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feat(esp_lvgl_port): Add LVGL task stack capabilities #568

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Merged
tore-espressif merged 1 commit into from
May 6, 2025
+28 −17
Merged

feat(esp_lvgl_port): Add LVGL task stack capabilities #568

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4 changes: 4 additions & 0 deletions components/esp_lvgl_port/CHANGELOG.md
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Original file line number Diff line number Diff line change
@@ -1,5 +1,9 @@
# Changelog

## [Unreleased]
### Features
- Added option to place LVGL task stack to external RAM

## 2.6.0

### Features
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27 changes: 15 additions & 12 deletions components/esp_lvgl_port/include/esp_lvgl_port.h
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@
#pragma once

#include "esp_err.h"
#include "esp_heap_caps.h"
#include "lvgl.h"
#include "esp_lvgl_port_disp.h"
#include "esp_lvgl_port_touch.h"
Expand Down Expand Up @@ -48,24 +49,26 @@ typedef struct {
* @brief Init configuration structure
*/
typedef struct {
int task_priority; /*!< LVGL task priority */
int task_stack; /*!< LVGL task stack size */
int task_affinity; /*!< LVGL task pinned to core (-1 is no affinity) */
int task_max_sleep_ms; /*!< Maximum sleep in LVGL task */
int timer_period_ms; /*!< LVGL timer tick period in ms */
int task_priority; /*!< LVGL task priority */
int task_stack; /*!< LVGL task stack size */
int task_affinity; /*!< LVGL task pinned to core (-1 is no affinity) */
int task_max_sleep_ms; /*!< Maximum sleep in LVGL task */
unsigned task_stack_caps; /*!< LVGL task stack memory capabilities (see esp_heap_caps.h) */
int timer_period_ms; /*!< LVGL timer tick period in ms */
} lvgl_port_cfg_t;

/**
* @brief LVGL port configuration structure
*
*/
#define ESP_LVGL_PORT_INIT_CONFIG() \
{ \
.task_priority = 4, \
.task_stack = 7168, \
.task_affinity = -1, \
.task_max_sleep_ms = 500, \
.timer_period_ms = 5, \
#define ESP_LVGL_PORT_INIT_CONFIG() \
{ \
.task_priority = 4, \
.task_stack = 7168, \
.task_affinity = -1, \
.task_max_sleep_ms = 500, \
.task_stack_caps = MALLOC_CAP_DEFAULT, \
.timer_period_ms = 5, \
}

/**
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8 changes: 5 additions & 3 deletions components/esp_lvgl_port/src/lvgl8/esp_lvgl_port.c
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2024-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
Expand All @@ -13,6 +13,7 @@
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/semphr.h"
#include "freertos/idf_additions.h"
#include "esp_lvgl_port.h"
#include "esp_lvgl_port_priv.h"
#include "lvgl.h"
Expand Down Expand Up @@ -77,10 +78,11 @@ esp_err_t lvgl_port_init(const lvgl_port_cfg_t *cfg)
ESP_GOTO_ON_FALSE(lvgl_port_ctx.task_mux, ESP_ERR_NO_MEM, err, TAG, "Create LVGL task sem fail!");

BaseType_t res;
const uint32_t caps = cfg->task_stack_caps ? cfg->task_stack_caps : MALLOC_CAP_DEFAULT; // caps cannot be zero
if (cfg->task_affinity < 0) {
res = xTaskCreate(lvgl_port_task, "taskLVGL", cfg->task_stack, NULL, cfg->task_priority, &lvgl_port_ctx.lvgl_task);
res = xTaskCreateWithCaps(lvgl_port_task, "taskLVGL", cfg->task_stack, NULL, cfg->task_priority, &lvgl_port_ctx.lvgl_task, caps);
} else {
res = xTaskCreatePinnedToCore(lvgl_port_task, "taskLVGL", cfg->task_stack, NULL, cfg->task_priority, &lvgl_port_ctx.lvgl_task, cfg->task_affinity);
res = xTaskCreatePinnedToCoreWithCaps(lvgl_port_task, "taskLVGL", cfg->task_stack, NULL, cfg->task_priority, &lvgl_port_ctx.lvgl_task, cfg->task_affinity, caps);
}
ESP_GOTO_ON_FALSE(res == pdPASS, ESP_FAIL, err, TAG, "Create LVGL task fail!");

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6 changes: 4 additions & 2 deletions components/esp_lvgl_port/src/lvgl9/esp_lvgl_port.c
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Expand Up @@ -15,6 +15,7 @@
#include "freertos/task.h"
#include "freertos/semphr.h"
#include "freertos/event_groups.h"
#include "freertos/idf_additions.h"
#include "esp_lvgl_port.h"
#include "esp_lvgl_port_priv.h"
#include "lvgl.h"
Expand Down Expand Up @@ -84,10 +85,11 @@ esp_err_t lvgl_port_init(const lvgl_port_cfg_t *cfg)
ESP_GOTO_ON_FALSE(lvgl_port_ctx.lvgl_events, ESP_ERR_NO_MEM, err, TAG, "Create LVGL Event Group fail!");

BaseType_t res;
const uint32_t caps = cfg->task_stack_caps ? cfg->task_stack_caps : MALLOC_CAP_DEFAULT; // caps cannot be zero
if (cfg->task_affinity < 0) {
res = xTaskCreate(lvgl_port_task, "taskLVGL", cfg->task_stack, xTaskGetCurrentTaskHandle(), cfg->task_priority, &lvgl_port_ctx.lvgl_task);
res = xTaskCreateWithCaps(lvgl_port_task, "taskLVGL", cfg->task_stack, xTaskGetCurrentTaskHandle(), cfg->task_priority, &lvgl_port_ctx.lvgl_task, caps);
} else {
res = xTaskCreatePinnedToCore(lvgl_port_task, "taskLVGL", cfg->task_stack, xTaskGetCurrentTaskHandle(), cfg->task_priority, &lvgl_port_ctx.lvgl_task, cfg->task_affinity);
res = xTaskCreatePinnedToCoreWithCaps(lvgl_port_task, "taskLVGL", cfg->task_stack, xTaskGetCurrentTaskHandle(), cfg->task_priority, &lvgl_port_ctx.lvgl_task, cfg->task_affinity, caps);
}
ESP_GOTO_ON_FALSE(res == pdPASS, ESP_FAIL, err, TAG, "Create LVGL task fail!");

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