--- /dev/null
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include "watch.h"
+
+const uint8_t UTC_OFFSET = 4; // set to your current UTC offset to see correct beats time
+
+typedef enum ApplicationMode {
+ MODE_CLOCK = 0, // Displays month, day and current time.
+ MODE_BEATS,
+ MODE_SET, // (ST) Set time and date
+ NUM_MODES // Last item in the enum, it's the number of cases.
+} ApplicationMode;
+
+
+typedef struct ApplicationState {
+ // Internal application state
+ ApplicationMode mode; // Current mode
+ bool mode_changed; // Lets us perform one-time setup for a given mode
+ uint16_t mode_ticks; // Timeout for the mode (returns to clock after timeout expires)
+ uint8_t light_ticks; // Timeout for the light
+ bool led_on; // Indicates that the LED is on
+ uint8_t page; // Tracks the current page in log, prefs or settings.
+} ApplicationState;
+
+void do_clock_mode();
+void do_beats_mode();
+void do_set_time_mode();
+void set_time_mode_handle_primary_button();
+void set_time_mode_handle_secondary_button();
+
+uint16_t clock2beats(uint16_t, uint16_t, uint16_t, int16_t);
+
+void cb_light_pressed();
+void cb_mode_pressed();
+void cb_alarm_pressed();
+void cb_tick();
+
+ApplicationState application_state;
+char buf[16] = {0};
+
+/**
+ * @brief Zeroes out the application state struct.
+ */
+void app_init() {
+ memset(&application_state, 0, sizeof(application_state));
+}
+
+void app_wake_from_deep_sleep() {
+ // This app does not support deep sleep mode.
+}
+
+void app_setup() {
+ struct calendar_date_time date_time;
+ watch_get_date_time(&date_time);
+ if (date_time.date.year < 2020) {
+ date_time.date.year = 2020;
+ watch_set_date_time(date_time);
+ }
+
+ watch_enable_external_interrupts();
+ watch_register_interrupt_callback(BTN_MODE, cb_mode_pressed, INTERRUPT_TRIGGER_RISING);
+ watch_register_interrupt_callback(BTN_LIGHT, cb_light_pressed, INTERRUPT_TRIGGER_RISING);
+ watch_register_extwake_callback(BTN_ALARM, cb_alarm_pressed, true);
+
+ watch_enable_buzzer();
+ watch_enable_leds();
+ watch_enable_display();
+
+ watch_register_tick_callback(cb_tick);
+}
+
+void app_prepare_for_sleep() {
+}
+
+void app_wake_from_sleep() {
+}
+
+bool app_loop() {
+ // play a beep if the mode has changed in response to a user's press of the MODE button
+ if (application_state.mode_changed) {
+ // low note for nonzero case, high note for return to clock
+ watch_buzzer_play_note(application_state.mode ? BUZZER_NOTE_C7 : BUZZER_NOTE_C8, 100);
+ application_state.mode_changed = false;
+ }
+
+ // If the user is not in clock mode and the mode timeout has expired, return them to clock mode
+ if (application_state.mode != MODE_CLOCK && application_state.mode_ticks == 0) {
+ application_state.mode = MODE_CLOCK;
+ application_state.mode_changed = true;
+ }
+
+ // If the LED is off and should be on, turn it on
+ if (application_state.light_ticks > 0 && !application_state.led_on) {
+ watch_set_led_green();
+ application_state.led_on = true;
+ }
+
+ // if the LED is on and should be off, turn it off
+ if (application_state.led_on && application_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)) {
+ application_state.light_ticks = 3;
+ } else {
+ watch_set_led_off();
+ application_state.led_on = false;
+ }
+ }
+
+ switch (application_state.mode) {
+ case MODE_CLOCK:
+ do_clock_mode();
+ break;
+ case MODE_BEATS:
+ do_beats_mode();
+ break;
+ case MODE_SET:
+ do_set_time_mode();
+ break;
+ case NUM_MODES:
+ // dummy case, just silences a warning
+ break;
+ }
+
+ application_state.mode_changed = false;
+
+ return true;
+}
+
+void do_clock_mode() {
+ struct calendar_date_time date_time;
+ const char months[12][3] = {"JA", "FE", "MR", "AR", "MA", "JN", "JL", "AU", "SE", "OC", "NO", "dE"};
+
+ watch_get_date_time(&date_time);
+ watch_display_string((char *)months[date_time.date.month - 1], 0);
+ sprintf(buf, "%2d%2d%02d%02d", date_time.date.day, date_time.time.hour, date_time.time.min, date_time.time.sec);
+ watch_display_string(buf, 2);
+ watch_set_colon();
+}
+
+void do_beats_mode() {
+ watch_clear_colon();
+
+ struct calendar_date_time date_time;
+
+ watch_get_date_time(&date_time);
+
+ uint16_t beats = clock2beats(date_time.time.hour, date_time.time.min, date_time.time.sec, UTC_OFFSET);
+ sprintf(buf, "bt %04d ", beats);
+
+ watch_display_string(buf, 0);
+}
+
+uint16_t clock2beats(uint16_t hours, uint16_t minutes, uint16_t seconds, int16_t utc_offset) {
+ uint32_t beats = seconds;
+ beats += 60 * minutes;
+ beats += (uint32_t)hours * 60 * 60;
+ beats += (utc_offset + 1) * 60 * 60; // offset from utc + 1 since beats in in UTC+1
+
+ beats /= 86.4; // convert to beats
+ beats %= 1000; // truncate to 3 digits for overflow
+
+ return (uint16_t) beats;
+}
+
+void do_set_time_mode() {
+ struct calendar_date_time date_time;
+
+ watch_get_date_time(&date_time);
+ watch_display_string(" ", 0);
+ switch (application_state.page) {
+ case 0: // hour
+ sprintf(buf, "ST t%2d", date_time.time.hour);
+ break;
+ case 1: // minute
+ sprintf(buf, "ST t %02d", date_time.time.min);
+ break;
+ case 2: // second
+ sprintf(buf, "ST t %02d", date_time.time.sec);
+ break;
+ case 3: // year
+ sprintf(buf, "ST d%2d", date_time.date.year - 2000);
+ break;
+ case 4: // month
+ sprintf(buf, "ST d %02d", date_time.date.month);
+ break;
+ case 5: // day
+ sprintf(buf, "ST d %02d", date_time.date.day);
+ break;
+ }
+ watch_display_string(buf, 0);
+ watch_set_pixel(1, 12); // required for T in position 1
+}
+
+void set_time_mode_handle_primary_button() {
+ application_state.page++;
+ if (application_state.page == 6) application_state.page = 0;
+}
+
+void set_time_mode_handle_secondary_button() {
+ struct calendar_date_time date_time;
+ watch_get_date_time(&date_time);
+ const uint8_t days_in_month[12] = {31, 28, 31, 30, 31, 30, 30, 31, 30, 31, 30, 31};
+
+ switch (application_state.page) {
+ case 0: // hour
+ date_time.time.hour = (date_time.time.hour + 1) % 24;
+ break;
+ case 1: // minute
+ date_time.time.min = (date_time.time.min + 1) % 60;
+ break;
+ case 2: // second
+ date_time.time.sec = 0;
+ break;
+ case 3: // year
+ // only allow 2021-2030. fix this sometime next decade
+ date_time.date.year = ((date_time.date.year % 10) + 1) + 2020;
+ break;
+ case 4: // month
+ date_time.date.month = ((date_time.date.month + 1) % 12);
+ break;
+ case 5: // day
+ date_time.date.day = date_time.date.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.date.day > days_in_month[date_time.date.month - 1]) {
+ date_time.date.day = 1;
+ }
+ break;
+ }
+ watch_set_date_time(date_time);
+}
+
+void cb_mode_pressed() {
+ application_state.mode = (application_state.mode + 1) % NUM_MODES;
+ application_state.mode_changed = true;
+ application_state.mode_ticks = 300;
+ application_state.page = 0;
+}
+
+void cb_light_pressed() {
+ switch (application_state.mode) {
+ case MODE_SET:
+ set_time_mode_handle_secondary_button();
+ break;
+ default:
+ application_state.light_ticks = 3;
+ break;
+ }
+}
+
+void cb_alarm_pressed() {
+ switch (application_state.mode) {
+ case MODE_SET:
+ set_time_mode_handle_primary_button();
+ break;
+ default:
+ break;
+ }
+}
+
+void cb_tick() {
+ if (application_state.light_ticks > 0) {
+ application_state.light_ticks--;
+ }
+ if (application_state.mode_ticks > 0) {
+ application_state.mode_ticks--;
+ }
+}
projects / sensor-watch.git / commitdiff