t/esp32_sd_lcd_image_viewer
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+ rearranged files

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+ improved ui log
+ added image browser
- image loading fails at the moment
- arrangement of ui in image browser not checked
This commit is contained in:
Timo Niemann
2026-07-01 13:03:58 +02:00
parent 229d828271
commit 4e8282a64b
10 changed files with 358 additions and 80 deletions
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main/main.c
+13 -58
View File
@@ -1,67 +1,28 @@
#include "esp_check.h"
#include "esp_log.h"
#include "esp_lvgl_port.h"
#include "lcd/lcd.h"
#include "sd/sd.h"
#include "lvgl.h"
#include "lcd/lcd.h"
#include "lcd/ui.h"
#include "freertos/FreeRTOS.h"
static const char *TAG = "app";
static lv_obj_t *log_textarea = NULL;
static void ui_log_append(const char *text)
{
if(log_textarea == NULL || text == NULL) return;
lvgl_port_lock(0);
lv_textarea_add_text(log_textarea, text);
lv_textarea_add_text(log_textarea, "\n");
lv_textarea_set_cursor_pos(log_textarea, LV_TEXTAREA_CURSOR_LAST);
lvgl_port_unlock();
}
static void create_log_ui(void)
{
lv_obj_t *screen = lv_screen_active();
lv_obj_set_style_bg_color(screen, lv_color_hex(0x101418), 0);
lv_obj_t *title = lv_label_create(screen);
lv_label_set_text(title, "SD Image Viewer");
lv_obj_set_style_text_color(title, lv_color_white(), 0);
lv_obj_align(title, LV_ALIGN_TOP_MID, 0, 14);
log_textarea = lv_textarea_create(screen);
lv_obj_set_size(log_textarea, lv_pct(92), lv_pct(84));
lv_obj_align(log_textarea, LV_ALIGN_BOTTOM_MID, 0, -14);
lv_textarea_set_one_line(log_textarea, false);
lv_textarea_set_cursor_click_pos(log_textarea, false);
lv_textarea_set_text(log_textarea, "");
lv_obj_set_style_bg_color(log_textarea, lv_color_hex(0x182028), 0);
lv_obj_set_style_text_color(log_textarea, lv_color_hex(0xdde7ef), 0);
lv_obj_set_style_border_color(log_textarea, lv_color_hex(0x4b6478), 0);
lv_obj_set_style_radius(log_textarea, 4, 0);
lv_obj_set_style_pad_all(log_textarea, 12, 0);
lv_textarea_add_text(log_textarea, "Boot UI ready\n");
lv_textarea_set_cursor_pos(log_textarea, LV_TEXTAREA_CURSOR_LAST);
}
void app_main(void)
{
void app_main(void){
ESP_LOGI(TAG, "Start display application");
ESP_ERROR_CHECK(lcd_init());
ESP_LOGI(TAG, "Creating log UI");
lvgl_port_lock(0);
create_log_ui();
lvgl_port_unlock();
ESP_LOGI(TAG, "Initializing SD card");
ui_log_append("Initializing SD card...");
ui_log_append("\nInitializing SD card...");
sd_init();
print_sd_card_info();
ui_log_append("SD initialization done");
ESP_LOGI(TAG, "SD card initialization complete");
ui_log_append("\nListing files in root directory:");
size_t file_count = sd_get_file_count();
ESP_LOGI(TAG, "Found %d files in root directory", file_count);
const char* filename = NULL;
@@ -71,19 +32,13 @@ void app_main(void)
char line[96];
snprintf(line, sizeof(line), "Found file: %s", filename);
ui_log_append(line);
vTaskDelay(pdMS_TO_TICKS(1));
}
/*
FILE* file = sd_open_write("test.txt");
if(file != NULL){
fprintf(file, "Hello, SD card!\n");
sd_close_file(file);
ui_log_append("Wrote test.txt");
} else {
ui_log_append("Failed to open test.txt for writing");
}
*/
ui_log_append("Done listing files in root directory");
sd_destroy();
ui_log_append("SD card unmounted");
ui_switch_view_to(UI_VIEW_IMAGE_BROWSER);
// sd_destroy();
// ui_log_append("\nSD card unmounted");
}