_ticks) launcher_state.light_ticks--;
if (launcher_state.launcher_settings.bit.screensaver_interval && launcher_state.screensaver_ticks > 0) launcher_state.screensaver_ticks--;
launcher_state.last_second = date_time.unit.second;
launcher_state.subsecond = 0;
} else {
launcher_state.subsecond++;
}
}
|
