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还得移植lv的fs

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This commit is contained in:
kevin
2026-02-19 22:39:34 +08:00
parent a0b94d9f7c
commit de2cca57a8
11 changed files with 307 additions and 62 deletions
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code/esp32c3_espidf/main/CMakeLists.txt
+15
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@@ -7,6 +7,21 @@ idf_component_register(
INCLUDE_DIRS "."
REQUIRES
lvgl
spiffs
PRIV_REQUIRES
)
set(SPIFFS_PARTITION_NAME "storage") # 如果分区名是 "storage"
# 设置 SPIFFS 根目录路径
set(SPIFFS_IMAGE_DIR "${CMAKE_SOURCE_DIR}/spiffs_image")
# 确保目录存在
if(NOT EXISTS ${SPIFFS_IMAGE_DIR})
file(MAKE_DIRECTORY ${SPIFFS_IMAGE_DIR})
endif()
# 添加 SPIFFS 镜像生成
spiffs_create_partition_image(
${SPIFFS_PARTITION_NAME} # 分区名称
${SPIFFS_IMAGE_DIR} # 源文件目录
FLASH_IN_PROJECT # 生成 flash 目标
)
code/esp32c3_espidf/main/hello_world_main.c
+43 -60
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@@ -18,9 +18,18 @@
#include "esp_chip_info.h"
#include "esp_flash.h"
#include "esp_system.h"
#include "esp_spiffs.h"
#include "esp_log.h"
#include <string.h>
#include <sys/unistd.h>
#include <sys/stat.h>
#include <dirent.h> // 关键：包含 DIR 相关定义
#include <errno.h> // 错误码定义
#include <time.h> // 时间相关函数
#include "spiffs.h"
#include "spi.h"
#include "lcd.h"
@@ -33,18 +42,6 @@
static const char *TAG = "SYS";
// TimerHandle_t periodic_timer = NULL;
// 定时器回调函数（在定时器服务任务中执行）
// void periodic_timer_callback(TimerHandle_t xTimer)
// {
// // printf("每秒执行一次的函数\n");
// // 在这里执行你的周期性任务
// // 注意：此回调函数应尽快返回，避免阻塞定时器服务任务
// lcd_one_second_task();
// }
// 自定义 tick 获取函数
static uint32_t custom_tick_get(void)
{
@@ -52,74 +49,60 @@ static uint32_t custom_tick_get(void)
return (uint32_t)(esp_timer_get_time() / 1000);
}
/**
* Basic example to create a "Hello world" label
*/
// static void btn_event_cb(lv_event_t * e)
// {
// lv_event_code_t code = lv_event_get_code(e);
// lv_obj_t * btn = lv_event_get_target(e);
// if(code == LV_EVENT_CLICKED) {
// static uint8_t cnt = 0;
// cnt++;
// /*Get the first child of the button which is the label and change its text*/
// lv_obj_t * label = lv_obj_get_child(btn, 0);
// lv_label_set_text_fmt(label, "Button: %d", cnt);
// }
// }
// /**
// * Create a button with a label and react on click event.
// */
// void lv_example_get_started_2(void)
// {
// lv_obj_t * btn = lv_button_create(lv_screen_active()); /*Add a button the current screen*/
// lv_obj_set_pos(btn, 10, 10); /*Set its position*/
// lv_obj_set_size(btn, 120, 50); /*Set its size*/
// lv_obj_add_event_cb(btn, btn_event_cb, LV_EVENT_ALL, NULL); /*Assign a callback to the button*/
// lv_obj_t * label = lv_label_create(btn); /*Add a label to the button*/
// lv_label_set_text(label, "Button"); /*Set the labels text*/
// lv_obj_center(label);
// }
void app_main(void)
{
ESP_LOGI(TAG,"Hello world!");
ESP_LOGI(TAG, "Hello world!");
/* Print chip information */
esp_chip_info_t chip_info;
uint32_t flash_size;
esp_chip_info(&chip_info);
ESP_LOGI(TAG,"This is %s chip with %d CPU core(s), %s%s%s%s, ",
CONFIG_IDF_TARGET,
chip_info.cores,
(chip_info.features & CHIP_FEATURE_WIFI_BGN) ? "WiFi/" : "",
(chip_info.features & CHIP_FEATURE_BT) ? "BT" : "",
(chip_info.features & CHIP_FEATURE_BLE) ? "BLE" : "",
(chip_info.features & CHIP_FEATURE_IEEE802154) ? ", 802.15.4 (Zigbee/Thread)" : "");
ESP_LOGI(TAG, "This is %s chip with %d CPU core(s), %s%s%s%s, ",
CONFIG_IDF_TARGET,
chip_info.cores,
(chip_info.features & CHIP_FEATURE_WIFI_BGN) ? "WiFi/" : "",
(chip_info.features & CHIP_FEATURE_BT) ? "BT" : "",
(chip_info.features & CHIP_FEATURE_BLE) ? "BLE" : "",
(chip_info.features & CHIP_FEATURE_IEEE802154) ? ", 802.15.4 (Zigbee/Thread)" : "");
unsigned major_rev = chip_info.revision / 100;
unsigned minor_rev = chip_info.revision % 100;
ESP_LOGI(TAG,"silicon revision v%d.%d, ", major_rev, minor_rev);
ESP_LOGI(TAG, "silicon revision v%d.%d, ", major_rev, minor_rev);
if (esp_flash_get_size(NULL, &flash_size) != ESP_OK)
{
ESP_LOGI(TAG,"Get flash size failed");
ESP_LOGI(TAG, "Get flash size failed");
return;
}
ESP_LOGI(TAG,"%" PRIu32 "MB %s flash", flash_size / (uint32_t)(1024 * 1024),
(chip_info.features & CHIP_FEATURE_EMB_FLASH) ? "embedded" : "external");
ESP_LOGI(TAG, "%" PRIu32 "MB %s flash", flash_size / (uint32_t)(1024 * 1024),
(chip_info.features & CHIP_FEATURE_EMB_FLASH) ? "embedded" : "external");
ESP_LOGI(TAG,"Minimum free heap size: %" PRIu32 " bytes", esp_get_minimum_free_heap_size());
ESP_LOGI(TAG, "Minimum free heap size: %" PRIu32 " bytes", esp_get_minimum_free_heap_size());
ESP_LOGI(TAG,"sizeof(int) ==%d", sizeof(int));
ESP_LOGI(TAG,"LVGL version: %s", lv_version_info());
ESP_LOGI(TAG,"LVGL memory size: %u bytes", LV_MEM_SIZE);
ESP_LOGI(TAG,"LVGL color depth: %d bits", LV_COLOR_DEPTH);
ESP_LOGI(TAG, "sizeof(int) ==%d", sizeof(int));
ESP_LOGI(TAG, "LVGL version: %s", lv_version_info());
ESP_LOGI(TAG, "LVGL memory size: %u bytes", LV_MEM_SIZE);
ESP_LOGI(TAG, "LVGL color depth: %d bits", LV_COLOR_DEPTH);
// 1. 初始化 SPIFFS
const char *spiffs_base_path = "/spiffs";
esp_err_t ret = spiffs_init(spiffs_base_path);
if (ret != ESP_OK)
{
ESP_LOGE(TAG, "SPIFFS 初始化失败");
}
else
{
ESP_LOGI(TAG, "SPIFFS 初始化OK");
list_spiffs_files_safe(spiffs_base_path);
}
spi_init();
lcd_init();
@@ -129,7 +112,7 @@ void app_main(void)
lv_port_disp_init();
lv_example_get_started_1();
while (1)
{
code/esp32c3_espidf/main/lv_apps/helloworld/lv_helloworld.c
+13 -1
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@@ -1,4 +1,7 @@
#include "lv_helloworld.h"
#include "lv_load_font_from_spiffs.h"
static const char *TAG = "DEMO1";
LV_FONT_DECLARE(my_cn_font);
@@ -7,12 +10,21 @@ LV_FONT_DECLARE(my_cn_font);
*/
void lv_example_get_started_1(void)
{
// 1. 加载中文字体
lv_font_t* cn_font_16 = load_chinese_font_from_spiffs("/spiffs/cn_font.bin");
if (cn_font_16 == NULL) {
ESP_LOGE(TAG, "无法加载中文字体，使用默认字体");
cn_font_16 = &my_cn_font; // 回退到默认字体
}
/*Change the active screen's background color*/
lv_obj_set_style_bg_color(lv_screen_active(), lv_color_hex(0x003a57), LV_PART_MAIN);
static lv_style_t style_label;
lv_style_init(&style_label);
lv_style_set_text_font(&style_label, &my_cn_font); // 关键：设置字体
//lv_style_set_text_font(&style_label, &cn_font_16); // 关键：设置字体
/*Create a white label, set its text and align it to the center*/
lv_obj_t *label = lv_label_create(lv_screen_active());
code/esp32c3_espidf/main/lv_apps/helloworld/lv_helloworld.h
+1
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@@ -2,6 +2,7 @@
#define LV_HELLOWORLD_H
#include "lvgl.h"
#include "esp_log.h"
void lv_example_get_started_1(void);
code/esp32c3_espidf/main/lv_load_font_from_spiffs.c
+44
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@@ -0,0 +1,44 @@
#include "lv_load_font_from_spiffs.h"
static const char *TAG = "LV_LOAD_FONT";
/**
* @brief 从SPIFFS加载中文字体
* @param font_path 字体文件路径，如"/spiffs/cn_font.bin"
* @return lv_font_t* 成功返回字体指针，失败返回NULL
*/
lv_font_t* load_chinese_font_from_spiffs(const char* font_path)
{
ESP_LOGI(TAG, "尝试加载字体: %s", font_path);
// 检查文件是否存在
FILE* f = fopen(font_path, "rb");
if (f == NULL) {
ESP_LOGE(TAG, "字体文件不存在: %s", font_path);
return NULL;
}
fclose(f);
// LVGL V8/V9通用方法：使用lv_binfont_create
lv_font_t* font = lv_binfont_create(font_path);
if (font == NULL) {
ESP_LOGE(TAG, "字体加载失败: %s", font_path);
return NULL;
}
ESP_LOGI(TAG, "字体加载成功: %s", font_path);
return font;
}
/**
* @brief 释放字体资源
* @param font 要释放的字体指针
*/
void free_chinese_font(lv_font_t* font)
{
if (font != NULL) {
lv_binfont_destroy(font);
ESP_LOGI(TAG, "字体资源已释放");
}
}
code/esp32c3_espidf/main/lv_load_font_from_spiffs.h
+30
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@@ -0,0 +1,30 @@
#ifndef LV_LOAD_FONT_FROM_SPIFFS_H
#define LV_LOAD_FONT_FROM_SPIFFS_H
/*********************
* INCLUDES
*********************/
#if defined(LV_LVGL_H_INCLUDE_SIMPLE)
#include "lvgl.h"
#else
#include "lvgl/lvgl.h"
#endif
#include <stdio.h>
#include <inttypes.h>
#include "sdkconfig.h"
#include <string.h>
#include <sys/unistd.h>
#include <sys/stat.h>
#include <dirent.h> // 关键：包含 DIR 相关定义
#include <errno.h> // 错误码定义
#include <time.h> // 时间相关函数
#include "esp_system.h"
#include "esp_spiffs.h"
#include "esp_log.h"
lv_font_t* load_chinese_font_from_spiffs(const char* font_path);
void free_chinese_font(lv_font_t* font);
#endif
code/esp32c3_espidf/main/spiffs.c
+138
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@@ -0,0 +1,138 @@
#include "spiffs.h"
static const char *TAG = "SPIFFS";
/**
* @brief 初始化并挂载 SPIFFS 文件系统
* @param base_path 挂载点路径（如 "/spiffs"）
* @return esp_err_t ESP_OK 成功，其他失败
*/
esp_err_t spiffs_init(const char *base_path)
{
ESP_LOGI(TAG, "正在初始化 SPIFFS...");
esp_vfs_spiffs_conf_t conf = {
.base_path = base_path,
.partition_label = NULL, // 使用第一个找到的 SPIFFS 分区
.max_files = 10, // 最大打开文件数
.format_if_mount_failed = true // 如果挂载失败则格式化
};
// 挂载 SPIFFS 分区
esp_err_t ret = esp_vfs_spiffs_register(&conf);
if (ret != ESP_OK)
{
if (ret == ESP_FAIL)
{
ESP_LOGE(TAG, "挂载 SPIFFS 失败");
}
else if (ret == ESP_ERR_NOT_FOUND)
{
ESP_LOGE(TAG, "未找到 SPIFFS 分区");
}
else
{
ESP_LOGE(TAG, "SPIFFS 初始化失败 (%s)", esp_err_to_name(ret));
}
return ret;
}
ESP_LOGI(TAG, "SPIFFS 挂载成功，挂载点: %s", base_path);
// 获取分区信息
size_t total = 0, used = 0;
ret = esp_spiffs_info(NULL, &total, &used);
if (ret != ESP_OK)
{
ESP_LOGE(TAG, "获取 SPIFFS 分区信息失败 (%s)", esp_err_to_name(ret));
}
else
{
ESP_LOGI(TAG, "分区大小: 总共 %d KB, 已用 %d KB, 可用 %d KB",
total / 1024, used / 1024, (total - used) / 1024);
}
return ESP_OK;
}
/**
* @brief 列出 SPIFFS 文件（安全版本）
*/
void list_spiffs_files_safe(const char *base_path)
{
ESP_LOGI(TAG, "Listing files in %s:", base_path);
DIR *dir = opendir(base_path);
if (dir == NULL) {
ESP_LOGE(TAG, "Failed to open directory %s: %s",
base_path, strerror(errno));
return;
}
struct dirent *entry;
int count = 0;
while ((entry = readdir(dir)) != NULL) {
// 跳过 "." 和 ".."
if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0) {
continue;
}
// 方法1：使用固定大小缓冲区（512字节足够）
char full_path[512];
int ret = snprintf(full_path, sizeof(full_path), "%s/%s", base_path, entry->d_name);
if (ret < 0) {
ESP_LOGW(TAG, "Error formatting path for: %s", entry->d_name);
continue;
}
if ((size_t)ret >= sizeof(full_path)) {
ESP_LOGW(TAG, "Path truncated for: %s", entry->d_name);
// 继续处理，但路径可能不完整
}
// 方法2：使用动态分配（如果文件名可能很长）
// size_t path_len = strlen(base_path) + 1 + strlen(entry->d_name) + 1;
// char *full_path = malloc(path_len);
// if (full_path) {
// snprintf(full_path, path_len, "%s/%s", base_path, entry->d_name);
// // ... 使用 full_path
// free(full_path);
// }
struct stat entry_stat;
if (stat(full_path, &entry_stat) == -1) {
ESP_LOGW(TAG, " %s - cannot stat: %s",
entry->d_name, strerror(errno));
continue;
}
if (S_ISDIR(entry_stat.st_mode)) {
ESP_LOGI(TAG, " [DIR] %-32s", entry->d_name);
} else {
const char *unit = "B";
double size = (double)entry_stat.st_size;
if (size >= 1024.0 * 1024.0) {
size /= 1024.0 * 1024.0;
unit = "MB";
} else if (size >= 1024.0) {
size /= 1024.0;
unit = "KB";
}
ESP_LOGI(TAG, " [FILE] %-32s %8.2f %s",
entry->d_name, size, unit);
}
count++;
}
closedir(dir);
if (count == 0) {
ESP_LOGI(TAG, " No files found");
} else {
ESP_LOGI(TAG, "Total: %d items", count);
}
}
code/esp32c3_espidf/main/spiffs.h
+21
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@@ -0,0 +1,21 @@
#ifndef SPIFFS_H
#define SPIFFS_H
#include <stdio.h>
#include <inttypes.h>
#include "sdkconfig.h"
#include <string.h>
#include <sys/unistd.h>
#include <sys/stat.h>
#include <dirent.h> // 关键：包含 DIR 相关定义
#include <errno.h> // 错误码定义
#include <time.h> // 时间相关函数
#include "esp_system.h"
#include "esp_spiffs.h"
#include "esp_log.h"
esp_err_t spiffs_init(const char *base_path);
void list_spiffs_files_safe(const char *base_path);
#endif
code/esp32c3_espidf/partitions.csv
+1 -1
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@@ -3,4 +3,4 @@
nvs, data, nvs, 0x9000, 0x6000,
phy_init, data, phy, 0xf000, 0x1000,
factory, app, factory, 0x10000, 0x1D0000,
storage, data, spiffs, , 0xF0000,
storage, data, spiffs, , 0x200000,
1 # Name, Type, SubType, Offset, Size, Flags
3 nvs, data, nvs, 0x9000, 0x6000,
4 phy_init, data, phy, 0xf000, 0x1000,
5 factory, app, factory, 0x10000, 0x1D0000,
6 storage, data, spiffs, , 0xF0000, storage, data, spiffs, , 0x200000,
code/font/cn_font.bin
BIN
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Binary file not shown.
code/font/make_font_bin.cmd
+1
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@@ -0,0 +1 @@
lv_font_conv --font HarmonyOS_Sans_SC_Regular.ttf --size 16 --bpp 1 --range 0x20-0x7F --range 0x3000-0x303F --range 0xFF00-0xFFEF --range 0x4E00-0x9FFF --format bin --output cn_font.bin