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Modified lvgl init

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- lvgl init was already done in `lvgl_gui` component (in `lvgl.c`), and this method called `lvgl_lcd_hal_init()`
- `lv_tick()` was also initialized to be called each 1ms
- `lv_task_handler()` was also initialized to be called each 5ms
This commit is contained in:
Joachim
2020-08-28 12:30:07 +02:00
parent 5aa5363672
commit 1cfabd2227
2 changed files with 15 additions and 33 deletions
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4
esp32/examples/ttgo_demo/components/lvgl_gui/lvgl.c
View File

@ -54,7 +54,7 @@ void lvgl_init()
esp_timer_handle_t g_wifi_connect_timer = NULL;
esp_timer_create(&timer_conf, &g_wifi_connect_timer);
esp_timer_start_periodic(g_wifi_connect_timer, 1 * 1000U);
esp_timer_start_periodic(g_wifi_connect_timer, 1 * 1000U); // lv_tick_inc() called each 1 ms
/* Display interface */
lvgl_lcd_hal_init();
@ -67,7 +67,7 @@ void lvgl_init()
esp_timer_handle_t lv_task_timer = NULL;
esp_timer_create(&lv_task_timer_conf, &lv_task_timer);
esp_timer_start_periodic(lv_task_timer, 5 * 1000U);
esp_timer_start_periodic(lv_task_timer, 5 * 1000U); // lv_task_handler() called each 5 ms
vTaskDelay(LVGL_INIT_DELAY / portTICK_PERIOD_MS); // wait for execute lv_task_handler and lv_tick_inc to avoid some widget don't refresh.

44
esp32/examples/ttgo_demo/main/app_screen.cpp
View File

@ -406,7 +406,7 @@ exit:
#include "lvgl.h"
/* lvgl internal graphics buffers */
#define DISP_BUF_SIZE LV_HOR_RES_MAX * 24 // Horizontal resolution X number of lines sent to the driver
#define DISP_BUF_SIZE LV_HOR_RES_MAX * 24 // Horizontal resolution * number of lines sent to the driver
static lv_disp_buf_t disp_buf;
static lv_color_t buf_1[DISP_BUF_SIZE];
static lv_color_t buf_2[DISP_BUF_SIZE];
@ -421,34 +421,6 @@ static void ex_disp_flush(lv_disp_drv_t *disp_drv, const lv_area_t *area, lv_col
lv_disp_flush_ready(&disp->driver);
}
/*Calls `lv_tick_inc()` at regular interval to inform lvgl of elapsed time*/
static void IRAM_ATTR lv_tick_cb(void) {
lv_tick_inc(portTICK_RATE_MS);
}
void lvgl_init()
{
/* register lvgl tick callback function */
esp_register_freertos_tick_hook(lv_tick_cb);
/*lvgl initialize*/
lv_init();
/* init display buffers */
lv_disp_buf_init(&disp_buf, buf_1, buf_2, DISP_BUF_SIZE);
/* screen driver */
lv_disp_drv_t disp_drv; /*Descriptor of a display driver*/
lv_disp_drv_init(&disp_drv); /*Basic initialization*/
disp_drv.flush_cb = ex_disp_flush;
disp_drv.buffer = &disp_buf;
/* Finally register the driver */
lv_disp_drv_register(&disp_drv);
}
// todo: separate lcv_hal_init() and lvgl_init()
void lvgl_lcd_hal_init()
{
lcd_conf_t lcd_pins = {
@ -477,6 +449,16 @@ void lvgl_lcd_hal_init()
tft->setRotation(0);
tft->fillScreen(COLOR_BLACK);
/*init lvgl*/
lvgl_init();
/* init lvgl display buffers */
lv_disp_buf_init(&disp_buf, buf_1, buf_2, DISP_BUF_SIZE);
/* lvgl screen driver */
lv_disp_drv_t disp_drv; /*Descriptor of a display driver*/
lv_disp_drv_init(&disp_drv); /*Basic initialization*/
disp_drv.flush_cb = ex_disp_flush;
disp_drv.buffer = &disp_buf;
/* Finally register the driver */
lv_disp_drv_register(&disp_drv);
}