mirror of
https://github.com/Xinyuan-LilyGO/TTGO_TWatch_Library.git
synced 2026-03-05 15:54:11 +01:00
47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
#include <TTGO.h>
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TTGOClass *ttgo = nullptr;
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lv_chart_series_t *ser1;
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lv_obj_t *chart;
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void setup()
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{
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Serial.begin(115200);
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ttgo = TTGOClass::getWatch();
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ttgo->begin();
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ttgo->openBL();
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ttgo->lvgl_begin();
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/*Create a chart*/
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chart = lv_chart_create(lv_scr_act(), NULL);
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lv_obj_set_size(chart, 200, 200);
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lv_obj_align(chart, NULL, LV_ALIGN_CENTER, 0, 0);
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lv_chart_set_type(chart, LV_CHART_TYPE_POINT | LV_CHART_TYPE_LINE); /*Show lines and points too*/
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lv_chart_set_series_opa(chart, LV_OPA_70); /*Opacity of the data series*/
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lv_chart_set_series_width(chart, 4); /*Line width and point radious*/
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lv_chart_set_range(chart, 0, 100);
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/*Add two data series*/
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ser1 = lv_chart_add_series(chart, LV_COLOR_RED);
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/*Set the next points on 'dl1'*/
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lv_chart_set_next(chart, ser1, 10);
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}
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uint32_t lastMillis = 0;
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void loop()
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{
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if (millis() - lastMillis > 500) {
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lastMillis = millis();
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//Read the analog value of IO25 and display it in series
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uint16_t data = analogRead(25);
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lv_chart_set_next(chart, ser1, data);
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}
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lv_task_handler();
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delay(5);
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}
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