82 lines
1.7 KiB
C++
82 lines
1.7 KiB
C++
#include <lvgl.h>
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#include <SPI.h>
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#include <TFT_eSPI.h>
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#include <Arduino.h>
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#include <input/encoder.hpp>
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#ifndef SCREEN_WIDTH
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#define SCREEN_WIDTH 320
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#endif
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#ifndef SCREEN_HEIGHT
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#define SCREEN_HEIGHT 240
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#endif
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#define DRAW_BUF_SIZE (SCREEN_WIDTH * SCREEN_HEIGHT / 10 * (LV_COLOR_DEPTH / 8))
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namespace Display
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{
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uint32_t draw_buf[DRAW_BUF_SIZE / 4];
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uint32_t getTime();
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void handleLvglLogs(lv_log_level_t level, const char *buf);
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void handleUpdateValues(lv_timer_t *timer);
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void handleEnterButton();
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String label_text;
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lv_obj_t *label;
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lv_timer_t *update_values_timer;
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void init()
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{
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lv_init();
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lv_log_register_print_cb(handleLvglLogs);
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lv_tick_set_cb(getTime);
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update_values_timer = lv_timer_create(handleUpdateValues, 5, NULL);
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lv_timer_ready(update_values_timer);
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lv_display_t *display;
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display = lv_tft_espi_create(SCREEN_HEIGHT, SCREEN_WIDTH, draw_buf, sizeof(draw_buf));
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lv_display_set_rotation(display, LV_DISPLAY_ROTATION_90);
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label = lv_label_create(lv_screen_active());
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lv_obj_align(label, LV_ALIGN_CENTER, 0, 0);
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Encoder::onButtonRelease(handleEnterButton);
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}
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void update()
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{
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lv_timer_handler();
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}
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void setLabelText(String text)
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{
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label_text = text;
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}
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void handleLvglLogs(lv_log_level_t level, const char *buf)
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{
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Serial.printf("LVGL: %s\r\n", buf);
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}
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uint32_t getTime()
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{
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return esp_timer_get_time() / 1000;
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}
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void handleUpdateValues(lv_timer_t *timer)
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{
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if (label != NULL && lv_label_get_text(label) != label_text.c_str())
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{
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lv_label_set_text(label, label_text.c_str());
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}
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}
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void handleEnterButton()
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{
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setLabelText("Button pressed.");
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}
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}
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