mirror of
https://github.com/jomjol/AI-on-the-edge-device.git
synced 2025-12-06 19:46:54 +03:00
652 lines
18 KiB
C
652 lines
18 KiB
C
/*
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* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "sdcard_init.h"
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#include "esp_log.h"
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#include "ffconf.h"
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#include "esp_compiler.h"
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#include "esp_vfs.h"
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#include "vfs_fat_internal.h"
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#include "diskio_impl.h"
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#include "diskio_sdmmc.h"
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#include "soc/soc_caps.h"
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#include "driver/sdmmc_defs.h"
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#if SOC_SDMMC_HOST_SUPPORTED
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#include "driver/sdmmc_host.h"
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#endif
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static sdmmc_card_t* s_cards[FF_VOLUMES] = { NULL };
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static bool s_disk_status_check_en[FF_VOLUMES] = { };
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static const char* TAG = "sdcard_init";
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#define CHECK_EXECUTE_RESULT(err, str) do { \
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if ((err) !=ESP_OK) { \
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ESP_LOGE(TAG, str" (0x%x).", err); \
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goto cleanup; \
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} \
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} while(0)
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typedef struct vfs_fat_sd_ctx_t {
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BYTE pdrv; //Drive number that is mounted
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esp_vfs_fat_mount_config_t mount_config; //Mount configuration
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FATFS *fs; //FAT structure pointer that is registered
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sdmmc_card_t *card; //Card info
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char *base_path; //Path where partition is registered
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} vfs_fat_sd_ctx_t;
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static vfs_fat_sd_ctx_t *s_ctx[FF_VOLUMES] = {};
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/**
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* This `s_saved_ctx_id` is only used by `esp_vfs_fat_sdmmc_unmount`, which is deprecated.
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* This variable together with `esp_vfs_fat_sdmmc_unmount` should be removed in next major version
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*/
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static uint32_t s_saved_ctx_id = FF_VOLUMES;
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static void call_host_deinit_mh(const sdmmc_host_t *host_config);
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static esp_err_t partition_card_mh(const esp_vfs_fat_mount_config_t *mount_config, const char *drv, sdmmc_card_t *card, BYTE pdrv);
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//Check if SD/MMC card is present
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static DSTATUS ff_sdmmc_card_available_mh(BYTE pdrv)
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{
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sdmmc_card_t* card = s_cards[pdrv];
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assert(card);
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esp_err_t err = sdmmc_get_status(card);
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if (unlikely(err != ESP_OK)) {
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ESP_LOGE(TAG, "Check status failed (0x%x)", err);
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return STA_NOINIT;
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}
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return 0;
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}
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/**
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* ff_sdmmc_status() and ff_sdmmc_initialize() return STA_NOINIT when sdmmc_get_status()
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* fails. This error value is checked throughout the FATFS code.
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* Both functions return 0 on success.
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*/
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DSTATUS ff_sdmmc_initialize_mh (BYTE pdrv)
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{
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return ff_sdmmc_card_available_mh(pdrv);
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}
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DSTATUS ff_sdmmc_status_mh(BYTE pdrv)
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{
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if (s_disk_status_check_en[pdrv]) {
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return ff_sdmmc_card_available_mh(pdrv);
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}
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return 0;
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}
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DRESULT ff_sdmmc_read_mh (BYTE pdrv, BYTE* buff, DWORD sector, UINT count)
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{
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sdmmc_card_t* card = s_cards[pdrv];
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assert(card);
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esp_err_t err = sdmmc_read_sectors(card, buff, sector, count);
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if (unlikely(err != ESP_OK)) {
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ESP_LOGE(TAG, "sdmmc_read_blocks failed (%d)", err);
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return RES_ERROR;
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}
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return RES_OK;
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}
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DRESULT ff_sdmmc_write_mh (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count)
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{
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sdmmc_card_t* card = s_cards[pdrv];
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assert(card);
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esp_err_t err = sdmmc_write_sectors(card, buff, sector, count);
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if (unlikely(err != ESP_OK)) {
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ESP_LOGE(TAG, "sdmmc_write_blocks failed (%d)", err);
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return RES_ERROR;
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}
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return RES_OK;
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}
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#if FF_USE_TRIM
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DRESULT ff_sdmmc_trim_mh (BYTE pdrv, DWORD start_sector, DWORD sector_count)
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{
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sdmmc_card_t* card = s_cards[pdrv];
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assert(card);
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sdmmc_erase_arg_t arg;
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arg = sdmmc_can_discard(card) == ESP_OK ? SDMMC_DISCARD_ARG : SDMMC_ERASE_ARG;
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esp_err_t err = sdmmc_erase_sectors(card, start_sector, sector_count, arg);
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if (unlikely(err != ESP_OK)) {
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ESP_LOGE(TAG, "sdmmc_erase_sectors failed (%d)", err);
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return RES_ERROR;
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}
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return RES_OK;
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}
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#endif //FF_USE_TRIM
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DRESULT ff_sdmmc_ioctl_mh (BYTE pdrv, BYTE cmd, void* buff)
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{
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sdmmc_card_t* card = s_cards[pdrv];
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assert(card);
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switch(cmd) {
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case CTRL_SYNC:
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return RES_OK;
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case GET_SECTOR_COUNT:
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*((DWORD*) buff) = card->csd.capacity;
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return RES_OK;
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case GET_SECTOR_SIZE:
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*((WORD*) buff) = card->csd.sector_size;
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return RES_OK;
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case GET_BLOCK_SIZE:
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return RES_ERROR;
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#if FF_USE_TRIM
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case CTRL_TRIM:
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if (sdmmc_can_trim(card) != ESP_OK) {
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return RES_PARERR;
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}
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return ff_sdmmc_trim_mh (pdrv, *((DWORD*)buff), //start_sector
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(*((DWORD*)buff + 1) - *((DWORD*)buff) + 1)); //sector_count
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#endif //FF_USE_TRIM
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}
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return RES_ERROR;
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}
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void ff_sdmmc_set_disk_status_check_mh(BYTE pdrv, bool enable)
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{
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s_disk_status_check_en[pdrv] = enable;
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}
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void ff_diskio_register_sdmmc_mh(BYTE pdrv, sdmmc_card_t* card)
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{
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static const ff_diskio_impl_t sdmmc_impl = {
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.init = &ff_sdmmc_initialize_mh,
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.status = &ff_sdmmc_status_mh,
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.read = &ff_sdmmc_read_mh,
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.write = &ff_sdmmc_write_mh,
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.ioctl = &ff_sdmmc_ioctl_mh
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};
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s_cards[pdrv] = card;
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s_disk_status_check_en[pdrv] = false;
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ff_diskio_register(pdrv, &sdmmc_impl);
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}
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BYTE ff_diskio_get_pdrv_card_mh(const sdmmc_card_t* card)
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{
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for (int i = 0; i < FF_VOLUMES; i++) {
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if (card == s_cards[i]) {
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return i;
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}
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}
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return 0xff;
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}
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static bool s_get_context_id_by_card_mh(const sdmmc_card_t *card, uint32_t *out_id)
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{
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vfs_fat_sd_ctx_t *p_ctx = NULL;
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for (int i = 0; i < FF_VOLUMES; i++) {
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p_ctx = s_ctx[i];
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if (p_ctx) {
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if (p_ctx->card == card) {
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*out_id = i;
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return true;
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}
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}
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}
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return false;
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}
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static uint32_t s_get_unused_context_id_mh(void)
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{
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for (uint32_t i = 0; i < FF_VOLUMES; i++) {
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if (!s_ctx[i]) {
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return i;
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}
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}
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return FF_VOLUMES;
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}
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static esp_err_t mount_prepare_mem_mh(const char *base_path, BYTE *out_pdrv, char **out_dup_path, sdmmc_card_t** out_card)
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{
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esp_err_t err = ESP_OK;
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char* dup_path = NULL;
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sdmmc_card_t* card = NULL;
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// connect SDMMC driver to FATFS
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BYTE pdrv = FF_DRV_NOT_USED;
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if (ff_diskio_get_drive(&pdrv) != ESP_OK || pdrv == FF_DRV_NOT_USED) {
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ESP_LOGD(TAG, "the maximum count of volumes is already mounted");
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return ESP_ERR_NO_MEM;
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}
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// not using ff_memalloc here, as allocation in internal RAM is preferred
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card = (sdmmc_card_t*)malloc(sizeof(sdmmc_card_t));
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if (card == NULL) {
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ESP_LOGD(TAG, "could not locate new sdmmc_card_t");
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err = ESP_ERR_NO_MEM;
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goto cleanup;
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}
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dup_path = strdup(base_path);
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if(!dup_path){
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ESP_LOGD(TAG, "could not copy base_path");
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err = ESP_ERR_NO_MEM;
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goto cleanup;
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}
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*out_card = card;
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*out_pdrv = pdrv;
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*out_dup_path = dup_path;
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return ESP_OK;
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cleanup:
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free(card);
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free(dup_path);
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return err;
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}
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static esp_err_t s_f_mount_mh(sdmmc_card_t *card, FATFS *fs, const char *drv, uint8_t pdrv, const esp_vfs_fat_mount_config_t *mount_config)
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{
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esp_err_t err = ESP_OK;
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FRESULT res = f_mount(fs, drv, 1);
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if (res != FR_OK) {
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err = ESP_FAIL;
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ESP_LOGW(TAG, "failed to mount card (%d)", res);
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bool need_mount_again = (res == FR_NO_FILESYSTEM || res == FR_INT_ERR) && mount_config->format_if_mount_failed;
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if (!need_mount_again) {
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return ESP_FAIL;
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}
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err = partition_card_mh(mount_config, drv, card, pdrv);
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if (err != ESP_OK) {
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return err;
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}
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ESP_LOGW(TAG, "mounting again");
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res = f_mount(fs, drv, 0);
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if (res != FR_OK) {
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err = ESP_FAIL;
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ESP_LOGD(TAG, "f_mount failed after formatting (%d)", res);
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return err;
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}
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}
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return ESP_OK;
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}
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static esp_err_t mount_to_vfs_fat_mh(const esp_vfs_fat_mount_config_t *mount_config, sdmmc_card_t *card, uint8_t pdrv, const char *base_path, FATFS **out_fs)
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{
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FATFS *fs = NULL;
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esp_err_t err;
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ff_diskio_register_sdmmc_mh(pdrv, card);
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ff_sdmmc_set_disk_status_check_mh(pdrv, mount_config->disk_status_check_enable);
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ESP_LOGD(TAG, "using pdrv=%i", pdrv);
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char drv[3] = {(char)('0' + pdrv), ':', 0};
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// connect FATFS to VFS
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err = esp_vfs_fat_register(base_path, drv, mount_config->max_files, &fs);
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*out_fs = fs;
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if (err == ESP_ERR_INVALID_STATE) {
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// it's okay, already registered with VFS
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} else if (err != ESP_OK) {
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ESP_LOGD(TAG, "esp_vfs_fat_register failed 0x(%x)", err);
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goto fail;
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}
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// Try to mount partition
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err = s_f_mount_mh(card, fs, drv, pdrv, mount_config);
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if (err != ESP_OK) {
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goto fail;
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}
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return ESP_OK;
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fail:
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if (fs) {
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f_mount(NULL, drv, 0);
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}
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esp_vfs_fat_unregister_path(base_path);
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ff_diskio_unregister(pdrv);
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return err;
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}
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static esp_err_t partition_card_mh(const esp_vfs_fat_mount_config_t *mount_config, const char *drv, sdmmc_card_t *card, BYTE pdrv)
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{
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FRESULT res = FR_OK;
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esp_err_t err;
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const size_t workbuf_size = 4096;
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void* workbuf = NULL;
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ESP_LOGW(TAG, "partitioning card");
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workbuf = ff_memalloc(workbuf_size);
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if (workbuf == NULL) {
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return ESP_ERR_NO_MEM;
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}
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LBA_t plist[] = {100, 0, 0, 0};
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res = f_fdisk(pdrv, plist, workbuf);
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if (res != FR_OK) {
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err = ESP_FAIL;
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ESP_LOGD(TAG, "f_fdisk failed (%d)", res);
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goto fail;
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}
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size_t alloc_unit_size = esp_vfs_fat_get_allocation_unit_size(card->csd.sector_size, mount_config->allocation_unit_size);
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ESP_LOGW(TAG, "formatting card, allocation unit size=%d", alloc_unit_size);
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const MKFS_PARM opt = {(BYTE)FM_ANY, 0, 0, 0, alloc_unit_size};
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res = f_mkfs(drv, &opt, workbuf, workbuf_size);
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if (res != FR_OK) {
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err = ESP_FAIL;
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ESP_LOGD(TAG, "f_mkfs failed (%d)", res);
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goto fail;
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}
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free(workbuf);
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return ESP_OK;
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fail:
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free(workbuf);
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return err;
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}
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#if SOC_SDMMC_HOST_SUPPORTED
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static esp_err_t init_sdmmc_host_mh(int slot, const void *slot_config, int *out_slot)
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{
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*out_slot = slot;
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return sdmmc_host_init_slot(slot, (const sdmmc_slot_config_t*) slot_config);
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}
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esp_err_t esp_vfs_fat_sdmmc_mount_mh(const char* base_path, const sdmmc_host_t* host_config, const void* slot_config, const esp_vfs_fat_mount_config_t* mount_config, sdmmc_card_t** out_card)
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{
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esp_err_t err;
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vfs_fat_sd_ctx_t *ctx = NULL;
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uint32_t ctx_id = FF_VOLUMES;
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FATFS *fs = NULL;
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int card_handle = -1; //uninitialized
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sdmmc_card_t* card = NULL;
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BYTE pdrv = FF_DRV_NOT_USED;
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char* dup_path = NULL;
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bool host_inited = false;
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err = mount_prepare_mem_mh(base_path, &pdrv, &dup_path, &card);
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if (err != ESP_OK) {
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ESP_LOGE(TAG, "mount_prepare failed");
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return err;
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}
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err = (*host_config->init)();
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CHECK_EXECUTE_RESULT(err, "host init failed");
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//deinit() needs to be called to revert the init
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host_inited = true;
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//If this failed (indicated by card_handle != -1), slot deinit needs to called()
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//leave card_handle as is to indicate that (though slot deinit not implemented yet.
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err = init_sdmmc_host_mh(host_config->slot, slot_config, &card_handle);
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CHECK_EXECUTE_RESULT(err, "slot init failed");
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// probe and initialize card
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err = sdmmc_card_init(host_config, card);
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CHECK_EXECUTE_RESULT(err, "sdmmc_card_init failed");
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err = mount_to_vfs_fat_mh(mount_config, card, pdrv, dup_path, &fs);
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CHECK_EXECUTE_RESULT(err, "mount_to_vfs failed");
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if (out_card != NULL) {
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*out_card = card;
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}
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//For deprecation backward compatibility
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if (s_saved_ctx_id == FF_VOLUMES) {
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s_saved_ctx_id = 0;
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}
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ctx = calloc(sizeof(vfs_fat_sd_ctx_t), 1);
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if (!ctx) {
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CHECK_EXECUTE_RESULT(ESP_ERR_NO_MEM, "no mem");
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}
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ctx->pdrv = pdrv;
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memcpy(&ctx->mount_config, mount_config, sizeof(esp_vfs_fat_mount_config_t));
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ctx->card = card;
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ctx->base_path = dup_path;
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ctx->fs = fs;
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ctx_id = s_get_unused_context_id_mh();
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assert(ctx_id != FF_VOLUMES);
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s_ctx[ctx_id] = ctx;
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return ESP_OK;
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cleanup:
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if (host_inited) {
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call_host_deinit_mh(host_config);
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}
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free(card);
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free(dup_path);
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return err;
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}
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#endif
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static esp_err_t init_sdspi_host_mh(int slot, const void *slot_config, int *out_slot)
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{
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esp_err_t err = sdspi_host_init_device((const sdspi_device_config_t*)slot_config, out_slot);
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if (err != ESP_OK) {
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ESP_LOGE(TAG,
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"Failed to attach sdspi device onto an SPI bus (rc=0x%x), please initialize the \
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bus first and check the device parameters."
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, err);
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}
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return err;
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}
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esp_err_t esp_vfs_fat_sdspi_mount_mh(const char* base_path, const sdmmc_host_t* host_config_input, const sdspi_device_config_t* slot_config, const esp_vfs_fat_mount_config_t* mount_config, sdmmc_card_t** out_card)
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{
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const sdmmc_host_t* host_config = host_config_input;
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esp_err_t err;
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vfs_fat_sd_ctx_t *ctx = NULL;
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uint32_t ctx_id = FF_VOLUMES;
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FATFS *fs = NULL;
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int card_handle = -1; //uninitialized
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bool host_inited = false;
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BYTE pdrv = FF_DRV_NOT_USED;
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sdmmc_card_t* card = NULL;
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char* dup_path = NULL;
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err = mount_prepare_mem_mh(base_path, &pdrv, &dup_path, &card);
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if (err != ESP_OK) {
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ESP_LOGE(TAG, "mount_prepare failed");
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return err;
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}
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//the init() function is usually empty, doesn't require any deinit to revert it
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err = (*host_config->init)();
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CHECK_EXECUTE_RESULT(err, "host init failed");
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err = init_sdspi_host_mh(host_config->slot, slot_config, &card_handle);
|
|
CHECK_EXECUTE_RESULT(err, "slot init failed");
|
|
//Set `host_inited` to true to indicate that host_config->deinit() needs
|
|
//to be called to revert `init_sdspi_host`
|
|
host_inited = true;
|
|
|
|
//The `slot` argument inside host_config should be replaced by the SD SPI handled returned
|
|
//above. But the input pointer is const, so create a new variable.
|
|
|
|
sdmmc_host_t new_config;
|
|
|
|
if (card_handle != host_config->slot) {
|
|
new_config = *host_config_input;
|
|
host_config = &new_config;
|
|
new_config.slot = card_handle;
|
|
}
|
|
|
|
// probe and initialize card
|
|
err = sdmmc_card_init(host_config, card);
|
|
CHECK_EXECUTE_RESULT(err, "sdmmc_card_init failed");
|
|
|
|
err = mount_to_vfs_fat_mh(mount_config, card, pdrv, dup_path, &fs);
|
|
CHECK_EXECUTE_RESULT(err, "mount_to_vfs failed");
|
|
|
|
if (out_card != NULL) {
|
|
*out_card = card;
|
|
}
|
|
|
|
//For deprecation backward compatibility
|
|
if (s_saved_ctx_id == FF_VOLUMES) {
|
|
s_saved_ctx_id = 0;
|
|
}
|
|
|
|
ctx = calloc(sizeof(vfs_fat_sd_ctx_t), 1);
|
|
|
|
if (!ctx) {
|
|
CHECK_EXECUTE_RESULT(ESP_ERR_NO_MEM, "no mem");
|
|
}
|
|
|
|
ctx->pdrv = pdrv;
|
|
memcpy(&ctx->mount_config, mount_config, sizeof(esp_vfs_fat_mount_config_t));
|
|
ctx->card = card;
|
|
ctx->base_path = dup_path;
|
|
ctx->fs = fs;
|
|
ctx_id = s_get_unused_context_id_mh();
|
|
assert(ctx_id != FF_VOLUMES);
|
|
s_ctx[ctx_id] = ctx;
|
|
|
|
return ESP_OK;
|
|
|
|
cleanup:
|
|
if (host_inited) {
|
|
call_host_deinit_mh(host_config);
|
|
}
|
|
|
|
free(card);
|
|
free(dup_path);
|
|
return err;
|
|
}
|
|
|
|
static void call_host_deinit_mh(const sdmmc_host_t *host_config)
|
|
{
|
|
if (host_config->flags & SDMMC_HOST_FLAG_DEINIT_ARG) {
|
|
host_config->deinit_p(host_config->slot);
|
|
} else {
|
|
host_config->deinit();
|
|
}
|
|
}
|
|
|
|
static esp_err_t unmount_card_core_mh(const char *base_path, sdmmc_card_t *card)
|
|
{
|
|
BYTE pdrv = ff_diskio_get_pdrv_card_mh(card);
|
|
|
|
if (pdrv == 0xff) {
|
|
return ESP_ERR_INVALID_ARG;
|
|
}
|
|
|
|
// unmount
|
|
char drv[3] = {(char)('0' + pdrv), ':', 0};
|
|
f_mount(0, drv, 0);
|
|
// release SD driver
|
|
ff_diskio_unregister(pdrv);
|
|
|
|
call_host_deinit_mh(&card->host);
|
|
free(card);
|
|
|
|
esp_err_t err = esp_vfs_fat_unregister_path(base_path);
|
|
return err;
|
|
}
|
|
|
|
esp_err_t esp_vfs_fat_sdmmc_unmount_mh(void)
|
|
{
|
|
esp_err_t err = unmount_card_core_mh(s_ctx[s_saved_ctx_id]->base_path, s_ctx[s_saved_ctx_id]->card);
|
|
free(s_ctx[s_saved_ctx_id]);
|
|
s_ctx[s_saved_ctx_id] = NULL;
|
|
s_saved_ctx_id = FF_VOLUMES;
|
|
return err;
|
|
}
|
|
|
|
esp_err_t esp_vfs_fat_sdcard_unmount_mh(const char *base_path, sdmmc_card_t *card)
|
|
{
|
|
uint32_t id = FF_VOLUMES;
|
|
bool found = s_get_context_id_by_card_mh(card, &id);
|
|
|
|
if (!found) {
|
|
return ESP_ERR_INVALID_ARG;
|
|
}
|
|
|
|
free(s_ctx[id]);
|
|
s_ctx[id] = NULL;
|
|
|
|
esp_err_t err = unmount_card_core_mh(base_path, card);
|
|
|
|
return err;
|
|
}
|
|
|
|
esp_err_t esp_vfs_fat_sdcard_format_mh(const char *base_path, sdmmc_card_t *card)
|
|
{
|
|
esp_err_t ret = ESP_OK;
|
|
|
|
if (!card) {
|
|
ESP_LOGE(TAG, "card not initialized");
|
|
return ESP_ERR_INVALID_STATE;
|
|
}
|
|
|
|
BYTE pdrv = ff_diskio_get_pdrv_card_mh(card);
|
|
|
|
if (pdrv == 0xff) {
|
|
ESP_LOGE(TAG, "card driver not registered");
|
|
return ESP_ERR_INVALID_STATE;
|
|
}
|
|
|
|
const size_t workbuf_size = 4096;
|
|
void *workbuf = ff_memalloc(workbuf_size);
|
|
|
|
if (workbuf == NULL) {
|
|
return ESP_ERR_NO_MEM;
|
|
}
|
|
|
|
//unmount
|
|
char drv[3] = {(char)('0' + pdrv), ':', 0};
|
|
f_mount(0, drv, 0);
|
|
|
|
//format
|
|
uint32_t id = FF_VOLUMES;
|
|
bool found = s_get_context_id_by_card_mh(card, &id);
|
|
assert(found);
|
|
size_t alloc_unit_size = esp_vfs_fat_get_allocation_unit_size(card->csd.sector_size, s_ctx[id]->mount_config.allocation_unit_size);
|
|
ESP_LOGI(TAG, "Formatting card, allocation unit size=%d", alloc_unit_size);
|
|
const MKFS_PARM opt = {(BYTE)FM_ANY, 0, 0, 0, alloc_unit_size};
|
|
FRESULT res = f_mkfs(drv, &opt, workbuf, workbuf_size);
|
|
free(workbuf);
|
|
|
|
if (res != FR_OK) {
|
|
ret = ESP_FAIL;
|
|
ESP_LOGD(TAG, "f_mkfs failed (%d)", res);
|
|
}
|
|
|
|
//mount back
|
|
esp_err_t err = s_f_mount_mh(card, s_ctx[id]->fs, drv, pdrv, &s_ctx[id]->mount_config);
|
|
|
|
if (err != ESP_OK) {
|
|
unmount_card_core_mh(base_path, card);
|
|
ESP_LOGE(TAG, "failed to format, resources recycled, please mount again");
|
|
}
|
|
|
|
return ret;
|
|
}
|