SC-F001 way better logging and parameters. not integrated yet but.
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/**
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* @file littlefs_api.c
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* @brief Maps the HAL of esp_partition <-> littlefs
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* @author Brian Pugh
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*/
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//#define ESP_LOCAL_LOG_LEVEL ESP_LOG_INFO
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#include "esp_log.h"
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#include "esp_partition.h"
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#include "esp_vfs.h"
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#include "littlefs/lfs.h"
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#include "esp_littlefs.h"
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#include "littlefs_api.h"
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#ifdef CONFIG_LITTLEFS_WDT_RESET
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#include "esp_task_wdt.h"
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#endif
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#ifdef CONFIG_LITTLEFS_MMAP_PARTITION
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int littlefs_esp_part_read_mmap(const struct lfs_config *c, lfs_block_t block,
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lfs_off_t off, void *buffer, lfs_size_t size) {
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esp_littlefs_t * efs = c->context;
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size_t part_off = (block * c->block_size) + off;
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if (part_off > efs->partition->size || part_off + size > efs->partition->size) {
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ESP_LOGE(ESP_LITTLEFS_TAG, "attempt to read out bounds of mmaped region %08x-%08x", (unsigned int)part_off, (unsigned int)(part_off + size));
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return LFS_ERR_IO;
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}
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memcpy(buffer, efs->mmap_data + part_off, size);
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return 0;
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}
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#endif
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int littlefs_esp_part_read(const struct lfs_config *c, lfs_block_t block,
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lfs_off_t off, void *buffer, lfs_size_t size) {
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esp_littlefs_t * efs = c->context;
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size_t part_off = (block * c->block_size) + off;
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#ifdef CONFIG_LITTLEFS_WDT_RESET
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esp_task_wdt_reset();
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#endif
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esp_err_t err = esp_partition_read(efs->partition, part_off, buffer, size);
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if (err) {
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ESP_LOGE(ESP_LITTLEFS_TAG, "failed to read addr %08x, size %08x, err %d", (unsigned int) part_off, (unsigned int) size, err);
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return LFS_ERR_IO;
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}
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return 0;
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}
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int littlefs_esp_part_write(const struct lfs_config *c, lfs_block_t block,
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lfs_off_t off, const void *buffer, lfs_size_t size) {
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esp_littlefs_t * efs = c->context;
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size_t part_off = (block * c->block_size) + off;
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#ifdef CONFIG_LITTLEFS_WDT_RESET
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esp_task_wdt_reset();
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#endif
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esp_err_t err = esp_partition_write(efs->partition, part_off, buffer, size);
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if (err) {
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ESP_LOGE(ESP_LITTLEFS_TAG, "failed to write addr %08x, size %08x, err %d", (unsigned int) part_off, (unsigned int) size, err);
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return LFS_ERR_IO;
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}
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return 0;
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}
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int littlefs_esp_part_erase(const struct lfs_config *c, lfs_block_t block) {
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esp_littlefs_t * efs = c->context;
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size_t part_off = block * c->block_size;
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#ifdef CONFIG_LITTLEFS_WDT_RESET
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esp_task_wdt_reset();
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#endif
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esp_err_t err = esp_partition_erase_range(efs->partition, part_off, c->block_size);
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if (err) {
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ESP_LOGE(ESP_LITTLEFS_TAG, "failed to erase addr %08x, size %08x, err %d", (unsigned int) part_off, (unsigned int) c->block_size, err);
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return LFS_ERR_IO;
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}
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return 0;
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}
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int littlefs_esp_part_sync(const struct lfs_config *c) {
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/* Unnecessary for esp-idf */
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return 0;
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}
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