arduino-esp32/libraries/SD_MMC/src/SD_MMC.cpp
Me No Dev 96822d783f
Update IDF to 3.2-3276a13 and esptool.py to 2.5.0 (#1878)
* TX Flow Control and Code cleanup

* Use semaphore instead of delay

TX functionality is done.

* Use single buffer and empty queue on exit

* Fix compile issues because of LwIP code relocation

* Add temporary header to fix Azure not compiling

* Fix AsyncUDP early init

* AsyncUDP Multicast fixes

* Add source mac address and rework multicast

* Allow redefinition of default pins for Serials 1 and 2

* Update IDF to 3276a13

* Update esptool.py to 2.5.0

* Fix sketches

* Fix log level in BluetoothSetial
2018-09-21 08:39:36 +02:00

147 lines
3.8 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 = {
.flags = SDMMC_HOST_FLAG_4BIT,
.slot = SDMMC_HOST_SLOT_1,
.max_freq_khz = SDMMC_FREQ_DEFAULT,
.io_voltage = 3.3f,
.init = &sdmmc_host_init,
.set_bus_width = &sdmmc_host_set_bus_width,
.get_bus_width = &sdmmc_host_get_slot_width,
.set_bus_ddr_mode = &sdmmc_host_set_bus_ddr_mode,
.set_card_clk = &sdmmc_host_set_card_clk,
.do_transaction = &sdmmc_host_do_transaction,
.deinit = &sdmmc_host_deinit,
.io_int_enable = &sdmmc_host_io_int_enable,
.io_int_wait = &sdmmc_host_io_int_wait,
.command_timeout_ms = 0
};
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,
.allocation_unit_size = 0
};
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 = ((uint64_t)(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 = ((uint64_t)(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()));