Simplified stopwatch lap buffer
Overriding the earlier laps doesn't seem like a good idea.
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1467324c50
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@ -1,10 +1,6 @@
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#include "displayapp/screens/StopWatch.h"
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#include "displayapp/screens/Screen.h"
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#include "displayapp/screens/Symbols.h"
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#include <lvgl/lvgl.h>
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#include <FreeRTOS.h>
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#include <task.h>
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using namespace Pinetime::Applications::Screens;
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@ -30,15 +26,7 @@ namespace {
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}
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}
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StopWatch::StopWatch(DisplayApp* app, System::SystemTask& systemTask)
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: Screen(app),
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systemTask {systemTask},
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currentState {States::Init},
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startTime {},
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oldTimeElapsed {},
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currentTimeSeparated {},
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lapBuffer {},
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lapNr {} {
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StopWatch::StopWatch(DisplayApp* app, System::SystemTask& systemTask) : Screen(app), systemTask {systemTask} {
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time = lv_label_create(lv_scr_act(), nullptr);
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lv_obj_set_style_local_text_font(time, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, &jetbrains_mono_76);
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@ -70,15 +58,10 @@ StopWatch::StopWatch(DisplayApp* app, System::SystemTask& systemTask)
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lv_obj_set_state(btnStopLap, LV_STATE_DISABLED);
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lv_obj_set_state(txtStopLap, LV_STATE_DISABLED);
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lapOneText = lv_label_create(lv_scr_act(), nullptr);
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lv_obj_set_style_local_text_color(lapOneText, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_YELLOW);
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lv_obj_align(lapOneText, lv_scr_act(), LV_ALIGN_IN_LEFT_MID, 50, 30);
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lv_label_set_text_static(lapOneText, "");
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lapTwoText = lv_label_create(lv_scr_act(), nullptr);
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lv_obj_set_style_local_text_color(lapTwoText, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_YELLOW);
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lv_obj_align(lapTwoText, lv_scr_act(), LV_ALIGN_IN_LEFT_MID, 50, 55);
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lv_label_set_text_static(lapTwoText, "");
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lapText = lv_label_create(lv_scr_act(), nullptr);
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lv_obj_set_style_local_text_color(lapText, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_YELLOW);
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lv_obj_align(lapText, lv_scr_act(), LV_ALIGN_IN_LEFT_MID, 50, 30);
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lv_label_set_text_static(lapText, "");
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taskRefresh = lv_task_create(RefreshTaskCallback, LV_DISP_DEF_REFR_PERIOD, LV_TASK_PRIO_MID, this);
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}
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@ -98,10 +81,8 @@ void StopWatch::Reset() {
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lv_label_set_text_static(time, "00:00");
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lv_label_set_text_static(msecTime, "00");
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lv_label_set_text_static(lapOneText, "");
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lv_label_set_text_static(lapTwoText, "");
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lapBuffer.clearBuffer();
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lapNr = 0;
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lv_label_set_text_static(lapText, "");
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lapsDone = 0;
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lv_obj_set_state(btnStopLap, LV_STATE_DISABLED);
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lv_obj_set_state(txtStopLap, LV_STATE_DISABLED);
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}
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@ -121,7 +102,7 @@ void StopWatch::Start() {
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void StopWatch::Pause() {
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startTime = 0;
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// Store the current time elapsed in cache
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oldTimeElapsed += timeElapsed;
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oldTimeElapsed = laps[lapsDone];
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currentState = States::Halted;
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lv_label_set_text_static(txtPlayPause, Symbols::play);
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lv_label_set_text_static(txtStopLap, Symbols::stop);
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@ -132,9 +113,9 @@ void StopWatch::Pause() {
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void StopWatch::Refresh() {
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if (currentState == States::Running) {
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timeElapsed = xTaskGetTickCount() - startTime;
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currentTimeSeparated = convertTicksToTimeSegments((oldTimeElapsed + timeElapsed));
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laps[lapsDone] = oldTimeElapsed + xTaskGetTickCount() - startTime;
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TimeSeparated_t currentTimeSeparated = convertTicksToTimeSegments(laps[lapsDone]);
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lv_label_set_text_fmt(time, "%02d:%02d", currentTimeSeparated.mins, currentTimeSeparated.secs);
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lv_label_set_text_fmt(msecTime, "%02d", currentTimeSeparated.hundredths);
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}
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@ -159,18 +140,17 @@ void StopWatch::stopLapBtnEventHandler(lv_event_t event) {
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}
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// If running, then this button is used to save laps
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if (currentState == States::Running) {
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lapBuffer.addLaps(currentTimeSeparated);
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lapNr++;
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if (lapBuffer[1]) {
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lv_label_set_text_fmt(lapOneText,
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"#%2d %2d:%02d.%02d",
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(lapNr - 1),
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lapBuffer[1]->mins,
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lapBuffer[1]->secs,
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lapBuffer[1]->hundredths);
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}
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if (lapBuffer[0]) {
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lv_label_set_text_fmt(lapTwoText, "#%2d %2d:%02d.%02d", lapNr, lapBuffer[0]->mins, lapBuffer[0]->secs, lapBuffer[0]->hundredths);
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lv_label_set_text(lapText, "");
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lapsDone = std::min(lapsDone + 1, maxLapCount);
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for (int i = lapsDone - displayedLaps; i < lapsDone; i++) {
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if (i < 0) {
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lv_label_ins_text(lapText, LV_LABEL_POS_LAST, "\n");
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continue;
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}
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TimeSeparated_t times = convertTicksToTimeSegments(laps[i]);
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char buffer[16];
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sprintf(buffer, "#%2d %2d:%02d.%02d\n", i + 1, times.mins, times.secs, times.hundredths);
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lv_label_ins_text(lapText, LV_LABEL_POS_LAST, buffer);
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}
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} else if (currentState == States::Halted) {
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Reset();
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@ -1,13 +1,11 @@
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#pragma once
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#include "displayapp/screens/Screen.h"
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#include "components/datetime/DateTimeController.h"
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#include "displayapp/LittleVgl.h"
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#include <lvgl/lvgl.h>
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#include <FreeRTOS.h>
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#include "portmacro_cmsis.h"
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#include <array>
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#include "systemtask/SystemTask.h"
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namespace Pinetime::Applications::Screens {
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@ -20,46 +18,6 @@ namespace Pinetime::Applications::Screens {
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int hundredths;
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};
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// A simple buffer to hold the latest two laps
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template <int N> struct LapTextBuffer_t {
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LapTextBuffer_t() : buffer {}, currentSize {}, capacity {N}, head {-1} {
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}
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void addLaps(const TimeSeparated_t& timeVal) {
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head++;
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head %= capacity;
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buffer[head] = timeVal;
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if (currentSize < capacity) {
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currentSize++;
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}
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}
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void clearBuffer() {
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buffer = {};
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currentSize = 0;
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head = -1;
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}
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TimeSeparated_t* operator[](std::size_t idx) {
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// Sanity check for out-of-bounds
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if (idx >= 0 && idx < capacity) {
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if (idx < currentSize) {
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// This transformation is to ensure that head is always pointing to index 0.
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const auto transformed_idx = (head - idx) % capacity;
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return (&buffer[transformed_idx]);
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}
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}
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return nullptr;
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}
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private:
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std::array<TimeSeparated_t, N> buffer;
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uint8_t currentSize;
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uint8_t capacity;
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int8_t head;
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};
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class StopWatch : public Screen {
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public:
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StopWatch(DisplayApp* app, System::SystemTask& systemTask);
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@ -76,15 +34,15 @@ namespace Pinetime::Applications::Screens {
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private:
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Pinetime::System::SystemTask& systemTask;
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TickType_t timeElapsed;
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States currentState;
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States currentState = States::Init;
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TickType_t startTime;
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TickType_t oldTimeElapsed;
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TimeSeparated_t currentTimeSeparated; // Holds Mins, Secs, millisecs
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LapTextBuffer_t<2> lapBuffer;
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int lapNr = 0;
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TickType_t oldTimeElapsed = 0;
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static constexpr int maxLapCount = 20;
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TickType_t laps[maxLapCount + 1];
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static constexpr int displayedLaps = 2;
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int lapsDone = 0;
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lv_obj_t *time, *msecTime, *btnPlayPause, *btnStopLap, *txtPlayPause, *txtStopLap;
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lv_obj_t *lapOneText, *lapTwoText;
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lv_obj_t* lapText;
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lv_task_t* taskRefresh;
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};
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