154 lines
3.6 KiB
C++
154 lines
3.6 KiB
C++
#include <lgfx.h>
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#include <lvgl.h>
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#include "esp_err.h"
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#include "esp_log.h"
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#include "ff.h"
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#include "image.h"
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#include "storage.h"
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#define screenWidth (480)
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#define screenHeight (320)
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const unsigned int lvBufferSize = screenWidth * screenHeight / 10 * (LV_COLOR_DEPTH / 8);
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uint8_t lvBuffer1[lvBufferSize];
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uint8_t lvBuffer2[lvBufferSize];
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static const char *TAG = "main";
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LGFX tft;
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static FATFS fs;
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void setup_tft(void)
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{
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tft.begin();
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tft.setRotation(1);
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tft.setBrightness(255);
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}
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void flush(lv_display_t *display, const lv_area_t *area, unsigned char *data)
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{
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uint32_t w = lv_area_get_width(area);
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uint32_t h = lv_area_get_height(area);
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lv_draw_sw_rgb565_swap(data, w * h);
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tft.pushImageDMA(area->x1, area->y1, w, h, (uint16_t *)data);
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lv_display_flush_ready(display);
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}
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void my_touch_read(lv_indev_t *indev_driver, lv_indev_data_t *data)
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{
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uint16_t touchX, touchY;
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bool touched = tft.getTouch(&touchX, &touchY);
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if (!touched)
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{
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data->state = LV_INDEV_STATE_REL;
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}
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else
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{
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data->state = LV_INDEV_STATE_PR;
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data->point.x = touchX;
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data->point.y = touchY;
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}
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}
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void fatfs_lvgl_init(void)
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{
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// 1. Das Dateisystem "mounten" (einmalig für FatFS)
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f_mount(&fs, "S:", 1); // "S:" ist der Laufwerksbuchstabe
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// 2. Eine Treiber-Variable deklarieren
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static lv_fs_drv_t drv;
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lv_fs_drv_init(&drv); // Treiberstruktur initialisieren
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// 3. Unsere Bridge-Funktionen zuweisen
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drv.letter = 'S'; // WICHTIG: Muss mit dem Buchstaben in f_mount übereinstimmen
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drv.open_cb = fs_open;
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drv.close_cb = fs_close;
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drv.read_cb = fs_read;
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drv.seek_cb = fs_seek;
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drv.tell_cb = fs_tell;
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// 4. Den Treiber bei LVGL registrieren
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lv_fs_drv_register(&drv);
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}
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void esp_lv_log_print(lv_log_level_t level, const char *buf)
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{
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switch (level)
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{
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case LV_LOG_LEVEL_TRACE:
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ESP_LOGV("LVGL", "%s", buf);
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break;
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case LV_LOG_LEVEL_INFO:
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ESP_LOGI("LVGL", "%s", buf);
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break;
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case LV_LOG_LEVEL_WARN:
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ESP_LOGW("LVGL", "%s", buf);
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break;
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case LV_LOG_LEVEL_ERROR:
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ESP_LOGE("LVGL", "%s", buf);
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break;
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case LV_LOG_LEVEL_USER:
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ESP_LOGI("LVGL", "%s", buf);
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break;
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case LV_LOG_LEVEL_NONE:
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break;
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}
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}
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void setup()
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{
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setup_tft();
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lv_init();
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lv_log_register_print_cb(esp_lv_log_print);
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fs_mount();
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fatfs_lvgl_init();
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static auto *display = lv_display_create(screenWidth, screenHeight);
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lv_display_set_color_format(display, LV_COLOR_FORMAT_RGB565);
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lv_display_set_flush_cb(display, flush);
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lv_display_set_buffers(display, lvBuffer1, lvBuffer2, lvBufferSize, LV_DISPLAY_RENDER_MODE_PARTIAL);
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static auto *lvInput = lv_indev_create();
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lv_indev_set_type(lvInput, LV_INDEV_TYPE_POINTER);
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lv_indev_set_read_cb(lvInput, my_touch_read);
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ESP_LOGI(TAG, "create image");
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#ifndef LOCAL
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static auto *image = lv_image_create(lv_scr_act());
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lv_image_set_src(image, &image_data);
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lv_obj_align(image, LV_ALIGN_TOP_LEFT, 0, 0);
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#else
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lv_obj_t *img = lv_image_create(lv_screen_active());
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lv_image_set_src(img, "S:/response.png"); // Pfad beginnt mit "S:"
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lv_obj_center(img);
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#endif
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ESP_LOGI(TAG, "image created");
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}
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void loop()
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{
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lv_tick_inc(10);
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lv_timer_handler();
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vTaskDelay(pdMS_TO_TICKS(10));
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}
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void lvgl_task(void *pvParameter)
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{
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setup();
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while (1)
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{
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loop();
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}
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fs_unmount();
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}
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extern "C" void app_main(void)
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{
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xTaskCreatePinnedToCore(lvgl_task, "lvgl_task", 8192, NULL, 5, NULL, 1);
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}
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