131 lines
3.2 KiB
C++
131 lines
3.2 KiB
C++
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#include "vfs_api.h"
|
|
|
|
extern "C" {
|
|
#include <sys/unistd.h>
|
|
#include <sys/stat.h>
|
|
#include <dirent.h>
|
|
#include "esp_vfs_fat.h"
|
|
#include "driver/sdmmc_host.h"
|
|
#include "driver/sdmmc_defs.h"
|
|
#include "sdmmc_cmd.h"
|
|
}
|
|
#include "ff.h"
|
|
#include "SD_MMC.h"
|
|
|
|
using namespace fs;
|
|
/*
|
|
|
|
*/
|
|
|
|
SDMMCFS::SDMMCFS(FSImplPtr impl)
|
|
: FS(impl), _card(NULL)
|
|
{}
|
|
|
|
bool SDMMCFS::begin(const char * mountpoint, bool mode1bit)
|
|
{
|
|
if(_card) {
|
|
return true;
|
|
}
|
|
//mount
|
|
sdmmc_slot_config_t slot_config = SDMMC_SLOT_CONFIG_DEFAULT();
|
|
sdmmc_host_t host = SDMMC_HOST_DEFAULT();
|
|
host.max_freq_khz = SDMMC_FREQ_HIGHSPEED;
|
|
#ifdef BOARD_HAS_1BIT_SDMMC
|
|
mode1bit = true;
|
|
#endif
|
|
if(mode1bit) {
|
|
host.flags = SDMMC_HOST_FLAG_1BIT; //use 1-line SD mode
|
|
}
|
|
|
|
esp_vfs_fat_sdmmc_mount_config_t mount_config = {
|
|
.format_if_mount_failed = false,
|
|
.max_files = 5
|
|
};
|
|
|
|
esp_err_t ret = esp_vfs_fat_sdmmc_mount(mountpoint, &host, &slot_config, &mount_config, &_card);
|
|
if (ret != ESP_OK) {
|
|
if (ret == ESP_FAIL) {
|
|
log_e("Failed to mount filesystem. If you want the card to be formatted, set format_if_mount_failed = true.");
|
|
} else if (ret == ESP_ERR_INVALID_STATE) {
|
|
_impl->mountpoint(mountpoint);
|
|
log_w("SD Already mounted");
|
|
return true;
|
|
} else {
|
|
log_e("Failed to initialize the card (%d). Make sure SD card lines have pull-up resistors in place.", ret);
|
|
}
|
|
_card = NULL;
|
|
return false;
|
|
}
|
|
_impl->mountpoint(mountpoint);
|
|
return true;
|
|
}
|
|
|
|
void SDMMCFS::end()
|
|
{
|
|
if(_card) {
|
|
esp_vfs_fat_sdmmc_unmount();
|
|
_impl->mountpoint(NULL);
|
|
_card = NULL;
|
|
}
|
|
}
|
|
|
|
sdcard_type_t SDMMCFS::cardType()
|
|
{
|
|
if(!_card) {
|
|
return CARD_NONE;
|
|
}
|
|
return (_card->ocr & SD_OCR_SDHC_CAP)?CARD_SDHC:CARD_SD;
|
|
}
|
|
|
|
uint64_t SDMMCFS::cardSize()
|
|
{
|
|
if(!_card) {
|
|
return 0;
|
|
}
|
|
return (uint64_t)_card->csd.capacity * _card->csd.sector_size;
|
|
}
|
|
|
|
uint64_t SDMMCFS::totalBytes()
|
|
{
|
|
FATFS* fsinfo;
|
|
DWORD fre_clust;
|
|
if(f_getfree("0:",&fre_clust,&fsinfo)!= 0) return 0;
|
|
uint64_t size = (fsinfo->csize)*(fsinfo->n_fatent - 2)
|
|
#if _MAX_SS != 512
|
|
*(fsinfo->ssize);
|
|
#else
|
|
*512;
|
|
#endif
|
|
return size;
|
|
}
|
|
|
|
uint64_t SDMMCFS::usedBytes()
|
|
{
|
|
FATFS* fsinfo;
|
|
DWORD fre_clust;
|
|
if(f_getfree("0:",&fre_clust,&fsinfo)!= 0) return 0;
|
|
uint64_t size = (fsinfo->csize)*((fsinfo->n_fatent - 2) - (fsinfo->free_clst))
|
|
#if _MAX_SS != 512
|
|
*(fsinfo->ssize);
|
|
#else
|
|
*512;
|
|
#endif
|
|
return size;
|
|
}
|
|
|
|
SDMMCFS SD_MMC = SDMMCFS(FSImplPtr(new VFSImpl()));
|