alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-08-10 04:43:33 +00:00
Code Issues Packages Projects Releases Wiki Activity

feat(esp_lcd): updated lvgl example to loading image from file system

Browse Source 
which can help to reduce the firmware bin size
This commit is contained in:
Chen Jichang
2023-08-31 14:57:10 +08:00
committed by morris
parent bdfa91ab66
commit 5ea4df682e
11 changed files with 177 additions and 55 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
examples/peripherals/lcd/i80_controller/main/lvgl_demo_ui.c
View File

@@ -1,19 +1,22 @@
/*
* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2021-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: CC0-1.0
*/
#include <math.h>
#include "sdkconfig.h"
#include "lvgl.h"
#ifndef PI
#define PI (3.14159f)
#endif
#if CONFIG_EXAMPLE_LCD_IMAGE_FROM_EMBEDDED_BINARY
// LVGL image declare
LV_IMG_DECLARE(esp_logo)
LV_IMG_DECLARE(esp_text)
#endif // CONFIG_EXAMPLE_LCD_IMAGE_FROM_EMBEDDED_BINARY
typedef struct {
lv_obj_t *scr;
@@ -21,9 +24,9 @@ typedef struct {
} my_timer_context_t;
static my_timer_context_t my_tim_ctx;
static lv_obj_t * btn;
static lv_obj_t *btn;
static lv_obj_t *arc[3];
static lv_obj_t *img_logo;
static lv_obj_t *img_logo = NULL;
static lv_obj_t *img_text = NULL;
static lv_color_t arc_color[] = {
LV_COLOR_MAKE(232, 87, 116),
@@ -31,7 +34,6 @@ static lv_color_t arc_color[] = {
LV_COLOR_MAKE(90, 202, 228),
};
static void anim_timer_cb(lv_timer_t *timer)
{
my_timer_context_t *timer_ctx = (my_timer_context_t *) timer->user_data;
@@ -57,7 +59,11 @@ static void anim_timer_cb(lv_timer_t *timer)
// Create new image and make it transparent
img_text = lv_img_create(scr);
#if CONFIG_EXAMPLE_LCD_IMAGE_FROM_FILE_SYSTEM
lv_img_set_src(img_text, "S:/spiffs/esp_text.png");
#elif CONFIG_EXAMPLE_LCD_IMAGE_FROM_EMBEDDED_BINARY
lv_img_set_src(img_text, &esp_text);
#endif
lv_obj_set_style_img_opa(img_text, 0, 0);
}
@@ -117,9 +123,9 @@ static void start_animation(lv_obj_t *scr)
lv_obj_add_state(btn, LV_STATE_DISABLED);
}
static void btn_cb(lv_event_t * e)
static void btn_cb(lv_event_t *e)
{
lv_obj_t * scr = lv_event_get_user_data(e);
lv_obj_t *scr = lv_event_get_user_data(e);
start_animation(scr);
}
@@ -129,10 +135,13 @@ void example_lvgl_demo_ui(lv_disp_t *disp)
// Create image
img_logo = lv_img_create(scr);
#if CONFIG_EXAMPLE_LCD_IMAGE_FROM_FILE_SYSTEM
lv_img_set_src(img_logo, "S:/spiffs/esp_logo.png");
#elif CONFIG_EXAMPLE_LCD_IMAGE_FROM_EMBEDDED_BINARY
lv_img_set_src(img_logo, &esp_logo);
#endif
btn = lv_btn_create(scr);
lv_obj_t * lbl = lv_label_create(btn);
lv_obj_t *lbl = lv_label_create(btn);
lv_label_set_text_static(lbl, LV_SYMBOL_REFRESH" SHOW AGAIN");
lv_obj_set_style_text_font(lbl, &lv_font_montserrat_20, 0);
lv_obj_align(btn, LV_ALIGN_BOTTOM_LEFT, 30, -30);