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upgrade to LVGL 9

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This commit is contained in:
Terrence
2025-02-03 23:43:07 +08:00
parent e434cd1aed
commit c36e25ce3f
26 changed files with 119 additions and 197 deletions
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184
main/display/lcd_display.cc
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@@ -1,102 +1,27 @@
#include "lcd_display.h"
#include "font_awesome_symbols.h"
#include <font_awesome_symbols.h>
#include <esp_log.h>
#include <esp_err.h>
#include <driver/ledc.h>
#include <vector>
#include <esp_lvgl_port.h>
#include "board.h"
#define TAG "LcdDisplay"
#define LCD_LEDC_CH LEDC_CHANNEL_0
#define LCD_LVGL_TICK_PERIOD_MS 2
#define LCD_LVGL_TASK_MAX_DELAY_MS 60
#define LCD_LVGL_TASK_MIN_DELAY_MS 1
#define LCD_LVGL_TASK_STACK_SIZE (4 * 1024)
#define LCD_LVGL_TASK_PRIORITY 1
LV_FONT_DECLARE(font_awesome_30_4);
static lv_disp_drv_t disp_drv;
static void lcd_lvgl_flush_cb(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_map)
{
esp_lcd_panel_handle_t panel_handle = (esp_lcd_panel_handle_t)drv->user_data;
int offsetx1 = area->x1;
int offsetx2 = area->x2;
int offsety1 = area->y1;
int offsety2 = area->y2;
// copy a buffer's content to a specific area of the display
esp_lcd_panel_draw_bitmap(panel_handle, offsetx1, offsety1, offsetx2 + 1, offsety2 + 1, color_map);
lv_disp_flush_ready(&disp_drv);
}
/* Rotate display and touch, when rotated screen in LVGL. Called when driver parameters are updated. */
static void lcd_lvgl_port_update_callback(lv_disp_drv_t *drv)
{
esp_lcd_panel_handle_t panel_handle = (esp_lcd_panel_handle_t)drv->user_data;
switch (drv->rotated)
{
case LV_DISP_ROT_NONE:
// Rotate LCD display
esp_lcd_panel_swap_xy(panel_handle, false);
esp_lcd_panel_mirror(panel_handle, true, false);
break;
case LV_DISP_ROT_90:
// Rotate LCD display
esp_lcd_panel_swap_xy(panel_handle, true);
esp_lcd_panel_mirror(panel_handle, true, true);
break;
case LV_DISP_ROT_180:
// Rotate LCD display
esp_lcd_panel_swap_xy(panel_handle, false);
esp_lcd_panel_mirror(panel_handle, false, true);
break;
case LV_DISP_ROT_270:
// Rotate LCD display
esp_lcd_panel_swap_xy(panel_handle, true);
esp_lcd_panel_mirror(panel_handle, false, false);
break;
}
}
void LcdDisplay::LvglTask() {
ESP_LOGI(TAG, "Starting LVGL task");
uint32_t task_delay_ms = LCD_LVGL_TASK_MAX_DELAY_MS;
while (1)
{
// Lock the mutex due to the LVGL APIs are not thread-safe
if (Lock())
{
task_delay_ms = lv_timer_handler();
Unlock();
}
if (task_delay_ms > LCD_LVGL_TASK_MAX_DELAY_MS)
{
task_delay_ms = LCD_LVGL_TASK_MAX_DELAY_MS;
}
else if (task_delay_ms < LCD_LVGL_TASK_MIN_DELAY_MS)
{
task_delay_ms = LCD_LVGL_TASK_MIN_DELAY_MS;
}
vTaskDelay(pdMS_TO_TICKS(task_delay_ms));
}
}
LcdDisplay::LcdDisplay(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_handle_t panel,
gpio_num_t backlight_pin, bool backlight_output_invert,
int width, int height, int offset_x, int offset_y, bool mirror_x, bool mirror_y, bool swap_xy,
DisplayFonts fonts)
: panel_io_(panel_io), panel_(panel), backlight_pin_(backlight_pin), backlight_output_invert_(backlight_output_invert),
mirror_x_(mirror_x), mirror_y_(mirror_y), swap_xy_(swap_xy),
fonts_(fonts) {
width_ = width;
height_ = height;
offset_x_ = offset_x;
offset_y_ = offset_y;
InitializeBacklight(backlight_pin);
@@ -112,50 +37,45 @@ LcdDisplay::LcdDisplay(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_handle_
ESP_LOGI(TAG, "Initialize LVGL library");
lv_init();
// alloc draw buffers used by LVGL
static lv_disp_draw_buf_t disp_buf; // contains internal graphic buffer(s) called draw buffer(s)
// it's recommended to choose the size of the draw buffer(s) to be at least 1/10 screen sized
lv_color_t *buf1 = (lv_color_t *)heap_caps_malloc(width_ * 10 * sizeof(lv_color_t), MALLOC_CAP_DMA);
assert(buf1);
lv_color_t *buf2 = (lv_color_t *)heap_caps_malloc(width_ * 10 * sizeof(lv_color_t), MALLOC_CAP_DMA);
assert(buf2);
// initialize LVGL draw buffers
lv_disp_draw_buf_init(&disp_buf, buf1, buf2, width_ * 10);
ESP_LOGI(TAG, "Register display driver to LVGL");
lv_disp_drv_init(&disp_drv);
disp_drv.hor_res = width_;
disp_drv.ver_res = height_;
disp_drv.offset_x = offset_x_;
disp_drv.offset_y = offset_y_;
disp_drv.flush_cb = lcd_lvgl_flush_cb;
disp_drv.drv_update_cb = lcd_lvgl_port_update_callback;
disp_drv.draw_buf = &disp_buf;
disp_drv.user_data = panel_;
ESP_LOGI(TAG, "Initialize LVGL port");
lvgl_port_cfg_t port_cfg = ESP_LVGL_PORT_INIT_CONFIG();
lvgl_port_init(&port_cfg);
lv_disp_drv_register(&disp_drv);
ESP_LOGI(TAG, "Install LVGL tick timer");
// Tick interface for LVGL (using esp_timer to generate 2ms periodic event)
const esp_timer_create_args_t lvgl_tick_timer_args = {
.callback = [](void* arg) {
lv_tick_inc(LCD_LVGL_TICK_PERIOD_MS);
ESP_LOGI(TAG, "Adding LCD screen");
const lvgl_port_display_cfg_t display_cfg = {
.io_handle = panel_io_,
.panel_handle = panel_,
.control_handle = nullptr,
.buffer_size = static_cast<uint32_t>(width_ * 10),
.double_buffer = true,
.trans_size = 0,
.hres = static_cast<uint32_t>(width_),
.vres = static_cast<uint32_t>(height_),
.monochrome = false,
.rotation = {
.swap_xy = swap_xy,
.mirror_x = mirror_x,
.mirror_y = mirror_y,
},
.color_format = LV_COLOR_FORMAT_RGB565,
.flags = {
.buff_dma = 1,
.buff_spiram = 0,
.sw_rotate = 0,
.swap_bytes = 1,
.full_refresh = 0,
.direct_mode = 0,
},
.arg = NULL,
.dispatch_method = ESP_TIMER_TASK,
.name = "LVGL Tick Timer",
.skip_unhandled_events = false
};
ESP_ERROR_CHECK(esp_timer_create(&lvgl_tick_timer_args, &lvgl_tick_timer_));
ESP_ERROR_CHECK(esp_timer_start_periodic(lvgl_tick_timer_, LCD_LVGL_TICK_PERIOD_MS * 1000));
lvgl_mutex_ = xSemaphoreCreateRecursiveMutex();
assert(lvgl_mutex_ != nullptr);
ESP_LOGI(TAG, "Create LVGL task");
xTaskCreate([](void *arg) {
static_cast<LcdDisplay*>(arg)->LvglTask();
vTaskDelete(NULL);
}, "LVGL", LCD_LVGL_TASK_STACK_SIZE, this, LCD_LVGL_TASK_PRIORITY, NULL);
display_ = lvgl_port_add_disp(&display_cfg);
if (display_ == nullptr) {
ESP_LOGE(TAG, "Failed to add display");
return;
}
lv_display_set_offset(display_, offset_x, offset_y);
SetBacklight(100);
@@ -163,9 +83,7 @@ LcdDisplay::LcdDisplay(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_handle_
}
LcdDisplay::~LcdDisplay() {
ESP_ERROR_CHECK(esp_timer_stop(lvgl_tick_timer_));
ESP_ERROR_CHECK(esp_timer_delete(lvgl_tick_timer_));
// 然后再清理 LVGL 对象
if (content_ != nullptr) {
lv_obj_del(content_);
}
@@ -178,6 +96,9 @@ LcdDisplay::~LcdDisplay() {
if (container_ != nullptr) {
lv_obj_del(container_);
}
if (display_ != nullptr) {
lv_display_delete(display_);
}
if (panel_ != nullptr) {
esp_lcd_panel_del(panel_);
@@ -185,7 +106,6 @@ LcdDisplay::~LcdDisplay() {
if (panel_io_ != nullptr) {
esp_lcd_panel_io_del(panel_io_);
}
vSemaphoreDelete(lvgl_mutex_);
}
void LcdDisplay::InitializeBacklight(gpio_num_t backlight_pin) {
@@ -236,14 +156,11 @@ void LcdDisplay::SetBacklight(uint8_t brightness) {
}
bool LcdDisplay::Lock(int timeout_ms) {
// Convert timeout in milliseconds to FreeRTOS ticks
// If `timeout_ms` is set to 0, the program will block until the condition is met
const TickType_t timeout_ticks = (timeout_ms == 0) ? portMAX_DELAY : pdMS_TO_TICKS(timeout_ms);
return xSemaphoreTakeRecursive(lvgl_mutex_, timeout_ticks) == pdTRUE;
return lvgl_port_lock(timeout_ms);
}
void LcdDisplay::Unlock() {
xSemaphoreGiveRecursive(lvgl_mutex_);
lvgl_port_unlock();
}
void LcdDisplay::SetupUI() {
@@ -340,7 +257,7 @@ void LcdDisplay::SetEmotion(const std::string &emotion) {
static const std::vector<Emotion> emotions = {
{"😶", "neutral"},
{"😊", "happy"},
{"🙂", "happy"},
{"😆", "laughing"},
{"😂", "funny"},
{"😔", "sad"},
@@ -349,31 +266,30 @@ void LcdDisplay::SetEmotion(const std::string &emotion) {
{"😍", "loving"},
{"😳", "embarrassed"},
{"😯", "surprised"},
{"😨", "shocked"},
{"😱", "shocked"},
{"🤔", "thinking"},
{"😉", "winking"},
{"😎", "cool"},
{"😌", "relaxed"},
{"😋", "delicious"},
{"🤤", "delicious"},
{"😘", "kissy"},
{"😏", "confident"},
{"😴", "sleepy"},
{"🤪", "silly"},
{"😕", "confused"}
{"😜", "silly"},
{"🙄", "confused"}
};
DisplayLockGuard lock(this);
// 查找匹配的表情
auto it = std::find_if(emotions.begin(), emotions.end(),
[&emotion](const Emotion& e) { return e.text == emotion; });
DisplayLockGuard lock(this);
// 如果找到匹配的表情就显示对应图标，否则显示默认的neutral表情
lv_obj_set_style_text_font(emotion_label_, fonts_.emoji_font, 0);
if (it != emotions.end()) {
lv_label_set_text(emotion_label_, it->icon);
} else {
lv_label_set_text(emotion_label_, FONT_AWESOME_EMOJI_NEUTRAL);
lv_label_set_text(emotion_label_, "😶");
}
}