More clock-like lvgl

examples/lvgl/main.c

@@ -1,23 +1,74 @@
 #include <stdio.h>
 
 #include <libtock-sync/display/screen.h>
+#include <libtock-sync/peripherals/rtc.h>
 #include <libtock-sync/services/alarm.h>
 
 #include <lvgl/lvgl.h>
 
 #include "lvgl_driver.h"
 
-/*static void event_handler(lv_event_t* e) {
- lv_event_code_t code = lv_event_get_code(e);
- unsigned int* seconds = (unsigned int*)lv_event_get_user_data(e);
+libtock_rtc_date_t date;
+uint32_t reference = 0;
+lv_obj_t* label1;
+lv_obj_t* seconds_lbl;
+lv_obj_t* batt_lbl;
+libtock_alarm_t rtc_alarm;
+libtock_alarm_t update_alarm;
+char label1_buffer[8];
+char seconds_buffer[4];
+char batt_buffer[8];
+
+void rtc_callback(uint32_t now, uint32_t scheduled, void* ud);
+
+void rtc_done(returncode_t success, libtock_rtc_date_t new_date) {
+ date = new_date;
+ libtock_alarm_command_read(&reference);
+ date.hour += 24 - 7;
+ date.hour = date.hour % 24;
+ libtock_alarm_in_ms(60000, rtc_callback, &date, &rtc_alarm);
+}
+
+void rtc_callback(uint32_t now, uint32_t scheduled, void* ud) {
+ //libtock_rtc_get_date(rtc_done);
+}
+
+void update_callback(uint32_t now, uint32_t scheduled, void* ud) {
+
+ uint16_t sample;
+ int err = libtocksync_adc_sample(0, &sample);
+ if (err == 0) {
+ sprintf(batt_buffer, "%d", sample);
+ } else {
+ sprintf(batt_buffer, "Err");
+ }
+ lv_label_set_text(batt_lbl, batt_buffer);
+
+ uint32_t diff_seconds = libtock_alarm_ticks_to_ms(now - reference) / 1000;
 
- if (code == LV_EVENT_CLICKED) {
- LV_LOG_USER("Clicked");
- *seconds = 0;
- } else if (code == LV_EVENT_VALUE_CHANGED) {
- LV_LOG_USER("Toggled");
+ int seconds = date.seconds + diff_seconds;
+ int minutes = date.minute + seconds / 60;
+ int hours = date.hour + minutes / 60;
+
+ seconds = seconds % 60;
+ minutes = minutes % 60;
+ hours = hours % 24;
+
+ const char *ampm = "am";
+ if (date.hour > 12) {
+ ampm = "pm";
  }
-}*/
+ hours = hours % 12;
+
+ sprintf(label1_buffer, "%02d:%02d%s", hours, minutes, ampm);
+ lv_label_set_text(label1, label1_buffer);
+ sprintf(seconds_buffer, "%02d", seconds);
+ lv_label_set_text(seconds_lbl, seconds_buffer);
+
+ lv_task_handler();
+ lv_tick_inc(LV_DEF_REFR_PERIOD);
+ libtock_alarm_in_ms(1000, update_callback, &date, &update_alarm);
+}
 
 int main(void) {
  libtocksync_screen_set_brightness(100);
@@ -31,31 +82,25 @@ int main(void) {
  lv_obj_set_height(obj1, lv_pct(100));
  lv_obj_set_width(obj1, lv_pct(100));
 
- lv_obj_t* label1 = lv_label_create(scr);
-
- lv_label_set_text(label1, "Hello world!");
+ batt_lbl = lv_label_create(scr);
+ lv_label_set_text(batt_lbl, "???");
+ lv_obj_align(batt_lbl, LV_ALIGN_TOP_LEFT, 0, 0);
 
+ label1 = lv_label_create(scr);
+ lv_label_set_text(label1, "00:00am");
  lv_obj_align(label1, LV_ALIGN_CENTER, 0, 0);
 
- lv_obj_t* btn1 = lv_btn_create(scr);
- //lv_obj_add_event_cb(btn1, event_handler, LV_EVENT_ALL, &seconds);
- lv_obj_align(btn1, LV_ALIGN_CENTER, 0, -40);
-
- lv_obj_t* label = lv_label_create(btn1);
- lv_label_set_text(label, "Reset");
- lv_obj_center(label);
+ seconds_lbl = lv_label_create(scr);
+ lv_label_set_text(seconds_lbl, "00");
+ lv_obj_align(seconds_lbl, LV_ALIGN_CENTER, 0, 40);
 
  lv_task_handler();
 
- int seconds = 0;
+ libtock_alarm_in_ms(1, rtc_callback, &date, &rtc_alarm);
+ libtock_alarm_in_ms(1, update_callback, &date, &update_alarm);
+
  while (1) {
- libtocksync_alarm_delay_ms(1000);
- seconds++;
- char buffer[100];
- int written = snprintf(buffer, sizeof(buffer), "%d", seconds);
- lv_label_set_text(label1, buffer);
- lv_task_handler();
- lv_tick_inc(LV_DEF_REFR_PERIOD);
+ yield();
  }
 
  } else {