129 lines
3.2 KiB
C
129 lines
3.2 KiB
C
#include "FLASH_SPIFS.h"
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#include "esp_spiffs.h"
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#include "esp_log.h"
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#define TAG "FLASH_SPIFS"
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#define MOUNT_POINT "/flash"
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static bool is_mounted = false;
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esp_err_t flash_spiffs_init(void)
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{
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ESP_LOGI(TAG, "正在初始化SPIFFS文件系统...");
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esp_vfs_spiffs_conf_t conf = {
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.base_path = MOUNT_POINT,
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.partition_label = "storage",
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.max_files = 20,
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.format_if_mount_failed = true
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};
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esp_err_t ret = esp_vfs_spiffs_register(&conf);
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if (ret != ESP_OK) {
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if (ret == ESP_FAIL) {
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ESP_LOGE(TAG, "无法挂载或格式化文件系统");
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} else if (ret == ESP_ERR_NOT_FOUND) {
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ESP_LOGE(TAG, "找不到分区 'storage'");
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} else {
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ESP_LOGE(TAG, "初始化失败 (%s)", esp_err_to_name(ret));
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}
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return ret;
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}
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size_t total = 0, used = 0;
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ret = esp_spiffs_info(conf.partition_label, &total, &used);
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if (ret != ESP_OK) {
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ESP_LOGE(TAG, "获取文件系统信息失败: %s", esp_err_to_name(ret));
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esp_vfs_spiffs_unregister(conf.partition_label);
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return ret;
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}
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is_mounted = true;
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ESP_LOGI(TAG, "SPIFFS文件系统挂载成功");
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ESP_LOGI(TAG, "总空间: %u 字节", total);
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ESP_LOGI(TAG, "已用空间: %u 字节", used);
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ESP_LOGI(TAG, "可用空间: %u 字节", total - used);
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ESP_LOGI(TAG, "挂载点: %s", MOUNT_POINT);
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// 注意: 文件系统检查 (esp_spiffs_check) 在初始化阶段耗时过长，可能触发看门狗
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// 如果需要检查文件系统完整性，可以在单独的任务中调用 flash_spiffs_format() 格式化
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return ESP_OK;
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}
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bool flash_spiffs_is_mounted(void)
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{
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return is_mounted;
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}
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uint32_t flash_spiffs_get_total_size(void)
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{
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if (!is_mounted) {
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return 0;
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}
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size_t total = 0, used = 0;
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if (esp_spiffs_info("storage", &total, &used) == ESP_OK) {
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return total;
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}
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return 0;
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}
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uint32_t flash_spiffs_get_used_size(void)
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{
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if (!is_mounted) {
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return 0;
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}
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size_t total = 0, used = 0;
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if (esp_spiffs_info("storage", &total, &used) == ESP_OK) {
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return used;
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}
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return 0;
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}
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esp_err_t flash_spiffs_format(void)
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{
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if (!is_mounted) {
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ESP_LOGE(TAG, "文件系统未挂载");
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return ESP_FAIL;
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}
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ESP_LOGW(TAG, "正在格式化文件系统，所有数据将被删除...");
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// 先卸载
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esp_vfs_spiffs_unregister("storage");
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is_mounted = false;
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// 重新格式化并挂载
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esp_vfs_spiffs_conf_t conf = {
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.base_path = MOUNT_POINT,
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.partition_label = "storage",
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.max_files = 20,
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.format_if_mount_failed = true
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};
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esp_err_t ret = esp_vfs_spiffs_register(&conf);
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if (ret != ESP_OK) {
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ESP_LOGE(TAG, "格式化失败: %s", esp_err_to_name(ret));
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return ret;
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}
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is_mounted = true;
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// 重新获取信息
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size_t total = 0, used = 0;
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esp_spiffs_info("storage", &total, &used);
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ESP_LOGI(TAG, "文件系统格式化完成");
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ESP_LOGI(TAG, "总空间: %u 字节", total);
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ESP_LOGI(TAG, "已用空间: %u 字节", used);
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return ESP_OK;
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}
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const char* flash_spiffs_get_mount_point(void)
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{
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return MOUNT_POINT;
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}
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