alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-08-08 04:02:27 +00:00
Code Issues Packages Projects Releases Wiki Activity

lcd: unify callback prototype

Browse Source
This commit is contained in:
morris
2021-09-27 11:32:29 +08:00
committed by suda-morris
parent aa73e423d4
commit e09e39c94f
25 changed files with 210 additions and 232 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
examples/peripherals/lcd/lvgl/main/lvgl_demo_ui.c
View File

@@ -1,11 +1,8 @@
/* LCD LVGL UI example
This example code is in the Public Domain (or CC0 licensed, at your option.)
Unless required by applicable law or agreed to in writing, this
software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, either express or implied.
*/
/*
* SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: CC0-1.0
*/
#include <math.h>
#include "lvgl.h"
@@ -18,6 +15,11 @@
LV_IMG_DECLARE(esp_logo)
LV_IMG_DECLARE(esp_text)
typedef struct {
lv_obj_t *scr;
int count_val;
} my_timer_context_t;
static lv_obj_t *arc[3];
static lv_obj_t *img_logo;
static lv_obj_t *img_text;
@@ -29,8 +31,9 @@ static lv_color_t arc_color[] = {
static void anim_timer_cb(lv_timer_t *timer)
{
static int32_t count = -90;
lv_obj_t *scr = (lv_obj_t *) timer->user_data;
my_timer_context_t *timer_ctx = (my_timer_context_t *) timer->user_data;
int count = timer_ctx->count_val;
lv_obj_t *scr = timer_ctx->scr;
// Play arc animation
if (count < 90) {
@@ -58,14 +61,16 @@ static void anim_timer_cb(lv_timer_t *timer)
// Move images when arc animation finished
if ((count >= 100) && (count <= 180)) {
lv_coord_t offset = (sinf((count - 140) * 2.25f / 90.0f) + 1) * 20.0f;
lv_obj_align((lv_obj_t *) timer->user_data, LV_ALIGN_CENTER, 0, -offset);
lv_obj_align(img_logo, LV_ALIGN_CENTER, 0, -offset);
lv_obj_align(img_text, LV_ALIGN_CENTER, 0, 2 * offset);
lv_obj_set_style_img_opa(img_text, offset / 40.0f * 255, 0);
}
// Delete timer when all animation finished
if (++count >= 180) {
if ((count += 5) == 220) {
lv_timer_del(timer);
} else {
timer_ctx->count_val = count;
}
}
@@ -95,5 +100,9 @@ void example_lvgl_demo_ui(lv_obj_t *scr)
}
// Create timer for animation
lv_timer_create(anim_timer_cb, 20, (void *) scr);
static my_timer_context_t my_tim_ctx = {
.count_val = -90,
};
my_tim_ctx.scr = scr;
lv_timer_create(anim_timer_cb, 20, &my_tim_ctx);
}