990abc210c
新增资源文件：添加了字体、图像和屏幕相关的头文件与源文件。 定义数据结构：创建了用于描述字体和图像的数据结构。 实现主屏逻辑：实现了主屏幕的创建函数以及周期性刷新（tick）函数。 集成 LVGL 管理：集成了 LVGL 主题初始化及屏幕管理功能。 添加 UI 初始化：新增 UI 初始化及刷新函数，用于管理界面更新。 重构主入口：重构主应用程序入口，以支持 UI 任务及 FreeRTOS 多任务调度。 更新构建配置：更新了 CMakeLists 及组件配置，以包含新的依赖项。
258 lines
9.0 KiB
C
258 lines
9.0 KiB
C
#include <stdio.h>
|
||
#include <stdlib.h>
|
||
#include "lvgl_st7789_use.h"
|
||
#include "freertos/FreeRTOS.h"
|
||
#include "freertos/task.h"
|
||
#include "driver/gpio.h"
|
||
#include "driver/spi_master.h"
|
||
#include "esp_err.h"
|
||
#include "esp_log.h"
|
||
#include "esp_check.h"
|
||
#include "esp_lcd_panel_io.h"
|
||
#include "esp_lcd_panel_vendor.h"
|
||
#include "esp_lcd_panel_ops.h"
|
||
#include "esp_lvgl_port.h"
|
||
|
||
static const char *TAG = "lvgl_st7789_use";
|
||
|
||
static esp_lcd_panel_io_handle_t lcd_io = NULL;
|
||
static esp_lcd_panel_handle_t lcd_panel = NULL;
|
||
static lv_display_t *lvgl_disp = NULL;
|
||
static lv_obj_t *s_center_label = NULL;
|
||
|
||
#if EXAMPLE_LCD_ENABLE_COLOR_TEST
|
||
static esp_err_t app_lcd_color_test(void)
|
||
{
|
||
const size_t pixels = EXAMPLE_LCD_H_RES * EXAMPLE_LCD_V_RES;
|
||
uint16_t *frame = calloc(pixels, sizeof(uint16_t));
|
||
ESP_RETURN_ON_FALSE(frame != NULL, ESP_ERR_NO_MEM, TAG, "分配测试帧缓冲失败");
|
||
|
||
for (int y = 0; y < EXAMPLE_LCD_V_RES; y++) {
|
||
for (int x = 0; x < EXAMPLE_LCD_H_RES; x++) {
|
||
uint16_t color;
|
||
if (x < EXAMPLE_LCD_H_RES / 3) {
|
||
color = 0xF800; // 红
|
||
} else if (x < (EXAMPLE_LCD_H_RES * 2) / 3) {
|
||
color = 0x07E0; // 绿
|
||
} else {
|
||
color = 0x001F; // 蓝
|
||
}
|
||
frame[y * EXAMPLE_LCD_H_RES + x] = color;
|
||
}
|
||
}
|
||
|
||
esp_err_t err = esp_lcd_panel_draw_bitmap(lcd_panel, 0, 0, EXAMPLE_LCD_H_RES, EXAMPLE_LCD_V_RES, frame);
|
||
free(frame);
|
||
ESP_RETURN_ON_ERROR(err, TAG, "三色测试绘制失败");
|
||
|
||
ESP_LOGI(TAG, "LCD三色测试图已发送");
|
||
return ESP_OK;
|
||
}
|
||
#endif
|
||
|
||
/**
|
||
* @brief 初始化LCD硬件和SPI接口
|
||
*
|
||
* 该函数负责初始化LCD所需的GPIO、SPI总线，并配置LCD面板
|
||
* 包括背光控制、SPI总线配置、面板IO配置和面板驱动安装
|
||
*
|
||
* @return esp_err_t 初始化结果，ESP_OK表示成功
|
||
*/
|
||
static esp_err_t app_lcd_init(void)
|
||
{
|
||
esp_err_t ret = ESP_OK;
|
||
|
||
if (EXAMPLE_LCD_GPIO_BL != GPIO_NUM_NC && EXAMPLE_LCD_GPIO_BL >= 0) {
|
||
gpio_config_t bk_gpio_config = {
|
||
.mode = GPIO_MODE_OUTPUT,
|
||
.pin_bit_mask = 1ULL << EXAMPLE_LCD_GPIO_BL
|
||
};
|
||
ESP_ERROR_CHECK(gpio_config(&bk_gpio_config));
|
||
} else {
|
||
ESP_LOGW(TAG, "背光引脚未配置(GPIO_NUM_NC 或 <0)，跳过背光GPIO初始化");
|
||
}
|
||
|
||
ESP_LOGI(TAG, "初始化SPI总线");
|
||
const spi_bus_config_t buscfg = {
|
||
.sclk_io_num = EXAMPLE_LCD_GPIO_SCLK,
|
||
.mosi_io_num = EXAMPLE_LCD_GPIO_MOSI,
|
||
.miso_io_num = GPIO_NUM_NC,
|
||
.quadwp_io_num = GPIO_NUM_NC,
|
||
.quadhd_io_num = GPIO_NUM_NC,
|
||
.max_transfer_sz = EXAMPLE_LCD_H_RES * EXAMPLE_LCD_DRAW_BUFF_HEIGHT * sizeof(uint16_t),
|
||
};
|
||
ESP_RETURN_ON_ERROR(spi_bus_initialize(EXAMPLE_LCD_SPI_NUM, &buscfg, SPI_DMA_CH_AUTO), TAG, "SPI初始化失败");
|
||
|
||
ESP_LOGI(TAG, "安装面板IO");
|
||
const esp_lcd_panel_io_spi_config_t io_config = {
|
||
.dc_gpio_num = EXAMPLE_LCD_GPIO_DC,
|
||
.cs_gpio_num = EXAMPLE_LCD_GPIO_CS,
|
||
.pclk_hz = EXAMPLE_LCD_PIXEL_CLK_HZ,
|
||
.lcd_cmd_bits = EXAMPLE_LCD_CMD_BITS,
|
||
.lcd_param_bits = EXAMPLE_LCD_PARAM_BITS,
|
||
.spi_mode = 0,
|
||
.trans_queue_depth = 10,
|
||
};
|
||
ESP_GOTO_ON_ERROR(esp_lcd_new_panel_io_spi((esp_lcd_spi_bus_handle_t)EXAMPLE_LCD_SPI_NUM, &io_config, &lcd_io), err, TAG, "创建面板IO失败");
|
||
|
||
ESP_LOGI(TAG, "安装LCD驱动");
|
||
const esp_lcd_panel_dev_config_t panel_config = {
|
||
.reset_gpio_num = EXAMPLE_LCD_GPIO_RST,
|
||
#if ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(6, 0, 0)
|
||
.rgb_endian = EXAMPLE_LCD_COLOR_ORDER_BGR ? LCD_RGB_ENDIAN_BGR : LCD_RGB_ENDIAN_RGB,
|
||
#else
|
||
.rgb_ele_order = EXAMPLE_LCD_COLOR_ORDER_BGR ? LCD_RGB_ELEMENT_ORDER_BGR : LCD_RGB_ELEMENT_ORDER_RGB,
|
||
#endif
|
||
.bits_per_pixel = EXAMPLE_LCD_BITS_PER_PIXEL,
|
||
};
|
||
|
||
ESP_GOTO_ON_ERROR(esp_lcd_new_panel_st7789(lcd_io, &panel_config, &lcd_panel), err, TAG, "创建面板失败");
|
||
ESP_GOTO_ON_ERROR(esp_lcd_panel_reset(lcd_panel), err, TAG, "面板复位失败");
|
||
ESP_GOTO_ON_ERROR(esp_lcd_panel_init(lcd_panel), err, TAG, "面板初始化失败");
|
||
ESP_GOTO_ON_ERROR(esp_lcd_panel_swap_xy(lcd_panel, false), err, TAG, "设置面板swap_xy失败");
|
||
ESP_GOTO_ON_ERROR(esp_lcd_panel_mirror(lcd_panel, false, false), err, TAG, "设置面板镜像失败");
|
||
|
||
ESP_GOTO_ON_ERROR(esp_lcd_panel_set_gap(lcd_panel, EXAMPLE_LCD_GAP_X, EXAMPLE_LCD_GAP_Y), err, TAG, "设置显示偏移失败");
|
||
ESP_LOGI(TAG, "面板基准参数已应用: gap=(%d,%d)", EXAMPLE_LCD_GAP_X, EXAMPLE_LCD_GAP_Y);
|
||
|
||
ESP_GOTO_ON_ERROR(esp_lcd_panel_invert_color(lcd_panel, EXAMPLE_LCD_INVERT_COLOR), err, TAG, "设置反色失败");
|
||
ESP_GOTO_ON_ERROR(esp_lcd_panel_disp_on_off(lcd_panel, true), err, TAG, "打开显示失败");
|
||
|
||
if (EXAMPLE_LCD_GPIO_BL != GPIO_NUM_NC) {
|
||
ESP_RETURN_ON_ERROR(gpio_set_level(EXAMPLE_LCD_GPIO_BL, EXAMPLE_LCD_BL_ON_LEVEL), TAG, "背光引脚置位失败");
|
||
ESP_LOGI(TAG, "背光已打开，电平=%d", EXAMPLE_LCD_BL_ON_LEVEL);
|
||
}
|
||
|
||
ESP_LOGI(TAG, "颜色参数: order=%s invert=%d swap_bytes=%d",
|
||
EXAMPLE_LCD_COLOR_ORDER_BGR ? "BGR" : "RGB",
|
||
EXAMPLE_LCD_INVERT_COLOR,
|
||
EXAMPLE_LCD_SWAP_BYTES);
|
||
|
||
return ret;
|
||
|
||
// 错误处理标签，用于清理资源
|
||
err:
|
||
if (lcd_panel) {
|
||
esp_lcd_panel_del(lcd_panel);
|
||
lcd_panel = NULL;
|
||
}
|
||
if (lcd_io) {
|
||
esp_lcd_panel_io_del(lcd_io);
|
||
lcd_io = NULL;
|
||
}
|
||
spi_bus_free(EXAMPLE_LCD_SPI_NUM);
|
||
return ret;
|
||
}
|
||
|
||
/**
|
||
* @brief 初始化LVGL图形库
|
||
*
|
||
* 该函数负责初始化LVGL库，并配置显示设备
|
||
* 包括LVGL任务配置、显示缓冲区配置和旋转设置
|
||
*
|
||
* @return esp_err_t 初始化结果，ESP_OK表示成功
|
||
*/
|
||
static esp_err_t app_lvgl_init(void)
|
||
{
|
||
const lvgl_port_cfg_t lvgl_cfg = {
|
||
.task_priority = 4,
|
||
.task_stack = 8192,
|
||
.task_affinity = -1,
|
||
.task_max_sleep_ms = 500,
|
||
.timer_period_ms = 5
|
||
};
|
||
ESP_RETURN_ON_ERROR(lvgl_port_init(&lvgl_cfg), TAG, "LVGL端口初始化失败");
|
||
|
||
ESP_LOGI(TAG, "添加LCD屏幕");
|
||
const lvgl_port_display_cfg_t disp_cfg = {
|
||
.io_handle = lcd_io,
|
||
.panel_handle = lcd_panel,
|
||
.buffer_size = EXAMPLE_LCD_H_RES * EXAMPLE_LCD_DRAW_BUFF_HEIGHT,
|
||
.double_buffer = EXAMPLE_LCD_DRAW_BUFF_DOUBLE,
|
||
.hres = EXAMPLE_LCD_H_RES,
|
||
.vres = EXAMPLE_LCD_V_RES,
|
||
.monochrome = false,
|
||
#if LVGL_VERSION_MAJOR >= 9
|
||
.color_format = LV_COLOR_FORMAT_RGB565,
|
||
#endif
|
||
.rotation = {
|
||
.swap_xy = EXAMPLE_LCD_ROT_SWAP_XY,
|
||
.mirror_x = EXAMPLE_LCD_ROT_MIRROR_X,
|
||
.mirror_y = EXAMPLE_LCD_ROT_MIRROR_Y,
|
||
},
|
||
.flags = {
|
||
.buff_dma = true,
|
||
#if LVGL_VERSION_MAJOR >= 9
|
||
.swap_bytes = EXAMPLE_LCD_SWAP_BYTES,
|
||
#endif
|
||
}};
|
||
|
||
lvgl_disp = lvgl_port_add_disp(&disp_cfg);
|
||
ESP_RETURN_ON_FALSE(lvgl_disp != NULL, ESP_FAIL, TAG, "添加LVGL显示设备失败");
|
||
ESP_LOGI(TAG, "LVGL旋转已应用: swap_xy=%d mirror_x=%d mirror_y=%d",
|
||
EXAMPLE_LCD_ROT_SWAP_XY, EXAMPLE_LCD_ROT_MIRROR_X, EXAMPLE_LCD_ROT_MIRROR_Y);
|
||
|
||
return ESP_OK;
|
||
}
|
||
|
||
/**
|
||
* @brief 创建并显示LVGL主界面
|
||
*
|
||
* 该函数负责创建LVGL的用户界面元素，包括图像、标签和按钮
|
||
* 并设置它们的位置和属性
|
||
*/
|
||
static void app_main_display(void)
|
||
{
|
||
lv_obj_t *scr = lv_scr_act();
|
||
|
||
lvgl_port_lock(0);
|
||
|
||
lv_obj_set_style_bg_color(scr, lv_color_white(), 0);
|
||
lv_obj_set_style_bg_opa(scr, LV_OPA_COVER, 0);
|
||
|
||
s_center_label = lv_label_create(scr);
|
||
lv_label_set_text(s_center_label, "BotanicalBuddy\nloading...");
|
||
lv_label_set_recolor(s_center_label, false);
|
||
lv_label_set_long_mode(s_center_label, LV_LABEL_LONG_WRAP);
|
||
lv_obj_set_size(s_center_label, EXAMPLE_LCD_H_RES - 6, EXAMPLE_LCD_V_RES - 6);
|
||
lv_obj_set_style_text_color(s_center_label, lv_color_black(), 0);
|
||
lv_obj_set_style_text_font(s_center_label, &lv_font_montserrat_14, 0);
|
||
lv_obj_set_style_text_align(s_center_label, LV_TEXT_ALIGN_CENTER, 0);
|
||
lv_obj_set_style_pad_all(s_center_label, 0, 0);
|
||
lv_obj_align(s_center_label, LV_ALIGN_CENTER, 0, 0);
|
||
|
||
lvgl_port_unlock();
|
||
}
|
||
|
||
/**
|
||
* @brief 启动LVGL演示程序
|
||
*
|
||
* 该函数是程序的入口点，负责初始化LCD硬件、LVGL库，并显示主界面
|
||
*/
|
||
esp_err_t lvgl_st7789_set_center_text(const char *text)
|
||
{
|
||
ESP_RETURN_ON_FALSE(text != NULL, ESP_ERR_INVALID_ARG, TAG, "text is null");
|
||
ESP_RETURN_ON_FALSE(s_center_label != NULL, ESP_ERR_INVALID_STATE, TAG, "label not ready");
|
||
|
||
lvgl_port_lock(0);
|
||
lv_label_set_text(s_center_label, text);
|
||
lv_obj_align(s_center_label, LV_ALIGN_CENTER, 0, 0);
|
||
lvgl_port_unlock();
|
||
return ESP_OK;
|
||
}
|
||
|
||
esp_err_t start_lvgl_demo(void)
|
||
{
|
||
ESP_RETURN_ON_ERROR(app_lcd_init(), TAG, "LCD初始化失败");
|
||
|
||
#if EXAMPLE_LCD_ENABLE_COLOR_TEST
|
||
ESP_RETURN_ON_ERROR(app_lcd_color_test(), TAG, "LCD测试图绘制失败");
|
||
vTaskDelay(pdMS_TO_TICKS(300));
|
||
#endif
|
||
|
||
ESP_RETURN_ON_ERROR(app_lvgl_init(), TAG, "LVGL初始化失败");
|
||
|
||
// app_main_display();
|
||
return ESP_OK;
|
||
}
|