45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/*
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* MTG RFID Companion - LittleFS storage manager
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*
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* Phase 2: Mounts LittleFS at /spiffs on the "storage" partition, seeds the
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* default database files on first boot, and exposes file helpers used by the
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* RFID/cache/web subsystems.
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*/
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#pragma once
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#include "esp_err.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define STORAGE_BASE_PATH "/spiffs"
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#define STORAGE_MAPPINGS STORAGE_BASE_PATH "/mappings.json"
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#define STORAGE_CARDS_DIR STORAGE_BASE_PATH "/cards"
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/**
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* @brief Mount LittleFS and seed default files.
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* @return ESP_OK on success.
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*/
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esp_err_t storage_manager_init(void);
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/**
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* @brief Check whether a file exists on the filesystem.
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*/
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bool storage_file_exists(const char *path);
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/**
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* @brief Read an entire file into a heap allocated buffer (caller frees).
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* @param[out] out_buf NULL terminated buffer; NULL and out_len=0 if missing.
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*/
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esp_err_t storage_read_text(const char *path, char **out_buf, size_t *out_len);
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/**
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* @brief Write text (plus terminating newline) to a file atomically.
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*/
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esp_err_t storage_write_text(const char *path, const char *text);
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#ifdef __cplusplus
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}
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#endif |